From a5afc3d227ba1825d080dfee54c20c6f54bfba9e Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Tue, 5 Dec 2017 17:42:54 +0100
Subject: [PATCH 01/10] Provide SoftwareSerial without iram usage

---
 lib/EspSoftwareSerialNoIram-3.3.1/README.md   |  11 +
 .../SoftwareSerialNoIram.cpp                  | 248 ++++++++++++++++++
 .../SoftwareSerialNoIram.h                    |  88 +++++++
 .../examples/swsertest/swsertest.ino          |  27 ++
 .../keywords.txt                              |  31 +++
 .../library.json                              |  15 ++
 .../library.properties                        |   9 +
 7 files changed, 429 insertions(+)
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/README.md
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/library.json
 create mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/library.properties

diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/README.md b/lib/EspSoftwareSerialNoIram-3.3.1/README.md
new file mode 100644
index 000000000..43c4ef4a6
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/README.md
@@ -0,0 +1,11 @@
+# EspSoftwareSerial
+
+Implementation of the Arduino software serial library for the ESP8266
+
+Same functionality as the corresponding AVR library but several instances can be active at the same time.
+Speed up to 115200 baud is supported. The constructor also has an optional input buffer size.
+
+Please note that due to the fact that the ESP always have other activities ongoing, there will be some inexactness in interrupt
+timings. This may lead to bit errors when having heavy data traffic in high baud rates.
+
+
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
new file mode 100644
index 000000000..7bcecc713
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
@@ -0,0 +1,248 @@
+/*
+
+SoftwareSerialNoIram.cpp - Implementation of the Arduino software serial for ESP8266.
+Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#define TASMOTA_NO_ICACHE_RAM       // To solve compile errors due to lack off iram
+
+#include <Arduino.h>
+
+// The Arduino standard GPIO routines are not enough,
+// must use some from the Espressif SDK as well
+extern "C" {
+#include "gpio.h"
+}
+
+#include <SoftwareSerialNoIram.h>
+
+#define MAX_PIN 15
+
+// As the Arduino attachInterrupt has no parameter, lists of objects
+// and callbacks corresponding to each possible GPIO pins have to be defined
+SoftwareSerialNoIram *ObjList[MAX_PIN+1];
+
+#ifdef TASMOTA_NO_ICACHE_RAM
+void sws_isr_0() { ObjList[0]->rxRead(); };
+void sws_isr_1() { ObjList[1]->rxRead(); };
+void sws_isr_2() { ObjList[2]->rxRead(); };
+void sws_isr_3() { ObjList[3]->rxRead(); };
+void sws_isr_4() { ObjList[4]->rxRead(); };
+void sws_isr_5() { ObjList[5]->rxRead(); };
+// Pin 6 to 11 can not be used
+void sws_isr_12() { ObjList[12]->rxRead(); };
+void sws_isr_13() { ObjList[13]->rxRead(); };
+void sws_isr_14() { ObjList[14]->rxRead(); };
+void sws_isr_15() { ObjList[15]->rxRead(); };
+#else
+void ICACHE_RAM_ATTR sws_isr_0() { ObjList[0]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_1() { ObjList[1]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_2() { ObjList[2]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_3() { ObjList[3]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_4() { ObjList[4]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_5() { ObjList[5]->rxRead(); };
+// Pin 6 to 11 can not be used
+void ICACHE_RAM_ATTR sws_isr_12() { ObjList[12]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_13() { ObjList[13]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_14() { ObjList[14]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_15() { ObjList[15]->rxRead(); };
+#endif
+
+static void (*ISRList[MAX_PIN+1])() = {
+      sws_isr_0,
+      sws_isr_1,
+      sws_isr_2,
+      sws_isr_3,
+      sws_isr_4,
+      sws_isr_5,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      sws_isr_12,
+      sws_isr_13,
+      sws_isr_14,
+      sws_isr_15
+};
+
+SoftwareSerialNoIram::SoftwareSerialNoIram(int receivePin, int transmitPin, bool inverse_logic, unsigned int buffSize) {
+   m_rxValid = m_txValid = m_txEnableValid = false;
+   m_buffer = NULL;
+   m_invert = inverse_logic;
+   m_overflow = false;
+   m_rxEnabled = false;
+   if (isValidGPIOpin(receivePin)) {
+      m_rxPin = receivePin;
+      m_buffSize = buffSize;
+      m_buffer = (uint8_t*)malloc(m_buffSize);
+      if (m_buffer != NULL) {
+         m_rxValid = true;
+         m_inPos = m_outPos = 0;
+         pinMode(m_rxPin, INPUT);
+         ObjList[m_rxPin] = this;
+         enableRx(true);
+      }
+   }
+   if (isValidGPIOpin(transmitPin) || transmitPin == 16) {
+      m_txValid = true;
+      m_txPin = transmitPin;
+      pinMode(m_txPin, OUTPUT);
+      digitalWrite(m_txPin, !m_invert);
+   }
+   // Default speed
+   begin(9600);
+}
+
+SoftwareSerialNoIram::~SoftwareSerialNoIram() {
+   enableRx(false);
+   if (m_rxValid)
+      ObjList[m_rxPin] = NULL;
+   if (m_buffer)
+      free(m_buffer);
+}
+
+bool SoftwareSerialNoIram::isValidGPIOpin(int pin) {
+   return (pin >= 0 && pin <= 5) || (pin >= 12 && pin <= MAX_PIN);
+}
+
+void SoftwareSerialNoIram::begin(long speed) {
+   // Use getCycleCount() loop to get as exact timing as possible
+   m_bitTime = ESP.getCpuFreqMHz()*1000000/speed;
+   m_highSpeed = speed > 9600;
+
+   if (!m_rxEnabled)
+     enableRx(true);
+}
+
+long SoftwareSerialNoIram::baudRate() {
+   return ESP.getCpuFreqMHz()*1000000/m_bitTime;
+}
+
+void SoftwareSerialNoIram::setTransmitEnablePin(int transmitEnablePin) {
+  if (isValidGPIOpin(transmitEnablePin)) {
+     m_txEnableValid = true;
+     m_txEnablePin = transmitEnablePin;
+     pinMode(m_txEnablePin, OUTPUT);
+     digitalWrite(m_txEnablePin, LOW);
+  } else {
+     m_txEnableValid = false;
+  }
+}
+
+void SoftwareSerialNoIram::enableRx(bool on) {
+   if (m_rxValid) {
+      if (on)
+         attachInterrupt(m_rxPin, ISRList[m_rxPin], m_invert ? RISING : FALLING);
+      else
+         detachInterrupt(m_rxPin);
+      m_rxEnabled = on;
+   }
+}
+
+int SoftwareSerialNoIram::read() {
+   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
+   uint8_t ch = m_buffer[m_outPos];
+   m_outPos = (m_outPos+1) % m_buffSize;
+   return ch;
+}
+
+int SoftwareSerialNoIram::available() {
+   if (!m_rxValid) return 0;
+   int avail = m_inPos - m_outPos;
+   if (avail < 0) avail += m_buffSize;
+   return avail;
+}
+
+#define WAIT { while (ESP.getCycleCount()-start < wait) if (!m_highSpeed) optimistic_yield(1); wait += m_bitTime; }
+
+size_t SoftwareSerialNoIram::write(uint8_t b) {
+   if (!m_txValid) return 0;
+
+   if (m_invert) b = ~b;
+   if (m_highSpeed)
+     // Disable interrupts in order to get a clean transmit
+     cli();
+   if (m_txEnableValid) digitalWrite(m_txEnablePin, HIGH);
+   unsigned long wait = m_bitTime;
+   digitalWrite(m_txPin, HIGH);
+   unsigned long start = ESP.getCycleCount();
+    // Start bit;
+   digitalWrite(m_txPin, LOW);
+   WAIT;
+   for (int i = 0; i < 8; i++) {
+     digitalWrite(m_txPin, (b & 1) ? HIGH : LOW);
+     WAIT;
+     b >>= 1;
+   }
+   // Stop bit
+   digitalWrite(m_txPin, HIGH);
+   WAIT;
+   if (m_txEnableValid) digitalWrite(m_txEnablePin, LOW);
+   if (m_highSpeed)
+    sei();
+   return 1;
+}
+
+void SoftwareSerialNoIram::flush() {
+   m_inPos = m_outPos = 0;
+}
+
+bool SoftwareSerialNoIram::overflow() {
+   bool res = m_overflow;
+   m_overflow = false;
+   return res;
+}
+
+int SoftwareSerialNoIram::peek() {
+   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
+   return m_buffer[m_outPos];
+}
+
+#ifdef TASMOTA_NO_ICACHE_RAM
+void SoftwareSerialNoIram::rxRead() {
+#else
+void ICACHE_RAM_ATTR SoftwareSerialNoIram::rxRead() {
+#endif
+   // Advance the starting point for the samples but compensate for the
+   // initial delay which occurs before the interrupt is delivered
+   unsigned long wait = m_bitTime + m_bitTime/3 - 500;
+   unsigned long start = ESP.getCycleCount();
+   uint8_t rec = 0;
+   for (int i = 0; i < 8; i++) {
+     WAIT;
+     rec >>= 1;
+     if (digitalRead(m_rxPin))
+       rec |= 0x80;
+   }
+   if (m_invert) rec = ~rec;
+   // Stop bit
+   WAIT;
+   // Store the received value in the buffer unless we have an overflow
+   int next = (m_inPos+1) % m_buffSize;
+   if (next != m_outPos) {
+      m_buffer[m_inPos] = rec;
+      m_inPos = next;
+   } else {
+      m_overflow = true;
+   }
+   // Must clear this bit in the interrupt register,
+   // it gets set even when interrupts are disabled
+   GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << m_rxPin);
+}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
new file mode 100644
index 000000000..4cec3b3b9
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
@@ -0,0 +1,88 @@
+/*
+SoftwareSerialNoIram.h
+
+SoftwareSerialNoIram.cpp - Implementation of the Arduino software serial for ESP8266 without iram usage.
+Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef SoftwareSerialNoIram_h
+#define SoftwareSerialNoIram_h
+
+#include <inttypes.h>
+#include <Stream.h>
+
+
+// This class is compatible with the corresponding AVR one,
+// the constructor however has an optional rx buffer size.
+// Speed up to 115200 can be used.
+
+
+class SoftwareSerialNoIram : public Stream
+{
+public:
+   SoftwareSerialNoIram(int receivePin, int transmitPin, bool inverse_logic = false, unsigned int buffSize = 64);
+   ~SoftwareSerialNoIram();
+
+   void begin(long speed);
+   long baudRate();
+   void setTransmitEnablePin(int transmitEnablePin);
+
+   bool overflow();
+   int peek();
+
+   virtual size_t write(uint8_t byte);
+   virtual int read();
+   virtual int available();
+   virtual void flush();
+   operator bool() {return m_rxValid || m_txValid;}
+
+   // Disable or enable interrupts on the rx pin
+   void enableRx(bool on);
+
+   void rxRead();
+
+   // AVR compatibility methods
+   bool listen() { enableRx(true); return true; }
+   void end() { stopListening(); }
+   bool isListening() { return m_rxEnabled; }
+   bool stopListening() { enableRx(false); return true; }
+
+   using Print::write;
+
+private:
+   bool isValidGPIOpin(int pin);
+
+   // Member variables
+   int m_rxPin, m_txPin, m_txEnablePin;
+   bool m_rxValid, m_rxEnabled;
+   bool m_txValid, m_txEnableValid;
+   bool m_invert;
+   bool m_overflow;
+   unsigned long m_bitTime;
+   bool m_highSpeed;
+   unsigned int m_inPos, m_outPos;
+   int m_buffSize;
+   uint8_t *m_buffer;
+
+};
+
+// If only one tx or rx wanted then use this as parameter for the unused pin
+#define SW_SERIAL_UNUSED_PIN -1
+
+
+#endif
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino b/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
new file mode 100644
index 000000000..b3ae69711
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
@@ -0,0 +1,27 @@
+
+#include <SoftwareSerial.h>
+
+SoftwareSerial swSer(14, 12, false, 256);
+
+void setup() {
+  Serial.begin(115200);
+  swSer.begin(115200);
+
+  Serial.println("\nSoftware serial test started");
+
+  for (char ch = ' '; ch <= 'z'; ch++) {
+    swSer.write(ch);
+  }
+  swSer.println("");
+
+}
+
+void loop() {
+  while (swSer.available() > 0) {
+    Serial.write(swSer.read());
+  }
+  while (Serial.available() > 0) {
+    swSer.write(Serial.read());
+  }
+
+}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt b/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
new file mode 100644
index 000000000..9f595c0e2
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
@@ -0,0 +1,31 @@
+#######################################
+# Syntax Coloring Map for SoftwareSerialNoIram
+# (esp8266)
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+SoftwareSerialNoIram	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+begin	KEYWORD2
+read	KEYWORD2
+write	KEYWORD2
+available	KEYWORD2
+flush	KEYWORD2
+overflow	KEYWORD2
+peek	KEYWORD2
+listen	KEYWORD2
+end	KEYWORD2
+isListening	KEYWORD2
+stopListening	KEYWORD2
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/library.json b/lib/EspSoftwareSerialNoIram-3.3.1/library.json
new file mode 100644
index 000000000..861d394a0
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/library.json
@@ -0,0 +1,15 @@
+{
+    "name": "EspSoftwareSerialNoIram",
+    "version": "3.3.1",
+    "keywords": [
+      "serial", "io", "softwareserialnoiram"
+    ],
+    "description": "Implementation of the Arduino software serial for ESP8266 without iram usage.",
+    "repository":
+    {
+        "type": "git",
+        "url": "https://github.com/plerup/espsoftwareserial"
+    },
+    "frameworks": "arduino",
+    "platforms": "espressif8266"
+}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/library.properties b/lib/EspSoftwareSerialNoIram-3.3.1/library.properties
new file mode 100644
index 000000000..b934964c1
--- /dev/null
+++ b/lib/EspSoftwareSerialNoIram-3.3.1/library.properties
@@ -0,0 +1,9 @@
+name=SoftwareSerialNoIram
+version=1.0
+author=Peter Lerup
+maintainer=Peter Lerup <peter@lerup.com>
+sentence=Implementation of the Arduino software serial for ESP8266 without iram usage.
+paragraph=
+category=Signal Input/Output
+url=
+architectures=esp8266

From 53c5728349f464c6f328f1ff92b4c88b73714be9 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Tue, 5 Dec 2017 17:46:26 +0100
Subject: [PATCH 02/10] Add experimental SoftwareSerial MH-Z19(B) support

Add experimental support for sensor MH-Z19(B) using SoftwareSerial to be
enabled with define USE_MHZ19 in user_config.h (#561, #1248)
---
 sonoff/_releasenotes.ino          |   1 +
 sonoff/user_config.h              |  19 +-
 sonoff/xsns_15_mhz_softserial.ino | 276 ++++++++++++++++++++++++++++++
 3 files changed, 287 insertions(+), 9 deletions(-)
 create mode 100644 sonoff/xsns_15_mhz_softserial.ino

diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 76899d43a..d8da377d7 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,6 +1,7 @@
 /* 5.10.0a
  * Add (experimental) support for sensor SHT3x
  * Add (experimental) support for sensor MH-Z19(B) to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
+ * Add (experimental) support for sensor MH-Z19(B) using SoftwareSerial to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
  * Add support for iTead SI7021 temperature and humidity sensor by consolidating DHT22 into AM2301 and using former DHT22 as SI7021 (#735)
  * Fix BME280 calculation (#1051)
  * Change ADS1115 default voltage range from +/-2V to +/-6V (#1289)
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 33f4345f7..4ea4bb232 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -164,31 +164,32 @@
 #define USE_ADC_VCC                              // Display Vcc in Power status. Disable for use as Analog input on selected devices
 
                                                  // WARNING: Select none for default one DS18B20 sensor or enable one of the following two options for multiple sensors
-//#define USE_DS18x20                              // Optional for more than one DS18x20 sensors with id sort, single scan and read retry (+1.3k code)
-//#define USE_DS18x20_LEGACY                       // Optional for more than one DS18x20 sensors with dynamic scan using library OneWire (+1.5k code)
+//#define USE_DS18x20                              // Optional for more than one DS18x20 sensors with id sort, single scan and read retry (+1k3 code)
+//#define USE_DS18x20_LEGACY                       // Optional for more than one DS18x20 sensors with dynamic scan using library OneWire (+1k5 code)
 
-#define USE_I2C                                  // I2C using library wire (+10k code, 0.2k mem) - Disable by //
+#define USE_I2C                                  // I2C using library wire (+10k code, 0k2 mem) - Disable by //
   #define USE_SHT                                // Add I2C emulating code for SHT1X sensor
 //  #define USE_SHT3X                              // Add I2C code for SHT3x sensor
   #define USE_HTU                                // Add I2C code for HTU21/SI7013/SI7020/SI7021 sensor
   #define USE_BMP                                // Add I2C code for BMP/BME280 sensor
   #define USE_BH1750                             // Add I2C code for BH1750 sensor
-//  #define USE_VEML6070                           // Add I2C code for VEML6070 sensor (+0.5k code)
-//  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (library not needed) (+0.7k code)
+//  #define USE_VEML6070                           // Add I2C code for VEML6070 sensor (+0k5 code)
+//  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (library not needed) (+0k7 code)
 //  #define USE_ADS1115_I2CDEV                     // Add I2C code for ADS1115 16 bit A/D converter using library i2cdevlib-Core and i2cdevlib-ADS1115 (+2k code)
 //  #define USE_INA219                             // Add I2C code for INA219 Low voltage and current sensor (+1k code)
 
-#define USE_IR_REMOTE                            // Send IR remote commands using library IRremoteESP8266 and ArduinoJson (+4k code, 0.3k mem)
+#define USE_IR_REMOTE                            // Send IR remote commands using library IRremoteESP8266 and ArduinoJson (+4k code, 0k3 mem)
 //  #define USE_IR_HVAC                            // Support for HVAC system using IR (+2k code)
-  #define USE_IR_RECEIVE                         // Support for IR receiver (+5.5k code)
+  #define USE_IR_RECEIVE                         // Support for IR receiver (+5k5 code)
 
 #define USE_WS2812                               // WS2812 Led string using library NeoPixelBus (+5k code, +1k mem) - Disable by //
   #define USE_WS2812_CTYPE     1                 // WS2812 Color type (0 - RGB, 1 - GRB, 2 - RGBW, 3 - GRBW)
 //  #define USE_WS2812_DMA                         // DMA supports only GPIO03 (= Serial RXD) (+1k mem). When USE_WS2812_DMA is enabled expect Exceptions on Pow
 
-//#define USE_MHZ19                                // Add support for MH-Z19 CO2 sensor using hardware serial interface at 9600 bps
+//#define USE_MHZ19                                // Add support for MH-Z19 CO2 sensor using hardware serial interface at 9600 bps (+1k1 code)
+//#define USE_MHZ19_SOFT_SERIAL                    // Add support for MH-Z19 CO2 sensor using iram free software serial interface at 9600 bps (+2k3 code)
 
-#define USE_ARILUX_RF                            // Add support for Arilux RF remote controller (+0.8k code)
+#define USE_ARILUX_RF                            // Add support for Arilux RF remote controller (+0k8 code)
 
 /*********************************************************************************************\
  * Compile a minimal version if upgrade memory gets tight ONLY TO BE USED FOR UPGRADE STEP 1!
diff --git a/sonoff/xsns_15_mhz_softserial.ino b/sonoff/xsns_15_mhz_softserial.ino
new file mode 100644
index 000000000..fe928a16f
--- /dev/null
+++ b/sonoff/xsns_15_mhz_softserial.ino
@@ -0,0 +1,276 @@
+/*
+  xsns_15_mhz.ino - MH-Z19 CO2 sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_MHZ19_SOFT_SERIAL
+/*********************************************************************************************\
+ * MH-Z19 - CO2 sensor
+ *
+ * Based on EspEasy plugin P049 by Dmitry (rel22 ___ inbox.ru)
+ **********************************************************************************************
+ * Filter usage
+ *
+ * Select filter usage on low stability readings
+\*********************************************************************************************/
+
+#include <SoftwareSerialNoIram.h>
+SoftwareSerialNoIram *SoftSerial;
+
+enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
+
+#define MHZ19_FILTER_OPTION          MHZ19_FILTER_FAST
+
+/*********************************************************************************************\
+ * Source: http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
+ *
+ * Automatic Baseline Correction (ABC logic function)
+ *
+ * ABC logic function refers to that sensor itself do zero point judgment and automatic calibration procedure
+ * intelligently after a continuous operation period. The automatic calibration cycle is every 24 hours after powered on.
+ *
+ * The zero point of automatic calibration is 400ppm.
+ *
+ * This function is usually suitable for indoor air quality monitor such as offices, schools and homes,
+ * not suitable for greenhouse, farm and refrigeratory where this function should be off.
+ *
+ * Please do zero calibration timely, such as manual or commend calibration.
+\*********************************************************************************************/
+
+#define MHZ19_ABC_ENABLE             1       // Automatic Baseline Correction (0 = off, 1 = on (default))
+
+/*********************************************************************************************/
+
+#define MHZ19_BAUDRATE               9600
+#define MHZ19_READ_TIMEOUT           600     // Must be way less than 1000
+
+const char kMhz19Types[] PROGMEM = "MHZ19|MHZ19B";
+
+const byte mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
+const byte mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
+const byte mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
+
+uint8_t mhz19_type = 0;
+uint16_t mhz19_last_ppm = 0;
+uint8_t mhz19_filter = MHZ19_FILTER_OPTION;
+byte mhz19_response[9];
+bool mhz19_abc_enable = MHZ19_ABC_ENABLE;
+bool mhz19_abc_must_apply = false;
+char mhz19_types[7];
+
+bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
+{
+  if (1 == s) {
+    return false;            // S==1 => "A" version sensor bootup, do not use values.
+  }
+  if (mhz19_last_ppm < 400 || mhz19_last_ppm > 5000) {
+    // Prevent unrealistic values during start-up with filtering enabled.
+    // Just assume the entered value is correct.
+    mhz19_last_ppm = ppm;
+    return true;
+  }
+  int32_t difference = ppm - mhz19_last_ppm;
+  if (s > 0 && s < 64 && mhz19_filter != MHZ19_FILTER_OFF) {
+    // Not the "B" version of the sensor, S value is used.
+    // S==0 => "B" version, else "A" version
+    // The S value is an indication of the stability of the reading.
+    // S == 64 represents a stable reading and any lower value indicates (unusual) fast change.
+    // Now we increase the delay filter for low values of S and increase response time when the
+    // value is more stable.
+    // This will make the reading useful in more turbulent environments,
+    // where the sensor would report more rapid change of measured values.
+    difference = difference * s;
+    difference /= 64;
+  }
+  switch (mhz19_filter) {
+    case MHZ19_FILTER_OFF: {
+      if (s != 0 && s != 64) {
+        return false;
+      }
+      break;
+    }
+    // #Samples to reach >= 75% of step response
+    case MHZ19_FILTER_OFF_ALLSAMPLES:
+      break;                 // No Delay
+    case MHZ19_FILTER_FAST:
+      difference /= 2;
+      break;                 // Delay: 2 samples
+    case MHZ19_FILTER_MEDIUM:
+      difference /= 4;
+      break;                 // Delay: 5 samples
+    case MHZ19_FILTER_SLOW:
+      difference /= 8;
+      break;                 // Delay: 11 samples
+  }
+  mhz19_last_ppm = static_cast<uint16_t>(mhz19_last_ppm + difference);
+  return true;
+}
+
+bool Mhz19Read(uint16_t &p, float &t)
+{
+  bool status = false;
+
+  p = 0;
+  t = NAN;
+
+  if (mhz19_type)
+  {
+    SoftSerial->flush();
+    if (SoftSerial->write(mhz19_cmnd_read_ppm, 9) != 9) {
+      return false;          // Unable to send 9 bytes
+    }
+    memset(mhz19_response, 0, sizeof(mhz19_response));
+    uint32_t start = millis();
+    uint8_t counter = 0;
+    while (((millis() - start) < MHZ19_READ_TIMEOUT) && (counter < 9)) {
+      if (SoftSerial->available() > 0) {
+        mhz19_response[counter++] = SoftSerial->read();
+      } else {
+        delay(10);
+      }
+    }
+    if (counter < 9){
+      return false;          // Timeout while trying to read
+    }
+
+    byte crc = 0;
+    for (uint8_t i = 1; i < 8; i++) {
+      crc += mhz19_response[i];
+    }
+    crc = 255 - crc;
+    crc++;
+
+/*
+    // Test data
+    mhz19_response[0] = 0xFF;
+    mhz19_response[1] = 0x86;
+    mhz19_response[2] = 0x12;
+    mhz19_response[3] = 0x86;
+    mhz19_response[4] = 64;
+//    mhz19_response[5] = 32;
+    mhz19_response[8] = crc;
+*/
+
+    if (0xFF == mhz19_response[0] && 0x86 == mhz19_response[1] && mhz19_response[8] == crc)  {
+      uint16_t u = (mhz19_response[6] << 8) | mhz19_response[7];
+      if (15000 == u) {      // During (and only ever at) sensor boot, 'u' is reported as 15000
+        if (!mhz19_abc_enable) {
+          // After bootup of the sensor the ABC will be enabled.
+          // Thus only actively disable after bootup.
+          mhz19_abc_must_apply = true;
+        }
+      } else {
+        uint16_t ppm = (mhz19_response[2] << 8) | mhz19_response[3];
+        t = ConvertTemp((float)mhz19_response[4] - 40);
+        uint8_t s = mhz19_response[5];
+        if (s) {
+          mhz19_type = 1;
+        } else {
+          mhz19_type = 2;
+        }
+        if (Mhz19CheckAndApplyFilter(ppm, s)) {
+          p = mhz19_last_ppm;
+
+          if (0 == s || 64 == s) {  // Reading is stable.
+            if (mhz19_abc_must_apply) {
+              mhz19_abc_must_apply = false;
+              if (mhz19_abc_enable) {
+                SoftSerial->write(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
+              } else {
+                SoftSerial->write(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
+              }
+            }
+          }
+
+          status = true;
+        }
+      }
+    }
+  }
+  return status;
+}
+
+void Mhz19Init()
+{
+  SoftSerial = new SoftwareSerialNoIram(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
+  SoftSerial->begin(9600);
+
+  mhz19_type = 1;
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_SNS_CO2[] PROGMEM =
+  "%s{s}%s " D_CO2 "{m}%d " D_UNIT_PPM "{e}";  // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
+#endif  // USE_WEBSERVER
+
+void Mhz19Show(boolean json)
+{
+  uint16_t co2;
+  float t;
+
+  if (Mhz19Read(co2, t)) {
+    char temperature[10];
+    dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+    GetTextIndexed(mhz19_types, sizeof(mhz19_types), mhz19_type -1, kMhz19Types);
+
+    if (json) {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_CO2 "\":%d,\"" D_TEMPERATURE "\":%s}"), mqtt_data, mhz19_types, co2, temperature);
+#ifdef USE_DOMOTICZ
+      DomoticzSensor(DZ_COUNT, co2);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+    } else {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_CO2, mqtt_data, mhz19_types, co2);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, mhz19_types, temperature, TempUnit());
+#endif  // USE_WEBSERVER
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_15
+
+boolean Xsns15(byte function)
+{
+  boolean result = false;
+
+  if ((pin[GPIO_MHZ_RXD] < 99) && (pin[GPIO_MHZ_TXD] < 99)) {
+    switch (function) {
+      case FUNC_XSNS_INIT:
+        Mhz19Init();
+        break;
+      case FUNC_XSNS_PREP:
+//        Mhz19Prep();
+        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Mhz19Show(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Mhz19Show(0);
+//        Mhz19Prep();
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_MHZ19_SOFT_SERIAL

From cad8164882cb08ff7a0d83bc73d18f8c3ade21e6 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Wed, 6 Dec 2017 13:59:33 +0100
Subject: [PATCH 03/10] Add sht3x_v2 for testing

Possibly fix loss of sht3x sensor (#1314)
---
 sonoff/user_config.h        |  11 +--
 sonoff/xsns_14_sht3x_v2.ino | 144 ++++++++++++++++++++++++++++++++++++
 2 files changed, 150 insertions(+), 5 deletions(-)
 create mode 100644 sonoff/xsns_14_sht3x_v2.ino

diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 4ea4bb232..5a35fcfd0 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -168,11 +168,12 @@
 //#define USE_DS18x20_LEGACY                       // Optional for more than one DS18x20 sensors with dynamic scan using library OneWire (+1k5 code)
 
 #define USE_I2C                                  // I2C using library wire (+10k code, 0k2 mem) - Disable by //
-  #define USE_SHT                                // Add I2C emulating code for SHT1X sensor
-//  #define USE_SHT3X                              // Add I2C code for SHT3x sensor
-  #define USE_HTU                                // Add I2C code for HTU21/SI7013/SI7020/SI7021 sensor
-  #define USE_BMP                                // Add I2C code for BMP/BME280 sensor
-  #define USE_BH1750                             // Add I2C code for BH1750 sensor
+  #define USE_SHT                                // Add I2C emulating code for SHT1X sensor (+1k4 code)
+//  #define USE_SHT3X                              // Add I2C code for SHT3x sensor based on Adafruit (+0k7 code)
+//  #define USE_SHT3X_V2                           // Add I2C code for SHT3x sensor based on EspEasy (+0k7 code)
+  #define USE_HTU                                // Add I2C code for HTU21/SI7013/SI7020/SI7021 sensor (+1k5 code)
+  #define USE_BMP                                // Add I2C code for BMP/BME280 sensor (+4k code)
+  #define USE_BH1750                             // Add I2C code for BH1750 sensor (+0k5 code)
 //  #define USE_VEML6070                           // Add I2C code for VEML6070 sensor (+0k5 code)
 //  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (library not needed) (+0k7 code)
 //  #define USE_ADS1115_I2CDEV                     // Add I2C code for ADS1115 16 bit A/D converter using library i2cdevlib-Core and i2cdevlib-ADS1115 (+2k code)
diff --git a/sonoff/xsns_14_sht3x_v2.ino b/sonoff/xsns_14_sht3x_v2.ino
new file mode 100644
index 000000000..b048c0c0f
--- /dev/null
+++ b/sonoff/xsns_14_sht3x_v2.ino
@@ -0,0 +1,144 @@
+/*
+  xsns_14_sht3x.ino - SHT3X temperature and humidity sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_I2C
+#ifdef USE_SHT3X_V2
+/*********************************************************************************************\
+ * SHT3X - Temperature and Humidy
+ *
+ * Required library: none but based on EspEasy plugin 68
+ *
+ * I2C Address: 0x44 or 0x45
+\*********************************************************************************************/
+
+#define SHT3X_ADDR_GND      0x44  // address pin low (GND)
+#define SHT3X_ADDR_VDD      0x45  // address pin high (VDD)
+
+uint8_t sht3x_type = 0;
+uint8_t sht3x_address;
+uint8_t sht3x_addresses[] = { SHT3X_ADDR_GND, SHT3X_ADDR_VDD };
+
+bool Sht3xInit()
+{
+  if (sht3x_type) {
+    return I2cWrite8(sht3x_address, 0x20, 0x32);  // Periodic 0.5mps and repeatability high
+  }
+  return false;
+}
+
+bool Sht3xRead(float &t, float &h)
+{
+  unsigned int data[6];
+
+  t = NAN;
+  h = NAN;
+
+  I2cWrite8(sht3x_address, 0xE0, 0x00);  // Fetch data
+  Wire.requestFrom(sht3x_address, (uint8_t)6);
+  if (Wire.available() != 6) {
+    return false;
+  }
+  // Read 6 bytes of data
+  // cTemp msb, cTemp lsb, cTemp crc, humidity msb, humidity lsb, humidity crc
+  for (uint8_t i = 0; i < 6; i++) {
+    data[i] = Wire.read();
+  }
+  t = ConvertTemp((float)((((data[0] << 8) | data[1]) * 175) / 65535.0) - 45);
+  h = (float)((((data[3] << 8) | data[4]) * 100) / 65535.0);
+  return (!isnan(t) && !isnan(h));
+}
+
+/********************************************************************************************/
+
+void Sht3xDetect()
+{
+  if (sht3x_type) {
+    return;
+  }
+
+  sht3x_type = 1;
+  for (byte i = 0; i < sizeof(sht3x_addresses); i++) {
+    sht3x_address = sht3x_addresses[i];
+    if (Sht3xInit()) {
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "SHT3X", sht3x_address);
+      AddLog(LOG_LEVEL_DEBUG);
+      return;
+    }
+  }
+  sht3x_type = 0;
+}
+
+void Sht3xShow(boolean json)
+{
+  if (sht3x_type) {
+    float t;
+    float h;
+    if (Sht3xRead(t, h)) {
+      char temperature[10];
+      char humidity[10];
+      dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+      dtostrfd(h, Settings.flag2.humidity_resolution, humidity);
+
+      if (json) {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), JSON_SNS_TEMPHUM, mqtt_data, "SHT3X", temperature, humidity);
+#ifdef USE_DOMOTICZ
+        DomoticzTempHumSensor(temperature, humidity);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+      } else {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, "SHT3X", temperature, TempUnit());
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_HUM, mqtt_data, "SHT3X", humidity);
+#endif  // USE_WEBSERVER
+      }
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_14
+
+boolean Xsns14(byte function)
+{
+  boolean result = false;
+
+  if (i2c_flg) {
+    switch (function) {
+      case FUNC_XSNS_INIT:
+        Sht3xDetect();
+        break;
+//      case FUNC_XSNS_PREP:
+//        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Sht3xShow(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Sht3xShow(0);
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_SHT3X_V2
+#endif  // USE_I2C
\ No newline at end of file

From 7c79131bfe1c3946d5c03cf506cf9380e4b5bd52 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Wed, 6 Dec 2017 14:04:58 +0100
Subject: [PATCH 04/10] Add support for TSL2561 (#661, #1311)

Add support for TSL2561 (#661, #1311)
---
 .../.github/ISSUE_TEMPLATE.md                 |  46 +++
 .../.github/PULL_REQUEST_TEMPLATE.md          |  26 ++
 lib/TSL2561-Arduino-Library/README.txt        |   7 +
 lib/TSL2561-Arduino-Library/TSL2561.cpp       | 301 ++++++++++++++++++
 lib/TSL2561-Arduino-Library/TSL2561.h         | 184 +++++++++++
 .../examples/tsl2561/tsl2561.ino              |  63 ++++
 .../library.properties                        |   9 +
 sonoff/user_config.h                          |   1 +
 sonoff/xsns_16_tsl2561.ino                    | 113 +++++++
 9 files changed, 750 insertions(+)
 create mode 100644 lib/TSL2561-Arduino-Library/.github/ISSUE_TEMPLATE.md
 create mode 100644 lib/TSL2561-Arduino-Library/.github/PULL_REQUEST_TEMPLATE.md
 create mode 100644 lib/TSL2561-Arduino-Library/README.txt
 create mode 100644 lib/TSL2561-Arduino-Library/TSL2561.cpp
 create mode 100644 lib/TSL2561-Arduino-Library/TSL2561.h
 create mode 100644 lib/TSL2561-Arduino-Library/examples/tsl2561/tsl2561.ino
 create mode 100644 lib/TSL2561-Arduino-Library/library.properties
 create mode 100644 sonoff/xsns_16_tsl2561.ino

diff --git a/lib/TSL2561-Arduino-Library/.github/ISSUE_TEMPLATE.md b/lib/TSL2561-Arduino-Library/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 000000000..f0e26146f
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,46 @@
+Thank you for opening an issue on an Adafruit Arduino library repository.  To
+improve the speed of resolution please review the following guidelines and
+common troubleshooting steps below before creating the issue:
+
+- **Do not use GitHub issues for troubleshooting projects and issues.**  Instead use
+  the forums at http://forums.adafruit.com to ask questions and troubleshoot why
+  something isn't working as expected.  In many cases the problem is a common issue
+  that you will more quickly receive help from the forum community.  GitHub issues
+  are meant for known defects in the code.  If you don't know if there is a defect
+  in the code then start with troubleshooting on the forum first.
+
+- **If following a tutorial or guide be sure you didn't miss a step.** Carefully
+  check all of the steps and commands to run have been followed.  Consult the
+  forum if you're unsure or have questions about steps in a guide/tutorial.
+
+- **For Arduino projects check these very common issues to ensure they don't apply**:
+
+  - For uploading sketches or communicating with the board make sure you're using
+    a **USB data cable** and **not** a **USB charge-only cable**.  It is sometimes
+    very hard to tell the difference between a data and charge cable!  Try using the
+    cable with other devices or swapping to another cable to confirm it is not
+    the problem.
+
+  - **Be sure you are supplying adequate power to the board.**  Check the specs of
+    your board and plug in an external power supply.  In many cases just
+    plugging a board into your computer is not enough to power it and other
+    peripherals.
+
+  - **Double check all soldering joints and connections.**  Flakey connections
+    cause many mysterious problems.  See the [guide to excellent soldering](https://learn.adafruit.com/adafruit-guide-excellent-soldering/tools) for examples of good solder joints.
+
+  - **Ensure you are using an official Arduino or Adafruit board.** We can't
+    guarantee a clone board will have the same functionality and work as expected
+    with this code and don't support them.
+
+If you're sure this issue is a defect in the code and checked the steps above
+please fill in the following fields to provide enough troubleshooting information.
+You may delete the guideline and text above to just leave the following details:
+
+- Arduino board:  **INSERT ARDUINO BOARD NAME/TYPE HERE**
+
+- Arduino IDE version (found in Arduino -> About Arduino menu):  **INSERT ARDUINO
+  VERSION HERE**
+
+- List the steps to reproduce the problem below (if possible attach a sketch or
+  copy the sketch code in too): **LIST REPRO STEPS BELOW**
diff --git a/lib/TSL2561-Arduino-Library/.github/PULL_REQUEST_TEMPLATE.md b/lib/TSL2561-Arduino-Library/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 000000000..7b641eb86
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,26 @@
+Thank you for creating a pull request to contribute to Adafruit's GitHub code!
+Before you open the request please review the following guidelines and tips to
+help it be more easily integrated:
+
+- **Describe the scope of your change--i.e. what the change does and what parts
+  of the code were modified.**  This will help us understand any risks of integrating
+  the code.
+
+- **Describe any known limitations with your change.**  For example if the change
+  doesn't apply to a supported platform of the library please mention it.
+
+- **Please run any tests or examples that can exercise your modified code.**  We
+  strive to not break users of the code and running tests/examples helps with this
+  process.
+
+Thank you again for contributing!  We will try to test and integrate the change
+as soon as we can, but be aware we have many GitHub repositories to manage and
+can't immediately respond to every request.  There is no need to bump or check in
+on a pull request (it will clutter the discussion of the request).
+
+Also don't be worried if the request is closed or not integrated--sometimes the
+priorities of Adafruit's GitHub code (education, ease of use) might not match the
+priorities of the pull request.  Don't fret, the open source community thrives on
+forks and GitHub makes it easy to keep your changes in a forked repo.
+
+After reviewing the guidelines above you can delete this text from the pull request.
diff --git a/lib/TSL2561-Arduino-Library/README.txt b/lib/TSL2561-Arduino-Library/README.txt
new file mode 100644
index 000000000..f59baf9e8
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/README.txt
@@ -0,0 +1,7 @@
+This is an Arduino library for the TSL2561 digital luminosity (light) sensors. 
+
+Pick one up at http://www.adafruit.com/products/439
+
+To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder TSL2561. Check that the TSL2561 folder contains TSL2561.cpp and TSL2561.h
+
+Place the TSL2561 library folder your <arduinosketchfolder>/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE.
\ No newline at end of file
diff --git a/lib/TSL2561-Arduino-Library/TSL2561.cpp b/lib/TSL2561-Arduino-Library/TSL2561.cpp
new file mode 100644
index 000000000..b033aad0a
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/TSL2561.cpp
@@ -0,0 +1,301 @@
+/**************************************************************************/
+/*! 
+    @file     tsl2561.c
+    @author   K. Townsend (microBuilder.eu / adafruit.com)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2010, microBuilder SARL, Adafruit Industries
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#if defined ( ESP8266 )
+  #include <pgmspace.h>
+#else
+  #include <avr/pgmspace.h>
+  #include <util/delay.h>
+#endif
+#include <stdlib.h>
+
+#include "TSL2561.h"
+
+TSL2561::TSL2561(uint8_t addr) {
+  _addr = addr;
+  _initialized = false;
+  _integration = TSL2561_INTEGRATIONTIME_13MS;
+  _gain = TSL2561_GAIN_16X;
+
+  // we cant do wire initialization till later, because we havent loaded Wire yet
+}
+
+boolean TSL2561::begin(void) {
+  Wire.begin();
+
+ // Initialise I2C
+  Wire.beginTransmission(_addr);
+#if ARDUINO >= 100
+  Wire.write(TSL2561_REGISTER_ID);
+#else
+  Wire.send(TSL2561_REGISTER_ID);
+#endif
+  Wire.endTransmission();
+  Wire.requestFrom(_addr, 1);
+#if ARDUINO >= 100
+  int x = Wire.read();
+#else
+  int x = Wire.receive();
+#endif
+  //Serial.print("0x"); Serial.println(x, HEX);
+  if (x & 0x0A ) {
+    //Serial.println("Found TSL2561");
+  } else {
+    return false;
+  }
+  _initialized = true;
+
+  // Set default integration time and gain
+  setTiming(_integration);
+  setGain(_gain);
+  // Note: by default, the device is in power down mode on bootup
+  disable();
+
+  return true;
+}
+
+void TSL2561::enable(void)
+{
+  if (!_initialized) begin();
+
+  // Enable the device by setting the control bit to 0x03
+  write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWERON);
+}
+
+void TSL2561::disable(void)
+{
+  if (!_initialized) begin();
+
+  // Disable the device by setting the control bit to 0x03
+  write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWEROFF);
+}
+
+
+void TSL2561::setGain(tsl2561Gain_t gain) {
+  if (!_initialized) begin();
+
+  enable();
+  _gain = gain;
+  write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain);  
+  disable();
+}
+
+void TSL2561::setTiming(tsl2561IntegrationTime_t integration)
+{
+  if (!_initialized) begin();
+
+  enable();
+  _integration = integration;
+  write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain);  
+  disable();
+}
+
+uint32_t TSL2561::calculateLux(uint16_t ch0, uint16_t ch1)
+{
+  unsigned long chScale;
+  unsigned long channel1;
+  unsigned long channel0;
+
+  switch (_integration)
+  {
+    case TSL2561_INTEGRATIONTIME_13MS:
+      chScale = TSL2561_LUX_CHSCALE_TINT0;
+      break;
+    case TSL2561_INTEGRATIONTIME_101MS:
+      chScale = TSL2561_LUX_CHSCALE_TINT1;
+      break;
+    default: // No scaling ... integration time = 402ms
+      chScale = (1 << TSL2561_LUX_CHSCALE);
+      break;
+  }
+
+  // Scale for gain (1x or 16x)
+  if (!_gain) chScale = chScale << 4;
+
+  // scale the channel values
+  channel0 = (ch0 * chScale) >> TSL2561_LUX_CHSCALE;
+  channel1 = (ch1 * chScale) >> TSL2561_LUX_CHSCALE;
+
+  // find the ratio of the channel values (Channel1/Channel0)
+  unsigned long ratio1 = 0;
+  if (channel0 != 0) ratio1 = (channel1 << (TSL2561_LUX_RATIOSCALE+1)) / channel0;
+
+  // round the ratio value
+  unsigned long ratio = (ratio1 + 1) >> 1;
+
+  unsigned int b, m;
+
+#ifdef TSL2561_PACKAGE_CS
+  if ((ratio >= 0) && (ratio <= TSL2561_LUX_K1C))
+    {b=TSL2561_LUX_B1C; m=TSL2561_LUX_M1C;}
+  else if (ratio <= TSL2561_LUX_K2C)
+    {b=TSL2561_LUX_B2C; m=TSL2561_LUX_M2C;}
+  else if (ratio <= TSL2561_LUX_K3C)
+    {b=TSL2561_LUX_B3C; m=TSL2561_LUX_M3C;}
+  else if (ratio <= TSL2561_LUX_K4C)
+    {b=TSL2561_LUX_B4C; m=TSL2561_LUX_M4C;}
+  else if (ratio <= TSL2561_LUX_K5C)
+    {b=TSL2561_LUX_B5C; m=TSL2561_LUX_M5C;}
+  else if (ratio <= TSL2561_LUX_K6C)
+    {b=TSL2561_LUX_B6C; m=TSL2561_LUX_M6C;}
+  else if (ratio <= TSL2561_LUX_K7C)
+    {b=TSL2561_LUX_B7C; m=TSL2561_LUX_M7C;}
+  else if (ratio > TSL2561_LUX_K8C)
+    {b=TSL2561_LUX_B8C; m=TSL2561_LUX_M8C;}
+#else
+  if ((ratio >= 0) && (ratio <= TSL2561_LUX_K1T))
+    {b=TSL2561_LUX_B1T; m=TSL2561_LUX_M1T;}
+  else if (ratio <= TSL2561_LUX_K2T)
+    {b=TSL2561_LUX_B2T; m=TSL2561_LUX_M2T;}
+  else if (ratio <= TSL2561_LUX_K3T)
+    {b=TSL2561_LUX_B3T; m=TSL2561_LUX_M3T;}
+  else if (ratio <= TSL2561_LUX_K4T)
+    {b=TSL2561_LUX_B4T; m=TSL2561_LUX_M4T;}
+  else if (ratio <= TSL2561_LUX_K5T)
+    {b=TSL2561_LUX_B5T; m=TSL2561_LUX_M5T;}
+  else if (ratio <= TSL2561_LUX_K6T)
+    {b=TSL2561_LUX_B6T; m=TSL2561_LUX_M6T;}
+  else if (ratio <= TSL2561_LUX_K7T)
+    {b=TSL2561_LUX_B7T; m=TSL2561_LUX_M7T;}
+  else if (ratio > TSL2561_LUX_K8T)
+    {b=TSL2561_LUX_B8T; m=TSL2561_LUX_M8T;}
+#endif
+
+  unsigned long temp;
+  temp = ((channel0 * b) - (channel1 * m));
+
+  // do not allow negative lux value
+  if (temp < 0) temp = 0;
+
+  // round lsb (2^(LUX_SCALE-1))
+  temp += (1 << (TSL2561_LUX_LUXSCALE-1));
+
+  // strip off fractional portion
+  uint32_t lux = temp >> TSL2561_LUX_LUXSCALE;
+
+  // Signal I2C had no errors
+  return lux;
+}
+
+uint32_t TSL2561::getFullLuminosity (void)
+{
+  if (!_initialized) begin();
+
+  // Enable the device by setting the control bit to 0x03
+  enable();
+
+  // Wait x ms for ADC to complete
+  switch (_integration)
+  {
+    case TSL2561_INTEGRATIONTIME_13MS:
+      delay(14);
+      break;
+    case TSL2561_INTEGRATIONTIME_101MS:
+      delay(102);
+      break;
+    default:
+      delay(403);
+      break;
+  }
+
+  uint32_t x;
+  x = read16(TSL2561_COMMAND_BIT | TSL2561_WORD_BIT | TSL2561_REGISTER_CHAN1_LOW);
+  x <<= 16;
+  x |= read16(TSL2561_COMMAND_BIT | TSL2561_WORD_BIT | TSL2561_REGISTER_CHAN0_LOW);
+
+  disable();
+
+  return x;
+}
+uint16_t TSL2561::getLuminosity (uint8_t channel) {
+
+  uint32_t x = getFullLuminosity();
+
+  if (channel == 0) {
+    // Reads two byte value from channel 0 (visible + infrared)
+    return (x & 0xFFFF);
+  } else if (channel == 1) {
+    // Reads two byte value from channel 1 (infrared)
+    return (x >> 16);
+  } else if (channel == 2) {
+    // Reads all and subtracts out just the visible!
+    return ( (x & 0xFFFF) - (x >> 16));
+  }
+  
+  // unknown channel!
+  return 0;
+}
+
+
+uint16_t TSL2561::read16(uint8_t reg)
+{
+  uint16_t x; uint16_t t;
+
+  Wire.beginTransmission(_addr);
+#if ARDUINO >= 100
+  Wire.write(reg);
+#else
+  Wire.send(reg);
+#endif
+  Wire.endTransmission();
+
+  Wire.requestFrom(_addr, 2);
+#if ARDUINO >= 100
+  t = Wire.read();
+  x = Wire.read();
+#else
+  t = Wire.receive();
+  x = Wire.receive();
+#endif
+  x <<= 8;
+  x |= t;
+  return x;
+}
+
+
+
+void TSL2561::write8 (uint8_t reg, uint8_t value)
+{
+  Wire.beginTransmission(_addr);
+#if ARDUINO >= 100
+  Wire.write(reg);
+  Wire.write(value);
+#else
+  Wire.send(reg);
+  Wire.send(value);
+#endif
+  Wire.endTransmission();
+}
diff --git a/lib/TSL2561-Arduino-Library/TSL2561.h b/lib/TSL2561-Arduino-Library/TSL2561.h
new file mode 100644
index 000000000..2750f2b13
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/TSL2561.h
@@ -0,0 +1,184 @@
+
+/**************************************************************************/
+/*! 
+    @file     tsl2561.h
+    @author   K. Townsend (microBuilder.eu)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2010, microBuilder SARL
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#ifndef _TSL2561_H_
+#define _TSL2561_H_
+
+#if ARDUINO >= 100
+ #include <Arduino.h>
+#else
+ #include <WProgram.h>
+#endif
+#include <Wire.h>
+
+#define TSL2561_VISIBLE 2                   // channel 0 - channel 1
+#define TSL2561_INFRARED 1                  // channel 1
+#define TSL2561_FULLSPECTRUM 0              // channel 0
+
+// 3 i2c address options!
+#define TSL2561_ADDR_LOW  0x29
+#define TSL2561_ADDR_FLOAT 0x39
+#define TSL2561_ADDR_HIGH 0x49
+
+// Lux calculations differ slightly for CS package
+//#define TSL2561_PACKAGE_CS
+#define TSL2561_PACKAGE_T_FN_CL
+
+#define TSL2561_READBIT           (0x01)
+
+#define TSL2561_COMMAND_BIT       (0x80)    // Must be 1
+#define TSL2561_CLEAR_BIT         (0x40)    // Clears any pending interrupt (write 1 to clear)
+#define TSL2561_WORD_BIT          (0x20)    // 1 = read/write word (rather than byte)
+#define TSL2561_BLOCK_BIT         (0x10)    // 1 = using block read/write
+
+#define TSL2561_CONTROL_POWERON   (0x03)
+#define TSL2561_CONTROL_POWEROFF  (0x00)
+
+#define TSL2561_LUX_LUXSCALE      (14)      // Scale by 2^14
+#define TSL2561_LUX_RATIOSCALE    (9)       // Scale ratio by 2^9
+#define TSL2561_LUX_CHSCALE       (10)      // Scale channel values by 2^10
+#define TSL2561_LUX_CHSCALE_TINT0 (0x7517)  // 322/11 * 2^TSL2561_LUX_CHSCALE
+#define TSL2561_LUX_CHSCALE_TINT1 (0x0FE7)  // 322/81 * 2^TSL2561_LUX_CHSCALE
+
+// T, FN and CL package values
+#define TSL2561_LUX_K1T           (0x0040)  // 0.125 * 2^RATIO_SCALE
+#define TSL2561_LUX_B1T           (0x01f2)  // 0.0304 * 2^LUX_SCALE
+#define TSL2561_LUX_M1T           (0x01be)  // 0.0272 * 2^LUX_SCALE
+#define TSL2561_LUX_K2T           (0x0080)  // 0.250 * 2^RATIO_SCALE
+#define TSL2561_LUX_B2T           (0x0214)  // 0.0325 * 2^LUX_SCALE
+#define TSL2561_LUX_M2T           (0x02d1)  // 0.0440 * 2^LUX_SCALE
+#define TSL2561_LUX_K3T           (0x00c0)  // 0.375 * 2^RATIO_SCALE
+#define TSL2561_LUX_B3T           (0x023f)  // 0.0351 * 2^LUX_SCALE
+#define TSL2561_LUX_M3T           (0x037b)  // 0.0544 * 2^LUX_SCALE
+#define TSL2561_LUX_K4T           (0x0100)  // 0.50 * 2^RATIO_SCALE
+#define TSL2561_LUX_B4T           (0x0270)  // 0.0381 * 2^LUX_SCALE
+#define TSL2561_LUX_M4T           (0x03fe)  // 0.0624 * 2^LUX_SCALE
+#define TSL2561_LUX_K5T           (0x0138)  // 0.61 * 2^RATIO_SCALE
+#define TSL2561_LUX_B5T           (0x016f)  // 0.0224 * 2^LUX_SCALE
+#define TSL2561_LUX_M5T           (0x01fc)  // 0.0310 * 2^LUX_SCALE
+#define TSL2561_LUX_K6T           (0x019a)  // 0.80 * 2^RATIO_SCALE
+#define TSL2561_LUX_B6T           (0x00d2)  // 0.0128 * 2^LUX_SCALE
+#define TSL2561_LUX_M6T           (0x00fb)  // 0.0153 * 2^LUX_SCALE
+#define TSL2561_LUX_K7T           (0x029a)  // 1.3 * 2^RATIO_SCALE
+#define TSL2561_LUX_B7T           (0x0018)  // 0.00146 * 2^LUX_SCALE
+#define TSL2561_LUX_M7T           (0x0012)  // 0.00112 * 2^LUX_SCALE
+#define TSL2561_LUX_K8T           (0x029a)  // 1.3 * 2^RATIO_SCALE
+#define TSL2561_LUX_B8T           (0x0000)  // 0.000 * 2^LUX_SCALE
+#define TSL2561_LUX_M8T           (0x0000)  // 0.000 * 2^LUX_SCALE
+
+// CS package values
+#define TSL2561_LUX_K1C           (0x0043)  // 0.130 * 2^RATIO_SCALE
+#define TSL2561_LUX_B1C           (0x0204)  // 0.0315 * 2^LUX_SCALE
+#define TSL2561_LUX_M1C           (0x01ad)  // 0.0262 * 2^LUX_SCALE
+#define TSL2561_LUX_K2C           (0x0085)  // 0.260 * 2^RATIO_SCALE
+#define TSL2561_LUX_B2C           (0x0228)  // 0.0337 * 2^LUX_SCALE
+#define TSL2561_LUX_M2C           (0x02c1)  // 0.0430 * 2^LUX_SCALE
+#define TSL2561_LUX_K3C           (0x00c8)  // 0.390 * 2^RATIO_SCALE
+#define TSL2561_LUX_B3C           (0x0253)  // 0.0363 * 2^LUX_SCALE
+#define TSL2561_LUX_M3C           (0x0363)  // 0.0529 * 2^LUX_SCALE
+#define TSL2561_LUX_K4C           (0x010a)  // 0.520 * 2^RATIO_SCALE
+#define TSL2561_LUX_B4C           (0x0282)  // 0.0392 * 2^LUX_SCALE
+#define TSL2561_LUX_M4C           (0x03df)  // 0.0605 * 2^LUX_SCALE
+#define TSL2561_LUX_K5C           (0x014d)  // 0.65 * 2^RATIO_SCALE
+#define TSL2561_LUX_B5C           (0x0177)  // 0.0229 * 2^LUX_SCALE
+#define TSL2561_LUX_M5C           (0x01dd)  // 0.0291 * 2^LUX_SCALE
+#define TSL2561_LUX_K6C           (0x019a)  // 0.80 * 2^RATIO_SCALE
+#define TSL2561_LUX_B6C           (0x0101)  // 0.0157 * 2^LUX_SCALE
+#define TSL2561_LUX_M6C           (0x0127)  // 0.0180 * 2^LUX_SCALE
+#define TSL2561_LUX_K7C           (0x029a)  // 1.3 * 2^RATIO_SCALE
+#define TSL2561_LUX_B7C           (0x0037)  // 0.00338 * 2^LUX_SCALE
+#define TSL2561_LUX_M7C           (0x002b)  // 0.00260 * 2^LUX_SCALE
+#define TSL2561_LUX_K8C           (0x029a)  // 1.3 * 2^RATIO_SCALE
+#define TSL2561_LUX_B8C           (0x0000)  // 0.000 * 2^LUX_SCALE
+#define TSL2561_LUX_M8C           (0x0000)  // 0.000 * 2^LUX_SCALE
+
+enum
+{
+  TSL2561_REGISTER_CONTROL          = 0x00,
+  TSL2561_REGISTER_TIMING           = 0x01,
+  TSL2561_REGISTER_THRESHHOLDL_LOW  = 0x02,
+  TSL2561_REGISTER_THRESHHOLDL_HIGH = 0x03,
+  TSL2561_REGISTER_THRESHHOLDH_LOW  = 0x04,
+  TSL2561_REGISTER_THRESHHOLDH_HIGH = 0x05,
+  TSL2561_REGISTER_INTERRUPT        = 0x06,
+  TSL2561_REGISTER_CRC              = 0x08,
+  TSL2561_REGISTER_ID               = 0x0A,
+  TSL2561_REGISTER_CHAN0_LOW        = 0x0C,
+  TSL2561_REGISTER_CHAN0_HIGH       = 0x0D,
+  TSL2561_REGISTER_CHAN1_LOW        = 0x0E,
+  TSL2561_REGISTER_CHAN1_HIGH       = 0x0F
+};
+
+typedef enum
+{
+  TSL2561_INTEGRATIONTIME_13MS      = 0x00,    // 13.7ms
+  TSL2561_INTEGRATIONTIME_101MS     = 0x01,    // 101ms
+  TSL2561_INTEGRATIONTIME_402MS     = 0x02     // 402ms
+}
+tsl2561IntegrationTime_t;
+
+typedef enum
+{
+  TSL2561_GAIN_0X                   = 0x00,    // No gain
+  TSL2561_GAIN_16X                  = 0x10,    // 16x gain
+}
+tsl2561Gain_t;
+
+
+class TSL2561 {
+ public:
+  TSL2561(uint8_t addr);
+  boolean begin(void);
+  void enable(void);
+  void disable(void);
+  void write8(uint8_t r, uint8_t v);
+  uint16_t read16(uint8_t reg);
+
+  uint32_t calculateLux(uint16_t ch0, uint16_t ch1);
+  void setTiming(tsl2561IntegrationTime_t integration);
+  void setGain(tsl2561Gain_t gain);
+  uint16_t getLuminosity (uint8_t channel);
+  uint32_t getFullLuminosity ();
+
+ private:
+  int8_t _addr;
+  tsl2561IntegrationTime_t _integration;
+  tsl2561Gain_t _gain;
+
+  boolean _initialized;
+};
+#endif
diff --git a/lib/TSL2561-Arduino-Library/examples/tsl2561/tsl2561.ino b/lib/TSL2561-Arduino-Library/examples/tsl2561/tsl2561.ino
new file mode 100644
index 000000000..775223071
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/examples/tsl2561/tsl2561.ino
@@ -0,0 +1,63 @@
+#include <Wire.h>
+#include "TSL2561.h"
+
+// Example for demonstrating the TSL2561 library - public domain!
+
+// connect SCL to analog 5
+// connect SDA to analog 4
+// connect VDD to 3.3V DC
+// connect GROUND to common ground
+// ADDR can be connected to ground, or vdd or left floating to change the i2c address
+
+// The address will be different depending on whether you let
+// the ADDR pin float (addr 0x39), or tie it to ground or vcc. In those cases
+// use TSL2561_ADDR_LOW (0x29) or TSL2561_ADDR_HIGH (0x49) respectively
+TSL2561 tsl(TSL2561_ADDR_FLOAT); 
+
+void setup(void) {
+  Serial.begin(9600);
+  
+  if (tsl.begin()) {
+    Serial.println("Found sensor");
+  } else {
+    Serial.println("No sensor?");
+    while (1);
+  }
+    
+  // You can change the gain on the fly, to adapt to brighter/dimmer light situations
+  //tsl.setGain(TSL2561_GAIN_0X);         // set no gain (for bright situtations)
+  tsl.setGain(TSL2561_GAIN_16X);      // set 16x gain (for dim situations)
+  
+  // Changing the integration time gives you a longer time over which to sense light
+  // longer timelines are slower, but are good in very low light situtations!
+  tsl.setTiming(TSL2561_INTEGRATIONTIME_13MS);  // shortest integration time (bright light)
+  //tsl.setTiming(TSL2561_INTEGRATIONTIME_101MS);  // medium integration time (medium light)
+  //tsl.setTiming(TSL2561_INTEGRATIONTIME_402MS);  // longest integration time (dim light)
+  
+  // Now we're ready to get readings!
+}
+
+void loop(void) {
+  // Simple data read example. Just read the infrared, fullspecrtrum diode 
+  // or 'visible' (difference between the two) channels.
+  // This can take 13-402 milliseconds! Uncomment whichever of the following you want to read
+  uint16_t x = tsl.getLuminosity(TSL2561_VISIBLE);     
+  //uint16_t x = tsl.getLuminosity(TSL2561_FULLSPECTRUM);
+  //uint16_t x = tsl.getLuminosity(TSL2561_INFRARED);
+  
+  Serial.println(x, DEC);
+
+  // More advanced data read example. Read 32 bits with top 16 bits IR, bottom 16 bits full spectrum
+  // That way you can do whatever math and comparisons you want!
+  uint32_t lum = tsl.getFullLuminosity();
+  uint16_t ir, full;
+  ir = lum >> 16;
+  full = lum & 0xFFFF;
+  Serial.print("IR: "); Serial.print(ir);   Serial.print("\t\t");
+  Serial.print("Full: "); Serial.print(full);   Serial.print("\t");
+  Serial.print("Visible: "); Serial.print(full - ir);   Serial.print("\t");
+  
+  Serial.print("Lux: "); Serial.println(tsl.calculateLux(full, ir));
+  
+  delay(100); 
+}
diff --git a/lib/TSL2561-Arduino-Library/library.properties b/lib/TSL2561-Arduino-Library/library.properties
new file mode 100644
index 000000000..06d22f721
--- /dev/null
+++ b/lib/TSL2561-Arduino-Library/library.properties
@@ -0,0 +1,9 @@
+name=TSL2561 Arduino Library
+version=1.0.0
+author=Adafruit
+maintainer=Adafruit <info@adafruit.com>
+sentence=Arduino library for using the TSL2561 Luminosity sensor
+paragraph=Arduino library for using the TSL2561 Luminosity sensor
+category=Sensors
+url=https://github.com/adafruit/TSL2561-Arduino-Library
+architectures=*
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 5a35fcfd0..5c4edab7b 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -175,6 +175,7 @@
   #define USE_BMP                                // Add I2C code for BMP/BME280 sensor (+4k code)
   #define USE_BH1750                             // Add I2C code for BH1750 sensor (+0k5 code)
 //  #define USE_VEML6070                           // Add I2C code for VEML6070 sensor (+0k5 code)
+//  #define USE_TSL2561                            // Add I2C code for TSL2561 sensor using library Adafruit TSL2561 Arduino (+1k2 code)
 //  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (library not needed) (+0k7 code)
 //  #define USE_ADS1115_I2CDEV                     // Add I2C code for ADS1115 16 bit A/D converter using library i2cdevlib-Core and i2cdevlib-ADS1115 (+2k code)
 //  #define USE_INA219                             // Add I2C code for INA219 Low voltage and current sensor (+1k code)
diff --git a/sonoff/xsns_16_tsl2561.ino b/sonoff/xsns_16_tsl2561.ino
new file mode 100644
index 000000000..24c9468fd
--- /dev/null
+++ b/sonoff/xsns_16_tsl2561.ino
@@ -0,0 +1,113 @@
+/*
+  xsns_16_tsl2561.ino - TSL2561 light sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_I2C
+#ifdef USE_TSL2561
+/*********************************************************************************************\
+ * TSL2561 - Light Intensity
+ *
+ * I2C Addresses: 0x29 (low), 0x39 (float) or 0x49 (high)
+ *
+ * Using library https://github.com/adafruit/TSL2561-Arduino-Library
+\*********************************************************************************************/
+
+#include <TSL2561.h>
+
+uint8_t tsl2561_address;
+uint8_t tsl2561_addresses[] = { TSL2561_ADDR_LOW, TSL2561_ADDR_FLOAT, TSL2561_ADDR_HIGH };
+uint8_t tsl2561_type = 0;
+
+//TSL2561 tsl(TSL2561_ADDR_FLOAT);
+TSL2561 *tsl;
+
+void Tsl2561Detect()
+{
+  if (tsl2561_type) {
+    return;
+  }
+
+  for (byte i = 0; i < sizeof(tsl2561_addresses); i++) {
+    tsl2561_address = tsl2561_addresses[i];
+    tsl = new TSL2561(tsl2561_address);
+    if (tsl->begin()) {
+      tsl->setGain(TSL2561_GAIN_16X);
+      tsl->setTiming(TSL2561_INTEGRATIONTIME_101MS);
+      tsl2561_type = 1;
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "TSL2561", tsl2561_address);
+      AddLog(LOG_LEVEL_DEBUG);
+      break;
+    }
+  }
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_SNS_TSL2561[] PROGMEM =
+  "%s{s}TSL2561 " D_ILLUMINANCE "{m}%d " D_UNIT_LUX "{e}";  // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
+#endif  // USE_WEBSERVER
+
+void Tsl2561Show(boolean json)
+{
+  if (tsl2561_type) {
+    uint16_t illuminance = tsl->getLuminosity(TSL2561_VISIBLE);
+
+    if (json) {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"TSL2561\":{\"" D_ILLUMINANCE "\":%d}"), mqtt_data, illuminance);
+#ifdef USE_DOMOTICZ
+      DomoticzSensor(DZ_ILLUMINANCE, illuminance);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+    } else {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TSL2561, mqtt_data, illuminance);
+#endif  // USE_WEBSERVER
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_16
+
+boolean Xsns16(byte function)
+{
+  boolean result = false;
+
+  if (i2c_flg) {
+    switch (function) {
+//      case FUNC_XSNS_INIT:
+//        break;
+      case FUNC_XSNS_PREP:
+        Tsl2561Detect();
+        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Tsl2561Show(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Tsl2561Show(0);
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_TSL2561
+#endif  // USE_I2C

From c04fcd0dcfa5db8ab388b1fcc9c4607576c2933f Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Wed, 6 Dec 2017 17:14:41 +0100
Subject: [PATCH 05/10] Add support for BME680

5.10.0a
 * Add (experimental) support for sensor SHT3x
 * Add support
for sensor MH-Z19(B) using serial interface to be enabled with define
USE_MHZ19 in user_config.h (#561, #1248)
 * Add (experimental) support
for sensor MH-Z19(B) using SoftwareSerial to be enabled with define
USE_MHZ19 in user_config.h (#561, #1248)
 * Add support for iTead SI7021
temperature and humidity sensor by consolidating DHT22 into AM2301 and
using former DHT22 as SI7021 (#735)
 * Fix BME280 calculation (#1051)
 *
Add support for BME680 using adafruit libraries (#1212)
 * Change
ADS1115 default voltage range from +/-2V to +/-6V (#1289)
 * Add
multipress support and more user configurable options to Sonoff Dual R2
(#1291)
 * Fix Sonoff Bridge missed learned key if learned data contains
0x55 (End of Transmission) flag (#1095, #1294)
 * Add support for
TSL2561 using adafruit library (#661, #1311)
 * Add alternative support
for SHT3x (#1314)
---
 lib/Adafruit_BME680-1.0.5/.gitignore          |    1 +
 lib/Adafruit_BME680-1.0.5/Adafruit_BME680.cpp |  605 ++++
 lib/Adafruit_BME680-1.0.5/Adafruit_BME680.h   |  107 +
 lib/Adafruit_BME680-1.0.5/Doxyfile            | 2492 +++++++++++++++++
 lib/Adafruit_BME680-1.0.5/README.md           |   12 +
 lib/Adafruit_BME680-1.0.5/bme680.c            | 1150 ++++++++
 lib/Adafruit_BME680-1.0.5/bme680.h            |  225 ++
 lib/Adafruit_BME680-1.0.5/bme680_defs.h       |  512 ++++
 .../docs/_adafruit___b_m_e680_8h_source.html  |   91 +
 lib/Adafruit_BME680-1.0.5/docs/annotated.html |   78 +
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 lib/Adafruit_BME680-1.0.5/docs/bdwn.png       |  Bin 0 -> 147 bytes
 lib/Adafruit_BME680-1.0.5/docs/bme680_8c.html |  157 ++
 lib/Adafruit_BME680-1.0.5/docs/bme680_8h.html |  129 +
 .../docs/bme680_8h_source.html                |   87 +
 .../docs/bme680__defs_8h.html                 | 1160 ++++++++
 .../docs/bme680__defs_8h_source.html          |  135 +
 .../class_adafruit___b_m_e680-members.html    |   94 +
 .../docs/class_adafruit___b_m_e680.html       |  537 ++++
 lib/Adafruit_BME680-1.0.5/docs/classes.html   |   82 +
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 lib/Adafruit_BME680-1.0.5/docs/doxygen.css    | 1596 +++++++++++
 lib/Adafruit_BME680-1.0.5/docs/doxygen.png    |  Bin 0 -> 3779 bytes
 lib/Adafruit_BME680-1.0.5/docs/dynsections.js |   97 +
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 .../docs/group___b_m_e680.html                |   73 +
 lib/Adafruit_BME680-1.0.5/docs/index.html     |   73 +
 lib/Adafruit_BME680-1.0.5/docs/jquery.js      |   87 +
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 .../docs/structbme680__tph__sett-members.html |   80 +
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 lib/Adafruit_BME680-1.0.5/docs/tabs.css       |    1 +
 .../examples/bme680oled/bme680oled.ino        |   88 +
 .../examples/bme680test/bme680test.ino        |   79 +
 lib/Adafruit_BME680-1.0.5/library.properties  |    9 +
 .../Adafruit_Sensor.h                         |  154 +
 lib/Adafruit_Sensor-1.0.2.02/README.md        |  221 ++
 .../library.properties                        |    9 +
 sonoff/_releasenotes.ino                      |    5 +-
 sonoff/user_config.h                          |    5 +-
 sonoff/xsns_09_bmp.ino                        |  185 +-
 sonoff/xsns_10_bh1750.ino                     |    8 +-
 sonoff/xsns_11_veml6070.ino                   |   20 +-
 sonoff/xsns_12_ads1115.ino                    |    6 +-
 sonoff/xsns_12_ads1115_i2cdev.ino             |    6 +-
 sonoff/xsns_13_ina219.ino                     |    6 +-
 185 files changed, 16232 insertions(+), 119 deletions(-)
 create mode 100644 lib/Adafruit_BME680-1.0.5/.gitignore
 create mode 100644 lib/Adafruit_BME680-1.0.5/Adafruit_BME680.cpp
 create mode 100644 lib/Adafruit_BME680-1.0.5/Adafruit_BME680.h
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diff --git a/lib/Adafruit_BME680-1.0.5/.gitignore b/lib/Adafruit_BME680-1.0.5/.gitignore
new file mode 100644
index 000000000..b25c15b81
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.cpp b/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.cpp
new file mode 100644
index 000000000..089065994
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.cpp
@@ -0,0 +1,605 @@
+/***************************************************************************
+  This is a library for the BME680 humidity, temperature & pressure sensor
+
+  Designed specifically to work with the Adafruit BME680 Breakout
+  ----> http://www.adafruit.com/products/2650
+
+  These sensors use I2C or SPI to communicate, 2 or 4 pins are required
+  to interface.
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit andopen-source hardware by purchasing products
+  from Adafruit!
+
+  Written by Limor Fried & Kevin Townsend for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ***************************************************************************/
+#include "Arduino.h"
+#include "Adafruit_BME680.h"
+
+//#define BME680_DEBUG
+
+// must be global in order to work with underlying library
+int8_t _BME680_SoftwareSPI_MOSI, _BME680_SoftwareSPI_MISO, _BME680_SoftwareSPI_SCK;
+
+// Our hardware interface functions
+static int8_t i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len);
+static int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len);
+static int8_t spi_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len);
+static int8_t spi_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len);
+static uint8_t spi_transfer(uint8_t x);
+static void delay_msec(uint32_t ms);
+
+/***************************************************************************
+ PUBLIC FUNCTIONS
+ ***************************************************************************/
+
+/**************************************************************************/
+/*!
+    @brief  Instantiates sensor with Hardware SPI or I2C.
+    @param  cspin SPI chip select. If not passed in, I2C will be used
+*/
+/**************************************************************************/
+Adafruit_BME680::Adafruit_BME680(int8_t cspin)
+  : _cs(cspin)
+{
+  _BME680_SoftwareSPI_MOSI = -1;
+  _BME680_SoftwareSPI_MISO = -1;
+  _BME680_SoftwareSPI_SCK = -1;
+  _filterEnabled = _tempEnabled = _humEnabled = _presEnabled = _gasEnabled = false;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Instantiates sensor with Software (bit-bang) SPI.
+    @param  cspin SPI chip select
+    @param  mosipin SPI MOSI (Data from microcontroller to sensor)
+    @param  misopin SPI MISO (Data to microcontroller from sensor)
+    @param  sckpin SPI Clock
+*/
+/**************************************************************************/
+Adafruit_BME680::Adafruit_BME680(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin)
+  : _cs(cspin)
+{
+  _BME680_SoftwareSPI_MOSI = mosipin;
+  _BME680_SoftwareSPI_MISO = misopin;
+  _BME680_SoftwareSPI_SCK = sckpin;
+  _filterEnabled = _tempEnabled = _humEnabled = _presEnabled = _gasEnabled = false;
+}
+
+
+
+/**************************************************************************/
+/*!
+    @brief Initializes the sensor
+
+    Hardware ss initialized, verifies it is in the I2C or SPI bus, then reads
+    calibration data in preparation for sensor reads.
+
+    @param  addr Optional parameter for the I2C address of BME680. Default is 0x77
+    @return True on sensor initialization success. False on failure.
+*/
+/**************************************************************************/
+bool Adafruit_BME680::begin(uint8_t addr) {
+  _i2caddr = addr;
+
+  if (_cs == -1) {
+    // i2c
+    Wire.begin();
+
+    gas_sensor.dev_id = addr;
+    gas_sensor.intf = BME680_I2C_INTF;
+    gas_sensor.read = &i2c_read;
+    gas_sensor.write = &i2c_write;
+  } else {
+    digitalWrite(_cs, HIGH);
+    pinMode(_cs, OUTPUT);
+
+    if (_BME680_SoftwareSPI_SCK == -1) {
+      // hardware SPI
+      SPI.begin();
+    } else {
+      // software SPI
+      pinMode(_BME680_SoftwareSPI_SCK, OUTPUT);
+      pinMode(_BME680_SoftwareSPI_MOSI, OUTPUT);
+      pinMode(_BME680_SoftwareSPI_MISO, INPUT);
+    }
+
+    gas_sensor.dev_id = _cs;
+    gas_sensor.intf = BME680_SPI_INTF;
+    gas_sensor.read = &spi_read;
+    gas_sensor.write = &spi_write;
+  }
+
+  gas_sensor.delay_ms = delay_msec;
+
+  int8_t rslt = BME680_OK;
+  rslt = bme680_init(&gas_sensor);
+#ifdef BME680_DEBUG
+  Serial.print("Result: "); Serial.println(rslt);
+#endif
+
+  if (rslt != BME680_OK) 
+    return false;
+
+#ifdef BME680_DEBUG
+  Serial.print("T1 = "); Serial.println(gas_sensor.calib.par_t1);
+  Serial.print("T2 = "); Serial.println(gas_sensor.calib.par_t2);
+  Serial.print("T3 = "); Serial.println(gas_sensor.calib.par_t3);
+  Serial.print("P1 = "); Serial.println(gas_sensor.calib.par_p1);
+  Serial.print("P2 = "); Serial.println(gas_sensor.calib.par_p2);
+  Serial.print("P3 = "); Serial.println(gas_sensor.calib.par_p3);
+  Serial.print("P4 = "); Serial.println(gas_sensor.calib.par_p4);
+  Serial.print("P5 = "); Serial.println(gas_sensor.calib.par_p5);
+  Serial.print("P6 = "); Serial.println(gas_sensor.calib.par_p6);
+  Serial.print("P7 = "); Serial.println(gas_sensor.calib.par_p7);
+  Serial.print("P8 = "); Serial.println(gas_sensor.calib.par_p8);
+  Serial.print("P9 = "); Serial.println(gas_sensor.calib.par_p9);
+  Serial.print("P10 = "); Serial.println(gas_sensor.calib.par_p10);
+  Serial.print("H1 = "); Serial.println(gas_sensor.calib.par_h1);
+  Serial.print("H2 = "); Serial.println(gas_sensor.calib.par_h2);
+  Serial.print("H3 = "); Serial.println(gas_sensor.calib.par_h3);
+  Serial.print("H4 = "); Serial.println(gas_sensor.calib.par_h4);
+  Serial.print("H5 = "); Serial.println(gas_sensor.calib.par_h5);
+  Serial.print("H6 = "); Serial.println(gas_sensor.calib.par_h6);
+  Serial.print("H7 = "); Serial.println(gas_sensor.calib.par_h7);
+  Serial.print("G1 = "); Serial.println(gas_sensor.calib.par_gh1);
+  Serial.print("G2 = "); Serial.println(gas_sensor.calib.par_gh2);
+  Serial.print("G3 = "); Serial.println(gas_sensor.calib.par_gh3);
+  Serial.print("G1 = "); Serial.println(gas_sensor.calib.par_gh1);
+  Serial.print("G2 = "); Serial.println(gas_sensor.calib.par_gh2);
+  Serial.print("G3 = "); Serial.println(gas_sensor.calib.par_gh3);
+  Serial.print("Heat Range = "); Serial.println(gas_sensor.calib.res_heat_range);
+  Serial.print("Heat Val = "); Serial.println(gas_sensor.calib.res_heat_val);
+  Serial.print("SW Error = "); Serial.println(gas_sensor.calib.range_sw_err);
+#endif
+
+  setTemperatureOversampling(BME680_OS_8X);
+  setHumidityOversampling(BME680_OS_2X);
+  setPressureOversampling(BME680_OS_4X);
+  setIIRFilterSize(BME680_FILTER_SIZE_3);
+  setGasHeater(320, 150); // 320*C for 150 ms
+  
+  // don't do anything till we request a reading
+  gas_sensor.power_mode = BME680_FORCED_MODE;
+
+  return true;
+}
+
+
+
+/**************************************************************************/
+/*!
+    @brief Performs a reading and returns the ambient temperature.
+    @return Temperature in degrees Centigrade
+*/
+/**************************************************************************/
+float Adafruit_BME680::readTemperature(void) {
+  performReading();
+  return temperature;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief Performs a reading and returns the barometric pressure.
+    @return Barometic pressure in Pascals
+*/
+/**************************************************************************/
+float Adafruit_BME680::readPressure(void) {
+  performReading();
+  return pressure;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief Performs a reading and returns the relative humidity.
+    @return Relative humidity as floating point
+*/
+/**************************************************************************/
+float Adafruit_BME680::readHumidity(void) {
+  performReading();
+  return humidity;
+}
+
+/**************************************************************************/
+/*!
+    @brief Calculates the resistance of the MOX gas sensor. 
+    @return Resistance in Ohms
+*/
+/**************************************************************************/
+uint32_t Adafruit_BME680::readGas(void) {
+  performReading();
+  return gas_resistance;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief Calculates the altitude (in meters). 
+
+    Reads the current atmostpheric pressure (in hPa) from the sensor and calculates
+    via the provided sea-level pressure (in hPa).
+
+    @param  seaLevel      Sea-level pressure in hPa
+    @return Altitude in meters
+*/
+/**************************************************************************/
+float Adafruit_BME680::readAltitude(float seaLevel)
+{
+    // Equation taken from BMP180 datasheet (page 16):
+    //  http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
+
+    // Note that using the equation from wikipedia can give bad results
+    // at high altitude. See this thread for more information:
+    //  http://forums.adafruit.com/viewtopic.php?f=22&t=58064
+
+    float atmospheric = readPressure() / 100.0F;
+    return 44330.0 * (1.0 - pow(atmospheric / seaLevel, 0.1903));
+}
+
+/**************************************************************************/
+/*!
+    @brief Performs a full reading of all 4 sensors in the BME680. 
+
+    Assigns the internal Adafruit_BME680#temperature, Adafruit_BME680#pressure, Adafruit_BME680#humidity 
+    and Adafruit_BME680#gas_resistance member variables
+
+    @return True on success, False on failure
+*/
+/**************************************************************************/
+bool Adafruit_BME680::performReading(void) {
+  uint8_t set_required_settings = 0;
+  struct bme680_field_data data;
+  int8_t rslt;
+
+  /* Select the power mode */
+  /* Must be set before writing the sensor configuration */
+  gas_sensor.power_mode = BME680_FORCED_MODE;
+
+  /* Set the required sensor settings needed */
+  if (_tempEnabled)
+    set_required_settings |= BME680_OST_SEL;
+  if (_humEnabled)
+    set_required_settings |= BME680_OSH_SEL;
+  if (_presEnabled)
+    set_required_settings |= BME680_OSP_SEL;
+  if (_filterEnabled)
+    set_required_settings |= BME680_FILTER_SEL;
+  if (_gasEnabled) 
+    set_required_settings |= BME680_GAS_SENSOR_SEL;
+
+  /* Set the desired sensor configuration */
+  //Serial.println("Setting sensor settings");
+  rslt = bme680_set_sensor_settings(set_required_settings, &gas_sensor);
+  if (rslt != BME680_OK) 
+    return false;
+  
+  /* Set the power mode */
+  //Serial.println("Setting power mode");
+  rslt = bme680_set_sensor_mode(&gas_sensor);
+  if (rslt != BME680_OK) 
+    return false;
+
+  /* Get the total measurement duration so as to sleep or wait till the
+   * measurement is complete */
+  uint16_t meas_period;
+  bme680_get_profile_dur(&meas_period, &gas_sensor);
+  //Serial.print("Waiting (ms) "); Serial.println(meas_period);
+  delay(meas_period * 2); /* Delay till the measurement is ready */
+  
+  //Serial.print("t_fine = "); Serial.println(gas_sensor.calib.t_fine);
+
+  //Serial.println("Getting sensor data");
+  rslt = bme680_get_sensor_data(&data, &gas_sensor);
+  if (rslt != BME680_OK) 
+    return false;
+
+  if (_tempEnabled) {
+    //Serial.print("Temp: "); Serial.println(data.temperature / 100.0, 2);
+    temperature = data.temperature / 100.0;
+  } else {
+    temperature = NAN;
+  }
+
+  if (_humEnabled) {
+    //Serial.print("Hum:  "); Serial.println(data.humidity / 1000.0, 2);
+    humidity = data.humidity / 1000.0;
+  } else {
+    humidity = NAN;
+  }
+
+  if (_presEnabled) {
+    //Serial.print("Pres: "); Serial.println(data.pressure / 100.0, 2);
+    pressure = data.pressure;
+  } else {
+    pressure = NAN;
+  }
+
+  /* Avoid using measurements from an unstable heating setup */
+  if (_gasEnabled) {
+    if (data.status & BME680_HEAT_STAB_MSK) {
+      //Serial.print("Gas resistance: "); Serial.println(data.gas_resistance);
+      gas_resistance = data.gas_resistance;
+    } else {
+      gas_resistance = 0;
+      //Serial.println("Gas reading unstable!");
+    }
+  }
+
+  return true;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Enable and configure gas reading + heater
+    @param  heaterTemp Desired temperature in degrees Centigrade
+    @param  heaterTime Time to keep heater on in milliseconds
+    @return True on success, False on failure
+*/
+/**************************************************************************/
+bool Adafruit_BME680::setGasHeater(uint16_t heaterTemp, uint16_t heaterTime) {
+  gas_sensor.gas_sett.heatr_temp = heaterTemp;
+  gas_sensor.gas_sett.heatr_dur = heaterTime;
+
+  if ( (heaterTemp == 0) || (heaterTime == 0) ) {
+    // disabled!
+    gas_sensor.gas_sett.run_gas = BME680_DISABLE_GAS_MEAS;
+    _gasEnabled = false;
+  } else {
+    gas_sensor.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS;
+    _gasEnabled = true;
+  }
+  return true;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Setter for Temperature oversampling
+    @param  oversample Oversampling setting, can be BME680_OS_NONE (turn off Temperature reading), 
+    BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X
+    @return True on success, False on failure
+*/
+/**************************************************************************/
+
+bool Adafruit_BME680::setTemperatureOversampling(uint8_t oversample) {
+  if (oversample > BME680_OS_16X) return false;
+
+  gas_sensor.tph_sett.os_temp = oversample;
+
+  if (oversample == BME680_OS_NONE)
+    _tempEnabled = false;
+  else
+    _tempEnabled = true;
+
+  return true;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Setter for Humidity oversampling
+    @param  oversample Oversampling setting, can be BME680_OS_NONE (turn off Humidity reading), 
+    BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X
+    @return True on success, False on failure
+*/
+/**************************************************************************/
+
+bool Adafruit_BME680::setHumidityOversampling(uint8_t oversample) {
+  if (oversample > BME680_OS_16X) return false;
+
+  gas_sensor.tph_sett.os_hum = oversample;
+
+  if (oversample == BME680_OS_NONE)
+    _humEnabled = false;
+  else
+    _humEnabled = true;
+
+  return true;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Setter for Pressure oversampling
+    @param  oversample Oversampling setting, can be BME680_OS_NONE (turn off Pressure reading), 
+    BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X
+    @return True on success, False on failure
+*/
+/**************************************************************************/
+bool Adafruit_BME680::setPressureOversampling(uint8_t oversample) {
+  if (oversample > BME680_OS_16X) return false;
+
+  gas_sensor.tph_sett.os_pres = oversample;
+
+  if (oversample == BME680_OS_NONE)
+    _presEnabled = false;
+  else
+    _presEnabled = true;
+
+  return true;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Setter for IIR filter.
+    @param filtersize Size of the filter (in samples). Can be BME680_FILTER_SIZE_0 (no filtering), BME680_FILTER_SIZE_1, BME680_FILTER_SIZE_3, BME680_FILTER_SIZE_7, BME680_FILTER_SIZE_15, BME680_FILTER_SIZE_31, BME680_FILTER_SIZE_63, BME680_FILTER_SIZE_127
+    @return True on success, False on failure
+    
+*/
+/**************************************************************************/
+bool Adafruit_BME680::setIIRFilterSize(uint8_t filtersize) {
+  if (filtersize > BME680_FILTER_SIZE_127) return false;
+
+  gas_sensor.tph_sett.filter = filtersize;
+
+  if (filtersize == BME680_FILTER_SIZE_0)
+    _filterEnabled = false;
+  else
+    _filterEnabled = true;
+
+  return true;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Reads 8 bit values over I2C
+*/
+/**************************************************************************/
+int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) {
+#ifdef BME680_DEBUG
+  Serial.print("\tI2C $"); Serial.print(reg_addr, HEX); Serial.print(" => ");
+#endif
+
+  Wire.beginTransmission((uint8_t)dev_id);
+  Wire.write((uint8_t)reg_addr);
+  Wire.endTransmission();
+  if (len != Wire.requestFrom((uint8_t)dev_id, (byte)len)) {
+#ifdef BME680_DEBUG
+    Serial.print("Failed to read "); Serial.print(len); Serial.print(" bytes from "); Serial.println(dev_id, HEX);
+#endif
+    return 1;
+  }
+  while (len--) {
+    *reg_data = (uint8_t)Wire.read();
+#ifdef BME680_DEBUG
+    Serial.print("0x"); Serial.print(*reg_data, HEX); Serial.print(", ");
+#endif
+    reg_data++;
+  }
+#ifdef BME680_DEBUG
+  Serial.println("");
+#endif
+  return 0;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Writes 8 bit values over I2C
+*/
+/**************************************************************************/
+int8_t i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) {
+#ifdef BME680_DEBUG
+  Serial.print("\tI2C $"); Serial.print(reg_addr, HEX); Serial.print(" <= ");
+#endif
+  Wire.beginTransmission((uint8_t)dev_id);
+  Wire.write((uint8_t)reg_addr);
+  while (len--) {
+    Wire.write(*reg_data);
+#ifdef BME680_DEBUG
+    Serial.print("0x"); Serial.print(*reg_data, HEX); Serial.print(", ");
+#endif
+    reg_data++;
+  }
+  Wire.endTransmission();
+#ifdef BME680_DEBUG
+  Serial.println("");
+#endif
+  return 0;
+}
+
+
+
+/**************************************************************************/
+/*!
+    @brief  Reads 8 bit values over SPI
+*/
+/**************************************************************************/
+static int8_t spi_read(uint8_t cspin, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) {
+#ifdef BME680_DEBUG
+  Serial.print("\tSPI $"); Serial.print(reg_addr, HEX); Serial.print(" => ");
+#endif
+
+  digitalWrite(cspin, LOW);
+
+  // If hardware SPI we should use transactions!
+  if (_BME680_SoftwareSPI_SCK == -1) {
+    SPI.beginTransaction(SPISettings(BME680_DEFAULT_SPIFREQ, MSBFIRST, SPI_MODE0));
+  }
+
+  spi_transfer(reg_addr);
+
+  while (len--) {
+    *reg_data = spi_transfer(0x00);
+#ifdef BME680_DEBUG
+    Serial.print("0x"); Serial.print(*reg_data, HEX); Serial.print(", ");
+#endif
+    reg_data++;
+  }
+
+  if (_BME680_SoftwareSPI_SCK == -1) {
+    SPI.endTransaction();
+  }
+
+  digitalWrite(cspin, HIGH);
+
+#ifdef BME680_DEBUG
+  Serial.println("");
+#endif
+  return 0;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Writes 8 bit values over SPI
+*/
+/**************************************************************************/
+static int8_t spi_write(uint8_t cspin, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) {
+#ifdef BME680_DEBUG
+  Serial.print("\tSPI $"); Serial.print(reg_addr, HEX); Serial.print(" <= ");
+#endif
+
+  digitalWrite(cspin, LOW);
+
+  // If hardware SPI we should use transactions!
+  if (_BME680_SoftwareSPI_SCK == -1) {
+    SPI.beginTransaction(SPISettings(BME680_DEFAULT_SPIFREQ, MSBFIRST, SPI_MODE0));
+  }
+
+  spi_transfer(reg_addr);
+  while (len--) {
+    spi_transfer(*reg_data);
+#ifdef BME680_DEBUG
+    Serial.print("0x"); Serial.print(*reg_data, HEX); Serial.print(", ");
+#endif
+    reg_data++;
+  }
+
+  if (_BME680_SoftwareSPI_SCK == -1) {
+    SPI.endTransaction();
+  }
+
+  digitalWrite(cspin, HIGH);
+
+#ifdef BME680_DEBUG
+  Serial.println("");
+#endif
+  return 0;
+}
+
+
+static uint8_t spi_transfer(uint8_t x) {
+  if (_BME680_SoftwareSPI_SCK == -1)
+    return SPI.transfer(x);
+
+  // software spi
+  //Serial.println("Software SPI");
+  uint8_t reply = 0;
+  for (int i=7; i>=0; i--) {
+    reply <<= 1;
+    digitalWrite(_BME680_SoftwareSPI_SCK, LOW);
+    digitalWrite(_BME680_SoftwareSPI_MOSI, x & (1<<i));
+    digitalWrite(_BME680_SoftwareSPI_SCK, HIGH);
+    if (digitalRead(_BME680_SoftwareSPI_MISO))
+      reply |= 1;
+  }
+  return reply;
+}
+
+
+static void delay_msec(uint32_t ms){
+  delay(ms);
+}
diff --git a/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.h b/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.h
new file mode 100644
index 000000000..cb5eb964d
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/Adafruit_BME680.h
@@ -0,0 +1,107 @@
+/***************************************************************************
+  This is a library for the BME680 humidity, temperature & pressure sensor
+
+  Designed specifically to work with the Adafruit BME680 Breakout
+  ----> http://www.adafruit.com/products/XXXX
+
+  These sensors use I2C or SPI to communicate, 2 or 4 pins are required
+  to interface.
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit andopen-source hardware by purchasing products
+  from Adafruit!
+
+  Written by Limor Fried & Kevin Townsend for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ***************************************************************************/
+#ifndef __BME680_H__
+#define __BME680_H__
+
+#if (ARDUINO >= 100)
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+#include <Wire.h>
+#include <SPI.h>
+#include <Adafruit_Sensor.h>
+#include <Wire.h>
+#include "bme680.h"
+
+
+/*=========================================================================
+    I2C ADDRESS/BITS
+    -----------------------------------------------------------------------*/
+#define BME680_DEFAULT_ADDRESS                (0x77)
+/*=========================================================================*/
+#define BME680_DEFAULT_SPIFREQ               (1000000)
+
+
+
+/*
+class Adafruit_BME680_Unified : public Adafruit_Sensor
+{
+public:
+    Adafruit_BME680_Unified(int32_t sensorID = -1);
+
+    bool  begin(uint8_t addr = BME680_ADDRESS);
+    void  getTemperature(float *temp);
+    void  getPressure(float *pressure);
+    float pressureToAltitude(float seaLevel, float atmospheric, float temp);
+    float seaLevelForAltitude(float altitude, float atmospheric, float temp);
+    void  getEvent(sensors_event_t*);
+    void  getSensor(sensor_t*);
+
+  private:
+    uint8_t   _i2c_addr;
+    int32_t   _sensorID;
+};
+
+*/
+
+/** Adafruit_BME680 Class for both I2C and SPI usage. 
+ *  Wraps the Bosch library for Arduino usage
+ */
+
+class Adafruit_BME680
+{
+  public:
+    Adafruit_BME680(int8_t cspin = -1);
+    Adafruit_BME680(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin);
+
+    bool  begin(uint8_t addr = BME680_DEFAULT_ADDRESS);
+    float readTemperature(void);
+    float readPressure(void);
+    float readHumidity(void);
+    uint32_t readGas(void);
+    float readAltitude(float seaLevel);
+
+    bool setTemperatureOversampling(uint8_t os);
+    bool setPressureOversampling(uint8_t os);
+    bool setHumidityOversampling(uint8_t os);
+    bool setIIRFilterSize(uint8_t fs);
+    bool setGasHeater(uint16_t heaterTemp, uint16_t heaterTime);
+
+    bool performReading(void);
+
+    /// Temperature (Celsius) assigned after calling performReading() 
+    float temperature;  
+    /// Pressure (Pascals) assigned after calling performReading() 
+    float pressure;
+    /// Humidity (RH %) assigned after calling performReading()
+    float humidity;
+    /// Gas resistor (ohms) assigned after calling performReading()
+    float gas_resistance;
+  private:
+
+    bool _filterEnabled, _tempEnabled, _humEnabled, _presEnabled, _gasEnabled;
+    uint8_t _i2caddr;
+    int32_t _sensorID;
+    int8_t _cs;
+
+    uint8_t spixfer(uint8_t x);
+
+    struct bme680_dev gas_sensor;
+};
+
+#endif
diff --git a/lib/Adafruit_BME680-1.0.5/Doxyfile b/lib/Adafruit_BME680-1.0.5/Doxyfile
new file mode 100644
index 000000000..f21c9d41d
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/Doxyfile
@@ -0,0 +1,2492 @@
+# Doxyfile 1.8.13
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a double hash (##) is considered a comment and is placed in
+# front of the TAG it is preceding.
+#
+# All text after a single hash (#) is considered a comment and will be ignored.
+# The format is:
+# TAG = value [value, ...]
+# For lists, items can also be appended using:
+# TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (\" \").
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file
+# that follow. The default is UTF-8 which is also the encoding used for all text
+# before the first occurrence of this tag. Doxygen uses libiconv (or the iconv
+# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv
+# for the list of possible encodings.
+# The default value is: UTF-8.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by
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+# project for which the documentation is generated. This name is used in the
+# title of most generated pages and in a few other places.
+# The default value is: My Project.
+
+PROJECT_NAME           = "Adafruit BME680 Library"
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. This
+# could be handy for archiving the generated documentation or if some version
+# control system is used.
+
+PROJECT_NUMBER         =
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer a
+# quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          =
+
+# With the PROJECT_LOGO tag one can specify a logo or an icon that is included
+# in the documentation. The maximum height of the logo should not exceed 55
+# pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
+# the logo to the output directory.
+
+PROJECT_LOGO           =
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
+# into which the generated documentation will be written. If a relative path is
+# entered, it will be relative to the location where doxygen was started. If
+# left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       =
+
+# If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
+# directories (in 2 levels) under the output directory of each output format and
+# will distribute the generated files over these directories. Enabling this
+# option can be useful when feeding doxygen a huge amount of source files, where
+# putting all generated files in the same directory would otherwise causes
+# performance problems for the file system.
+# The default value is: NO.
+
+CREATE_SUBDIRS         = NO
+
+# If the ALLOW_UNICODE_NAMES tag is set to YES, doxygen will allow non-ASCII
+# characters to appear in the names of generated files. If set to NO, non-ASCII
+# characters will be escaped, for example _xE3_x81_x84 will be used for Unicode
+# U+3044.
+# The default value is: NO.
+
+ALLOW_UNICODE_NAMES    = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# Possible values are: Afrikaans, Arabic, Armenian, Brazilian, Catalan, Chinese,
+# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States),
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+# The default value is: English.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES, doxygen will include brief member
+# descriptions after the members that are listed in the file and class
+# documentation (similar to Javadoc). Set to NO to disable this.
+# The default value is: YES.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES, doxygen will prepend the brief
+# description of a member or function before the detailed description
+#
+# Note: If both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
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+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
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+# The default value is: NO.
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+ALWAYS_DETAILED_SEC    = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
+# inherited members of a class in the documentation of that class as if those
+# members were ordinary class members. Constructors, destructors and assignment
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+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES, doxygen will prepend the full path
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+FULL_PATH_NAMES        = YES
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+# strip.
+#
+# Note that you can specify absolute paths here, but also relative paths, which
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+# This tag requires that the tag FULL_PATH_NAMES is set to YES.
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+STRIP_FROM_PATH        =
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
+# path mentioned in the documentation of a class, which tells the reader which
+# header file to include in order to use a class. If left blank only the name of
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+# first line (until the first dot) of a Javadoc-style comment as the brief
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+# The default value is: NO.
+
+JAVADOC_AUTOBRIEF      = NO
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+# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
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+TAB_SIZE               = 4
+
+# This tag can be used to specify a number of aliases that act as commands in
+# the documentation. An alias has the form:
+# name=value
+# For example adding
+# "sideeffect=@par Side Effects:\n"
+# will allow you to put the command \sideeffect (or @sideeffect) in the
+# documentation, which will result in a user-defined paragraph with heading
+# "Side Effects:". You can put \n's in the value part of an alias to insert
+# newlines.
+
+ALIASES                =
+
+# This tag can be used to specify a number of word-keyword mappings (TCL only).
+# A mapping has the form "name=value". For example adding "class=itcl::class"
+# will allow you to use the command class in the itcl::class meaning.
+
+TCL_SUBST              =
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
+# only. Doxygen will then generate output that is more tailored for C. For
+# instance, some of the names that are used will be different. The list of all
+# members will be omitted, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_FOR_C  = NO
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
+# Python sources only. Doxygen will then generate output that is more tailored
+# for that language. For instance, namespaces will be presented as packages,
+# qualified scopes will look different, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
+# sources. Doxygen will then generate output that is tailored for Fortran.
+# The default value is: NO.
+
+OPTIMIZE_FOR_FORTRAN   = NO
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
+# sources. Doxygen will then generate output that is tailored for VHDL.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it
+# parses. With this tag you can assign which parser to use for a given
+# extension. Doxygen has a built-in mapping, but you can override or extend it
+# using this tag. The format is ext=language, where ext is a file extension, and
+# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
+# C#, C, C++, D, PHP, Objective-C, Python, Fortran (fixed format Fortran:
+# FortranFixed, free formatted Fortran: FortranFree, unknown formatted Fortran:
+# Fortran. In the later case the parser tries to guess whether the code is fixed
+# or free formatted code, this is the default for Fortran type files), VHDL. For
+# instance to make doxygen treat .inc files as Fortran files (default is PHP),
+# and .f files as C (default is Fortran), use: inc=Fortran f=C.
+#
+# Note: For files without extension you can use no_extension as a placeholder.
+#
+# Note that for custom extensions you also need to set FILE_PATTERNS otherwise
+# the files are not read by doxygen.
+
+EXTENSION_MAPPING      =
+
+# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
+# according to the Markdown format, which allows for more readable
+# documentation. See http://daringfireball.net/projects/markdown/ for details.
+# The output of markdown processing is further processed by doxygen, so you can
+# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in
+# case of backward compatibilities issues.
+# The default value is: YES.
+
+MARKDOWN_SUPPORT       = YES
+
+# When the TOC_INCLUDE_HEADINGS tag is set to a non-zero value, all headings up
+# to that level are automatically included in the table of contents, even if
+# they do not have an id attribute.
+# Note: This feature currently applies only to Markdown headings.
+# Minimum value: 0, maximum value: 99, default value: 0.
+# This tag requires that the tag MARKDOWN_SUPPORT is set to YES.
+
+TOC_INCLUDE_HEADINGS   = 0
+
+# When enabled doxygen tries to link words that correspond to documented
+# classes, or namespaces to their corresponding documentation. Such a link can
+# be prevented in individual cases by putting a % sign in front of the word or
+# globally by setting AUTOLINK_SUPPORT to NO.
+# The default value is: YES.
+
+AUTOLINK_SUPPORT       = YES
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
+# to include (a tag file for) the STL sources as input, then you should set this
+# tag to YES in order to let doxygen match functions declarations and
+# definitions whose arguments contain STL classes (e.g. func(std::string);
+# versus func(std::string) {}). This also make the inheritance and collaboration
+# diagrams that involve STL classes more complete and accurate.
+# The default value is: NO.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+# The default value is: NO.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
+# http://www.riverbankcomputing.co.uk/software/sip/intro) sources only. Doxygen
+# will parse them like normal C++ but will assume all classes use public instead
+# of private inheritance when no explicit protection keyword is present.
+# The default value is: NO.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate
+# getter and setter methods for a property. Setting this option to YES will make
+# doxygen to replace the get and set methods by a property in the documentation.
+# This will only work if the methods are indeed getting or setting a simple
+# type. If this is not the case, or you want to show the methods anyway, you
+# should set this option to NO.
+# The default value is: YES.
+
+IDL_PROPERTY_SUPPORT   = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
+# tag is set to YES then doxygen will reuse the documentation of the first
+# member in the group (if any) for the other members of the group. By default
+# all members of a group must be documented explicitly.
+# The default value is: NO.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# If one adds a struct or class to a group and this option is enabled, then also
+# any nested class or struct is added to the same group. By default this option
+# is disabled and one has to add nested compounds explicitly via \ingroup.
+# The default value is: NO.
+
+GROUP_NESTED_COMPOUNDS = NO
+
+# Set the SUBGROUPING tag to YES to allow class member groups of the same type
+# (for instance a group of public functions) to be put as a subgroup of that
+# type (e.g. under the Public Functions section). Set it to NO to prevent
+# subgrouping. Alternatively, this can be done per class using the
+# \nosubgrouping command.
+# The default value is: YES.
+
+SUBGROUPING            = YES
+
+# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions
+# are shown inside the group in which they are included (e.g. using \ingroup)
+# instead of on a separate page (for HTML and Man pages) or section (for LaTeX
+# and RTF).
+#
+# Note that this feature does not work in combination with
+# SEPARATE_MEMBER_PAGES.
+# The default value is: NO.
+
+INLINE_GROUPED_CLASSES = NO
+
+# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions
+# with only public data fields or simple typedef fields will be shown inline in
+# the documentation of the scope in which they are defined (i.e. file,
+# namespace, or group documentation), provided this scope is documented. If set
+# to NO, structs, classes, and unions are shown on a separate page (for HTML and
+# Man pages) or section (for LaTeX and RTF).
+# The default value is: NO.
+
+INLINE_SIMPLE_STRUCTS  = NO
+
+# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or
+# enum is documented as struct, union, or enum with the name of the typedef. So
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
+# with name TypeT. When disabled the typedef will appear as a member of a file,
+# namespace, or class. And the struct will be named TypeS. This can typically be
+# useful for C code in case the coding convention dictates that all compound
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+# The default value is: NO.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This
+# cache is used to resolve symbols given their name and scope. Since this can be
+# an expensive process and often the same symbol appears multiple times in the
+# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small
+# doxygen will become slower. If the cache is too large, memory is wasted. The
+# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range
+# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536
+# symbols. At the end of a run doxygen will report the cache usage and suggest
+# the optimal cache size from a speed point of view.
+# Minimum value: 0, maximum value: 9, default value: 0.
+
+LOOKUP_CACHE_SIZE      = 0
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in
+# documentation are documented, even if no documentation was available. Private
+# class members and static file members will be hidden unless the
+# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
+# Note: This will also disable the warnings about undocumented members that are
+# normally produced when WARNINGS is set to YES.
+# The default value is: NO.
+
+EXTRACT_ALL            = NO
+
+# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will
+# be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
+# scope will be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PACKAGE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be
+# included in the documentation.
+# The default value is: NO.
+
+EXTRACT_STATIC         = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined
+# locally in source files will be included in the documentation. If set to NO,
+# only classes defined in header files are included. Does not have any effect
+# for Java sources.
+# The default value is: YES.
+
+EXTRACT_LOCAL_CLASSES  = YES
+
+# This flag is only useful for Objective-C code. If set to YES, local methods,
+# which are defined in the implementation section but not in the interface are
+# included in the documentation. If set to NO, only methods in the interface are
+# included.
+# The default value is: NO.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
+# extracted and appear in the documentation as a namespace called
+# 'anonymous_namespace{file}', where file will be replaced with the base name of
+# the file that contains the anonymous namespace. By default anonymous namespace
+# are hidden.
+# The default value is: NO.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
+# undocumented members inside documented classes or files. If set to NO these
+# members will be included in the various overviews, but no documentation
+# section is generated. This option has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
+# undocumented classes that are normally visible in the class hierarchy. If set
+# to NO, these classes will be included in the various overviews. This option
+# has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
+# (class|struct|union) declarations. If set to NO, these declarations will be
+# included in the documentation.
+# The default value is: NO.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
+# documentation blocks found inside the body of a function. If set to NO, these
+# blocks will be appended to the function's detailed documentation block.
+# The default value is: NO.
+
+HIDE_IN_BODY_DOCS      = NO
+
+# The INTERNAL_DOCS tag determines if documentation that is typed after a
+# \internal command is included. If the tag is set to NO then the documentation
+# will be excluded. Set it to YES to include the internal documentation.
+# The default value is: NO.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file
+# names in lower-case letters. If set to YES, upper-case letters are also
+# allowed. This is useful if you have classes or files whose names only differ
+# in case and if your file system supports case sensitive file names. Windows
+# and Mac users are advised to set this option to NO.
+# The default value is: system dependent.
+
+CASE_SENSE_NAMES       = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with
+# their full class and namespace scopes in the documentation. If set to YES, the
+# scope will be hidden.
+# The default value is: NO.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will
+# append additional text to a page's title, such as Class Reference. If set to
+# YES the compound reference will be hidden.
+# The default value is: NO.
+
+HIDE_COMPOUND_REFERENCE= NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
+# the files that are included by a file in the documentation of that file.
+# The default value is: YES.
+
+SHOW_INCLUDE_FILES     = YES
+
+# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
+# grouped member an include statement to the documentation, telling the reader
+# which file to include in order to use the member.
+# The default value is: NO.
+
+SHOW_GROUPED_MEMB_INC  = NO
+
+# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include
+# files with double quotes in the documentation rather than with sharp brackets.
+# The default value is: NO.
+
+FORCE_LOCAL_INCLUDES   = NO
+
+# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
+# documentation for inline members.
+# The default value is: YES.
+
+INLINE_INFO            = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
+# (detailed) documentation of file and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order.
+# The default value is: YES.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
+# descriptions of file, namespace and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order. Note that
+# this will also influence the order of the classes in the class list.
+# The default value is: NO.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
+# (brief and detailed) documentation of class members so that constructors and
+# destructors are listed first. If set to NO the constructors will appear in the
+# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS.
+# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief
+# member documentation.
+# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting
+# detailed member documentation.
+# The default value is: NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
+# of group names into alphabetical order. If set to NO the group names will
+# appear in their defined order.
+# The default value is: NO.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
+# fully-qualified names, including namespaces. If set to NO, the class list will
+# be sorted only by class name, not including the namespace part.
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the alphabetical
+# list.
+# The default value is: NO.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
+# type resolution of all parameters of a function it will reject a match between
+# the prototype and the implementation of a member function even if there is
+# only one candidate or it is obvious which candidate to choose by doing a
+# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
+# accept a match between prototype and implementation in such cases.
+# The default value is: NO.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo
+# list. This list is created by putting \todo commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test
+# list. This list is created by putting \test commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug
+# list. This list is created by putting \bug commands in the documentation.
+# The default value is: YES.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO)
+# the deprecated list. This list is created by putting \deprecated commands in
+# the documentation.
+# The default value is: YES.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional documentation
+# sections, marked by \if <section_label> ... \endif and \cond <section_label>
+# ... \endcond blocks.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
+# initial value of a variable or macro / define can have for it to appear in the
+# documentation. If the initializer consists of more lines than specified here
+# it will be hidden. Use a value of 0 to hide initializers completely. The
+# appearance of the value of individual variables and macros / defines can be
+# controlled using \showinitializer or \hideinitializer command in the
+# documentation regardless of this setting.
+# Minimum value: 0, maximum value: 10000, default value: 30.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
+# the bottom of the documentation of classes and structs. If set to YES, the
+# list will mention the files that were used to generate the documentation.
+# The default value is: YES.
+
+SHOW_USED_FILES        = YES
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
+# will remove the Files entry from the Quick Index and from the Folder Tree View
+# (if specified).
+# The default value is: YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
+# page. This will remove the Namespaces entry from the Quick Index and from the
+# Folder Tree View (if specified).
+# The default value is: YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command command input-file, where command is the value of the
+# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
+# by doxygen. Whatever the program writes to standard output is used as the file
+# version. For an example see the documentation.
+
+FILE_VERSION_FILTER    =
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. To create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option. You can
+# optionally specify a file name after the option, if omitted DoxygenLayout.xml
+# will be used as the name of the layout file.
+#
+# Note that if you run doxygen from a directory containing a file called
+# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
+# tag is left empty.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
+# the reference definitions. This must be a list of .bib files. The .bib
+# extension is automatically appended if omitted. This requires the bibtex tool
+# to be installed. See also http://en.wikipedia.org/wiki/BibTeX for more info.
+# For LaTeX the style of the bibliography can be controlled using
+# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
+# search path. See also \cite for info how to create references.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# Configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated to
+# standard output by doxygen. If QUIET is set to YES this implies that the
+# messages are off.
+# The default value is: NO.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
+# this implies that the warnings are on.
+#
+# Tip: Turn warnings on while writing the documentation.
+# The default value is: YES.
+
+WARNINGS               = YES
+
+# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate
+# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
+# will automatically be disabled.
+# The default value is: YES.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some parameters
+# in a documented function, or documenting parameters that don't exist or using
+# markup commands wrongly.
+# The default value is: YES.
+
+WARN_IF_DOC_ERROR      = YES
+
+# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
+# are documented, but have no documentation for their parameters or return
+# value. If set to NO, doxygen will only warn about wrong or incomplete
+# parameter documentation, but not about the absence of documentation.
+# The default value is: NO.
+
+WARN_NO_PARAMDOC       = NO
+
+# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when
+# a warning is encountered.
+# The default value is: NO.
+
+WARN_AS_ERROR          = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that doxygen
+# can produce. The string should contain the $file, $line, and $text tags, which
+# will be replaced by the file and line number from which the warning originated
+# and the warning text. Optionally the format may contain $version, which will
+# be replaced by the version of the file (if it could be obtained via
+# FILE_VERSION_FILTER)
+# The default value is: $file:$line: $text.
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning and error
+# messages should be written. If left blank the output is written to standard
+# error (stderr).
+
+WARN_LOGFILE           =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag is used to specify the files and/or directories that contain
+# documented source files. You may enter file names like myfile.cpp or
+# directories like /usr/src/myproject. Separate the files or directories with
+# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
+# Note: If this tag is empty the current directory is searched.
+
+INPUT                  =
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
+# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
+# documentation (see: http://www.gnu.org/software/libiconv) for the list of
+# possible encodings.
+# The default value is: UTF-8.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
+# *.h) to filter out the source-files in the directories.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# read by doxygen.
+#
+# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp,
+# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h,
+# *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc,
+# *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08,
+# *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf and *.qsf.
+
+FILE_PATTERNS          = *.c \
+                         *.cc \
+                         *.cxx \
+                         *.cpp \
+                         *.c++ \
+                         *.java \
+                         *.ii \
+                         *.ixx \
+                         *.ipp \
+                         *.i++ \
+                         *.inl \
+                         *.idl \
+                         *.ddl \
+                         *.odl \
+                         *.h \
+                         *.hh \
+                         *.hxx \
+                         *.hpp \
+                         *.h++ \
+                         *.cs \
+                         *.d \
+                         *.php \
+                         *.php4 \
+                         *.php5 \
+                         *.phtml \
+                         *.inc \
+                         *.m \
+                         *.markdown \
+                         *.md \
+                         *.mm \
+                         *.dox \
+                         *.py \
+                         *.pyw \
+                         *.f90 \
+                         *.f95 \
+                         *.f03 \
+                         *.f08 \
+                         *.f \
+                         *.for \
+                         *.tcl \
+                         *.vhd \
+                         *.vhdl \
+                         *.ucf \
+                         *.qsf
+
+# The RECURSIVE tag can be used to specify whether or not subdirectories should
+# be searched for input files as well.
+# The default value is: NO.
+
+RECURSIVE              = NO
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+#
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                = bme680.c bme680.h bme680_defs.h
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+# The default value is: NO.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories.
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories use the pattern */test/*
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or directories
+# that contain example code fragments that are included (see the \include
+# command).
+
+EXAMPLE_PATH           =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
+# *.h) to filter out the source-files in the directories. If left blank all
+# files are included.
+
+EXAMPLE_PATTERNS       = *
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude commands
+# irrespective of the value of the RECURSIVE tag.
+# The default value is: NO.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or directories
+# that contain images that are to be included in the documentation (see the
+# \image command).
+
+IMAGE_PATH             =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command:
+#
+# <filter> <input-file>
+#
+# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
+# name of an input file. Doxygen will then use the output that the filter
+# program writes to standard output. If FILTER_PATTERNS is specified, this tag
+# will be ignored.
+#
+# Note that the filter must not add or remove lines; it is applied before the
+# code is scanned, but not when the output code is generated. If lines are added
+# or removed, the anchors will not be placed correctly.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+INPUT_FILTER           =
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis. Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match. The filters are a list of the form: pattern=filter
+# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
+# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
+# patterns match the file name, INPUT_FILTER is applied.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will also be used to filter the input files that are used for
+# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
+# The default value is: NO.
+
+FILTER_SOURCE_FILES    = NO
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
+# it is also possible to disable source filtering for a specific pattern using
+# *.ext= (so without naming a filter).
+# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.
+
+FILTER_SOURCE_PATTERNS =
+
+# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page
+# (index.html). This can be useful if you have a project on for instance GitHub
+# and want to reuse the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE =
+
+#---------------------------------------------------------------------------
+# Configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
+# generated. Documented entities will be cross-referenced with these sources.
+#
+# Note: To get rid of all source code in the generated output, make sure that
+# also VERBATIM_HEADERS is set to NO.
+# The default value is: NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body of functions,
+# classes and enums directly into the documentation.
+# The default value is: NO.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
+# special comment blocks from generated source code fragments. Normal C, C++ and
+# Fortran comments will always remain visible.
+# The default value is: YES.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
+# function all documented functions referencing it will be listed.
+# The default value is: NO.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES then for each documented function
+# all documented entities called/used by that function will be listed.
+# The default value is: NO.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
+# to YES then the hyperlinks from functions in REFERENCES_RELATION and
+# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
+# link to the documentation.
+# The default value is: YES.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
+# source code will show a tooltip with additional information such as prototype,
+# brief description and links to the definition and documentation. Since this
+# will make the HTML file larger and loading of large files a bit slower, you
+# can opt to disable this feature.
+# The default value is: YES.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+SOURCE_TOOLTIPS        = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code will
+# point to the HTML generated by the htags(1) tool instead of doxygen built-in
+# source browser. The htags tool is part of GNU's global source tagging system
+# (see http://www.gnu.org/software/global/global.html). You will need version
+# 4.8.6 or higher.
+#
+# To use it do the following:
+# - Install the latest version of global
+# - Enable SOURCE_BROWSER and USE_HTAGS in the config file
+# - Make sure the INPUT points to the root of the source tree
+# - Run doxygen as normal
+#
+# Doxygen will invoke htags (and that will in turn invoke gtags), so these
+# tools must be available from the command line (i.e. in the search path).
+#
+# The result: instead of the source browser generated by doxygen, the links to
+# source code will now point to the output of htags.
+# The default value is: NO.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
+# verbatim copy of the header file for each class for which an include is
+# specified. Set to NO to disable this.
+# See also: Section \class.
+# The default value is: YES.
+
+VERBATIM_HEADERS       = YES
+
+# If the CLANG_ASSISTED_PARSING tag is set to YES then doxygen will use the
+# clang parser (see: http://clang.llvm.org/) for more accurate parsing at the
+# cost of reduced performance. This can be particularly helpful with template
+# rich C++ code for which doxygen's built-in parser lacks the necessary type
+# information.
+# Note: The availability of this option depends on whether or not doxygen was
+# generated with the -Duse-libclang=ON option for CMake.
+# The default value is: NO.
+
+CLANG_ASSISTED_PARSING = NO
+
+# If clang assisted parsing is enabled you can provide the compiler with command
+# line options that you would normally use when invoking the compiler. Note that
+# the include paths will already be set by doxygen for the files and directories
+# specified with INPUT and INCLUDE_PATH.
+# This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES.
+
+CLANG_OPTIONS          =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
+# compounds will be generated. Enable this if the project contains a lot of
+# classes, structs, unions or interfaces.
+# The default value is: YES.
+
+ALPHABETICAL_INDEX     = YES
+
+# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in
+# which the alphabetical index list will be split.
+# Minimum value: 1, maximum value: 20, default value: 5.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all classes will
+# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
+# can be used to specify a prefix (or a list of prefixes) that should be ignored
+# while generating the index headers.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+IGNORE_PREFIX          = 
+
+#---------------------------------------------------------------------------
+# Configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output
+# The default value is: YES.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_OUTPUT            = docs
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
+# generated HTML page (for example: .htm, .php, .asp).
+# The default value is: .html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
+# each generated HTML page. If the tag is left blank doxygen will generate a
+# standard header.
+#
+# To get valid HTML the header file that includes any scripts and style sheets
+# that doxygen needs, which is dependent on the configuration options used (e.g.
+# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
+# default header using
+# doxygen -w html new_header.html new_footer.html new_stylesheet.css
+# YourConfigFile
+# and then modify the file new_header.html. See also section "Doxygen usage"
+# for information on how to generate the default header that doxygen normally
+# uses.
+# Note: The header is subject to change so you typically have to regenerate the
+# default header when upgrading to a newer version of doxygen. For a description
+# of the possible markers and block names see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
+# generated HTML page. If the tag is left blank doxygen will generate a standard
+# footer. See HTML_HEADER for more information on how to generate a default
+# footer and what special commands can be used inside the footer. See also
+# section "Doxygen usage" for information on how to generate the default footer
+# that doxygen normally uses.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
+# sheet that is used by each HTML page. It can be used to fine-tune the look of
+# the HTML output. If left blank doxygen will generate a default style sheet.
+# See also section "Doxygen usage" for information on how to generate the style
+# sheet that doxygen normally uses.
+# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
+# it is more robust and this tag (HTML_STYLESHEET) will in the future become
+# obsolete.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# cascading style sheets that are included after the standard style sheets
+# created by doxygen. Using this option one can overrule certain style aspects.
+# This is preferred over using HTML_STYLESHEET since it does not replace the
+# standard style sheet and is therefore more robust against future updates.
+# Doxygen will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list). For an example see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_STYLESHEET  =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
+# files will be copied as-is; there are no commands or markers available.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
+# will adjust the colors in the style sheet and background images according to
+# this color. Hue is specified as an angle on a colorwheel, see
+# http://en.wikipedia.org/wiki/Hue for more information. For instance the value
+# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
+# purple, and 360 is red again.
+# Minimum value: 0, maximum value: 359, default value: 220.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
+# in the HTML output. For a value of 0 the output will use grayscales only. A
+# value of 255 will produce the most vivid colors.
+# Minimum value: 0, maximum value: 255, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
+# luminance component of the colors in the HTML output. Values below 100
+# gradually make the output lighter, whereas values above 100 make the output
+# darker. The value divided by 100 is the actual gamma applied, so 80 represents
+# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
+# change the gamma.
+# Minimum value: 40, maximum value: 240, default value: 80.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting this
+# to YES can help to show when doxygen was last run and thus if the
+# documentation is up to date.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_TIMESTAMP         = NO
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
+# shown in the various tree structured indices initially; the user can expand
+# and collapse entries dynamically later on. Doxygen will expand the tree to
+# such a level that at most the specified number of entries are visible (unless
+# a fully collapsed tree already exceeds this amount). So setting the number of
+# entries 1 will produce a full collapsed tree by default. 0 is a special value
+# representing an infinite number of entries and will result in a full expanded
+# tree by default.
+# Minimum value: 0, maximum value: 9999, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files will be
+# generated that can be used as input for Apple's Xcode 3 integrated development
+# environment (see: http://developer.apple.com/tools/xcode/), introduced with
+# OSX 10.5 (Leopard). To create a documentation set, doxygen will generate a
+# Makefile in the HTML output directory. Running make will produce the docset in
+# that directory and running make install will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
+# startup. See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
+# for more information.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_DOCSET        = NO
+
+# This tag determines the name of the docset feed. A documentation feed provides
+# an umbrella under which multiple documentation sets from a single provider
+# (such as a company or product suite) can be grouped.
+# The default value is: Doxygen generated docs.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# This tag specifies a string that should uniquely identify the documentation
+# set bundle. This should be a reverse domain-name style string, e.g.
+# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
+# the documentation publisher. This should be a reverse domain-name style
+# string, e.g. com.mycompany.MyDocSet.documentation.
+# The default value is: org.doxygen.Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
+# The default value is: Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
+# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
+# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
+# (see: http://www.microsoft.com/en-us/download/details.aspx?id=21138) on
+# Windows.
+#
+# The HTML Help Workshop contains a compiler that can convert all HTML output
+# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
+# files are now used as the Windows 98 help format, and will replace the old
+# Windows help format (.hlp) on all Windows platforms in the future. Compressed
+# HTML files also contain an index, a table of contents, and you can search for
+# words in the documentation. The HTML workshop also contains a viewer for
+# compressed HTML files.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_HTMLHELP      = NO
+
+# The CHM_FILE tag can be used to specify the file name of the resulting .chm
+# file. You can add a path in front of the file if the result should not be
+# written to the html output directory.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_FILE               =
+
+# The HHC_LOCATION tag can be used to specify the location (absolute path
+# including file name) of the HTML help compiler (hhc.exe). If non-empty,
+# doxygen will try to run the HTML help compiler on the generated index.hhp.
+# The file has to be specified with full path.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+HHC_LOCATION           =
+
+# The GENERATE_CHI flag controls if a separate .chi index file is generated
+# (YES) or that it should be included in the master .chm file (NO).
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+GENERATE_CHI           = NO
+
+# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc)
+# and project file content.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_INDEX_ENCODING     =
+
+# The BINARY_TOC flag controls whether a binary table of contents is generated
+# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it
+# enables the Previous and Next buttons.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members to
+# the table of contents of the HTML help documentation and to the tree view.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
+# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
+# (.qch) of the generated HTML documentation.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
+# the file name of the resulting .qch file. The path specified is relative to
+# the HTML output folder.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
+# Project output. For more information please see Qt Help Project / Namespace
+# (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#namespace).
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
+# Help Project output. For more information please see Qt Help Project / Virtual
+# Folders (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#virtual-
+# folders).
+# The default value is: doc.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
+# filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's filter section matches. Qt Help Project / Filter Attributes (see:
+# http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# The QHG_LOCATION tag can be used to specify the location of Qt's
+# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the
+# generated .qhp file.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
+# generated, together with the HTML files, they form an Eclipse help plugin. To
+# install this plugin and make it available under the help contents menu in
+# Eclipse, the contents of the directory containing the HTML and XML files needs
+# to be copied into the plugins directory of eclipse. The name of the directory
+# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
+# After copying Eclipse needs to be restarted before the help appears.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the Eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have this
+# name. Each documentation set should have its own identifier.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# If you want full control over the layout of the generated HTML pages it might
+# be necessary to disable the index and replace it with your own. The
+# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
+# of each HTML page. A value of NO enables the index and the value YES disables
+# it. Since the tabs in the index contain the same information as the navigation
+# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information. If the tag
+# value is set to YES, a side panel will be generated containing a tree-like
+# index structure (just like the one that is generated for HTML Help). For this
+# to work a browser that supports JavaScript, DHTML, CSS and frames is required
+# (i.e. any modern browser). Windows users are probably better off using the
+# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can
+# further fine-tune the look of the index. As an example, the default style
+# sheet generated by doxygen has an example that shows how to put an image at
+# the root of the tree instead of the PROJECT_NAME. Since the tree basically has
+# the same information as the tab index, you could consider setting
+# DISABLE_INDEX to YES when enabling this option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_TREEVIEW      = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
+# doxygen will group on one line in the generated HTML documentation.
+#
+# Note that a value of 0 will completely suppress the enum values from appearing
+# in the overview section.
+# Minimum value: 0, maximum value: 20, default value: 4.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
+# to set the initial width (in pixels) of the frame in which the tree is shown.
+# Minimum value: 0, maximum value: 1500, default value: 250.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+TREEVIEW_WIDTH         = 250
+
+# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to
+# external symbols imported via tag files in a separate window.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of LaTeX formulas included as images in
+# the HTML documentation. When you change the font size after a successful
+# doxygen run you need to manually remove any form_*.png images from the HTML
+# output directory to force them to be regenerated.
+# Minimum value: 8, maximum value: 50, default value: 10.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are not
+# supported properly for IE 6.0, but are supported on all modern browsers.
+#
+# Note that when changing this option you need to delete any form_*.png files in
+# the HTML output directory before the changes have effect.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_TRANSPARENT    = YES
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
+# http://www.mathjax.org) which uses client side Javascript for the rendering
+# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
+# installed or if you want to formulas look prettier in the HTML output. When
+# enabled you may also need to install MathJax separately and configure the path
+# to it using the MATHJAX_RELPATH option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+USE_MATHJAX            = NO
+
+# When MathJax is enabled you can set the default output format to be used for
+# the MathJax output. See the MathJax site (see:
+# http://docs.mathjax.org/en/latest/output.html) for more details.
+# Possible values are: HTML-CSS (which is slower, but has the best
+# compatibility), NativeMML (i.e. MathML) and SVG.
+# The default value is: HTML-CSS.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_FORMAT         = HTML-CSS
+
+# When MathJax is enabled you need to specify the location relative to the HTML
+# output directory using the MATHJAX_RELPATH option. The destination directory
+# should contain the MathJax.js script. For instance, if the mathjax directory
+# is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
+# Content Delivery Network so you can quickly see the result without installing
+# MathJax. However, it is strongly recommended to install a local copy of
+# MathJax from http://www.mathjax.org before deployment.
+# The default value is: http://cdn.mathjax.org/mathjax/latest.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
+# extension names that should be enabled during MathJax rendering. For example
+# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_EXTENSIONS     =
+
+# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
+# of code that will be used on startup of the MathJax code. See the MathJax site
+# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an
+# example see the documentation.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_CODEFILE       =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
+# the HTML output. The underlying search engine uses javascript and DHTML and
+# should work on any modern browser. Note that when using HTML help
+# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
+# there is already a search function so this one should typically be disabled.
+# For large projects the javascript based search engine can be slow, then
+# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
+# search using the keyboard; to jump to the search box use <access key> + S
+# (what the <access key> is depends on the OS and browser, but it is typically
+# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
+# key> to jump into the search results window, the results can be navigated
+# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
+# the search. The filter options can be selected when the cursor is inside the
+# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
+# to select a filter and <Enter> or <escape> to activate or cancel the filter
+# option.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+SEARCHENGINE           = YES
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a web server instead of a web client using Javascript. There
+# are two flavors of web server based searching depending on the EXTERNAL_SEARCH
+# setting. When disabled, doxygen will generate a PHP script for searching and
+# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing
+# and searching needs to be provided by external tools. See the section
+# "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SERVER_BASED_SEARCH    = NO
+
+# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
+# script for searching. Instead the search results are written to an XML file
+# which needs to be processed by an external indexer. Doxygen will invoke an
+# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
+# search results.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/).
+#
+# See the section "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH        = NO
+
+# The SEARCHENGINE_URL should point to a search engine hosted by a web server
+# which will return the search results when EXTERNAL_SEARCH is enabled.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/). See the section "External Indexing and
+# Searching" for details.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHENGINE_URL       =
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
+# search data is written to a file for indexing by an external tool. With the
+# SEARCHDATA_FILE tag the name of this file can be specified.
+# The default file is: searchdata.xml.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHDATA_FILE        = searchdata.xml
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
+# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
+# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
+# projects and redirect the results back to the right project.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH_ID     =
+
+# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
+# projects other than the one defined by this configuration file, but that are
+# all added to the same external search index. Each project needs to have a
+# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
+# to a relative location where the documentation can be found. The format is:
+# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTRA_SEARCH_MAPPINGS  =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES, doxygen will generate LaTeX output.
+# The default value is: YES.
+
+GENERATE_LATEX         = NO
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked.
+#
+# Note that when enabling USE_PDFLATEX this option is only used for generating
+# bitmaps for formulas in the HTML output, but not in the Makefile that is
+# written to the output directory.
+# The default file is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
+# index for LaTeX.
+# The default file is: makeindex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used by the
+# printer.
+# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
+# 14 inches) and executive (7.25 x 10.5 inches).
+# The default value is: a4.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PAPER_TYPE             = a4
+
+# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
+# that should be included in the LaTeX output. The package can be specified just
+# by its name or with the correct syntax as to be used with the LaTeX
+# \usepackage command. To get the times font for instance you can specify :
+# EXTRA_PACKAGES=times or EXTRA_PACKAGES={times}
+# To use the option intlimits with the amsmath package you can specify:
+# EXTRA_PACKAGES=[intlimits]{amsmath}
+# If left blank no extra packages will be included.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the
+# generated LaTeX document. The header should contain everything until the first
+# chapter. If it is left blank doxygen will generate a standard header. See
+# section "Doxygen usage" for information on how to let doxygen write the
+# default header to a separate file.
+#
+# Note: Only use a user-defined header if you know what you are doing! The
+# following commands have a special meaning inside the header: $title,
+# $datetime, $date, $doxygenversion, $projectname, $projectnumber,
+# $projectbrief, $projectlogo. Doxygen will replace $title with the empty
+# string, for the replacement values of the other commands the user is referred
+# to HTML_HEADER.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the
+# generated LaTeX document. The footer should contain everything after the last
+# chapter. If it is left blank doxygen will generate a standard footer. See
+# LATEX_HEADER for more information on how to generate a default footer and what
+# special commands can be used inside the footer.
+#
+# Note: Only use a user-defined footer if you know what you are doing!
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_FOOTER           =
+
+# The LATEX_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# LaTeX style sheets that are included after the standard style sheets created
+# by doxygen. Using this option one can overrule certain style aspects. Doxygen
+# will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list).
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_STYLESHEET =
+
+# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the LATEX_OUTPUT output
+# directory. Note that the files will be copied as-is; there are no commands or
+# markers available.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_FILES      =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
+# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
+# contain links (just like the HTML output) instead of page references. This
+# makes the output suitable for online browsing using a PDF viewer.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, doxygen will use pdflatex to generate
+# the PDF file directly from the LaTeX files. Set this option to YES, to get a
+# higher quality PDF documentation.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
+# command to the generated LaTeX files. This will instruct LaTeX to keep running
+# if errors occur, instead of asking the user for help. This option is also used
+# when generating formulas in HTML.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BATCHMODE        = NO
+
+# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
+# index chapters (such as File Index, Compound Index, etc.) in the output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HIDE_INDICES     = NO
+
+# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source
+# code with syntax highlighting in the LaTeX output.
+#
+# Note that which sources are shown also depends on other settings such as
+# SOURCE_BROWSER.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_SOURCE_CODE      = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. See
+# http://en.wikipedia.org/wiki/BibTeX and \cite for more info.
+# The default value is: plain.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BIB_STYLE        = plain
+
+# If the LATEX_TIMESTAMP tag is set to YES then the footer of each generated
+# page will contain the date and time when the page was generated. Setting this
+# to NO can help when comparing the output of multiple runs.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_TIMESTAMP        = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES, doxygen will generate RTF output. The
+# RTF output is optimized for Word 97 and may not look too pretty with other RTF
+# readers/editors.
+# The default value is: NO.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: rtf.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES, doxygen generates more compact RTF
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
+# contain hyperlink fields. The RTF file will contain links (just like the HTML
+# output) instead of page references. This makes the output suitable for online
+# browsing using Word or some other Word compatible readers that support those
+# fields.
+#
+# Note: WordPad (write) and others do not support links.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's config
+# file, i.e. a series of assignments. You only have to provide replacements,
+# missing definitions are set to their default value.
+#
+# See also section "Doxygen usage" for information on how to generate the
+# default style sheet that doxygen normally uses.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an RTF document. Syntax is
+# similar to doxygen's config file. A template extensions file can be generated
+# using doxygen -e rtf extensionFile.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_EXTENSIONS_FILE    =
+
+# If the RTF_SOURCE_CODE tag is set to YES then doxygen will include source code
+# with syntax highlighting in the RTF output.
+#
+# Note that which sources are shown also depends on other settings such as
+# SOURCE_BROWSER.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_SOURCE_CODE        = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES, doxygen will generate man pages for
+# classes and files.
+# The default value is: NO.
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it. A directory man3 will be created inside the directory specified by
+# MAN_OUTPUT.
+# The default directory is: man.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to the generated
+# man pages. In case the manual section does not start with a number, the number
+# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is
+# optional.
+# The default value is: .3.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_EXTENSION          = .3
+
+# The MAN_SUBDIR tag determines the name of the directory created within
+# MAN_OUTPUT in which the man pages are placed. If defaults to man followed by
+# MAN_EXTENSION with the initial . removed.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_SUBDIR             =
+
+# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
+# will generate one additional man file for each entity documented in the real
+# man page(s). These additional files only source the real man page, but without
+# them the man command would be unable to find the correct page.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES, doxygen will generate an XML file that
+# captures the structure of the code including all documentation.
+# The default value is: NO.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: xml.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_OUTPUT             = xml
+
+# If the XML_PROGRAMLISTING tag is set to YES, doxygen will dump the program
+# listings (including syntax highlighting and cross-referencing information) to
+# the XML output. Note that enabling this will significantly increase the size
+# of the XML output.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to the DOCBOOK output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_DOCBOOK tag is set to YES, doxygen will generate Docbook files
+# that can be used to generate PDF.
+# The default value is: NO.
+
+GENERATE_DOCBOOK       = NO
+
+# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in
+# front of it.
+# The default directory is: docbook.
+# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
+
+DOCBOOK_OUTPUT         = docbook
+
+# If the DOCBOOK_PROGRAMLISTING tag is set to YES, doxygen will include the
+# program listings (including syntax highlighting and cross-referencing
+# information) to the DOCBOOK output. Note that enabling this will significantly
+# increase the size of the DOCBOOK output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
+
+DOCBOOK_PROGRAMLISTING = NO
+
+#---------------------------------------------------------------------------
+# Configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an
+# AutoGen Definitions (see http://autogen.sf.net) file that captures the
+# structure of the code including all documentation. Note that this feature is
+# still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES, doxygen will generate a Perl module
+# file that captures the structure of the code including all documentation.
+#
+# Note that this feature is still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES, doxygen will generate the necessary
+# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI
+# output from the Perl module output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_PERLMOD is set to YES.
+
+PERLMOD_LATEX          = NO
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diff --git a/lib/Adafruit_BME680-1.0.5/README.md b/lib/Adafruit_BME680-1.0.5/README.md
new file mode 100644
index 000000000..3042f3941
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/README.md
@@ -0,0 +1,12 @@
+This is a library for the Adafruit BME680 Humidity, Barometric Pressure, Temp and MOX Gas sensor
+
+Designed specifically to work with the Adafruit BME680 Breakout 
+ * http://www.adafruit.com/products/3660
+
+These sensors use I2C or SPI to communicate, up to 4 pins are required to interface
+
+Adafruit invests time and resources providing this open source code, 
+please support Adafruit and open-source hardware by purchasing 
+products from Adafruit!
+
+Check out the links above for our tutorials and wiring diagrams 
diff --git a/lib/Adafruit_BME680-1.0.5/bme680.c b/lib/Adafruit_BME680-1.0.5/bme680.c
new file mode 100644
index 000000000..b68e20e6f
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/bme680.c
@@ -0,0 +1,1150 @@
+/**\mainpage
+ * Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of the copyright holder nor the names of the
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ * The information provided is believed to be accurate and reliable.
+ * The copyright holder assumes no responsibility
+ * for the consequences of use
+ * of such information nor for any infringement of patents or
+ * other rights of third parties which may result from its use.
+ * No license is granted by implication or otherwise under any patent or
+ * patent rights of the copyright holder.
+ *
+ * File		bme680.c
+ * @date	20 Nov 2017
+ * @version	3.5.5
+ *
+ */
+
+/*! @file bme680.c
+ @brief Sensor driver for BME680 sensor */
+#include "bme680.h"
+
+/**static variables */
+/**Look up table for the possible gas range values */
+uint32_t lookupTable1[16] = { UINT32_C(2147483647), UINT32_C(2147483647), UINT32_C(2147483647), UINT32_C(2147483647),
+	UINT32_C(2147483647), UINT32_C(2126008810), UINT32_C(2147483647), UINT32_C(2130303777), UINT32_C(2147483647),
+	UINT32_C(2147483647), UINT32_C(2143188679), UINT32_C(2136746228), UINT32_C(2147483647), UINT32_C(2126008810),
+	UINT32_C(2147483647), UINT32_C(2147483647) };
+/**Look up table for the possible gas range values */
+uint32_t lookupTable2[16] = { UINT32_C(4096000000), UINT32_C(2048000000), UINT32_C(1024000000), UINT32_C(512000000),
+	UINT32_C(255744255), UINT32_C(127110228), UINT32_C(64000000), UINT32_C(32258064), UINT32_C(16016016), UINT32_C(
+		8000000), UINT32_C(4000000), UINT32_C(2000000), UINT32_C(1000000), UINT32_C(500000), UINT32_C(250000),
+	UINT32_C(125000) };
+
+/*!
+ * @brief This internal API is used to read the calibrated data from the sensor.
+ *
+ * This function is used to retrieve the calibration
+ * data from the image registers of the sensor.
+ *
+ * @note Registers 89h  to A1h for calibration data 1 to 24
+ *        from bit 0 to 7
+ * @note Registers E1h to F0h for calibration data 25 to 40
+ *        from bit 0 to 7
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status.
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t get_calib_data(struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to set the gas configuration of the sensor.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status.
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t set_gas_config(struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to get the gas configuration of the sensor.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status.
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t get_gas_config(struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the Heat duration value.
+ *
+ * @param[in] dur	:Value of the duration to be shared.
+ *
+ * @return uint8_t threshold duration after calculation.
+ */
+static uint8_t calc_heater_dur(uint16_t dur);
+
+/*!
+ * @brief This internal API is used to calculate the temperature value.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ * @param[in] temp_adc	:Contains the temperature ADC value .
+ *
+ * @return uint32_t calculated temperature.
+ */
+static int16_t calc_temperature(uint32_t temp_adc, struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the pressure value.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ * @param[in] pres_adc	:Contains the pressure ADC value .
+ *
+ * @return uint32_t calculated pressure.
+ */
+static uint32_t calc_pressure(uint32_t pres_adc, const struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the humidity value.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ * @param[in] hum_adc	:Contains the humidity ADC value.
+ *
+ * @return uint32_t calculated humidity.
+ */
+static uint32_t calc_humidity(uint16_t hum_adc, const struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the Gas Resistance value.
+ *
+ * @param[in] dev		:Structure instance of bme680_dev.
+ * @param[in] gas_res_adc	:Contains the Gas Resistance ADC value.
+ * @param[in] gas_range		:Contains the range of gas values.
+ *
+ * @return uint32_t calculated gas resistance.
+ */
+static uint32_t calc_gas_resistance(uint16_t gas_res_adc, uint8_t gas_range, const struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the Heat Resistance value.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ * @param[in] temp	:Contains the temporary value.
+ *
+ * @return uint8_t calculated heater resistance.
+ */
+static uint8_t calc_heater_res(uint16_t temp, const struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to calculate the field data of sensor.
+ *
+ * @param[out] data :Structure instance to hold the data
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ *  @return int8_t result of the field data from sensor.
+ */
+static int8_t read_field_data(struct bme680_field_data *data, struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to set the memory page
+ * based on register address.
+ *
+ * The value of memory page
+ *  value  | Description
+ * --------|--------------
+ *   0     | BME680_PAGE0_SPI
+ *   1     | BME680_PAGE1_SPI
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ * @param[in] reg_addr	:Contains the register address array.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t set_mem_page(uint8_t reg_addr, struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to get the memory page based
+ * on register address.
+ *
+ * The value of memory page
+ *  value  | Description
+ * --------|--------------
+ *   0     | BME680_PAGE0_SPI
+ *   1     | BME680_PAGE1_SPI
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t get_mem_page(struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to validate the device pointer for
+ * null conditions.
+ *
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t null_ptr_check(const struct bme680_dev *dev);
+
+/*!
+ * @brief This internal API is used to check the boundary
+ * conditions.
+ *
+ * @param[in] value	:pointer to the value.
+ * @param[in] min	:minimum value.
+ * @param[in] max	:maximum value.
+ * @param[in] dev	:Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+static int8_t boundary_check(uint8_t *value, uint8_t min, uint8_t max, struct bme680_dev *dev);
+
+/****************** Global Function Definitions *******************************/
+/*!
+ *@brief This API is the entry point.
+ *It reads the chip-id and calibration data from the sensor.
+ */
+int8_t bme680_init(struct bme680_dev *dev)
+{
+	int8_t rslt;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		/* Soft reset to restore it to default values*/
+		rslt = bme680_soft_reset(dev);
+		if (rslt == BME680_OK) {
+			rslt = bme680_get_regs(BME680_CHIP_ID_ADDR, &dev->chip_id, 1, dev);
+			if (rslt == BME680_OK) {
+				if (dev->chip_id == BME680_CHIP_ID) {
+					/* Get the Calibration data */
+					rslt = get_calib_data(dev);
+				} else {
+					rslt = BME680_E_DEV_NOT_FOUND;
+				}
+			}
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API reads the data from the given register address of the sensor.
+ */
+int8_t bme680_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct bme680_dev *dev)
+{
+	int8_t rslt;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if (dev->intf == BME680_SPI_INTF) {
+			/* Set the memory page */
+			rslt = set_mem_page(reg_addr, dev);
+			if (rslt == BME680_OK)
+				reg_addr = reg_addr | BME680_SPI_RD_MSK;
+		}
+		dev->com_rslt = dev->read(dev->dev_id, reg_addr, reg_data, len);
+		if (dev->com_rslt != 0)
+			rslt = BME680_E_COM_FAIL;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API writes the given data to the register address
+ * of the sensor.
+ */
+int8_t bme680_set_regs(const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct bme680_dev *dev)
+{
+	int8_t rslt;
+	/* Length of the temporary buffer is 2*(length of register)*/
+	uint8_t tmp_buff[BME680_TMP_BUFFER_LENGTH] = { 0 };
+	uint16_t index;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if ((len > 0) && (len < BME680_TMP_BUFFER_LENGTH / 2)) {
+			/* Interleave the 2 arrays */
+			for (index = 0; index < len; index++) {
+				if (dev->intf == BME680_SPI_INTF) {
+					/* Set the memory page */
+					rslt = set_mem_page(reg_addr[index], dev);
+					tmp_buff[(2 * index)] = reg_addr[index] & BME680_SPI_WR_MSK;
+				} else {
+					tmp_buff[(2 * index)] = reg_addr[index];
+				}
+				tmp_buff[(2 * index) + 1] = reg_data[index];
+			}
+			/* Write the interleaved array */
+			if (rslt == BME680_OK) {
+				dev->com_rslt = dev->write(dev->dev_id, tmp_buff[0], &tmp_buff[1], (2 * len) - 1);
+				if (dev->com_rslt != 0)
+					rslt = BME680_E_COM_FAIL;
+			}
+		} else {
+			rslt = BME680_E_INVALID_LENGTH;
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API performs the soft reset of the sensor.
+ */
+int8_t bme680_soft_reset(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t reg_addr = BME680_SOFT_RESET_ADDR;
+	/* 0xb6 is the soft reset command */
+	uint8_t soft_rst_cmd = BME680_SOFT_RESET_CMD;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if (dev->intf == BME680_SPI_INTF)
+			rslt = get_mem_page(dev);
+
+		/* Reset the device */
+		if (rslt == BME680_OK) {
+			rslt = bme680_set_regs(&reg_addr, &soft_rst_cmd, 1, dev);
+			/* Wait for 5ms */
+			dev->delay_ms(BME680_RESET_PERIOD);
+
+			if (rslt == BME680_OK) {
+				/* After reset get the memory page */
+				if (dev->intf == BME680_SPI_INTF)
+					rslt = get_mem_page(dev);
+			}
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API is used to set the oversampling, filter and T,P,H, gas selection
+ * settings in the sensor.
+ */
+int8_t bme680_set_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t reg_addr;
+	uint8_t data = 0;
+	uint8_t count = 0;
+	uint8_t reg_array[BME680_REG_BUFFER_LENGTH] = { 0 };
+	uint8_t data_array[BME680_REG_BUFFER_LENGTH] = { 0 };
+	uint8_t intended_power_mode = dev->power_mode; /* Save intended power mode */
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if (desired_settings & BME680_GAS_MEAS_SEL)
+			rslt = set_gas_config(dev);
+
+		dev->power_mode = BME680_SLEEP_MODE;
+		if (rslt == BME680_OK)
+			rslt = bme680_set_sensor_mode(dev);
+
+		/* Selecting the filter */
+		if (desired_settings & BME680_FILTER_SEL) {
+			rslt = boundary_check(&dev->tph_sett.filter, BME680_FILTER_SIZE_0, BME680_FILTER_SIZE_127, dev);
+			reg_addr = BME680_CONF_ODR_FILT_ADDR;
+
+			if (rslt == BME680_OK)
+				rslt = bme680_get_regs(reg_addr, &data, 1, dev);
+
+			if (desired_settings & BME680_FILTER_SEL)
+				data = BME680_SET_BITS(data, BME680_FILTER, dev->tph_sett.filter);
+
+			reg_array[count] = reg_addr; /* Append configuration */
+			data_array[count] = data;
+			count++;
+		}
+
+		/* Selecting heater control for the sensor */
+		if (desired_settings & BME680_HCNTRL_SEL) {
+			rslt = boundary_check(&dev->gas_sett.heatr_ctrl, BME680_ENABLE_HEATER,
+				BME680_DISABLE_HEATER, dev);
+			reg_addr = BME680_CONF_HEAT_CTRL_ADDR;
+
+			if (rslt == BME680_OK)
+				rslt = bme680_get_regs(reg_addr, &data, 1, dev);
+			data = BME680_SET_BITS_POS_0(data, BME680_HCTRL, dev->gas_sett.heatr_ctrl);
+
+			reg_array[count] = reg_addr; /* Append configuration */
+			data_array[count] = data;
+			count++;
+		}
+
+		/* Selecting heater T,P oversampling for the sensor */
+		if (desired_settings & (BME680_OST_SEL | BME680_OSP_SEL)) {
+			rslt = boundary_check(&dev->tph_sett.os_temp, BME680_OS_NONE, BME680_OS_16X, dev);
+			reg_addr = BME680_CONF_T_P_MODE_ADDR;
+
+			if (rslt == BME680_OK)
+				rslt = bme680_get_regs(reg_addr, &data, 1, dev);
+
+			if (desired_settings & BME680_OST_SEL)
+				data = BME680_SET_BITS(data, BME680_OST, dev->tph_sett.os_temp);
+
+			if (desired_settings & BME680_OSP_SEL)
+				data = BME680_SET_BITS(data, BME680_OSP, dev->tph_sett.os_pres);
+
+			reg_array[count] = reg_addr;
+			data_array[count] = data;
+			count++;
+		}
+
+		/* Selecting humidity oversampling for the sensor */
+		if (desired_settings & BME680_OSH_SEL) {
+			rslt = boundary_check(&dev->tph_sett.os_hum, BME680_OS_NONE, BME680_OS_16X, dev);
+			reg_addr = BME680_CONF_OS_H_ADDR;
+
+			if (rslt == BME680_OK)
+				rslt = bme680_get_regs(reg_addr, &data, 1, dev);
+			data = BME680_SET_BITS_POS_0(data, BME680_OSH, dev->tph_sett.os_hum);
+
+			reg_array[count] = reg_addr; /* Append configuration */
+			data_array[count] = data;
+			count++;
+		}
+
+		/* Selecting the runGas and NB conversion settings for the sensor */
+		if (desired_settings & (BME680_RUN_GAS_SEL | BME680_NBCONV_SEL)) {
+			rslt = boundary_check(&dev->gas_sett.run_gas, BME680_RUN_GAS_DISABLE,
+				BME680_RUN_GAS_ENABLE, dev);
+			if (rslt == BME680_OK) {
+				/* Validate boundary conditions */
+				rslt = boundary_check(&dev->gas_sett.nb_conv, BME680_NBCONV_MIN,
+					BME680_NBCONV_MAX, dev);
+			}
+
+			reg_addr = BME680_CONF_ODR_RUN_GAS_NBC_ADDR;
+
+			if (rslt == BME680_OK)
+				rslt = bme680_get_regs(reg_addr, &data, 1, dev);
+
+			if (desired_settings & BME680_RUN_GAS_SEL)
+				data = BME680_SET_BITS(data, BME680_RUN_GAS, dev->gas_sett.run_gas);
+
+			if (desired_settings & BME680_NBCONV_SEL)
+				data = BME680_SET_BITS_POS_0(data, BME680_NBCONV, dev->gas_sett.nb_conv);
+
+			reg_array[count] = reg_addr; /* Append configuration */
+			data_array[count] = data;
+			count++;
+		}
+
+		if (rslt == BME680_OK)
+			rslt = bme680_set_regs(reg_array, data_array, count, dev);
+
+		/* Restore previous intended power mode */
+		dev->power_mode = intended_power_mode;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API is used to get the oversampling, filter and T,P,H, gas selection
+ * settings in the sensor.
+ */
+int8_t bme680_get_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev)
+{
+	int8_t rslt;
+	/* starting address of the register array for burst read*/
+	uint8_t reg_addr = BME680_CONF_HEAT_CTRL_ADDR;
+	uint8_t data_array[BME680_REG_BUFFER_LENGTH] = { 0 };
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		rslt = bme680_get_regs(reg_addr, data_array, BME680_REG_BUFFER_LENGTH, dev);
+
+		if (rslt == BME680_OK) {
+			if (desired_settings & BME680_GAS_MEAS_SEL)
+				rslt = get_gas_config(dev);
+
+			/* get the T,P,H ,Filter,ODR settings here */
+			if (desired_settings & BME680_FILTER_SEL)
+				dev->tph_sett.filter = BME680_GET_BITS(data_array[BME680_REG_FILTER_INDEX],
+					BME680_FILTER);
+
+			if (desired_settings & (BME680_OST_SEL | BME680_OSP_SEL)) {
+				dev->tph_sett.os_temp = BME680_GET_BITS(data_array[BME680_REG_TEMP_INDEX], BME680_OST);
+				dev->tph_sett.os_pres = BME680_GET_BITS(data_array[BME680_REG_PRES_INDEX], BME680_OSP);
+			}
+
+			if (desired_settings & BME680_OSH_SEL)
+				dev->tph_sett.os_hum = BME680_GET_BITS_POS_0(data_array[BME680_REG_HUM_INDEX],
+					BME680_OSH);
+
+			/* get the gas related settings */
+			if (desired_settings & BME680_HCNTRL_SEL)
+				dev->gas_sett.heatr_ctrl = BME680_GET_BITS_POS_0(data_array[BME680_REG_HCTRL_INDEX],
+					BME680_HCTRL);
+
+			if (desired_settings & (BME680_RUN_GAS_SEL | BME680_NBCONV_SEL)) {
+				dev->gas_sett.nb_conv = BME680_GET_BITS_POS_0(data_array[BME680_REG_NBCONV_INDEX],
+					BME680_NBCONV);
+				dev->gas_sett.run_gas = BME680_GET_BITS(data_array[BME680_REG_RUN_GAS_INDEX],
+					BME680_RUN_GAS);
+			}
+		}
+	} else {
+		rslt = BME680_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API is used to set the power mode of the sensor.
+ */
+int8_t bme680_set_sensor_mode(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t tmp_pow_mode;
+	uint8_t pow_mode = 0;
+	uint8_t reg_addr = BME680_CONF_T_P_MODE_ADDR;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		/* Call recursively until in sleep */
+		do {
+			rslt = bme680_get_regs(BME680_CONF_T_P_MODE_ADDR, &tmp_pow_mode, 1, dev);
+			if (rslt == BME680_OK) {
+				/* Put to sleep before changing mode */
+				pow_mode = (tmp_pow_mode & BME680_MODE_MSK);
+
+				if (pow_mode != BME680_SLEEP_MODE) {
+					tmp_pow_mode = tmp_pow_mode & (~BME680_MODE_MSK); /* Set to sleep */
+					rslt = bme680_set_regs(&reg_addr, &tmp_pow_mode, 1, dev);
+					dev->delay_ms(BME680_POLL_PERIOD_MS);
+				}
+			}
+		} while (pow_mode != BME680_SLEEP_MODE);
+
+		/* Already in sleep */
+		if (dev->power_mode != BME680_SLEEP_MODE) {
+			tmp_pow_mode = (tmp_pow_mode & ~BME680_MODE_MSK) | (dev->power_mode & BME680_MODE_MSK);
+			if (rslt == BME680_OK)
+				rslt = bme680_set_regs(&reg_addr, &tmp_pow_mode, 1, dev);
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API is used to get the power mode of the sensor.
+ */
+int8_t bme680_get_sensor_mode(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t mode;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		rslt = bme680_get_regs(BME680_CONF_T_P_MODE_ADDR, &mode, 1, dev);
+		/* Masking the other register bit info*/
+		dev->power_mode = mode & BME680_MODE_MSK;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This API is used to set the profile duration of the sensor.
+ */
+void bme680_set_profile_dur(uint16_t duration, struct bme680_dev *dev)
+{
+	uint32_t tph_dur; /* Calculate in us */
+	uint32_t meas_cycles;
+	uint8_t os_to_meas_cycles[6] = {0, 1, 2, 4, 8, 16};
+
+	meas_cycles = os_to_meas_cycles[dev->tph_sett.os_temp];
+	meas_cycles += os_to_meas_cycles[dev->tph_sett.os_pres];
+	meas_cycles += os_to_meas_cycles[dev->tph_sett.os_hum];
+
+	/* TPH measurement duration */
+	tph_dur = meas_cycles * UINT32_C(1963);
+	tph_dur += UINT32_C(477 * 4); /* TPH switching duration */
+	tph_dur += UINT32_C(477 * 5); /* Gas measurement duration */
+	tph_dur += UINT32_C(500); /* Get it to the closest whole number.*/
+	tph_dur /= UINT32_C(1000); /* Convert to ms */
+
+	tph_dur += UINT32_C(1); /* Wake up duration of 1ms */
+	/* The remaining time should be used for heating */
+	dev->gas_sett.heatr_dur = duration - (uint16_t) tph_dur;
+}
+
+/*!
+ * @brief This API is used to get the profile duration of the sensor.
+ */
+void bme680_get_profile_dur(uint16_t *duration, const struct bme680_dev *dev)
+{
+	uint32_t tph_dur; /* Calculate in us */
+	uint32_t meas_cycles;
+	uint8_t os_to_meas_cycles[6] = {0, 1, 2, 4, 8, 16};
+
+	meas_cycles = os_to_meas_cycles[dev->tph_sett.os_temp];
+	meas_cycles += os_to_meas_cycles[dev->tph_sett.os_pres];
+	meas_cycles += os_to_meas_cycles[dev->tph_sett.os_hum];
+
+	/* TPH measurement duration */
+	tph_dur = meas_cycles * UINT32_C(1963);
+	tph_dur += UINT32_C(477 * 4); /* TPH switching duration */
+	tph_dur += UINT32_C(477 * 5); /* Gas measurement duration */
+	tph_dur += UINT32_C(500); /* Get it to the closest whole number.*/
+	tph_dur /= UINT32_C(1000); /* Convert to ms */
+
+	tph_dur += UINT32_C(1); /* Wake up duration of 1ms */
+
+	*duration = (uint16_t) tph_dur;
+
+	/* Get the gas duration only when the run gas is enabled */
+	if (dev->gas_sett.run_gas) {
+		/* The remaining time should be used for heating */
+		*duration += dev->gas_sett.heatr_dur;
+	}
+}
+
+/*!
+ * @brief This API reads the pressure, temperature and humidity and gas data
+ * from the sensor, compensates the data and store it in the bme680_data
+ * structure instance passed by the user.
+ */
+int8_t bme680_get_sensor_data(struct bme680_field_data *data, struct bme680_dev *dev)
+{
+	int8_t rslt;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		/* Reading the sensor data in forced mode only */
+		rslt = read_field_data(data, dev);
+		if (rslt == BME680_OK) {
+			if (data->status & BME680_NEW_DATA_MSK)
+				dev->new_fields = 1;
+			else
+				dev->new_fields = 0;
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to read the calibrated data from the sensor.
+ */
+static int8_t get_calib_data(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t coeff_array[BME680_COEFF_SIZE] = { 0 };
+	uint8_t temp_var = 0; /* Temporary variable */
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		rslt = bme680_get_regs(BME680_COEFF_ADDR1, coeff_array, BME680_COEFF_ADDR1_LEN, dev);
+		/* Append the second half in the same array */
+		if (rslt == BME680_OK)
+			rslt = bme680_get_regs(BME680_COEFF_ADDR2, &coeff_array[BME680_COEFF_ADDR1_LEN]
+			, BME680_COEFF_ADDR2_LEN, dev);
+
+		/* Temperature related coefficients */
+		dev->calib.par_t1 = (uint16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_T1_MSB_REG],
+			coeff_array[BME680_T1_LSB_REG]));
+		dev->calib.par_t2 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_T2_MSB_REG],
+			coeff_array[BME680_T2_LSB_REG]));
+		dev->calib.par_t3 = (int8_t) (coeff_array[BME680_T3_REG]);
+
+		/* Pressure related coefficients */
+		dev->calib.par_p1 = (uint16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P1_MSB_REG],
+			coeff_array[BME680_P1_LSB_REG]));
+		dev->calib.par_p2 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P2_MSB_REG],
+			coeff_array[BME680_P2_LSB_REG]));
+		dev->calib.par_p3 = (int8_t) coeff_array[BME680_P3_REG];
+		dev->calib.par_p4 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P4_MSB_REG],
+			coeff_array[BME680_P4_LSB_REG]));
+		dev->calib.par_p5 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P5_MSB_REG],
+			coeff_array[BME680_P5_LSB_REG]));
+		dev->calib.par_p6 = (int8_t) (coeff_array[BME680_P6_REG]);
+		dev->calib.par_p7 = (int8_t) (coeff_array[BME680_P7_REG]);
+		dev->calib.par_p8 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P8_MSB_REG],
+			coeff_array[BME680_P8_LSB_REG]));
+		dev->calib.par_p9 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_P9_MSB_REG],
+			coeff_array[BME680_P9_LSB_REG]));
+		dev->calib.par_p10 = (uint8_t) (coeff_array[BME680_P10_REG]);
+
+		/* Humidity related coefficients */
+		dev->calib.par_h1 = (uint16_t) (((uint16_t) coeff_array[BME680_H1_MSB_REG] << BME680_HUM_REG_SHIFT_VAL)
+			| (coeff_array[BME680_H1_LSB_REG] & BME680_BIT_H1_DATA_MSK));
+		dev->calib.par_h2 = (uint16_t) (((uint16_t) coeff_array[BME680_H2_MSB_REG] << BME680_HUM_REG_SHIFT_VAL)
+			| ((coeff_array[BME680_H2_LSB_REG]) >> BME680_HUM_REG_SHIFT_VAL));
+		dev->calib.par_h3 = (int8_t) coeff_array[BME680_H3_REG];
+		dev->calib.par_h4 = (int8_t) coeff_array[BME680_H4_REG];
+		dev->calib.par_h5 = (int8_t) coeff_array[BME680_H5_REG];
+		dev->calib.par_h6 = (uint8_t) coeff_array[BME680_H6_REG];
+		dev->calib.par_h7 = (int8_t) coeff_array[BME680_H7_REG];
+
+		/* Gas heater related coefficients */
+		dev->calib.par_gh1 = (int8_t) coeff_array[BME680_GH1_REG];
+		dev->calib.par_gh2 = (int16_t) (BME680_CONCAT_BYTES(coeff_array[BME680_GH2_MSB_REG],
+			coeff_array[BME680_GH2_LSB_REG]));
+		dev->calib.par_gh3 = (int8_t) coeff_array[BME680_GH3_REG];
+
+		/* Other coefficients */
+		if (rslt == BME680_OK) {
+			rslt = bme680_get_regs(BME680_ADDR_RES_HEAT_RANGE_ADDR, &temp_var, 1, dev);
+
+			dev->calib.res_heat_range = ((temp_var & BME680_RHRANGE_MSK) / 16);
+			if (rslt == BME680_OK) {
+				rslt = bme680_get_regs(BME680_ADDR_RES_HEAT_VAL_ADDR, &temp_var, 1, dev);
+
+				dev->calib.res_heat_val = (int8_t) temp_var;
+				if (rslt == BME680_OK)
+					rslt = bme680_get_regs(BME680_ADDR_RANGE_SW_ERR_ADDR, &temp_var, 1, dev);
+			}
+		}
+		dev->calib.range_sw_err = ((int8_t) temp_var & (int8_t) BME680_RSERROR_MSK) / 16;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to set the gas configuration of the sensor.
+ */
+static int8_t set_gas_config(struct bme680_dev *dev)
+{
+	int8_t rslt;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+
+		uint8_t reg_addr[2] = {0};
+		uint8_t reg_data[2] = {0};
+
+		if (dev->power_mode == BME680_FORCED_MODE) {
+			reg_addr[0] = BME680_RES_HEAT0_ADDR;
+			reg_data[0] = calc_heater_res(dev->gas_sett.heatr_temp, dev);
+			reg_addr[1] = BME680_GAS_WAIT0_ADDR;
+			reg_data[1] = calc_heater_dur(dev->gas_sett.heatr_dur);
+			dev->gas_sett.nb_conv = 0;
+		} else {
+			rslt = BME680_W_DEFINE_PWR_MODE;
+		}
+		if (rslt == BME680_OK)
+			rslt = bme680_set_regs(reg_addr, reg_data, 2, dev);
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to get the gas configuration of the sensor.
+ */
+static int8_t get_gas_config(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	/* starting address of the register array for burst read*/
+	uint8_t reg_addr1 = BME680_ADDR_SENS_CONF_START;
+	uint8_t reg_addr2 = BME680_ADDR_GAS_CONF_START;
+	uint8_t data_array[BME680_GAS_HEATER_PROF_LEN_MAX] = { 0 };
+	uint8_t index;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if (BME680_SPI_INTF == dev->intf) {
+			/* Memory page switch the SPI address*/
+			rslt = set_mem_page(reg_addr1, dev);
+		}
+
+		if (rslt == BME680_OK) {
+			rslt = bme680_get_regs(reg_addr1, data_array, BME680_GAS_HEATER_PROF_LEN_MAX, dev);
+			if (rslt == BME680_OK) {
+				for (index = 0; index < BME680_GAS_HEATER_PROF_LEN_MAX; index++)
+					dev->gas_sett.heatr_temp = data_array[index];
+			}
+
+			rslt = bme680_get_regs(reg_addr2, data_array, BME680_GAS_HEATER_PROF_LEN_MAX, dev);
+			if (rslt == BME680_OK) {
+				for (index = 0; index < BME680_GAS_HEATER_PROF_LEN_MAX; index++)
+					dev->gas_sett.heatr_dur = data_array[index];
+			}
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to calculate the temperature value.
+ */
+static int16_t calc_temperature(uint32_t temp_adc, struct bme680_dev *dev)
+{
+	int64_t var1;
+	int64_t var2;
+	int64_t var3;
+	int16_t calc_temp;
+
+	var1 = ((int32_t) temp_adc >> 3) - ((int32_t) dev->calib.par_t1 << 1);
+	var2 = (var1 * (int32_t) dev->calib.par_t2) >> 11;
+	var3 = ((var1 >> 1) * (var1 >> 1)) >> 12;
+	var3 = ((var3) * ((int32_t) dev->calib.par_t3 << 4)) >> 14;
+	dev->calib.t_fine = (int32_t) (var2 + var3);
+	calc_temp = (int16_t) (((dev->calib.t_fine * 5) + 128) >> 8);
+
+	return calc_temp;
+}
+
+/*!
+ * @brief This internal API is used to calculate the pressure value.
+ */
+static uint32_t calc_pressure(uint32_t pres_adc, const struct bme680_dev *dev)
+{
+	int32_t var1 = 0;
+	int32_t var2 = 0;
+	int32_t var3 = 0;
+	int32_t var4 = 0;
+	int32_t pressure_comp = 0;
+
+	var1 = (((int32_t)dev->calib.t_fine) >> 1) - 64000;
+	var2 = ((((var1 >> 2) * (var1 >> 2)) >> 11) *
+		(int32_t)dev->calib.par_p6) >> 2;
+	var2 = var2 + ((var1 * (int32_t)dev->calib.par_p5) << 1);
+	var2 = (var2 >> 2) + ((int32_t)dev->calib.par_p4 << 16);
+	var1 = (((((var1 >> 2) * (var1 >> 2)) >> 13) *
+		((int32_t)dev->calib.par_p3 << 5)) >> 3) +
+		(((int32_t)dev->calib.par_p2 * var1) >> 1);
+	var1 = var1 >> 18;
+	var1 = ((32768 + var1) * (int32_t)dev->calib.par_p1) >> 15;
+	pressure_comp = 1048576 - pres_adc;
+	pressure_comp = (int32_t)((pressure_comp - (var2 >> 12)) * ((uint32_t)3125));
+	var4 = (1 << 31);
+	if (pressure_comp >= var4)
+		pressure_comp = ((pressure_comp / (uint32_t)var1) << 1);
+	else
+		pressure_comp = ((pressure_comp << 1) / (uint32_t)var1);
+	var1 = ((int32_t)dev->calib.par_p9 * (int32_t)(((pressure_comp >> 3) *
+		(pressure_comp >> 3)) >> 13)) >> 12;
+	var2 = ((int32_t)(pressure_comp >> 2) *
+		(int32_t)dev->calib.par_p8) >> 13;
+	var3 = ((int32_t)(pressure_comp >> 8) * (int32_t)(pressure_comp >> 8) *
+		(int32_t)(pressure_comp >> 8) *
+		(int32_t)dev->calib.par_p10) >> 17;
+
+	pressure_comp = (int32_t)(pressure_comp) + ((var1 + var2 + var3 +
+		((int32_t)dev->calib.par_p7 << 7)) >> 4);
+
+	return (uint32_t)pressure_comp;
+
+}
+
+/*!
+ * @brief This internal API is used to calculate the humidity value.
+ */
+static uint32_t calc_humidity(uint16_t hum_adc, const struct bme680_dev *dev)
+{
+	int32_t var1;
+	int32_t var2;
+	int32_t var3;
+	int32_t var4;
+	int32_t var5;
+	int32_t var6;
+	int32_t temp_scaled;
+	int32_t calc_hum;
+
+	temp_scaled = (((int32_t) dev->calib.t_fine * 5) + 128) >> 8;
+	var1 = (int32_t) (hum_adc - ((int32_t) ((int32_t) dev->calib.par_h1 * 16)))
+		- (((temp_scaled * (int32_t) dev->calib.par_h3) / ((int32_t) 100)) >> 1);
+	var2 = ((int32_t) dev->calib.par_h2
+		* (((temp_scaled * (int32_t) dev->calib.par_h4) / ((int32_t) 100))
+			+ (((temp_scaled * ((temp_scaled * (int32_t) dev->calib.par_h5) / ((int32_t) 100))) >> 6)
+				/ ((int32_t) 100)) + (int32_t) (1 << 14))) >> 10;
+	var3 = var1 * var2;
+	var4 = (int32_t) dev->calib.par_h6 << 7;
+	var4 = ((var4) + ((temp_scaled * (int32_t) dev->calib.par_h7) / ((int32_t) 100))) >> 4;
+	var5 = ((var3 >> 14) * (var3 >> 14)) >> 10;
+	var6 = (var4 * var5) >> 1;
+	calc_hum = (((var3 + var6) >> 10) * ((int32_t) 1000)) >> 12;
+
+	if (calc_hum > 100000) /* Cap at 100%rH */
+		calc_hum = 100000;
+	else if (calc_hum < 0)
+		calc_hum = 0;
+
+	return (uint32_t) calc_hum;
+}
+
+/*!
+ * @brief This internal API is used to calculate the Gas Resistance value.
+ */
+static uint32_t calc_gas_resistance(uint16_t gas_res_adc, uint8_t gas_range, const struct bme680_dev *dev)
+{
+	int64_t var1;
+	uint64_t var2;
+	int64_t var3;
+	uint32_t calc_gas_res;
+
+	var1 = (int64_t) ((1340 + (5 * (int64_t) dev->calib.range_sw_err)) *
+		((int64_t) lookupTable1[gas_range])) >> 16;
+	var2 = (((int64_t) ((int64_t) gas_res_adc << 15) - (int64_t) (16777216)) + var1);
+	var3 = (((int64_t) lookupTable2[gas_range] * (int64_t) var1) >> 9);
+	calc_gas_res = (uint32_t) ((var3 + ((int64_t) var2 >> 1)) / (int64_t) var2);
+
+	return calc_gas_res;
+}
+
+/*!
+ * @brief This internal API is used to calculate the Heat Resistance value.
+ */
+static uint8_t calc_heater_res(uint16_t temp, const struct bme680_dev *dev)
+{
+	uint8_t heatr_res;
+	int32_t var1;
+	int32_t var2;
+	int32_t var3;
+	int32_t var4;
+	int32_t var5;
+	int32_t heatr_res_x100;
+
+	if (temp < 200) /* Cap temperature */
+		temp = 200;
+	else if (temp > 400)
+		temp = 400;
+
+	var1 = (((int32_t) dev->amb_temp * dev->calib.par_gh3) / 1000) * 256;
+	var2 = (dev->calib.par_gh1 + 784) * (((((dev->calib.par_gh2 + 154009) * temp * 5) / 100) + 3276800) / 10);
+	var3 = var1 + (var2 / 2);
+	var4 = (var3 / (dev->calib.res_heat_range + 4));
+	var5 = (131 * dev->calib.res_heat_val) + 65536;
+	heatr_res_x100 = (int32_t) (((var4 / var5) - 250) * 34);
+	heatr_res = (uint8_t) ((heatr_res_x100 + 50) / 100);
+
+	return heatr_res;
+}
+
+/*!
+ * @brief This internal API is used to calculate the Heat duration value.
+ */
+static uint8_t calc_heater_dur(uint16_t dur)
+{
+	uint8_t factor = 0;
+	uint8_t durval;
+
+	if (dur >= 0xfc0) {
+		durval = 0xff; /* Max duration*/
+	} else {
+		while (dur > 0x3F) {
+			dur = dur / 4;
+			factor += 1;
+		}
+		durval = (uint8_t) (dur + (factor * 64));
+	}
+
+	return durval;
+}
+
+/*!
+ * @brief This internal API is used to calculate the field data of sensor.
+ */
+static int8_t read_field_data(struct bme680_field_data *data, struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t buff[BME680_FIELD_LENGTH] = { 0 };
+	uint8_t gas_range;
+	uint32_t adc_temp;
+	uint32_t adc_pres;
+	uint16_t adc_hum;
+	uint16_t adc_gas_res;
+	uint8_t tries = 10;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	do {
+		if (rslt == BME680_OK) {
+			rslt = bme680_get_regs(((uint8_t) (BME680_FIELD0_ADDR)), buff, (uint16_t) BME680_FIELD_LENGTH,
+				dev);
+
+			data->status = buff[0] & BME680_NEW_DATA_MSK;
+			data->gas_index = buff[0] & BME680_GAS_INDEX_MSK;
+			data->meas_index = buff[1];
+
+			/* read the raw data from the sensor */
+			adc_pres = (uint32_t) (((uint32_t) buff[2] * 4096) | ((uint32_t) buff[3] * 16)
+				| ((uint32_t) buff[4] / 16));
+			adc_temp = (uint32_t) (((uint32_t) buff[5] * 4096) | ((uint32_t) buff[6] * 16)
+				| ((uint32_t) buff[7] / 16));
+			adc_hum = (uint16_t) (((uint32_t) buff[8] * 256) | (uint32_t) buff[9]);
+			adc_gas_res = (uint16_t) ((uint32_t) buff[13] * 4 | (((uint32_t) buff[14]) / 64));
+			gas_range = buff[14] & BME680_GAS_RANGE_MSK;
+
+			data->status |= buff[14] & BME680_GASM_VALID_MSK;
+			data->status |= buff[14] & BME680_HEAT_STAB_MSK;
+
+			if (data->status & BME680_NEW_DATA_MSK) {
+				data->temperature = calc_temperature(adc_temp, dev);
+				data->pressure = calc_pressure(adc_pres, dev);
+				data->humidity = calc_humidity(adc_hum, dev);
+				data->gas_resistance = calc_gas_resistance(adc_gas_res, gas_range, dev);
+				break;
+			}
+			/* Delay to poll the data */
+			dev->delay_ms(BME680_POLL_PERIOD_MS);
+		}
+		tries--;
+	} while (tries);
+
+	if (!tries)
+		rslt = BME680_W_NO_NEW_DATA;
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to set the memory page based on register address.
+ */
+static int8_t set_mem_page(uint8_t reg_addr, struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t reg;
+	uint8_t mem_page;
+
+	/* Check for null pointers in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		if (reg_addr > 0x7f)
+			mem_page = BME680_MEM_PAGE1;
+		else
+			mem_page = BME680_MEM_PAGE0;
+
+		if (mem_page != dev->mem_page) {
+			dev->mem_page = mem_page;
+
+			dev->com_rslt = dev->read(dev->dev_id, BME680_MEM_PAGE_ADDR | BME680_SPI_RD_MSK, &reg, 1);
+			if (dev->com_rslt != 0)
+				rslt = BME680_E_COM_FAIL;
+
+			if (rslt == BME680_OK) {
+				reg = reg & (~BME680_MEM_PAGE_MSK);
+				reg = reg | (dev->mem_page & BME680_MEM_PAGE_MSK);
+
+				dev->com_rslt = dev->write(dev->dev_id, BME680_MEM_PAGE_ADDR & BME680_SPI_WR_MSK,
+					&reg, 1);
+				if (dev->com_rslt != 0)
+					rslt = BME680_E_COM_FAIL;
+			}
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to get the memory page based on register address.
+ */
+static int8_t get_mem_page(struct bme680_dev *dev)
+{
+	int8_t rslt;
+	uint8_t reg;
+
+	/* Check for null pointer in the device structure*/
+	rslt = null_ptr_check(dev);
+	if (rslt == BME680_OK) {
+		dev->com_rslt = dev->read(dev->dev_id, BME680_MEM_PAGE_ADDR | BME680_SPI_RD_MSK, &reg, 1);
+		if (dev->com_rslt != 0)
+			rslt = BME680_E_COM_FAIL;
+		else
+			dev->mem_page = reg & BME680_MEM_PAGE_MSK;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to validate the boundary
+ * conditions.
+ */
+static int8_t boundary_check(uint8_t *value, uint8_t min, uint8_t max, struct bme680_dev *dev)
+{
+	int8_t rslt = BME680_OK;
+
+	if (value != NULL) {
+		/* Check if value is below minimum value */
+		if (*value < min) {
+			/* Auto correct the invalid value to minimum value */
+			*value = min;
+			dev->info_msg |= BME680_I_MIN_CORRECTION;
+		}
+		/* Check if value is above maximum value */
+		if (*value > max) {
+			/* Auto correct the invalid value to maximum value */
+			*value = max;
+			dev->info_msg |= BME680_I_MAX_CORRECTION;
+		}
+	} else {
+		rslt = BME680_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ * @brief This internal API is used to validate the device structure pointer for
+ * null conditions.
+ */
+static int8_t null_ptr_check(const struct bme680_dev *dev)
+{
+	int8_t rslt;
+
+	if ((dev == NULL) || (dev->read == NULL) || (dev->write == NULL) || (dev->delay_ms == NULL)) {
+		/* Device structure pointer is not valid */
+		rslt = BME680_E_NULL_PTR;
+	} else {
+		/* Device structure is fine */
+		rslt = BME680_OK;
+	}
+
+	return rslt;
+}
diff --git a/lib/Adafruit_BME680-1.0.5/bme680.h b/lib/Adafruit_BME680-1.0.5/bme680.h
new file mode 100644
index 000000000..71960582a
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/bme680.h
@@ -0,0 +1,225 @@
+/**
+ * Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of the copyright holder nor the names of the
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ * The information provided is believed to be accurate and reliable.
+ * The copyright holder assumes no responsibility
+ * for the consequences of use
+ * of such information nor for any infringement of patents or
+ * other rights of third parties which may result from its use.
+ * No license is granted by implication or otherwise under any patent or
+ * patent rights of the copyright holder.
+ *
+ * @file	bme680.h
+ * @date	20 Nov 2017
+ * @version	3.5.5
+ * @brief
+ *
+ */
+/*! @file bme680.h
+ @brief Sensor driver for BME680 sensor */
+/*!
+ * @defgroup BME680 SENSOR API
+ * @{*/
+#ifndef BME680_H_
+#define BME680_H_
+
+/*! CPP guard */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Header includes */
+#include "bme680_defs.h"
+
+/* function prototype declarations */
+/*!
+ *  @brief This API is the entry point.
+ *  It reads the chip-id and calibration data from the sensor.
+ *
+ *  @param[in,out] dev : Structure instance of bme680_dev
+ *
+ *  @return Result of API execution status
+ *  @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_init(struct bme680_dev *dev);
+
+/*!
+ * @brief This API writes the given data to the register address
+ * of the sensor.
+ *
+ * @param[in] reg_addr : Register address from where the data to be written.
+ * @param[in] reg_data : Pointer to data buffer which is to be written
+ * in the sensor.
+ * @param[in] len : No of bytes of data to write..
+ * @param[in] dev : Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_set_regs(const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct bme680_dev *dev);
+
+/*!
+ * @brief This API reads the data from the given register address of the sensor.
+ *
+ * @param[in] reg_addr : Register address from where the data to be read
+ * @param[out] reg_data : Pointer to data buffer to store the read data.
+ * @param[in] len : No of bytes of data to be read.
+ * @param[in] dev : Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct bme680_dev *dev);
+
+/*!
+ * @brief This API performs the soft reset of the sensor.
+ *
+ * @param[in] dev : Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
+ */
+int8_t bme680_soft_reset(struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to set the power mode of the sensor.
+ *
+ * @param[in] dev : Structure instance of bme680_dev
+ * @note : Pass the value to bme680_dev.power_mode structure variable.
+ *
+ *  value	|	mode
+ * -------------|------------------
+ *	0x00	|	BME680_SLEEP_MODE
+ *	0x01	|	BME680_FORCED_MODE
+ *
+ * * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_set_sensor_mode(struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to get the power mode of the sensor.
+ *
+ * @param[in] dev : Structure instance of bme680_dev
+ * @note : bme680_dev.power_mode structure variable hold the power mode.
+ *
+ *  value	|	mode
+ * ---------|------------------
+ *	0x00	|	BME680_SLEEP_MODE
+ *	0x01	|	BME680_FORCED_MODE
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_get_sensor_mode(struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to set the profile duration of the sensor.
+ *
+ * @param[in] dev	   : Structure instance of bme680_dev.
+ * @param[in] duration : Duration of the measurement in ms.
+ *
+ * @return Nothing
+ */
+void bme680_set_profile_dur(uint16_t duration, struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to get the profile duration of the sensor.
+ *
+ * @param[in] dev	   : Structure instance of bme680_dev.
+ * @param[in] duration : Duration of the measurement in ms.
+ *
+ * @return Nothing
+ */
+void bme680_get_profile_dur(uint16_t *duration, const struct bme680_dev *dev);
+
+/*!
+ * @brief This API reads the pressure, temperature and humidity and gas data
+ * from the sensor, compensates the data and store it in the bme680_data
+ * structure instance passed by the user.
+ *
+ * @param[out] data: Structure instance to hold the data.
+ * @param[in] dev : Structure instance of bme680_dev.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error
+ */
+int8_t bme680_get_sensor_data(struct bme680_field_data *data, struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to set the oversampling, filter and T,P,H, gas selection
+ * settings in the sensor.
+ *
+ * @param[in] dev : Structure instance of bme680_dev.
+ * @param[in] desired_settings : Variable used to select the settings which
+ * are to be set in the sensor.
+ *
+ *	 Macros	                   |  Functionality
+ *---------------------------------|----------------------------------------------
+ *	BME680_OST_SEL             |    To set temperature oversampling.
+ *	BME680_OSP_SEL             |    To set pressure oversampling.
+ *	BME680_OSH_SEL             |    To set humidity oversampling.
+ *	BME680_GAS_MEAS_SEL        |    To set gas measurement setting.
+ *	BME680_FILTER_SEL          |    To set filter setting.
+ *	BME680_HCNTRL_SEL          |    To set humidity control setting.
+ *	BME680_RUN_GAS_SEL         |    To set run gas setting.
+ *	BME680_NBCONV_SEL          |    To set NB conversion setting.
+ *	BME680_GAS_SENSOR_SEL      |    To set all gas sensor related settings
+ *
+ * @note : Below are the macros to be used by the user for selecting the
+ * desired settings. User can do OR operation of these macros for configuring
+ * multiple settings.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
+ */
+int8_t bme680_set_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev);
+
+/*!
+ * @brief This API is used to get the oversampling, filter and T,P,H, gas selection
+ * settings in the sensor.
+ *
+ * @param[in] dev : Structure instance of bme680_dev.
+ * @param[in] desired_settings : Variable used to select the settings which
+ * are to be get from the sensor.
+ *
+ * @return Result of API execution status
+ * @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
+ */
+int8_t bme680_get_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev);
+#ifdef __cplusplus
+}
+#endif /* End of CPP guard */
+#endif /* BME680_H_ */
+/** @}*/
diff --git a/lib/Adafruit_BME680-1.0.5/bme680_defs.h b/lib/Adafruit_BME680-1.0.5/bme680_defs.h
new file mode 100644
index 000000000..0cf581b06
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/bme680_defs.h
@@ -0,0 +1,512 @@
+/**
+ * Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of the copyright holder nor the names of the
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ * The information provided is believed to be accurate and reliable.
+ * The copyright holder assumes no responsibility
+ * for the consequences of use
+ * of such information nor for any infringement of patents or
+ * other rights of third parties which may result from its use.
+ * No license is granted by implication or otherwise under any patent or
+ * patent rights of the copyright holder.
+ *
+ * @file	bme680_defs.h
+ * @date	20 Nov 2017
+ * @version	3.5.5
+ * @brief
+ *
+ */
+
+/*! @file bme680_defs.h
+ @brief Sensor driver for BME680 sensor */
+/*!
+ * @defgroup BME680 SENSOR API
+ * @brief
+ * @{*/
+#ifndef BME680_DEFS_H_
+#define BME680_DEFS_H_
+
+/********************************************************/
+/* header includes */
+#ifdef __KERNEL__
+#include <linux/types.h>
+#include <linux/kernel.h>
+#else
+#include <stdint.h>
+#include <stddef.h>
+#endif
+
+/******************************************************************************/
+/*! @name		Common macros					      */
+/******************************************************************************/
+
+#if !defined(UINT8_C) && !defined(INT8_C)
+#define INT8_C(x)       S8_C(x)
+#define UINT8_C(x)      U8_C(x)
+#endif
+
+#if !defined(UINT16_C) && !defined(INT16_C)
+#define INT16_C(x)      S16_C(x)
+#define UINT16_C(x)     U16_C(x)
+#endif
+
+#if !defined(INT32_C) && !defined(UINT32_C)
+#define INT32_C(x)      S32_C(x)
+#define UINT32_C(x)     U32_C(x)
+#endif
+
+#if !defined(INT64_C) && !defined(UINT64_C)
+#define INT64_C(x)      S64_C(x)
+#define UINT64_C(x)     U64_C(x)
+#endif
+
+/**@}*/
+
+/**\name C standard macros */
+#ifndef NULL
+#ifdef __cplusplus
+#define NULL   0
+#else
+#define NULL   ((void *) 0)
+#endif
+#endif
+
+/** BME680 General config */
+#define BME680_POLL_PERIOD_MS		UINT8_C(10)
+
+/** BME680 I2C addresses */
+#define BME680_I2C_ADDR_PRIMARY		UINT8_C(0x76)
+#define BME680_I2C_ADDR_SECONDARY	UINT8_C(0x77)
+
+/** BME680 unique chip identifier */
+#define BME680_CHIP_ID  UINT8_C(0x61)
+
+/** BME680 coefficients related defines */
+#define BME680_COEFF_SIZE		UINT8_C(41)
+#define BME680_COEFF_ADDR1_LEN		UINT8_C(25)
+#define BME680_COEFF_ADDR2_LEN		UINT8_C(16)
+
+/** BME680 field_x related defines */
+#define BME680_FIELD_LENGTH		UINT8_C(15)
+#define BME680_FIELD_ADDR_OFFSET	UINT8_C(17)
+
+/** Soft reset command */
+#define BME680_SOFT_RESET_CMD   UINT8_C(0xb6)
+
+/** Error code definitions */
+#define BME680_OK		INT8_C(0)
+/* Errors */
+#define BME680_E_NULL_PTR		    INT8_C(-1)
+#define BME680_E_COM_FAIL		    INT8_C(-2)
+#define BME680_E_DEV_NOT_FOUND		INT8_C(-3)
+#define BME680_E_INVALID_LENGTH		INT8_C(-4)
+
+/* Warnings */
+#define BME680_W_DEFINE_PWR_MODE	INT8_C(1)
+#define BME680_W_NO_NEW_DATA        INT8_C(2)
+
+/* Info's */
+#define BME680_I_MIN_CORRECTION		UINT8_C(1)
+#define BME680_I_MAX_CORRECTION		UINT8_C(2)
+
+/** Register map */
+/** Other coefficient's address */
+#define BME680_ADDR_RES_HEAT_VAL_ADDR	UINT8_C(0x00)
+#define BME680_ADDR_RES_HEAT_RANGE_ADDR	UINT8_C(0x02)
+#define BME680_ADDR_RANGE_SW_ERR_ADDR	UINT8_C(0x04)
+#define BME680_ADDR_SENS_CONF_START	UINT8_C(0x5A)
+#define BME680_ADDR_GAS_CONF_START	UINT8_C(0x64)
+
+/** Field settings */
+#define BME680_FIELD0_ADDR		UINT8_C(0x1d)
+
+/** Heater settings */
+#define BME680_RES_HEAT0_ADDR		UINT8_C(0x5a)
+#define BME680_GAS_WAIT0_ADDR		UINT8_C(0x64)
+
+/** Sensor configuration registers */
+#define BME680_CONF_HEAT_CTRL_ADDR		UINT8_C(0x70)
+#define BME680_CONF_ODR_RUN_GAS_NBC_ADDR	UINT8_C(0x71)
+#define BME680_CONF_OS_H_ADDR			UINT8_C(0x72)
+#define BME680_MEM_PAGE_ADDR			UINT8_C(0xf3)
+#define BME680_CONF_T_P_MODE_ADDR		UINT8_C(0x74)
+#define BME680_CONF_ODR_FILT_ADDR		UINT8_C(0x75)
+
+/** Coefficient's address */
+#define BME680_COEFF_ADDR1	UINT8_C(0x89)
+#define BME680_COEFF_ADDR2	UINT8_C(0xe1)
+
+/** Chip identifier */
+#define BME680_CHIP_ID_ADDR	UINT8_C(0xd0)
+
+/** Soft reset register */
+#define BME680_SOFT_RESET_ADDR		UINT8_C(0xe0)
+
+/** Heater control settings */
+#define BME680_ENABLE_HEATER		UINT8_C(0x00)
+#define BME680_DISABLE_HEATER		UINT8_C(0x08)
+
+/** Gas measurement settings */
+#define BME680_DISABLE_GAS_MEAS		UINT8_C(0x00)
+#define BME680_ENABLE_GAS_MEAS		UINT8_C(0x01)
+
+/** Over-sampling settings */
+#define BME680_OS_NONE		UINT8_C(0)
+#define BME680_OS_1X		UINT8_C(1)
+#define BME680_OS_2X		UINT8_C(2)
+#define BME680_OS_4X		UINT8_C(3)
+#define BME680_OS_8X		UINT8_C(4)
+#define BME680_OS_16X		UINT8_C(5)
+
+/** IIR filter settings */
+#define BME680_FILTER_SIZE_0	UINT8_C(0)
+#define BME680_FILTER_SIZE_1	UINT8_C(1)
+#define BME680_FILTER_SIZE_3	UINT8_C(2)
+#define BME680_FILTER_SIZE_7	UINT8_C(3)
+#define BME680_FILTER_SIZE_15	UINT8_C(4)
+#define BME680_FILTER_SIZE_31	UINT8_C(5)
+#define BME680_FILTER_SIZE_63	UINT8_C(6)
+#define BME680_FILTER_SIZE_127	UINT8_C(7)
+
+/** Power mode settings */
+#define BME680_SLEEP_MODE	UINT8_C(0)
+#define BME680_FORCED_MODE	UINT8_C(1)
+
+/** Delay related macro declaration */
+#define BME680_RESET_PERIOD	UINT32_C(10)
+
+/** SPI memory page settings */
+#define BME680_MEM_PAGE0	UINT8_C(0x10)
+#define BME680_MEM_PAGE1	UINT8_C(0x00)
+
+/** Ambient humidity shift value for compensation */
+#define BME680_HUM_REG_SHIFT_VAL	UINT8_C(4)
+
+/** Run gas enable and disable settings */
+#define BME680_RUN_GAS_DISABLE	UINT8_C(0)
+#define BME680_RUN_GAS_ENABLE	UINT8_C(1)
+
+/** Buffer length macro declaration */
+#define BME680_TMP_BUFFER_LENGTH	UINT8_C(40)
+#define BME680_REG_BUFFER_LENGTH	UINT8_C(6)
+#define BME680_FIELD_DATA_LENGTH	UINT8_C(3)
+#define BME680_GAS_REG_BUF_LENGTH	UINT8_C(20)
+#define BME680_GAS_HEATER_PROF_LEN_MAX  UINT8_C(10)
+
+/** Settings selector */
+#define BME680_OST_SEL			UINT16_C(1)
+#define BME680_OSP_SEL			UINT16_C(2)
+#define BME680_OSH_SEL			UINT16_C(4)
+#define BME680_GAS_MEAS_SEL		UINT16_C(8)
+#define BME680_FILTER_SEL		UINT16_C(16)
+#define BME680_HCNTRL_SEL		UINT16_C(32)
+#define BME680_RUN_GAS_SEL		UINT16_C(64)
+#define BME680_NBCONV_SEL		UINT16_C(128)
+#define BME680_GAS_SENSOR_SEL		(BME680_GAS_MEAS_SEL | BME680_RUN_GAS_SEL | BME680_NBCONV_SEL)
+
+/** Number of conversion settings*/
+#define BME680_NBCONV_MIN		UINT8_C(0)
+#define BME680_NBCONV_MAX		UINT8_C(10)
+
+/** Mask definitions */
+#define BME680_GAS_MEAS_MSK	UINT8_C(0x30)
+#define BME680_NBCONV_MSK	UINT8_C(0X0F)
+#define BME680_FILTER_MSK	UINT8_C(0X1C)
+#define BME680_OST_MSK		UINT8_C(0XE0)
+#define BME680_OSP_MSK		UINT8_C(0X1C)
+#define BME680_OSH_MSK		UINT8_C(0X07)
+#define BME680_HCTRL_MSK	UINT8_C(0x08)
+#define BME680_RUN_GAS_MSK	UINT8_C(0x10)
+#define BME680_MODE_MSK		UINT8_C(0x03)
+#define BME680_RHRANGE_MSK	UINT8_C(0x30)
+#define BME680_RSERROR_MSK	UINT8_C(0xf0)
+#define BME680_NEW_DATA_MSK	UINT8_C(0x80)
+#define BME680_GAS_INDEX_MSK	UINT8_C(0x0f)
+#define BME680_GAS_RANGE_MSK	UINT8_C(0x0f)
+#define BME680_GASM_VALID_MSK	UINT8_C(0x20)
+#define BME680_HEAT_STAB_MSK	UINT8_C(0x10)
+#define BME680_MEM_PAGE_MSK	UINT8_C(0x10)
+#define BME680_SPI_RD_MSK	UINT8_C(0x80)
+#define BME680_SPI_WR_MSK	UINT8_C(0x7f)
+#define	BME680_BIT_H1_DATA_MSK	UINT8_C(0x0F)
+
+/** Bit position definitions for sensor settings */
+#define BME680_GAS_MEAS_POS	UINT8_C(4)
+#define BME680_FILTER_POS	UINT8_C(2)
+#define BME680_OST_POS		UINT8_C(5)
+#define BME680_OSP_POS		UINT8_C(2)
+#define BME680_RUN_GAS_POS	UINT8_C(4)
+
+/** Array Index to Field data mapping for Calibration Data*/
+#define BME680_T2_LSB_REG	(1)
+#define BME680_T2_MSB_REG	(2)
+#define BME680_T3_REG		(3)
+#define BME680_P1_LSB_REG	(5)
+#define BME680_P1_MSB_REG	(6)
+#define BME680_P2_LSB_REG	(7)
+#define BME680_P2_MSB_REG	(8)
+#define BME680_P3_REG		(9)
+#define BME680_P4_LSB_REG	(11)
+#define BME680_P4_MSB_REG	(12)
+#define BME680_P5_LSB_REG	(13)
+#define BME680_P5_MSB_REG	(14)
+#define BME680_P7_REG		(15)
+#define BME680_P6_REG		(16)
+#define BME680_P8_LSB_REG	(19)
+#define BME680_P8_MSB_REG	(20)
+#define BME680_P9_LSB_REG	(21)
+#define BME680_P9_MSB_REG	(22)
+#define BME680_P10_REG		(23)
+#define BME680_H2_MSB_REG	(25)
+#define BME680_H2_LSB_REG	(26)
+#define BME680_H1_LSB_REG	(26)
+#define BME680_H1_MSB_REG	(27)
+#define BME680_H3_REG		(28)
+#define BME680_H4_REG		(29)
+#define BME680_H5_REG		(30)
+#define BME680_H6_REG		(31)
+#define BME680_H7_REG		(32)
+#define BME680_T1_LSB_REG	(33)
+#define BME680_T1_MSB_REG	(34)
+#define BME680_GH2_LSB_REG	(35)
+#define BME680_GH2_MSB_REG	(36)
+#define BME680_GH1_REG		(37)
+#define BME680_GH3_REG		(38)
+
+/** BME680 register buffer index settings*/
+#define BME680_REG_FILTER_INDEX		UINT8_C(5)
+#define BME680_REG_TEMP_INDEX		UINT8_C(4)
+#define BME680_REG_PRES_INDEX		UINT8_C(4)
+#define BME680_REG_HUM_INDEX		UINT8_C(2)
+#define BME680_REG_NBCONV_INDEX		UINT8_C(1)
+#define BME680_REG_RUN_GAS_INDEX	UINT8_C(1)
+#define BME680_REG_HCTRL_INDEX		UINT8_C(0)
+
+/** Macro to combine two 8 bit data's to form a 16 bit data */
+#define BME680_CONCAT_BYTES(msb, lsb)	(((uint16_t)msb << 8) | (uint16_t)lsb)
+
+/** Macro to SET and GET BITS of a register */
+#define BME680_SET_BITS(reg_data, bitname, data) \
+		((reg_data & ~(bitname##_MSK)) | \
+		((data << bitname##_POS) & bitname##_MSK))
+#define BME680_GET_BITS(reg_data, bitname)	((reg_data & (bitname##_MSK)) >> \
+	(bitname##_POS))
+
+/** Macro variant to handle the bitname position if it is zero */
+#define BME680_SET_BITS_POS_0(reg_data, bitname, data) \
+				((reg_data & ~(bitname##_MSK)) | \
+				(data & bitname##_MSK))
+#define BME680_GET_BITS_POS_0(reg_data, bitname)  (reg_data & (bitname##_MSK))
+
+/** Type definitions */
+/*
+ * Generic communication function pointer
+ * @param[in] dev_id: Place holder to store the id of the device structure
+ *                    Can be used to store the index of the Chip select or
+ *                    I2C address of the device.
+ * @param[in] reg_addr:	Used to select the register the where data needs to
+ *                      be read from or written to.
+ * @param[in/out] reg_data: Data array to read/write
+ * @param[in] len: Length of the data array
+ */
+typedef int8_t (*bme680_com_fptr_t)(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len);
+
+/*
+ * Delay function pointer
+ * @param[in] period: Time period in milliseconds
+ */
+typedef void (*bme680_delay_fptr_t)(uint32_t period);
+
+/*!
+ * @brief Interface selection Enumerations
+ */
+enum bme680_intf {
+	/*! SPI interface */
+	BME680_SPI_INTF,
+	/*! I2C interface */
+	BME680_I2C_INTF
+};
+
+/* structure definitions */
+/*!
+ * @brief Sensor field data structure
+ */
+struct	bme680_field_data {
+	/*! Contains new_data, gasm_valid & heat_stab */
+	uint8_t status;
+	/*! The index of the heater profile used */
+	uint8_t gas_index;
+	/*! Measurement index to track order */
+	uint8_t meas_index;
+	/*! Temperature in degree celsius x100 */
+	int16_t temperature;
+	/*! Pressure in Pascal */
+	uint32_t pressure;
+	/*! Humidity in % relative humidity x1000 */
+	uint32_t humidity;
+	/*! Gas resistance in Ohms */
+	uint32_t gas_resistance;
+};
+
+/*!
+ * @brief Structure to hold the Calibration data
+ */
+struct	bme680_calib_data {
+	/*! Variable to store calibrated humidity data */
+	uint16_t par_h1;
+	/*! Variable to store calibrated humidity data */
+	uint16_t par_h2;
+	/*! Variable to store calibrated humidity data */
+	int8_t par_h3;
+	/*! Variable to store calibrated humidity data */
+	int8_t par_h4;
+	/*! Variable to store calibrated humidity data */
+	int8_t par_h5;
+	/*! Variable to store calibrated humidity data */
+	uint8_t par_h6;
+	/*! Variable to store calibrated humidity data */
+	int8_t par_h7;
+	/*! Variable to store calibrated gas data */
+	int8_t par_gh1;
+	/*! Variable to store calibrated gas data */
+	int16_t par_gh2;
+	/*! Variable to store calibrated gas data */
+	int8_t par_gh3;
+	/*! Variable to store calibrated temperature data */
+	uint16_t par_t1;
+	/*! Variable to store calibrated temperature data */
+	int16_t par_t2;
+	/*! Variable to store calibrated temperature data */
+	int8_t par_t3;
+	/*! Variable to store calibrated pressure data */
+	uint16_t par_p1;
+	/*! Variable to store calibrated pressure data */
+	int16_t par_p2;
+	/*! Variable to store calibrated pressure data */
+	int8_t par_p3;
+	/*! Variable to store calibrated pressure data */
+	int16_t par_p4;
+	/*! Variable to store calibrated pressure data */
+	int16_t par_p5;
+	/*! Variable to store calibrated pressure data */
+	int8_t par_p6;
+	/*! Variable to store calibrated pressure data */
+	int8_t par_p7;
+	/*! Variable to store calibrated pressure data */
+	int16_t par_p8;
+	/*! Variable to store calibrated pressure data */
+	int16_t par_p9;
+	/*! Variable to store calibrated pressure data */
+	uint8_t par_p10;
+	/*! Variable to store t_fine size */
+	int32_t t_fine;
+	/*! Variable to store heater resistance range */
+	uint8_t res_heat_range;
+	/*! Variable to store heater resistance value */
+	int8_t res_heat_val;
+	/*! Variable to store error range */
+	int8_t range_sw_err;
+};
+
+/*!
+ * @brief BME680 sensor settings structure which comprises of ODR,
+ * over-sampling and filter settings.
+ */
+struct	bme680_tph_sett {
+	/*! Humidity oversampling */
+	uint8_t os_hum;
+	/*! Temperature oversampling */
+	uint8_t os_temp;
+	/*! Pressure oversampling */
+	uint8_t os_pres;
+	/*! Filter coefficient */
+	uint8_t filter;
+};
+
+/*!
+ * @brief BME680 gas sensor which comprises of gas settings
+ *  and status parameters
+ */
+struct	bme680_gas_sett {
+	/*! Variable to store nb conversion */
+	uint8_t nb_conv;
+	/*! Variable to store heater control */
+	uint8_t heatr_ctrl;
+	/*! Run gas enable value */
+	uint8_t run_gas;
+	/*! Pointer to store heater temperature */
+	uint16_t heatr_temp;
+	/*! Pointer to store duration profile */
+	uint16_t heatr_dur;
+};
+
+/*!
+ * @brief BME680 device structure
+ */
+struct	bme680_dev {
+	/*! Chip Id */
+	uint8_t chip_id;
+	/*! Device Id */
+	uint8_t dev_id;
+	/*! SPI/I2C interface */
+	enum bme680_intf intf;
+	/*! Memory page used */
+	uint8_t mem_page;
+	/*! Ambient temperature in Degree C*/
+	int8_t amb_temp;
+	/*! Sensor calibration data */
+	struct bme680_calib_data calib;
+	/*! Sensor settings */
+	struct bme680_tph_sett tph_sett;
+	/*! Gas Sensor settings */
+	struct bme680_gas_sett gas_sett;
+	/*! Sensor power modes */
+	uint8_t power_mode;
+	/*! New sensor fields */
+	uint8_t new_fields;
+	/*! Store the info messages */
+	uint8_t info_msg;
+	/*! Burst read structure */
+	bme680_com_fptr_t read;
+	/*! Burst write structure */
+	bme680_com_fptr_t write;
+	/*! Delay in ms */
+	bme680_delay_fptr_t delay_ms;
+	/*! Communication function result */
+	int8_t com_rslt;
+};
+
+
+
+#endif /* BME680_DEFS_H_ */
+/** @}*/
+/** @}*/
diff --git a/lib/Adafruit_BME680-1.0.5/docs/_adafruit___b_m_e680_8h_source.html b/lib/Adafruit_BME680-1.0.5/docs/_adafruit___b_m_e680_8h_source.html
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+<div class="title">Adafruit_BME680.h</div>  </div>
+</div><!--header-->
+<div class="contents">
+<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/***************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">  This is a library for the BME680 humidity, temperature &amp; pressure sensor</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">  Designed specifically to work with the Adafruit BME680 Breakout</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">  ----&gt; http://www.adafruit.com/products/XXXX</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">  These sensors use I2C or SPI to communicate, 2 or 4 pins are required</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">  to interface.</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">  Adafruit invests time and resources providing this open source code,</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">  please support Adafruit andopen-source hardware by purchasing products</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">  from Adafruit!</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">  Written by Limor Fried &amp; Kevin Townsend for Adafruit Industries.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">  BSD license, all text above must be included in any redistribution</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> ***************************************************************************/</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef __BME680_H__</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define __BME680_H__</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#if (ARDUINO &gt;= 100)</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor"> #include &quot;Arduino.h&quot;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"> #include &quot;WProgram.h&quot;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;Wire.h&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;SPI.h&gt;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;Adafruit_Sensor.h&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;Wire.h&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;bme680.h&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">/*=========================================================================</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment">    I2C ADDRESS/BITS</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">    -----------------------------------------------------------------------*/</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define BME680_DEFAULT_ADDRESS                (0x77)</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">/*=========================================================================*/</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#define BME680_DEFAULT_SPIFREQ               (1000000)</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">class Adafruit_BME680_Unified : public Adafruit_Sensor</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">{</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">public:</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">    Adafruit_BME680_Unified(int32_t sensorID = -1);</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">    bool  begin(uint8_t addr = BME680_ADDRESS);</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">    void  getTemperature(float *temp);</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">    void  getPressure(float *pressure);</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">    float pressureToAltitude(float seaLevel, float atmospheric, float temp);</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">    float seaLevelForAltitude(float altitude, float atmospheric, float temp);</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">    void  getEvent(sensors_event_t*);</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">    void  getSensor(sensor_t*);</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">  private:</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">    uint8_t   _i2c_addr;</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">    int32_t   _sensorID;</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">};</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="class_adafruit___b_m_e680.html">   66</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;{</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <span class="keyword">public</span>:</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <a class="code" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a>(int8_t cspin = -1);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <a class="code" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a>(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin);</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keywordtype">bool</span>  <a class="code" href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">begin</a>(uint8_t addr = BME680_DEFAULT_ADDRESS);</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">readTemperature</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">readPressure</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">readHumidity</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    uint32_t <a class="code" href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">readGas</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">readAltitude</a>(<span class="keywordtype">float</span> seaLevel);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6">setTemperatureOversampling</a>(uint8_t os);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c">setPressureOversampling</a>(uint8_t os);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">setHumidityOversampling</a>(uint8_t os);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77">setIIRFilterSize</a>(uint8_t fs);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">setGasHeater</a>(uint16_t heaterTemp, uint16_t heaterTime);</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">performReading</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">   88</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">temperature</a>;  </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">   90</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">pressure</a>;</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">   92</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">humidity</a>;</div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">   94</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">gas_resistance</a>;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordtype">bool</span> _filterEnabled, _tempEnabled, _humEnabled, 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+<div class="ttc" id="class_adafruit___b_m_e680_html_a640ee0a0cb7ca57af30e8408260cc6e6"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6">Adafruit_BME680::setTemperatureOversampling</a></div><div class="ttdeci">bool setTemperatureOversampling(uint8_t os)</div><div class="ttdoc">Setter for Temperature oversampling. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:368</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a2e6a61b5441c51bf5e44c3af3ee3fec8"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">Adafruit_BME680::setGasHeater</a></div><div class="ttdeci">bool setGasHeater(uint16_t heaterTemp, uint16_t heaterTime)</div><div class="ttdoc">Enable and configure gas reading + heater. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:343</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_ae0b55eb1049c5949ff186de86aaafb55"><div class="ttname"><a href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">Adafruit_BME680::readGas</a></div><div class="ttdeci">uint32_t readGas(void)</div><div class="ttdoc">Calculates the resistance of the MOX gas sensor. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:213</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html"><div class="ttname"><a href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.h:66</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a3caae92aa981508f0084b11b1fed4883"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">Adafruit_BME680::readAltitude</a></div><div class="ttdeci">float readAltitude(float seaLevel)</div><div class="ttdoc">Calculates the altitude (in meters). </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:230</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_aef05921539684ec297168bdd0cee7c7c"><div class="ttname"><a href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">Adafruit_BME680::gas_resistance</a></div><div class="ttdeci">float gas_resistance</div><div class="ttdoc">Gas resistor (ohms) assigned after calling performReading() </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.h:94</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a956b36e719ef0b37e59e6c3ecb8c5583"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">Adafruit_BME680::pressure</a></div><div class="ttdeci">float pressure</div><div class="ttdoc">Pressure (Pascals) assigned after calling performReading() </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.h:90</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_afd081183a7845fee1d1c080cce20495e"><div class="ttname"><a href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">Adafruit_BME680::readPressure</a></div><div class="ttdeci">float readPressure(void)</div><div class="ttdoc">Performs a reading and returns the barometric pressure. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:190</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a7b554e6edf5cea06cf480e53bcb65aec"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">Adafruit_BME680::readTemperature</a></div><div class="ttdeci">float readTemperature(void)</div><div class="ttdoc">Performs a reading and returns the ambient temperature. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:178</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_af1f05d2f024e946c1d7cbe3fb90b0859"><div class="ttname"><a href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">Adafruit_BME680::setHumidityOversampling</a></div><div class="ttdeci">bool setHumidityOversampling(uint8_t os)</div><div class="ttdoc">Setter for Humidity oversampling. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:391</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_aa58210864cad77b272669eb86f1d2a88"><div class="ttname"><a href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">Adafruit_BME680::performReading</a></div><div class="ttdeci">bool performReading(void)</div><div class="ttdoc">Performs a full reading of all 4 sensors in the BME680. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:253</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_ac6d9d5dc90424c2c3c3a3b311c1141dc"><div class="ttname"><a href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">Adafruit_BME680::begin</a></div><div class="ttdeci">bool begin(uint8_t addr=BME680_DEFAULT_ADDRESS)</div><div class="ttdoc">Initializes the sensor. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:84</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a442787f3ad0f2ab9087535ba9c22102b"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">Adafruit_BME680::humidity</a></div><div class="ttdeci">float humidity</div><div class="ttdoc">Humidity (RH %) assigned after calling performReading() </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.h:92</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_af147d564868b9eac61a2c7fcd8f614cd"><div class="ttname"><a href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680::Adafruit_BME680</a></div><div class="ttdeci">Adafruit_BME680(int8_t cspin=-1)</div><div class="ttdoc">Instantiates sensor with Hardware SPI or I2C. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:43</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a074501406d2bf249551e3e489cb9316e"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">Adafruit_BME680::temperature</a></div><div class="ttdeci">float temperature</div><div class="ttdoc">Temperature (Celsius) assigned after calling performReading() </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.h:88</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a73a9467c838951a187a268172a2b5d8c"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c">Adafruit_BME680::setPressureOversampling</a></div><div class="ttdeci">bool setPressureOversampling(uint8_t os)</div><div class="ttdoc">Setter for Pressure oversampling. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:413</div></div>
+<div class="ttc" id="class_adafruit___b_m_e680_html_a1402c97860f9c61bf133be7e7056658b"><div class="ttname"><a href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">Adafruit_BME680::readHumidity</a></div><div class="ttdeci">float readHumidity(void)</div><div class="ttdoc">Performs a reading and returns the relative humidity. </div><div class="ttdef"><b>Definition:</b> Adafruit_BME680.cpp:202</div></div>
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+   <div id="projectname">Adafruit BME680 Library
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+<!-- Generated by Doxygen 1.8.13 -->
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+<div class="contents">
+<div class="textblock">Here are the classes, structs, unions and interfaces with brief descriptions:</div><div class="directory">
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+  <div class="summary">
+<a href="#func-members">Functions</a> &#124;
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+<p>Sensor driver for BME680 sensor.  
+<a href="#details">More...</a></p>
+<div class="textblock"><code>#include &quot;<a class="el" href="bme680_8h_source.html">bme680.h</a>&quot;</code><br />
+</div><table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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+<tr class="memitem:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">bme680_init</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is the entry point. It reads the chip-id and calibration data from the sensor.  <a href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">More...</a><br /></td></tr>
+<tr class="separator:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">bme680_get_regs</a> (uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API reads the data from the given register address of the sensor.  <a href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">More...</a><br /></td></tr>
+<tr class="separator:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">bme680_set_regs</a> (const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API writes the given data to the register address of the sensor.  <a href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">More...</a><br /></td></tr>
+<tr class="separator:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga7f0f1a4378bc6cd0a34acf62509cdec7">bme680_soft_reset</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API performs the soft reset of the sensor.  <a href="group___b_m_e680.html#ga7f0f1a4378bc6cd0a34acf62509cdec7">More...</a><br /></td></tr>
+<tr class="separator:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga2fea1365b4fa1d33eef434769b16e811"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">bme680_set_sensor_settings</a> (uint16_t desired_settings, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga2fea1365b4fa1d33eef434769b16e811"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the oversampling, filter and T,P,H, gas selection settings in the sensor.  <a href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">More...</a><br /></td></tr>
+<tr class="separator:ga2fea1365b4fa1d33eef434769b16e811"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">bme680_get_sensor_settings</a> (uint16_t desired_settings, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the oversampling, filter and T,P,H, gas selection settings in the sensor.  <a href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">More...</a><br /></td></tr>
+<tr class="separator:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga5ca765226e758e71c862553c7cc0b371"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680_set_sensor_mode</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga5ca765226e758e71c862553c7cc0b371"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the power mode of the sensor.  <a href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">More...</a><br /></td></tr>
+<tr class="separator:ga5ca765226e758e71c862553c7cc0b371"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga4e50492a1f4747868f7e9a826492f1e7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680_get_sensor_mode</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga4e50492a1f4747868f7e9a826492f1e7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the power mode of the sensor.  <a href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">More...</a><br /></td></tr>
+<tr class="separator:ga4e50492a1f4747868f7e9a826492f1e7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga192f772bc9cb619e5855e93d6ebd6128"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">bme680_set_profile_dur</a> (uint16_t duration, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga192f772bc9cb619e5855e93d6ebd6128"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the profile duration of the sensor.  <a href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">More...</a><br /></td></tr>
+<tr class="separator:ga192f772bc9cb619e5855e93d6ebd6128"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">bme680_get_profile_dur</a> (uint16_t *duration, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the profile duration of the sensor.  <a href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">More...</a><br /></td></tr>
+<tr class="separator:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga1025301e420e1e21911044bebb62f940"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">bme680_get_sensor_data</a> (struct <a class="el" href="structbme680__field__data.html">bme680_field_data</a> *data, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga1025301e420e1e21911044bebb62f940"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API reads the pressure, temperature and humidity and gas data from the sensor, compensates the data and store it in the bme680_data structure instance passed by the user.  <a href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">More...</a><br /></td></tr>
+<tr class="separator:ga1025301e420e1e21911044bebb62f940"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table><table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
+Variables</h2></td></tr>
+<tr class="memitem:adededc333f13a6bae1487b7cadee4a5f"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680_8c.html#adededc333f13a6bae1487b7cadee4a5f">lookupTable1</a> [16]</td></tr>
+<tr class="separator:adededc333f13a6bae1487b7cadee4a5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aaf3a4ba4968870a9fb857fe7f47f9461"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680_8c.html#aaf3a4ba4968870a9fb857fe7f47f9461">lookupTable2</a> [16]</td></tr>
+<tr class="separator:aaf3a4ba4968870a9fb857fe7f47f9461"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>Sensor driver for BME680 sensor. </p>
+</div><h2 class="groupheader">Variable Documentation</h2>
+<a id="adededc333f13a6bae1487b7cadee4a5f"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#adededc333f13a6bae1487b7cadee4a5f">&#9670;&nbsp;</a></span>lookupTable1</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint32_t lookupTable1[16]</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<b>Initial value:</b><div class="fragment"><div class="line">= { UINT32_C(2147483647), UINT32_C(2147483647), UINT32_C(2147483647), UINT32_C(2147483647),</div><div class="line">        UINT32_C(2147483647), UINT32_C(2126008810), UINT32_C(2147483647), UINT32_C(2130303777), UINT32_C(2147483647),</div><div class="line">        UINT32_C(2147483647), UINT32_C(2143188679), UINT32_C(2136746228), UINT32_C(2147483647), UINT32_C(2126008810),</div><div class="line">        UINT32_C(2147483647), UINT32_C(2147483647) }</div></div><!-- fragment --><p>static variables Look up table for the possible gas range values </p>
+
+</div>
+</div>
+<a id="aaf3a4ba4968870a9fb857fe7f47f9461"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aaf3a4ba4968870a9fb857fe7f47f9461">&#9670;&nbsp;</a></span>lookupTable2</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint32_t lookupTable2[16]</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<b>Initial value:</b><div class="fragment"><div class="line">= { UINT32_C(4096000000), UINT32_C(2048000000), UINT32_C(1024000000), UINT32_C(512000000),</div><div class="line">        UINT32_C(255744255), UINT32_C(127110228), UINT32_C(64000000), UINT32_C(32258064), UINT32_C(16016016), UINT32_C(</div><div class="line">                8000000), UINT32_C(4000000), UINT32_C(2000000), UINT32_C(1000000), UINT32_C(500000), UINT32_C(250000),</div><div class="line">        UINT32_C(125000) }</div></div><!-- fragment --><p>Look up table for the possible gas range values </p>
+
+</div>
+</div>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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+</html>
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+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
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+<div class="header">
+  <div class="summary">
+<a href="#func-members">Functions</a>  </div>
+  <div class="headertitle">
+<div class="title">bme680.h File Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>Sensor driver for BME680 sensor.  
+<a href="#details">More...</a></p>
+<div class="textblock"><code>#include &quot;<a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a>&quot;</code><br />
+</div>
+<p><a href="bme680_8h_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr class="memitem:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">bme680_init</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is the entry point. It reads the chip-id and calibration data from the sensor.  <a href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">More...</a><br /></td></tr>
+<tr class="separator:gaee75ae524b7ca8f4a9b6dbb7f640c2e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">bme680_set_regs</a> (const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API writes the given data to the register address of the sensor.  <a href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">More...</a><br /></td></tr>
+<tr class="separator:ga5d1bad74f7ac28e75aca9d7de66fd2b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">bme680_get_regs</a> (uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API reads the data from the given register address of the sensor.  <a href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">More...</a><br /></td></tr>
+<tr class="separator:gaf5548cbdbf327e2c77bdb0afb1dde9e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga7f0f1a4378bc6cd0a34acf62509cdec7">bme680_soft_reset</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API performs the soft reset of the sensor.  <a href="group___b_m_e680.html#ga7f0f1a4378bc6cd0a34acf62509cdec7">More...</a><br /></td></tr>
+<tr class="separator:ga7f0f1a4378bc6cd0a34acf62509cdec7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga5ca765226e758e71c862553c7cc0b371"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680_set_sensor_mode</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga5ca765226e758e71c862553c7cc0b371"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the power mode of the sensor.  <a href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">More...</a><br /></td></tr>
+<tr class="separator:ga5ca765226e758e71c862553c7cc0b371"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga4e50492a1f4747868f7e9a826492f1e7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680_get_sensor_mode</a> (struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga4e50492a1f4747868f7e9a826492f1e7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the power mode of the sensor.  <a href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">More...</a><br /></td></tr>
+<tr class="separator:ga4e50492a1f4747868f7e9a826492f1e7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga192f772bc9cb619e5855e93d6ebd6128"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">bme680_set_profile_dur</a> (uint16_t duration, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga192f772bc9cb619e5855e93d6ebd6128"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the profile duration of the sensor.  <a href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">More...</a><br /></td></tr>
+<tr class="separator:ga192f772bc9cb619e5855e93d6ebd6128"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">bme680_get_profile_dur</a> (uint16_t *duration, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the profile duration of the sensor.  <a href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">More...</a><br /></td></tr>
+<tr class="separator:ga191c03ab8aa1f4bc440953fd2f6317c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga1025301e420e1e21911044bebb62f940"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">bme680_get_sensor_data</a> (struct <a class="el" href="structbme680__field__data.html">bme680_field_data</a> *data, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga1025301e420e1e21911044bebb62f940"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API reads the pressure, temperature and humidity and gas data from the sensor, compensates the data and store it in the bme680_data structure instance passed by the user.  <a href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">More...</a><br /></td></tr>
+<tr class="separator:ga1025301e420e1e21911044bebb62f940"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga2fea1365b4fa1d33eef434769b16e811"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">bme680_set_sensor_settings</a> (uint16_t desired_settings, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga2fea1365b4fa1d33eef434769b16e811"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to set the oversampling, filter and T,P,H, gas selection settings in the sensor.  <a href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">More...</a><br /></td></tr>
+<tr class="separator:ga2fea1365b4fa1d33eef434769b16e811"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">bme680_get_sensor_settings</a> (uint16_t desired_settings, struct <a class="el" href="structbme680__dev.html">bme680_dev</a> *dev)</td></tr>
+<tr class="memdesc:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This API is used to get the oversampling, filter and T,P,H, gas selection settings in the sensor.  <a href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">More...</a><br /></td></tr>
+<tr class="separator:ga7826b058b8eddcf05ccbb117fd9d41b7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>Sensor driver for BME680 sensor. </p>
+<p>Copyright (C) 2017 - 2018 Bosch Sensortec GmbH</p>
+<p>Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:</p>
+<p>Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.</p>
+<p>Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.</p>
+<p>Neither the name of the copyright holder nor the names of the contributors may be used to endorse or promote products derived from this software without specific prior written permission.</p>
+<p>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE</p>
+<p>The information provided is believed to be accurate and reliable. The copyright holder assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of the copyright holder.</p>
+<dl class="section date"><dt>Date</dt><dd>5 Jul 2017 </dd></dl>
+<dl class="section version"><dt>Version</dt><dd>3.5.1</dd></dl>
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+<div class="title">bme680.h</div>  </div>
+</div><!--header-->
+<div class="contents">
+<a href="bme680_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#ifndef BME680_H_</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#define BME680_H_</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;{</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span 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104</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;int8_t <a class="code" href="group___b_m_e680.html#ga7f0f1a4378bc6cd0a34acf62509cdec7">bme680_soft_reset</a>(<span class="keyword">struct</span> <a class="code" href="structbme680__dev.html">bme680_dev</a> *dev);</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;int8_t <a class="code" href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680_set_sensor_mode</a>(<span class="keyword">struct</span> <a class="code" href="structbme680__dev.html">bme680_dev</a> *dev);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;int8_t <a class="code" href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680_get_sensor_mode</a>(<span 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It reads the chip-id and calibration data from the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:237</div></div>
+<div class="ttc" id="group___b_m_e680_html_ga4e50492a1f4747868f7e9a826492f1e7"><div class="ttname"><a href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680_get_sensor_mode</a></div><div class="ttdeci">int8_t bme680_get_sensor_mode(struct bme680_dev *dev)</div><div class="ttdoc">This API is used to get the power mode of the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:568</div></div>
+<div class="ttc" id="group___b_m_e680_html_ga2fea1365b4fa1d33eef434769b16e811"><div class="ttname"><a href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">bme680_set_sensor_settings</a></div><div class="ttdeci">int8_t bme680_set_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev)</div><div class="ttdoc">This API is used to set the oversampling, filter and T,P,H, gas selection settings in the sensor...</div><div class="ttdef"><b>Definition:</b> bme680.c:364</div></div>
+<div class="ttc" id="group___b_m_e680_html_ga7826b058b8eddcf05ccbb117fd9d41b7"><div class="ttname"><a href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">bme680_get_sensor_settings</a></div><div class="ttdeci">int8_t bme680_get_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev)</div><div class="ttdoc">This API is used to get the oversampling, filter and T,P,H, gas selection settings in the sensor...</div><div class="ttdef"><b>Definition:</b> bme680.c:482</div></div>
+<div class="ttc" id="group___b_m_e680_html_gaf5548cbdbf327e2c77bdb0afb1dde9e4"><div class="ttname"><a href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">bme680_get_regs</a></div><div class="ttdeci">int8_t bme680_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct bme680_dev *dev)</div><div class="ttdoc">This API reads the data from the given register address of the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:266</div></div>
+<div class="ttc" id="group___b_m_e680_html_ga191c03ab8aa1f4bc440953fd2f6317c2"><div class="ttname"><a href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">bme680_get_profile_dur</a></div><div class="ttdeci">void bme680_get_profile_dur(uint16_t *duration, struct bme680_dev *dev)</div><div class="ttdoc">This API is used to get the profile duration of the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:606</div></div>
+<div class="ttc" id="bme680__defs_8h_html"><div class="ttname"><a href="bme680__defs_8h.html">bme680_defs.h</a></div><div class="ttdoc">Sensor driver for BME680 sensor. </div></div>
+<div class="ttc" id="group___b_m_e680_html_ga5d1bad74f7ac28e75aca9d7de66fd2b4"><div class="ttname"><a href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">bme680_set_regs</a></div><div class="ttdeci">int8_t bme680_set_regs(const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct bme680_dev *dev)</div><div class="ttdoc">This API writes the given data to the register address of the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:291</div></div>
+<div class="ttc" id="group___b_m_e680_html_ga5ca765226e758e71c862553c7cc0b371"><div class="ttname"><a href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680_set_sensor_mode</a></div><div class="ttdeci">int8_t bme680_set_sensor_mode(struct bme680_dev *dev)</div><div class="ttdoc">This API is used to set the power mode of the sensor. </div><div class="ttdef"><b>Definition:</b> bme680.c:529</div></div>
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+<div class="ttc" id="structbme680__dev_html"><div class="ttname"><a href="structbme680__dev.html">bme680_dev</a></div><div class="ttdoc">BME680 device structure. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:494</div></div>
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+<div class="title">bme680_defs.h File Reference</div>  </div>
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+<div class="contents">
+
+<p>Sensor driver for BME680 sensor.  
+<a href="#details">More...</a></p>
+<div class="textblock"><code>#include &lt;stdint.h&gt;</code><br />
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+<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_BUFFER_LENGTH</b>&#160;&#160;&#160;UINT8_C(6)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_FIELD_DATA_LENGTH</b>&#160;&#160;&#160;UINT8_C(3)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_REG_BUF_LENGTH</b>&#160;&#160;&#160;UINT8_C(20)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_HEATER_PROF_LEN_MAX</b>&#160;&#160;&#160;UINT8_C(10)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_MEAS_SEL</b>&#160;&#160;&#160;UINT16_C(8)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_FILTER_SEL</b>&#160;&#160;&#160;UINT16_C(16)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_HCNTRL_SEL</b>&#160;&#160;&#160;UINT16_C(32)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_RUN_GAS_SEL</b>&#160;&#160;&#160;UINT16_C(64)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_NBCONV_SEL</b>&#160;&#160;&#160;128</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_SENSOR_SEL</b>&#160;&#160;&#160;UINT16_C(BME680_GAS_MEAS_SEL | BME680_RUN_GAS_SEL | BME680_NBCONV_SEL)</td></tr>
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+<tr class="memitem:a8b0bdbbedd050d35a8bc27e23c9c96c4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#a8b0bdbbedd050d35a8bc27e23c9c96c4">BME680_NBCONV_MIN</a>&#160;&#160;&#160;UINT8_C(0)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_NBCONV_MAX</b>&#160;&#160;&#160;UINT8_C(10)</td></tr>
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+<tr class="memitem:adff9a0ef09e48aa5fcecc9bcfb0bf6f2"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#adff9a0ef09e48aa5fcecc9bcfb0bf6f2">BME680_GAS_MEAS_MSK</a>&#160;&#160;&#160;UINT8_C(0x30)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_NBCONV_MSK</b>&#160;&#160;&#160;UINT8_C(0X0F)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_FILTER_MSK</b>&#160;&#160;&#160;UINT8_C(0X1C)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_OST_MSK</b>&#160;&#160;&#160;UINT8_C(0XE0)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_OSP_MSK</b>&#160;&#160;&#160;UINT8_C(0X1C)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_OSH_MSK</b>&#160;&#160;&#160;UINT8_C(0X07)</td></tr>
+<tr class="separator:acaaee0a0a8aa84b9b5c763f856a3c7a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_HCTRL_MSK</b>&#160;&#160;&#160;UINT8_C(0x08)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_RUN_GAS_MSK</b>&#160;&#160;&#160;UINT8_C(0x10)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_MODE_MSK</b>&#160;&#160;&#160;UINT8_C(0x03)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_RHRANGE_MSK</b>&#160;&#160;&#160;UINT8_C(0x30)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_RSERROR_MSK</b>&#160;&#160;&#160;UINT8_C(0xf0)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_NEW_DATA_MSK</b>&#160;&#160;&#160;UINT8_C(0x80)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_INDEX_MSK</b>&#160;&#160;&#160;UINT8_C(0x0f)</td></tr>
+<tr class="separator:af008a56a09f0095ee6ec6407de1d8ae4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GAS_RANGE_MSK</b>&#160;&#160;&#160;UINT8_C(0x0f)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GASM_VALID_MSK</b>&#160;&#160;&#160;UINT8_C(0x20)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_HEAT_STAB_MSK</b>&#160;&#160;&#160;UINT8_C(0x10)</td></tr>
+<tr class="separator:af08b72120096ba6069878faafd721832"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_MEM_PAGE_MSK</b>&#160;&#160;&#160;UINT8_C(0x10)</td></tr>
+<tr class="separator:a7858e5d3b4d39482fc04848a02bcd4cb"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_SPI_RD_MSK</b>&#160;&#160;&#160;UINT8_C(0x80)</td></tr>
+<tr class="separator:a82221087b2a61c32876783ffaf23ce02"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_SPI_WR_MSK</b>&#160;&#160;&#160;UINT8_C(0x7f)</td></tr>
+<tr class="separator:a22e8383fee778e9ae7a9e91405438f29"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_BIT_H1_DATA_MSK</b>&#160;&#160;&#160;UINT8_C(0x0F)</td></tr>
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+<tr class="memitem:aa72739940e9ab88370b0ae23ef687f15"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#aa72739940e9ab88370b0ae23ef687f15">BME680_GAS_MEAS_POS</a>&#160;&#160;&#160;UINT8_C(4)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_FILTER_POS</b>&#160;&#160;&#160;UINT8_C(2)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_OST_POS</b>&#160;&#160;&#160;UINT8_C(5)</td></tr>
+<tr class="separator:a41f951fff6b3579dd6cfe30fbef98178"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_OSP_POS</b>&#160;&#160;&#160;UINT8_C(2)</td></tr>
+<tr class="separator:aa254a8b4e057080bb70ffdc2cf9e686a"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_RUN_GAS_POS</b>&#160;&#160;&#160;UINT8_C(4)</td></tr>
+<tr class="separator:af4152a3764a38d2484bfde4346006b32"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ab0bf47738f04f4e67488166d66096752"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#ab0bf47738f04f4e67488166d66096752">BME680_T2_LSB_REG</a>&#160;&#160;&#160;(1)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_T2_MSB_REG</b>&#160;&#160;&#160;(2)</td></tr>
+<tr class="separator:a24c2ce0d4413d92d029f9ba3439990d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_T3_REG</b>&#160;&#160;&#160;(3)</td></tr>
+<tr class="separator:a9626ce9952f9e2605b6d42674222a25d"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P1_LSB_REG</b>&#160;&#160;&#160;(5)</td></tr>
+<tr class="separator:ac2a68fdb70bafe67bd14d4f29d52a095"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P1_MSB_REG</b>&#160;&#160;&#160;(6)</td></tr>
+<tr class="separator:af37fb5c2354427586d25e1a61f0e4f9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P2_LSB_REG</b>&#160;&#160;&#160;(7)</td></tr>
+<tr class="separator:a2d6ceda8a2ac80c772d6bc548897065b"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P2_MSB_REG</b>&#160;&#160;&#160;(8)</td></tr>
+<tr class="separator:a30391307c0564eaf8d2c872165137d93"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P3_REG</b>&#160;&#160;&#160;(9)</td></tr>
+<tr class="separator:a1e3d7d668ed3764eeb728bc91e5afdc7"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P4_LSB_REG</b>&#160;&#160;&#160;(11)</td></tr>
+<tr class="separator:acee13b799f1525c7db130281b8adc0d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P4_MSB_REG</b>&#160;&#160;&#160;(12)</td></tr>
+<tr class="separator:ad22d0cc1c0d8c652e07af82b4255f214"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P5_LSB_REG</b>&#160;&#160;&#160;(13)</td></tr>
+<tr class="separator:a9bd758c47b79a3f8e7ca4c272b52104d"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P5_MSB_REG</b>&#160;&#160;&#160;(14)</td></tr>
+<tr class="separator:a1ea70fab294628f5562ca43e40084a16"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P7_REG</b>&#160;&#160;&#160;(15)</td></tr>
+<tr class="separator:a2fec08fa03365bd7cecffb255ff42002"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P6_REG</b>&#160;&#160;&#160;(16)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P8_LSB_REG</b>&#160;&#160;&#160;(19)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P8_MSB_REG</b>&#160;&#160;&#160;(20)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P9_LSB_REG</b>&#160;&#160;&#160;(21)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P9_MSB_REG</b>&#160;&#160;&#160;(22)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_P10_REG</b>&#160;&#160;&#160;(23)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H2_MSB_REG</b>&#160;&#160;&#160;(25)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H2_LSB_REG</b>&#160;&#160;&#160;(26)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H1_LSB_REG</b>&#160;&#160;&#160;(26)</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H1_MSB_REG</b>&#160;&#160;&#160;(27)</td></tr>
+<tr class="separator:a6566f642c3607f1a7d9b2c03b36e9467"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H3_REG</b>&#160;&#160;&#160;(28)</td></tr>
+<tr class="separator:ab3f37863a4c1400f28048753406135c3"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H4_REG</b>&#160;&#160;&#160;(29)</td></tr>
+<tr class="separator:acaca0b68c4422223d4a360d7d7a2febd"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H5_REG</b>&#160;&#160;&#160;(30)</td></tr>
+<tr class="separator:adc37e78fdc42f7de7ae972bdc2cd316c"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H6_REG</b>&#160;&#160;&#160;(31)</td></tr>
+<tr class="separator:a12349ac4ac73dcd6a85ae50cdb864be9"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_H7_REG</b>&#160;&#160;&#160;(32)</td></tr>
+<tr class="separator:a66ec7d773394e5de70e6415b8b0afa64"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_T1_LSB_REG</b>&#160;&#160;&#160;(33)</td></tr>
+<tr class="separator:a342e1de1c75d3f622e3c4f9b9acf359e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_T1_MSB_REG</b>&#160;&#160;&#160;(34)</td></tr>
+<tr class="separator:a361d6bd1a04dab7bfe2064060220ea1c"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aff954cd6b5f15510c07a15db41f651c6"><td class="memItemLeft" align="right" valign="top"><a id="aff954cd6b5f15510c07a15db41f651c6"></a>
+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GH2_LSB_REG</b>&#160;&#160;&#160;(35)</td></tr>
+<tr class="separator:aff954cd6b5f15510c07a15db41f651c6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GH2_MSB_REG</b>&#160;&#160;&#160;(36)</td></tr>
+<tr class="separator:a880b1b5a90f3849fd159fea0fc33e825"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GH1_REG</b>&#160;&#160;&#160;(37)</td></tr>
+<tr class="separator:a78a6ccd6bde3995006c26b0b54320cbd"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GH3_REG</b>&#160;&#160;&#160;(38)</td></tr>
+<tr class="separator:a7181bfa862c457cc5d207be66cd04dba"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:abead566b839b70723d7dc5be6eb65c12"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#abead566b839b70723d7dc5be6eb65c12">BME680_REG_FILTER_INDEX</a>&#160;&#160;&#160;UINT8_C(5)</td></tr>
+<tr class="separator:abead566b839b70723d7dc5be6eb65c12"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_TEMP_INDEX</b>&#160;&#160;&#160;UINT8_C(4)</td></tr>
+<tr class="separator:aec07f7b368b29f7418ca1bc8f207b9aa"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_PRES_INDEX</b>&#160;&#160;&#160;UINT8_C(4)</td></tr>
+<tr class="separator:afdc7f2bb002c413323008b44ddcdefdb"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_HUM_INDEX</b>&#160;&#160;&#160;UINT8_C(2)</td></tr>
+<tr class="separator:a50d6c94b5ec0b48f6add5158c8341706"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_NBCONV_INDEX</b>&#160;&#160;&#160;UINT8_C(1)</td></tr>
+<tr class="separator:a4b42bf56b98dbdde2ce46ea4a77c4c61"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a358279697df80441622801132433cf87"><td class="memItemLeft" align="right" valign="top"><a id="a358279697df80441622801132433cf87"></a>
+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_RUN_GAS_INDEX</b>&#160;&#160;&#160;UINT8_C(1)</td></tr>
+<tr class="separator:a358279697df80441622801132433cf87"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_REG_HCTRL_INDEX</b>&#160;&#160;&#160;UINT8_C(0)</td></tr>
+<tr class="separator:a68e59b1432c8845d9fb41f8c7fb05d85"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a9aac51cc4b47a1f1c9f30c07026840ab"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#a9aac51cc4b47a1f1c9f30c07026840ab">BME680_CONCAT_BYTES</a>(msb,  lsb)&#160;&#160;&#160;(((uint16_t)msb &lt;&lt; 8) | (uint16_t)lsb)</td></tr>
+<tr class="separator:a9aac51cc4b47a1f1c9f30c07026840ab"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aa2dfae23c0c4a846bde4fdf3780c390e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#aa2dfae23c0c4a846bde4fdf3780c390e">BME680_SET_BITS</a>(reg_data,  bitname,  data)</td></tr>
+<tr class="separator:aa2dfae23c0c4a846bde4fdf3780c390e"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a08f4b60cad6cc750b3fe2a0f4377c192"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GET_BITS</b>(reg_data,  bitname)</td></tr>
+<tr class="separator:a08f4b60cad6cc750b3fe2a0f4377c192"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a5e3fed11d9e1cb98d8c05bc5f418d4e8"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#a5e3fed11d9e1cb98d8c05bc5f418d4e8">BME680_SET_BITS_POS_0</a>(reg_data,  bitname,  data)</td></tr>
+<tr class="separator:a5e3fed11d9e1cb98d8c05bc5f418d4e8"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:af514daef101aff8022022eb6c9200b08"><td class="memItemLeft" align="right" valign="top"><a id="af514daef101aff8022022eb6c9200b08"></a>
+#define&#160;</td><td class="memItemRight" valign="bottom"><b>BME680_GET_BITS_POS_0</b>(reg_data,  bitname)&#160;&#160;&#160;(reg_data &amp; (bitname##_MSK))</td></tr>
+<tr class="separator:af514daef101aff8022022eb6c9200b08"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a2232c03d0c1282e976af41b39e1b87d6"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_intf</a> { <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3">BME680_SPI_INTF</a>, 
+<a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5">BME680_I2C_INTF</a>
+ }<tr class="memdesc:a2232c03d0c1282e976af41b39e1b87d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Interface selection Enumerations.  <a href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">More...</a><br /></td></tr>
+</td></tr>
+<tr class="separator:a2232c03d0c1282e976af41b39e1b87d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aa7d183195e66f1db50f64f3a3d4ede57"><td class="memItemLeft" align="right" valign="top">typedef int8_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a>) (uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len)</td></tr>
+<tr class="separator:aa7d183195e66f1db50f64f3a3d4ede57"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a596d17716255952ac5581c5217f895d4"><td class="memItemLeft" align="right" valign="top"><a id="a596d17716255952ac5581c5217f895d4"></a>
+typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><b>bme680_delay_fptr_t</b>) (uint32_t period)</td></tr>
+<tr class="separator:a596d17716255952ac5581c5217f895d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>Sensor driver for BME680 sensor. </p>
+<p>Copyright (C) 2017 - 2018 Bosch Sensortec GmbH</p>
+<p>Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:</p>
+<p>Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.</p>
+<p>Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.</p>
+<p>Neither the name of the copyright holder nor the names of the contributors may be used to endorse or promote products derived from this software without specific prior written permission.</p>
+<p>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE</p>
+<p>The information provided is believed to be accurate and reliable. The copyright holder assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of the copyright holder.</p>
+<dl class="section date"><dt>Date</dt><dd>5 Jul 2017 </dd></dl>
+<dl class="section version"><dt>Version</dt><dd>3.5.1</dd></dl>
+</div><h2 class="groupheader">Macro Definition Documentation</h2>
+<a id="af6a74cbd7c52c150a5d83766e86f3bf1"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af6a74cbd7c52c150a5d83766e86f3bf1">&#9670;&nbsp;</a></span>BME680_ADDR_RES_HEAT_VAL_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_ADDR_RES_HEAT_VAL_ADDR&#160;&#160;&#160;UINT8_C(0x00)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Register map Other coefficient's address </p>
+
+</div>
+</div>
+<a id="a762d33b22cceaa1f90dc2044ace463ee"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a762d33b22cceaa1f90dc2044ace463ee">&#9670;&nbsp;</a></span>BME680_CHIP_ID</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_CHIP_ID&#160;&#160;&#160;UINT8_C(0x61)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 unique chip identifier </p>
+
+</div>
+</div>
+<a id="aa24d214515e9c3606dcefb874888c055"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa24d214515e9c3606dcefb874888c055">&#9670;&nbsp;</a></span>BME680_CHIP_ID_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_CHIP_ID_ADDR&#160;&#160;&#160;UINT8_C(0xd0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Chip identifier </p>
+
+</div>
+</div>
+<a id="a839d12e3afe0332b3383be0e258c472e"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a839d12e3afe0332b3383be0e258c472e">&#9670;&nbsp;</a></span>BME680_COEFF_ADDR1</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_COEFF_ADDR1&#160;&#160;&#160;UINT8_C(0x89)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Coefficient's address </p>
+
+</div>
+</div>
+<a id="a4cf6e3574a83160f0adbfcf8cc5e3729"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a4cf6e3574a83160f0adbfcf8cc5e3729">&#9670;&nbsp;</a></span>BME680_COEFF_SIZE</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_COEFF_SIZE&#160;&#160;&#160;UINT8_C(0x41)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 coefficients related defines </p>
+
+</div>
+</div>
+<a id="a9aac51cc4b47a1f1c9f30c07026840ab"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9aac51cc4b47a1f1c9f30c07026840ab">&#9670;&nbsp;</a></span>BME680_CONCAT_BYTES</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_CONCAT_BYTES</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">msb, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">lsb&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td>&#160;&#160;&#160;(((uint16_t)msb &lt;&lt; 8) | (uint16_t)lsb)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Macro to combine two 8 bit data's to form a 16 bit data </p>
+
+</div>
+</div>
+<a id="a995aae4506cba06c735bb2ff37fbca49"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a995aae4506cba06c735bb2ff37fbca49">&#9670;&nbsp;</a></span>BME680_CONF_HEAT_CTRL_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_CONF_HEAT_CTRL_ADDR&#160;&#160;&#160;UINT8_C(0x70)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sensor configuration registers </p>
+
+</div>
+</div>
+<a id="ad5a18c765061877212395397d58e2c20"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ad5a18c765061877212395397d58e2c20">&#9670;&nbsp;</a></span>BME680_DISABLE_GAS_MEAS</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_DISABLE_GAS_MEAS&#160;&#160;&#160;UINT8_C(0x00)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Gas measurement settings </p>
+
+</div>
+</div>
+<a id="a9e973dfcc1a103110cc44077f3ed86c1"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9e973dfcc1a103110cc44077f3ed86c1">&#9670;&nbsp;</a></span>BME680_ENABLE_HEATER</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_ENABLE_HEATER&#160;&#160;&#160;UINT8_C(0x00)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Heater control settings </p>
+
+</div>
+</div>
+<a id="aa1126d8a0cab009b3812d4dba28beec3"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa1126d8a0cab009b3812d4dba28beec3">&#9670;&nbsp;</a></span>BME680_FIELD0_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_FIELD0_ADDR&#160;&#160;&#160;UINT8_C(0x1d)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Field settings </p>
+
+</div>
+</div>
+<a id="a7cb775d981358b7e58eb8db0094bd1d7"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7cb775d981358b7e58eb8db0094bd1d7">&#9670;&nbsp;</a></span>BME680_FIELD_LENGTH</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_FIELD_LENGTH&#160;&#160;&#160;UINT8_C(15)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 field_x related defines </p>
+
+</div>
+</div>
+<a id="a5edcb9fcb77440f52d2b2865a89b5475"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a5edcb9fcb77440f52d2b2865a89b5475">&#9670;&nbsp;</a></span>BME680_FILTER_SIZE_0</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_FILTER_SIZE_0&#160;&#160;&#160;UINT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>IIR filter settings </p>
+
+</div>
+</div>
+<a id="adff9a0ef09e48aa5fcecc9bcfb0bf6f2"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#adff9a0ef09e48aa5fcecc9bcfb0bf6f2">&#9670;&nbsp;</a></span>BME680_GAS_MEAS_MSK</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_GAS_MEAS_MSK&#160;&#160;&#160;UINT8_C(0x30)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Mask definitions </p>
+
+</div>
+</div>
+<a id="aa72739940e9ab88370b0ae23ef687f15"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa72739940e9ab88370b0ae23ef687f15">&#9670;&nbsp;</a></span>BME680_GAS_MEAS_POS</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_GAS_MEAS_POS&#160;&#160;&#160;UINT8_C(4)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Bit position definitions for sensor settings </p>
+
+</div>
+</div>
+<a id="a08f4b60cad6cc750b3fe2a0f4377c192"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a08f4b60cad6cc750b3fe2a0f4377c192">&#9670;&nbsp;</a></span>BME680_GET_BITS</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_GET_BITS</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg_data, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">bitname&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<b>Value:</b><div class="fragment"><div class="line">((reg_data &amp; (bitname##_MSK)) &gt;&gt; \</div><div class="line">    (bitname##_POS))</div></div><!-- fragment -->
+</div>
+</div>
+<a id="aa9320cbf90a9bb81b912da4bf036e73b"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa9320cbf90a9bb81b912da4bf036e73b">&#9670;&nbsp;</a></span>BME680_HUM_REG_SHIFT_VAL</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_HUM_REG_SHIFT_VAL&#160;&#160;&#160;UINT8_C(4)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Ambient humidity shift value for compensation </p>
+
+</div>
+</div>
+<a id="af27a16304a83f75bb23883d754610df3"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af27a16304a83f75bb23883d754610df3">&#9670;&nbsp;</a></span>BME680_I2C_ADDR_PRIMARY</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_I2C_ADDR_PRIMARY&#160;&#160;&#160;UINT8_C(0x76)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 I2C addresses </p>
+
+</div>
+</div>
+<a id="a2af2d059c5cdc5925dc050a5d67f2d0b"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a2af2d059c5cdc5925dc050a5d67f2d0b">&#9670;&nbsp;</a></span>BME680_MEM_PAGE0</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_MEM_PAGE0&#160;&#160;&#160;UINT8_C(0x10)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>SPI memory page settings </p>
+
+</div>
+</div>
+<a id="a8b0bdbbedd050d35a8bc27e23c9c96c4"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a8b0bdbbedd050d35a8bc27e23c9c96c4">&#9670;&nbsp;</a></span>BME680_NBCONV_MIN</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_NBCONV_MIN&#160;&#160;&#160;UINT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Number of conversion settings </p>
+
+</div>
+</div>
+<a id="a2e82e5c447a9dbbeebf95b1ba189effb"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a2e82e5c447a9dbbeebf95b1ba189effb">&#9670;&nbsp;</a></span>BME680_OK</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_OK&#160;&#160;&#160;INT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Error code definitions </p>
+
+</div>
+</div>
+<a id="a5ba113b3902da4c9baf45da5f32958d0"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a5ba113b3902da4c9baf45da5f32958d0">&#9670;&nbsp;</a></span>BME680_OS_NONE</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_OS_NONE&#160;&#160;&#160;UINT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Over-sampling settings </p>
+
+</div>
+</div>
+<a id="a7ecfc9ebc2dc3fae358c38215821db6d"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7ecfc9ebc2dc3fae358c38215821db6d">&#9670;&nbsp;</a></span>BME680_OST_SEL</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_OST_SEL&#160;&#160;&#160;UINT16_C(1)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Settings selector </p>
+
+</div>
+</div>
+<a id="a7545f57cf8b21f71292f4d2998049ab0"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7545f57cf8b21f71292f4d2998049ab0">&#9670;&nbsp;</a></span>BME680_POLL_PERIOD_MS</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_POLL_PERIOD_MS&#160;&#160;&#160;UINT8_C(10)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 General config </p>
+
+</div>
+</div>
+<a id="abead566b839b70723d7dc5be6eb65c12"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#abead566b839b70723d7dc5be6eb65c12">&#9670;&nbsp;</a></span>BME680_REG_FILTER_INDEX</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_REG_FILTER_INDEX&#160;&#160;&#160;UINT8_C(5)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>BME680 register buffer index settings </p>
+
+</div>
+</div>
+<a id="ad1429130a198bff35d0bb98bd1d4cbc1"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ad1429130a198bff35d0bb98bd1d4cbc1">&#9670;&nbsp;</a></span>BME680_RES_HEAT0_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_RES_HEAT0_ADDR&#160;&#160;&#160;UINT8_C(0x5a)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Heater settings </p>
+
+</div>
+</div>
+<a id="a6409d476475762c095a746a1b785bdd6"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a6409d476475762c095a746a1b785bdd6">&#9670;&nbsp;</a></span>BME680_RESET_PERIOD</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_RESET_PERIOD&#160;&#160;&#160;UINT32_C(10)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Delay related macro declaration </p>
+
+</div>
+</div>
+<a id="a7cdfa822370f97878b251ec8ae437ad8"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7cdfa822370f97878b251ec8ae437ad8">&#9670;&nbsp;</a></span>BME680_RUN_GAS_DISABLE</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_RUN_GAS_DISABLE&#160;&#160;&#160;UINT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Run gas enable and disable settings </p>
+
+</div>
+</div>
+<a id="aa2dfae23c0c4a846bde4fdf3780c390e"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa2dfae23c0c4a846bde4fdf3780c390e">&#9670;&nbsp;</a></span>BME680_SET_BITS</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_SET_BITS</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg_data, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">bitname, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">data&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<b>Value:</b><div class="fragment"><div class="line">((reg_data &amp; ~(bitname##_MSK)) | \</div><div class="line">        ((data &lt;&lt; bitname##_POS) &amp; bitname##_MSK))</div></div><!-- fragment --><p>Macro to SET and GET BITS of a register </p>
+
+</div>
+</div>
+<a id="a5e3fed11d9e1cb98d8c05bc5f418d4e8"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a5e3fed11d9e1cb98d8c05bc5f418d4e8">&#9670;&nbsp;</a></span>BME680_SET_BITS_POS_0</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_SET_BITS_POS_0</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg_data, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">bitname, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">data&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<b>Value:</b><div class="fragment"><div class="line">((reg_data &amp; ~(bitname##_MSK)) | \</div><div class="line">                (data &amp; bitname##_MSK))</div></div><!-- fragment --><p>Macro variant to handle the bitname position if it is zero </p>
+
+</div>
+</div>
+<a id="a9fc5e8034aa79028c0286ea4c974ee69"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9fc5e8034aa79028c0286ea4c974ee69">&#9670;&nbsp;</a></span>BME680_SLEEP_MODE</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_SLEEP_MODE&#160;&#160;&#160;UINT8_C(0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Power mode settings </p>
+
+</div>
+</div>
+<a id="a69bae1e3eba277068c1055e3028bbf41"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a69bae1e3eba277068c1055e3028bbf41">&#9670;&nbsp;</a></span>BME680_SOFT_RESET_ADDR</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_SOFT_RESET_ADDR&#160;&#160;&#160;UINT8_C(0xe0)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Soft reset register </p>
+
+</div>
+</div>
+<a id="a6da379a1060ef5079d34ba88191c3488"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a6da379a1060ef5079d34ba88191c3488">&#9670;&nbsp;</a></span>BME680_SOFT_RESET_CMD</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_SOFT_RESET_CMD&#160;&#160;&#160;UINT8_C(0xb6)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Soft reset command </p>
+
+</div>
+</div>
+<a id="ab0bf47738f04f4e67488166d66096752"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ab0bf47738f04f4e67488166d66096752">&#9670;&nbsp;</a></span>BME680_T2_LSB_REG</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_T2_LSB_REG&#160;&#160;&#160;(1)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Array Index to Field data mapping for Calibration Data </p>
+
+</div>
+</div>
+<a id="a9be3bfa321b5d7b421ae2b8900d49eff"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9be3bfa321b5d7b421ae2b8900d49eff">&#9670;&nbsp;</a></span>BME680_TMP_BUFFER_LENGTH</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define BME680_TMP_BUFFER_LENGTH&#160;&#160;&#160;UINT8_C(40)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Buffer length macro declaration </p>
+
+</div>
+</div>
+<h2 class="groupheader">Typedef Documentation</h2>
+<a id="aa7d183195e66f1db50f64f3a3d4ede57"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa7d183195e66f1db50f64f3a3d4ede57">&#9670;&nbsp;</a></span>bme680_com_fptr_t</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">typedef int8_t(* bme680_com_fptr_t) (uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len)</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Type definitions </p>
+
+</div>
+</div>
+<h2 class="groupheader">Enumeration Type Documentation</h2>
+<a id="a2232c03d0c1282e976af41b39e1b87d6"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a2232c03d0c1282e976af41b39e1b87d6">&#9670;&nbsp;</a></span>bme680_intf</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">enum <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_intf</a></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Interface selection Enumerations. </p>
+<table class="fieldtable">
+<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3"></a>BME680_SPI_INTF&#160;</td><td class="fielddoc"><p>SPI interface </p>
+</td></tr>
+<tr><td class="fieldname"><a id="a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5"></a>BME680_I2C_INTF&#160;</td><td class="fielddoc"><p>I2C interface </p>
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+<div class="title">bme680_defs.h</div>  </div>
+</div><!--header-->
+<div class="contents">
+<a href="bme680__defs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">#ifndef BME680_DEFS_H_</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#define BME680_DEFS_H_</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">/********************************************************/</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">/* header includes */</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#ifdef __KERNEL__</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#include &lt;linux/types.h&gt;</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">#ifdef __KERNEL__</span></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#if (LONG_MAX) &gt; 0x7fffffff</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#define __have_long64   1</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">#elif (LONG_MAX) == 0x7fffffff</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#define __have_long32   1</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#if !defined(UINT8_C)</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor">#define INT8_C(x)       x</span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor">#if (INT_MAX) &gt; 0x7f</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#define UINT8_C(x)      x</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">#define UINT8_C(x)      x##U</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#if !defined(UINT16_C)</span></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#define INT16_C(x)      x</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor">#if (INT_MAX) &gt; 0x7fff</span></div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor">#define UINT16_C(x)     x</span></div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="preprocessor">#define UINT16_C(x)     x##U</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#if !defined(INT32_C) &amp;&amp; !defined(UINT32_C)</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#if __have_long32</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#define INT32_C(x)      x##L</span></div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor">#define UINT32_C(x)     x##UL</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor">#define INT32_C(x)      x</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="preprocessor">#define UINT32_C(x)     x##U</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">#if !defined(INT64_C) &amp;&amp; !defined(UINT64_C)</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#if __have_long64</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">#define INT64_C(x)      x##L</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#define UINT64_C(x)     x##UL</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#define INT64_C(x)      x##LL</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">#define UINT64_C(x)     x##ULL</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor">#ifndef NULL</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">#ifdef 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UINT8_C(10)</span></div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#af27a16304a83f75bb23883d754610df3">  126</a></span>&#160;<span class="preprocessor">#define BME680_I2C_ADDR_PRIMARY     UINT8_C(0x76)</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">#define BME680_I2C_ADDR_SECONDARY   UINT8_C(0x77)</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a762d33b22cceaa1f90dc2044ace463ee">  130</a></span>&#160;<span class="preprocessor">#define BME680_CHIP_ID  UINT8_C(0x61)</span></div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a4cf6e3574a83160f0adbfcf8cc5e3729">  133</a></span>&#160;<span class="preprocessor">#define BME680_COEFF_SIZE       UINT8_C(0x41)</span></div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#define BME680_COEFF_ADDR1_LEN      UINT8_C(25)</span></div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#define BME680_COEFF_ADDR2_LEN      UINT8_C(16)</span></div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a7cb775d981358b7e58eb8db0094bd1d7">  138</a></span>&#160;<span class="preprocessor">#define BME680_FIELD_LENGTH     UINT8_C(15)</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">#define BME680_FIELD_ADDR_OFFSET    UINT8_C(17)</span></div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a6da379a1060ef5079d34ba88191c3488">  142</a></span>&#160;<span class="preprocessor">#define BME680_SOFT_RESET_CMD   UINT8_C(0xb6)</span></div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a2e82e5c447a9dbbeebf95b1ba189effb">  145</a></span>&#160;<span class="preprocessor">#define BME680_OK       INT8_C(0)</span></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="comment">/* Errors */</span></div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="preprocessor">#define BME680_E_NULL_PTR           INT8_C(-1)</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="preprocessor">#define BME680_E_COM_FAIL           INT8_C(-2)</span></div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#define BME680_E_DEV_NOT_FOUND      INT8_C(-3)</span></div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor">#define BME680_E_INVALID_LENGTH     INT8_C(-4)</span></div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="comment">/* Warnings */</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">#define BME680_W_DEFINE_PWR_MODE    INT8_C(1)</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">#define BME680_W_NO_NEW_DATA        INT8_C(2)</span></div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment">/* Info&#39;s */</span></div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">#define BME680_I_MIN_CORRECTION     UINT8_C(1)</span></div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#define BME680_I_MAX_CORRECTION     UINT8_C(2)</span></div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#af6a74cbd7c52c150a5d83766e86f3bf1">  162</a></span>&#160;<span class="preprocessor">#define BME680_ADDR_RES_HEAT_VAL_ADDR   UINT8_C(0x00)</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="preprocessor">#define BME680_ADDR_RES_HEAT_RANGE_ADDR UINT8_C(0x02)</span></div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="preprocessor">#define BME680_ADDR_RANGE_SW_ERR_ADDR   UINT8_C(0x04)</span></div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="preprocessor">#define BME680_ADDR_SENS_CONF_START UINT8_C(0x5A)</span></div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="preprocessor">#define BME680_ADDR_GAS_CONF_START  UINT8_C(0x64)</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#aa1126d8a0cab009b3812d4dba28beec3">  169</a></span>&#160;<span class="preprocessor">#define BME680_FIELD0_ADDR      UINT8_C(0x1d)</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#ad1429130a198bff35d0bb98bd1d4cbc1">  172</a></span>&#160;<span class="preprocessor">#define BME680_RES_HEAT0_ADDR       UINT8_C(0x5a)</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor">#define BME680_GAS_WAIT0_ADDR       UINT8_C(0x64)</span></div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a995aae4506cba06c735bb2ff37fbca49">  176</a></span>&#160;<span class="preprocessor">#define BME680_CONF_HEAT_CTRL_ADDR      UINT8_C(0x70)</span></div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="preprocessor">#define BME680_CONF_ODR_RUN_GAS_NBC_ADDR    UINT8_C(0x71)</span></div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">#define BME680_CONF_OS_H_ADDR           UINT8_C(0x72)</span></div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="preprocessor">#define BME680_MEM_PAGE_ADDR            UINT8_C(0xf3)</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="preprocessor">#define BME680_CONF_T_P_MODE_ADDR       UINT8_C(0x74)</span></div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="preprocessor">#define BME680_CONF_ODR_FILT_ADDR       UINT8_C(0x75)</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a839d12e3afe0332b3383be0e258c472e">  184</a></span>&#160;<span class="preprocessor">#define BME680_COEFF_ADDR1  UINT8_C(0x89)</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="preprocessor">#define BME680_COEFF_ADDR2  UINT8_C(0xe1)</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#aa24d214515e9c3606dcefb874888c055">  188</a></span>&#160;<span class="preprocessor">#define BME680_CHIP_ID_ADDR UINT8_C(0xd0)</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a69bae1e3eba277068c1055e3028bbf41">  191</a></span>&#160;<span class="preprocessor">#define BME680_SOFT_RESET_ADDR      UINT8_C(0xe0)</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a9e973dfcc1a103110cc44077f3ed86c1">  194</a></span>&#160;<span class="preprocessor">#define BME680_ENABLE_HEATER        UINT8_C(0x00)</span></div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor">#define BME680_DISABLE_HEATER       UINT8_C(0x08)</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#ad5a18c765061877212395397d58e2c20">  198</a></span>&#160;<span class="preprocessor">#define BME680_DISABLE_GAS_MEAS     UINT8_C(0x00)</span></div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="preprocessor">#define BME680_ENABLE_GAS_MEAS      UINT8_C(0x01)</span></div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a5ba113b3902da4c9baf45da5f32958d0">  202</a></span>&#160;<span class="preprocessor">#define BME680_OS_NONE      UINT8_C(0)</span></div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor">#define BME680_OS_1X        UINT8_C(1)</span></div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor">#define BME680_OS_2X        UINT8_C(2)</span></div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="preprocessor">#define BME680_OS_4X        UINT8_C(3)</span></div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="preprocessor">#define BME680_OS_8X        UINT8_C(4)</span></div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor">#define BME680_OS_16X       UINT8_C(5)</span></div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a5edcb9fcb77440f52d2b2865a89b5475">  210</a></span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_0    UINT8_C(0)</span></div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_1    UINT8_C(1)</span></div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_3    UINT8_C(2)</span></div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_7    UINT8_C(3)</span></div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_15   UINT8_C(4)</span></div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_31   UINT8_C(5)</span></div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_63   UINT8_C(6)</span></div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="preprocessor">#define BME680_FILTER_SIZE_127  UINT8_C(7)</span></div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a9fc5e8034aa79028c0286ea4c974ee69">  220</a></span>&#160;<span class="preprocessor">#define BME680_SLEEP_MODE   UINT8_C(0)</span></div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="preprocessor">#define BME680_FORCED_MODE  UINT8_C(1)</span></div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a6409d476475762c095a746a1b785bdd6">  224</a></span>&#160;<span class="preprocessor">#define BME680_RESET_PERIOD     UINT32_C(10)</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a2af2d059c5cdc5925dc050a5d67f2d0b">  227</a></span>&#160;<span class="preprocessor">#define BME680_MEM_PAGE0    UINT8_C(0x10)</span></div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="preprocessor">#define BME680_MEM_PAGE1    UINT8_C(0x00)</span></div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#aa9320cbf90a9bb81b912da4bf036e73b">  231</a></span>&#160;<span class="preprocessor">#define BME680_HUM_REG_SHIFT_VAL    UINT8_C(4)</span></div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a7cdfa822370f97878b251ec8ae437ad8">  234</a></span>&#160;<span class="preprocessor">#define BME680_RUN_GAS_DISABLE  UINT8_C(0)</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="preprocessor">#define BME680_RUN_GAS_ENABLE   UINT8_C(1)</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a9be3bfa321b5d7b421ae2b8900d49eff">  238</a></span>&#160;<span class="preprocessor">#define BME680_TMP_BUFFER_LENGTH    UINT8_C(40)</span></div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="preprocessor">#define BME680_REG_BUFFER_LENGTH    UINT8_C(6)</span></div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="preprocessor">#define BME680_FIELD_DATA_LENGTH    UINT8_C(3)</span></div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="preprocessor">#define BME680_GAS_REG_BUF_LENGTH   UINT8_C(20)</span></div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="preprocessor">#define BME680_GAS_HEATER_PROF_LEN_MAX  UINT8_C(10)</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div><div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a7ecfc9ebc2dc3fae358c38215821db6d">  245</a></span>&#160;<span class="preprocessor">#define BME680_OST_SEL          UINT16_C(1)</span></div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="preprocessor">#define BME680_OSP_SEL          UINT16_C(2)</span></div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="preprocessor">#define BME680_OSH_SEL          UINT16_C(4)</span></div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="preprocessor">#define BME680_GAS_MEAS_SEL     UINT16_C(8)</span></div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="preprocessor">#define BME680_FILTER_SEL       UINT16_C(16)</span></div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="preprocessor">#define BME680_HCNTRL_SEL       UINT16_C(32)</span></div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="preprocessor">#define BME680_RUN_GAS_SEL      UINT16_C(64)</span></div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">#define BME680_NBCONV_SEL       128</span></div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="preprocessor">#define BME680_GAS_SENSOR_SEL       UINT16_C(BME680_GAS_MEAS_SEL | BME680_RUN_GAS_SEL | BME680_NBCONV_SEL)</span></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#a8b0bdbbedd050d35a8bc27e23c9c96c4">  256</a></span>&#160;<span class="preprocessor">#define BME680_NBCONV_MIN       UINT8_C(0)</span></div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor">#define BME680_NBCONV_MAX       UINT8_C(10)</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;</div><div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#adff9a0ef09e48aa5fcecc9bcfb0bf6f2">  260</a></span>&#160;<span class="preprocessor">#define BME680_GAS_MEAS_MSK UINT8_C(0x30)</span></div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor">#define BME680_NBCONV_MSK   UINT8_C(0X0F)</span></div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="preprocessor">#define BME680_FILTER_MSK   UINT8_C(0X1C)</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">#define BME680_OST_MSK      UINT8_C(0XE0)</span></div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="preprocessor">#define BME680_OSP_MSK      UINT8_C(0X1C)</span></div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor">#define BME680_OSH_MSK      UINT8_C(0X07)</span></div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="preprocessor">#define BME680_HCTRL_MSK    UINT8_C(0x08)</span></div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">#define BME680_RUN_GAS_MSK  UINT8_C(0x10)</span></div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="preprocessor">#define BME680_MODE_MSK     UINT8_C(0x03)</span></div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="preprocessor">#define BME680_RHRANGE_MSK  UINT8_C(0x30)</span></div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="preprocessor">#define BME680_RSERROR_MSK  UINT8_C(0xf0)</span></div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor">#define BME680_NEW_DATA_MSK UINT8_C(0x80)</span></div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">#define BME680_GAS_INDEX_MSK    UINT8_C(0x0f)</span></div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="preprocessor">#define BME680_GAS_RANGE_MSK    UINT8_C(0x0f)</span></div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="preprocessor">#define BME680_GASM_VALID_MSK   UINT8_C(0x20)</span></div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="preprocessor">#define BME680_HEAT_STAB_MSK    UINT8_C(0x10)</span></div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="preprocessor">#define BME680_MEM_PAGE_MSK UINT8_C(0x10)</span></div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="preprocessor">#define BME680_SPI_RD_MSK   UINT8_C(0x80)</span></div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="preprocessor">#define BME680_SPI_WR_MSK   UINT8_C(0x7f)</span></div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="preprocessor">#define BME680_BIT_H1_DATA_MSK  UINT8_C(0x0F)</span></div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div><div class="line"><a name="l00282"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#aa72739940e9ab88370b0ae23ef687f15">  282</a></span>&#160;<span class="preprocessor">#define BME680_GAS_MEAS_POS UINT8_C(4)</span></div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="preprocessor">#define BME680_FILTER_POS   UINT8_C(2)</span></div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor">#define BME680_OST_POS      UINT8_C(5)</span></div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="preprocessor">#define BME680_OSP_POS      UINT8_C(2)</span></div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="preprocessor">#define BME680_RUN_GAS_POS  UINT8_C(4)</span></div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno"><a class="line" href="bme680__defs_8h.html#ab0bf47738f04f4e67488166d66096752">  289</a></span>&#160;<span class="preprocessor">#define BME680_T2_LSB_REG   (1)</span></div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor">#define BME680_T2_MSB_REG   (2)</span></div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor">#define BME680_T3_REG       (3)</span></div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="preprocessor">#define BME680_P1_LSB_REG   (5)</span></div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="preprocessor">#define BME680_P1_MSB_REG   (6)</span></div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="preprocessor">#define BME680_P2_LSB_REG   (7)</span></div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="preprocessor">#define BME680_P2_MSB_REG   (8)</span></div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor">#define BME680_P3_REG       (9)</span></div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor">#define BME680_P4_LSB_REG   (11)</span></div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="preprocessor">#define BME680_P4_MSB_REG   (12)</span></div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="preprocessor">#define BME680_P5_LSB_REG   (13)</span></div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="preprocessor">#define BME680_P5_MSB_REG   (14)</span></div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="preprocessor">#define BME680_P7_REG       (15)</span></div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="preprocessor">#define BME680_P6_REG       (16)</span></div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="preprocessor">#define BME680_P8_LSB_REG   (19)</span></div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="preprocessor">#define BME680_P8_MSB_REG   (20)</span></div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="preprocessor">#define BME680_P9_LSB_REG   (21)</span></div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="preprocessor">#define BME680_P9_MSB_REG   (22)</span></div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="preprocessor">#define BME680_P10_REG      (23)</span></div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="preprocessor">#define BME680_H2_MSB_REG   (25)</span></div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="preprocessor">#define BME680_H2_LSB_REG   (26)</span></div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="preprocessor">#define BME680_H1_LSB_REG   (26)</span></div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="preprocessor">#define BME680_H1_MSB_REG   (27)</span></div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="preprocessor">#define BME680_H3_REG       (28)</span></div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor">#define BME680_H4_REG       (29)</span></div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor">#define BME680_H5_REG       (30)</span></div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="preprocessor">#define BME680_H6_REG       (31)</span></div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="preprocessor">#define BME680_H7_REG       (32)</span></div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="preprocessor">#define BME680_T1_LSB_REG   (33)</span></div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="preprocessor">#define BME680_T1_MSB_REG   (34)</span></div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="preprocessor">#define BME680_GH2_LSB_REG  (35)</span></div><div class="line"><a name="l00320"></a><span class="lineno">  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href="structbme680__dev.html#a3698643172429ac7a5d9fd8d7a37c283">  496</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a3698643172429ac7a5d9fd8d7a37c283">chip_id</a>;</div><div class="line"><a name="l00498"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a71b6ddedf9606872d64bc6239b8e5838">  498</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a71b6ddedf9606872d64bc6239b8e5838">dev_id</a>;</div><div class="line"><a name="l00500"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a6000144e9ce5cca76d3945f61b1d4ac9">  500</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_intf</a> intf;</div><div class="line"><a name="l00502"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a388e543d88b93a2a5c91e1f66ed0e998">  502</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a388e543d88b93a2a5c91e1f66ed0e998">mem_page</a>;</div><div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="structbme680__dev.html#ae9b2a0368dcafa1a6ea9e4e3ae84c77b">  504</a></span>&#160;    int8_t <a class="code" href="structbme680__dev.html#ae9b2a0368dcafa1a6ea9e4e3ae84c77b">amb_temp</a>;</div><div class="line"><a name="l00506"></a><span class="lineno"><a class="line" href="structbme680__dev.html#ad73f25d84281fa4fbc15c1b40cfc0fb7">  506</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structbme680__calib__data.html">bme680_calib_data</a> calib;</div><div class="line"><a name="l00508"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a38a17360e0b57778b734393e80819294">  508</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structbme680__tph__sett.html">bme680_tph_sett</a> tph_sett;</div><div class="line"><a name="l00510"></a><span class="lineno"><a class="line" href="structbme680__dev.html#aaf0d4528b207d86b53e14a907bb3d7b8">  510</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structbme680__gas__sett.html">bme680_gas_sett</a> gas_sett;</div><div class="line"><a name="l00512"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a7b2b2947aa6a6e336c90811373de1a6b">  512</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a7b2b2947aa6a6e336c90811373de1a6b">power_mode</a>;</div><div class="line"><a name="l00514"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a488698f8c1c548bb19ac1f8ee67cbadd">  514</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a488698f8c1c548bb19ac1f8ee67cbadd">new_fields</a>;</div><div class="line"><a name="l00516"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a7bb14424d37da3c8fb0a527b7967a0d5">  516</a></span>&#160;    uint8_t <a class="code" href="structbme680__dev.html#a7bb14424d37da3c8fb0a527b7967a0d5">info_msg</a>;</div><div class="line"><a name="l00518"></a><span class="lineno"><a class="line" href="structbme680__dev.html#aa36aaa5af7488e1a9dce5b8b834b1956">  518</a></span>&#160;    <a class="code" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a> <a class="code" href="structbme680__dev.html#aa36aaa5af7488e1a9dce5b8b834b1956">read</a>;</div><div class="line"><a name="l00520"></a><span class="lineno"><a class="line" href="structbme680__dev.html#a5e1e5dad78b9831125c240dde61b13a2">  520</a></span>&#160;    <a class="code" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a> <a class="code" href="structbme680__dev.html#a5e1e5dad78b9831125c240dde61b13a2">write</a>;</div><div class="line"><a name="l00522"></a><span class="lineno"><a class="line" href="structbme680__dev.html#ac34a77bcf24d1f64fd53d3dcf23525a8">  522</a></span>&#160;    bme680_delay_fptr_t 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heatr_temp</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:486</div></div>
+<div class="ttc" id="structbme680__dev_html_a7b2b2947aa6a6e336c90811373de1a6b"><div class="ttname"><a href="structbme680__dev.html#a7b2b2947aa6a6e336c90811373de1a6b">bme680_dev::power_mode</a></div><div class="ttdeci">uint8_t power_mode</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:512</div></div>
+<div class="ttc" id="structbme680__gas__sett_html_ad0fd15bcd071158faaa40037171cd798"><div class="ttname"><a href="structbme680__gas__sett.html#ad0fd15bcd071158faaa40037171cd798">bme680_gas_sett::nb_conv</a></div><div class="ttdeci">uint8_t nb_conv</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:480</div></div>
+<div class="ttc" id="structbme680__tph__sett_html_ad754f858d10c2164e1d18756c9cf8db0"><div class="ttname"><a href="structbme680__tph__sett.html#ad754f858d10c2164e1d18756c9cf8db0">bme680_tph_sett::os_pres</a></div><div class="ttdeci">uint8_t os_pres</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:469</div></div>
+<div class="ttc" id="structbme680__field__data_html_a8954536ec56e28e4bc79ed7bf1bc5176"><div class="ttname"><a href="structbme680__field__data.html#a8954536ec56e28e4bc79ed7bf1bc5176">bme680_field_data::temperature</a></div><div class="ttdeci">int16_t temperature</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:390</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a0f01e767396f9328edb6e5ae9a314b2f"><div class="ttname"><a href="structbme680__calib__data.html#a0f01e767396f9328edb6e5ae9a314b2f">bme680_calib_data::par_t1</a></div><div class="ttdeci">uint16_t par_t1</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:424</div></div>
+<div class="ttc" id="structbme680__dev_html_a388e543d88b93a2a5c91e1f66ed0e998"><div class="ttname"><a href="structbme680__dev.html#a388e543d88b93a2a5c91e1f66ed0e998">bme680_dev::mem_page</a></div><div class="ttdeci">uint8_t mem_page</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:502</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aae7b1a022503644a5e31996a97c032ae"><div class="ttname"><a href="structbme680__calib__data.html#aae7b1a022503644a5e31996a97c032ae">bme680_calib_data::t_fine</a></div><div class="ttdeci">int32_t t_fine</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:450</div></div>
+<div class="ttc" id="structbme680__calib__data_html_af70bee9d3b48b1ce25557b2639093ef3"><div class="ttname"><a href="structbme680__calib__data.html#af70bee9d3b48b1ce25557b2639093ef3">bme680_calib_data::par_p6</a></div><div class="ttdeci">int8_t par_p6</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:440</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a49b5fb944862a2937be8aafee042108c"><div class="ttname"><a href="structbme680__calib__data.html#a49b5fb944862a2937be8aafee042108c">bme680_calib_data::par_p10</a></div><div class="ttdeci">uint8_t par_p10</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:448</div></div>
+<div class="ttc" id="structbme680__calib__data_html_afa1dcf66631dcb16aa8c091a65e1d580"><div class="ttname"><a href="structbme680__calib__data.html#afa1dcf66631dcb16aa8c091a65e1d580">bme680_calib_data::par_h5</a></div><div class="ttdeci">int8_t par_h5</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:412</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aeebd7cb98502f77c4cce34d6a9a1f6db"><div class="ttname"><a href="structbme680__calib__data.html#aeebd7cb98502f77c4cce34d6a9a1f6db">bme680_calib_data::par_gh2</a></div><div class="ttdeci">int16_t par_gh2</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:420</div></div>
+<div class="ttc" id="bme680__defs_8h_html_aa7d183195e66f1db50f64f3a3d4ede57"><div class="ttname"><a href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a></div><div class="ttdeci">int8_t(* bme680_com_fptr_t)(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len)</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:360</div></div>
+<div class="ttc" id="structbme680__tph__sett_html_a34ddef697ec00a902889ff3bf271afbf"><div class="ttname"><a href="structbme680__tph__sett.html#a34ddef697ec00a902889ff3bf271afbf">bme680_tph_sett::filter</a></div><div class="ttdeci">uint8_t filter</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:471</div></div>
+<div class="ttc" id="structbme680__field__data_html_add2cb9f6b7d736908aa9f75904122d3c"><div class="ttname"><a href="structbme680__field__data.html#add2cb9f6b7d736908aa9f75904122d3c">bme680_field_data::meas_index</a></div><div class="ttdeci">uint8_t meas_index</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:388</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a59dd799e9a4b5faad9b3755aeb88ad30"><div class="ttname"><a href="structbme680__calib__data.html#a59dd799e9a4b5faad9b3755aeb88ad30">bme680_calib_data::par_h7</a></div><div class="ttdeci">int8_t par_h7</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:416</div></div>
+<div class="ttc" id="bme680__defs_8h_html_a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5"><div class="ttname"><a href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5">BME680_I2C_INTF</a></div><div class="ttdef"><b>Definition:</b> bme680_defs.h:375</div></div>
+<div class="ttc" id="structbme680__dev_html_a488698f8c1c548bb19ac1f8ee67cbadd"><div class="ttname"><a href="structbme680__dev.html#a488698f8c1c548bb19ac1f8ee67cbadd">bme680_dev::new_fields</a></div><div class="ttdeci">uint8_t new_fields</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:514</div></div>
+<div class="ttc" id="structbme680__calib__data_html_ad97ebd01754136bd9af03c9e09c43005"><div class="ttname"><a href="structbme680__calib__data.html#ad97ebd01754136bd9af03c9e09c43005">bme680_calib_data::par_h6</a></div><div class="ttdeci">uint8_t par_h6</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:414</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aa77e96c4bd34ffd5611e014192b936fc"><div class="ttname"><a href="structbme680__calib__data.html#aa77e96c4bd34ffd5611e014192b936fc">bme680_calib_data::res_heat_val</a></div><div class="ttdeci">int8_t res_heat_val</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:454</div></div>
+<div class="ttc" id="structbme680__field__data_html_ac84103cb41a2fab9614a61b467e5410e"><div class="ttname"><a href="structbme680__field__data.html#ac84103cb41a2fab9614a61b467e5410e">bme680_field_data::humidity</a></div><div class="ttdeci">uint32_t humidity</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:394</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aaae5921c2ddbee1935665f428266f373"><div class="ttname"><a href="structbme680__calib__data.html#aaae5921c2ddbee1935665f428266f373">bme680_calib_data::par_gh3</a></div><div class="ttdeci">int8_t par_gh3</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:422</div></div>
+<div class="ttc" id="structbme680__tph__sett_html_a80a4dec6bde73d2083d464cb79ae8df8"><div class="ttname"><a href="structbme680__tph__sett.html#a80a4dec6bde73d2083d464cb79ae8df8">bme680_tph_sett::os_temp</a></div><div class="ttdeci">uint8_t os_temp</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:467</div></div>
+<div class="ttc" id="structbme680__gas__sett_html_a014791860332df8fab25684e443cd0ac"><div class="ttname"><a href="structbme680__gas__sett.html#a014791860332df8fab25684e443cd0ac">bme680_gas_sett::heatr_ctrl</a></div><div class="ttdeci">uint8_t heatr_ctrl</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:482</div></div>
+<div class="ttc" id="structbme680__calib__data_html_ad3af987b1e051ffb136efd2b8d2ba19e"><div class="ttname"><a href="structbme680__calib__data.html#ad3af987b1e051ffb136efd2b8d2ba19e">bme680_calib_data::par_p7</a></div><div class="ttdeci">int8_t par_p7</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:442</div></div>
+<div class="ttc" id="structbme680__dev_html_a7bb14424d37da3c8fb0a527b7967a0d5"><div class="ttname"><a href="structbme680__dev.html#a7bb14424d37da3c8fb0a527b7967a0d5">bme680_dev::info_msg</a></div><div class="ttdeci">uint8_t info_msg</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:516</div></div>
+<div class="ttc" id="structbme680__calib__data_html_acda7c141bb94e5e6b3654387fc8bce47"><div class="ttname"><a href="structbme680__calib__data.html#acda7c141bb94e5e6b3654387fc8bce47">bme680_calib_data::par_t3</a></div><div class="ttdeci">int8_t par_t3</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:428</div></div>
+<div class="ttc" id="structbme680__gas__sett_html"><div class="ttname"><a href="structbme680__gas__sett.html">bme680_gas_sett</a></div><div class="ttdoc">BME680 gas sensor which comprises of gas settings and status parameters. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:478</div></div>
+<div class="ttc" id="structbme680__calib__data_html_ae37d0c08a01ea1ecf19b82fe4b08f1a8"><div class="ttname"><a href="structbme680__calib__data.html#ae37d0c08a01ea1ecf19b82fe4b08f1a8">bme680_calib_data::res_heat_range</a></div><div class="ttdeci">uint8_t res_heat_range</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:452</div></div>
+<div class="ttc" id="structbme680__field__data_html_ae96ceedb9e36dc0671ac533e88160f5b"><div class="ttname"><a href="structbme680__field__data.html#ae96ceedb9e36dc0671ac533e88160f5b">bme680_field_data::gas_index</a></div><div class="ttdeci">uint8_t gas_index</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:386</div></div>
+<div class="ttc" id="bme680__defs_8h_html_a2232c03d0c1282e976af41b39e1b87d6"><div class="ttname"><a href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_intf</a></div><div class="ttdeci">bme680_intf</div><div class="ttdoc">Interface selection Enumerations. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:371</div></div>
+<div class="ttc" id="structbme680__field__data_html_a6ce58ca03356c0df2e4b02bac6c4ce26"><div class="ttname"><a href="structbme680__field__data.html#a6ce58ca03356c0df2e4b02bac6c4ce26">bme680_field_data::gas_resistance</a></div><div class="ttdeci">uint32_t gas_resistance</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:396</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aebe0a4d1259e37c56b57e221add89bd9"><div class="ttname"><a href="structbme680__calib__data.html#aebe0a4d1259e37c56b57e221add89bd9">bme680_calib_data::par_p9</a></div><div class="ttdeci">int16_t par_p9</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:446</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a14a76f440f0f9df731057cd511403a29"><div class="ttname"><a href="structbme680__calib__data.html#a14a76f440f0f9df731057cd511403a29">bme680_calib_data::par_h1</a></div><div class="ttdeci">uint16_t par_h1</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:404</div></div>
+<div class="ttc" id="structbme680__field__data_html_af52b43f86807c1f1ef7526bbb9584c5b"><div class="ttname"><a href="structbme680__field__data.html#af52b43f86807c1f1ef7526bbb9584c5b">bme680_field_data::status</a></div><div class="ttdeci">uint8_t status</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:384</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a8c241a150118622dcab5a1daae8c5893"><div class="ttname"><a href="structbme680__calib__data.html#a8c241a150118622dcab5a1daae8c5893">bme680_calib_data::par_h2</a></div><div class="ttdeci">uint16_t par_h2</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:406</div></div>
+<div class="ttc" id="structbme680__calib__data_html_ab9c4601c2e89a776257bbd27f66c9e2c"><div class="ttname"><a href="structbme680__calib__data.html#ab9c4601c2e89a776257bbd27f66c9e2c">bme680_calib_data::par_gh1</a></div><div class="ttdeci">int8_t par_gh1</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:418</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a43a808580e91172a5b840210e8a85bf0"><div class="ttname"><a href="structbme680__calib__data.html#a43a808580e91172a5b840210e8a85bf0">bme680_calib_data::par_h3</a></div><div class="ttdeci">int8_t par_h3</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:408</div></div>
+<div class="ttc" id="structbme680__dev_html_a5e1e5dad78b9831125c240dde61b13a2"><div class="ttname"><a href="structbme680__dev.html#a5e1e5dad78b9831125c240dde61b13a2">bme680_dev::write</a></div><div class="ttdeci">bme680_com_fptr_t write</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:520</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a997a9f626fb184d400c178c84575c01a"><div class="ttname"><a href="structbme680__calib__data.html#a997a9f626fb184d400c178c84575c01a">bme680_calib_data::par_p3</a></div><div class="ttdeci">int8_t par_p3</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:434</div></div>
+<div class="ttc" id="structbme680__dev_html_a71b6ddedf9606872d64bc6239b8e5838"><div class="ttname"><a href="structbme680__dev.html#a71b6ddedf9606872d64bc6239b8e5838">bme680_dev::dev_id</a></div><div class="ttdeci">uint8_t dev_id</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:498</div></div>
+<div class="ttc" id="structbme680__calib__data_html_ab42378cffea08117ba872e9b7b2e3580"><div class="ttname"><a href="structbme680__calib__data.html#ab42378cffea08117ba872e9b7b2e3580">bme680_calib_data::range_sw_err</a></div><div class="ttdeci">int8_t range_sw_err</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:456</div></div>
+<div class="ttc" id="structbme680__gas__sett_html_ac740d0456aafd8e5ac2cd7656260a527"><div class="ttname"><a href="structbme680__gas__sett.html#ac740d0456aafd8e5ac2cd7656260a527">bme680_gas_sett::heatr_dur</a></div><div class="ttdeci">uint16_t heatr_dur</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:488</div></div>
+<div class="ttc" id="structbme680__tph__sett_html_a12b21e2faba6c4e235f14070e9a9bb3e"><div class="ttname"><a href="structbme680__tph__sett.html#a12b21e2faba6c4e235f14070e9a9bb3e">bme680_tph_sett::os_hum</a></div><div class="ttdeci">uint8_t os_hum</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:465</div></div>
+<div class="ttc" id="structbme680__calib__data_html_adf1614f15852812b5a4346d75f9d37f4"><div class="ttname"><a href="structbme680__calib__data.html#adf1614f15852812b5a4346d75f9d37f4">bme680_calib_data::par_p5</a></div><div class="ttdeci">int16_t par_p5</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:438</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a5ba9c77d416227faae07642a7537788f"><div class="ttname"><a href="structbme680__calib__data.html#a5ba9c77d416227faae07642a7537788f">bme680_calib_data::par_t2</a></div><div class="ttdeci">int16_t par_t2</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:426</div></div>
+<div class="ttc" id="bme680__defs_8h_html_a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3"><div class="ttname"><a href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3">BME680_SPI_INTF</a></div><div class="ttdef"><b>Definition:</b> bme680_defs.h:373</div></div>
+<div class="ttc" id="structbme680__calib__data_html"><div class="ttname"><a href="structbme680__calib__data.html">bme680_calib_data</a></div><div class="ttdoc">Structure to hold the Calibration data. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:402</div></div>
+<div class="ttc" id="structbme680__dev_html_a3698643172429ac7a5d9fd8d7a37c283"><div class="ttname"><a href="structbme680__dev.html#a3698643172429ac7a5d9fd8d7a37c283">bme680_dev::chip_id</a></div><div class="ttdeci">uint8_t chip_id</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:496</div></div>
+<div class="ttc" id="structbme680__field__data_html_af92dbc060536ac0cd546a1f402fcecb4"><div class="ttname"><a href="structbme680__field__data.html#af92dbc060536ac0cd546a1f402fcecb4">bme680_field_data::pressure</a></div><div class="ttdeci">uint32_t pressure</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:392</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a8d73c2a1a2b56bd9530f467f86f02c7a"><div class="ttname"><a href="structbme680__calib__data.html#a8d73c2a1a2b56bd9530f467f86f02c7a">bme680_calib_data::par_h4</a></div><div class="ttdeci">int8_t par_h4</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:410</div></div>
+<div class="ttc" id="structbme680__dev_html_aa36aaa5af7488e1a9dce5b8b834b1956"><div class="ttname"><a href="structbme680__dev.html#aa36aaa5af7488e1a9dce5b8b834b1956">bme680_dev::read</a></div><div class="ttdeci">bme680_com_fptr_t read</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:518</div></div>
+<div class="ttc" id="structbme680__field__data_html"><div class="ttname"><a href="structbme680__field__data.html">bme680_field_data</a></div><div class="ttdoc">Sensor field data structure. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:382</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a97ee906971dca54be2deada4ede4664b"><div class="ttname"><a href="structbme680__calib__data.html#a97ee906971dca54be2deada4ede4664b">bme680_calib_data::par_p2</a></div><div class="ttdeci">int16_t par_p2</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:432</div></div>
+<div class="ttc" id="structbme680__dev_html_ae9b2a0368dcafa1a6ea9e4e3ae84c77b"><div class="ttname"><a href="structbme680__dev.html#ae9b2a0368dcafa1a6ea9e4e3ae84c77b">bme680_dev::amb_temp</a></div><div class="ttdeci">int8_t amb_temp</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:504</div></div>
+<div class="ttc" id="structbme680__tph__sett_html"><div class="ttname"><a href="structbme680__tph__sett.html">bme680_tph_sett</a></div><div class="ttdoc">BME680 sensor settings structure which comprises of ODR, over-sampling and filter settings...</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:463</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aac7cb7d36376532cd4a39aa5ddfe68c0"><div class="ttname"><a href="structbme680__calib__data.html#aac7cb7d36376532cd4a39aa5ddfe68c0">bme680_calib_data::par_p1</a></div><div class="ttdeci">uint16_t par_p1</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:430</div></div>
+<div class="ttc" id="structbme680__dev_html"><div class="ttname"><a href="structbme680__dev.html">bme680_dev</a></div><div class="ttdoc">BME680 device structure. </div><div class="ttdef"><b>Definition:</b> bme680_defs.h:494</div></div>
+<div class="ttc" id="structbme680__gas__sett_html_a01ce898d2f312f59dd4bda78d7abe951"><div class="ttname"><a href="structbme680__gas__sett.html#a01ce898d2f312f59dd4bda78d7abe951">bme680_gas_sett::run_gas</a></div><div class="ttdeci">uint8_t run_gas</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:484</div></div>
+<div class="ttc" id="structbme680__calib__data_html_a4e75e3ba3a52bda30daffc6c0e242c03"><div class="ttname"><a href="structbme680__calib__data.html#a4e75e3ba3a52bda30daffc6c0e242c03">bme680_calib_data::par_p8</a></div><div class="ttdeci">int16_t par_p8</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:444</div></div>
+<div class="ttc" id="structbme680__dev_html_a9baa012a046e51257ced31c2af0b01e5"><div class="ttname"><a href="structbme680__dev.html#a9baa012a046e51257ced31c2af0b01e5">bme680_dev::com_rslt</a></div><div class="ttdeci">int8_t com_rslt</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:524</div></div>
+<div class="ttc" id="structbme680__calib__data_html_aa5757dfc40816cf3c8e29e2aeb4a521a"><div class="ttname"><a href="structbme680__calib__data.html#aa5757dfc40816cf3c8e29e2aeb4a521a">bme680_calib_data::par_p4</a></div><div class="ttdeci">int16_t par_p4</div><div class="ttdef"><b>Definition:</b> bme680_defs.h:436</div></div>
+</div><!-- fragment --></div><!-- contents -->
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+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/class_adafruit___b_m_e680-members.html b/lib/Adafruit_BME680-1.0.5/docs/class_adafruit___b_m_e680-members.html
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+<meta name="generator" content="Doxygen 1.8.13"/>
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+<title>Adafruit BME680 Library: Member List</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
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+<div class="header">
+  <div class="headertitle">
+<div class="title">Adafruit_BME680 Member List</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a>, including all inherited members.</p>
+<table class="directory">
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a>(int8_t cspin=-1)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a8e89aaed66497bb2dde7ab678aa81173">Adafruit_BME680</a>(int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">begin</a>(uint8_t addr=BME680_DEFAULT_ADDRESS)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">gas_resistance</a></td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">humidity</a></td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">performReading</a>(void)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">pressure</a></td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">readAltitude</a>(float seaLevel)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">readGas</a>(void)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">readHumidity</a>(void)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">readPressure</a>(void)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">readTemperature</a>(void)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">setGasHeater</a>(uint16_t heaterTemp, uint16_t heaterTime)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">setHumidityOversampling</a>(uint8_t os)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77">setIIRFilterSize</a>(uint8_t fs)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c">setPressureOversampling</a>(uint8_t os)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6">setTemperatureOversampling</a>(uint8_t os)</td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">temperature</a></td><td class="entry"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a></td><td class="entry"></td></tr>
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+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/class_adafruit___b_m_e680.html b/lib/Adafruit_BME680-1.0.5/docs/class_adafruit___b_m_e680.html
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+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: Adafruit_BME680 Class Reference</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+<table cellspacing="0" cellpadding="0">
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+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
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+<!-- Generated by Doxygen 1.8.13 -->
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+
+</div><!-- top -->
+<div class="header">
+  <div class="summary">
+<a href="#pub-methods">Public Member Functions</a> &#124;
+<a href="#pub-attribs">Public Attributes</a> &#124;
+<a href="class_adafruit___b_m_e680-members.html">List of all members</a>  </div>
+  <div class="headertitle">
+<div class="title">Adafruit_BME680 Class Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p><code>#include &lt;<a class="el" href="_adafruit___b_m_e680_8h_source.html">Adafruit_BME680.h</a>&gt;</code></p>
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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+<tr class="memitem:af147d564868b9eac61a2c7fcd8f614cd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a> (int8_t cspin=-1)</td></tr>
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+<tr class="separator:af147d564868b9eac61a2c7fcd8f614cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a8e89aaed66497bb2dde7ab678aa81173"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a8e89aaed66497bb2dde7ab678aa81173">Adafruit_BME680</a> (int8_t cspin, int8_t mosipin, int8_t misopin, int8_t sckpin)</td></tr>
+<tr class="memdesc:a8e89aaed66497bb2dde7ab678aa81173"><td class="mdescLeft">&#160;</td><td class="mdescRight">Instantiates sensor with Software (bit-bang) SPI.  <a href="#a8e89aaed66497bb2dde7ab678aa81173">More...</a><br /></td></tr>
+<tr class="separator:a8e89aaed66497bb2dde7ab678aa81173"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ac6d9d5dc90424c2c3c3a3b311c1141dc"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">begin</a> (uint8_t addr=BME680_DEFAULT_ADDRESS)</td></tr>
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+<tr class="separator:ac6d9d5dc90424c2c3c3a3b311c1141dc"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a7b554e6edf5cea06cf480e53bcb65aec"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">readTemperature</a> (void)</td></tr>
+<tr class="memdesc:a7b554e6edf5cea06cf480e53bcb65aec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a reading and returns the ambient temperature.  <a href="#a7b554e6edf5cea06cf480e53bcb65aec">More...</a><br /></td></tr>
+<tr class="separator:a7b554e6edf5cea06cf480e53bcb65aec"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:afd081183a7845fee1d1c080cce20495e"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">readPressure</a> (void)</td></tr>
+<tr class="memdesc:afd081183a7845fee1d1c080cce20495e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a reading and returns the barometric pressure.  <a href="#afd081183a7845fee1d1c080cce20495e">More...</a><br /></td></tr>
+<tr class="separator:afd081183a7845fee1d1c080cce20495e"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a1402c97860f9c61bf133be7e7056658b"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">readHumidity</a> (void)</td></tr>
+<tr class="memdesc:a1402c97860f9c61bf133be7e7056658b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a reading and returns the relative humidity.  <a href="#a1402c97860f9c61bf133be7e7056658b">More...</a><br /></td></tr>
+<tr class="separator:a1402c97860f9c61bf133be7e7056658b"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ae0b55eb1049c5949ff186de86aaafb55"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">readGas</a> (void)</td></tr>
+<tr class="memdesc:ae0b55eb1049c5949ff186de86aaafb55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the resistance of the MOX gas sensor.  <a href="#ae0b55eb1049c5949ff186de86aaafb55">More...</a><br /></td></tr>
+<tr class="separator:ae0b55eb1049c5949ff186de86aaafb55"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a3caae92aa981508f0084b11b1fed4883"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">readAltitude</a> (float seaLevel)</td></tr>
+<tr class="memdesc:a3caae92aa981508f0084b11b1fed4883"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the altitude (in meters).  <a href="#a3caae92aa981508f0084b11b1fed4883">More...</a><br /></td></tr>
+<tr class="separator:a3caae92aa981508f0084b11b1fed4883"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+<tr class="memdesc:a640ee0a0cb7ca57af30e8408260cc6e6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setter for Temperature oversampling.  <a href="#a640ee0a0cb7ca57af30e8408260cc6e6">More...</a><br /></td></tr>
+<tr class="separator:a640ee0a0cb7ca57af30e8408260cc6e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+<tr class="memdesc:a73a9467c838951a187a268172a2b5d8c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setter for Pressure oversampling.  <a href="#a73a9467c838951a187a268172a2b5d8c">More...</a><br /></td></tr>
+<tr class="separator:a73a9467c838951a187a268172a2b5d8c"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:af1f05d2f024e946c1d7cbe3fb90b0859"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">setHumidityOversampling</a> (uint8_t os)</td></tr>
+<tr class="memdesc:af1f05d2f024e946c1d7cbe3fb90b0859"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setter for Humidity oversampling.  <a href="#af1f05d2f024e946c1d7cbe3fb90b0859">More...</a><br /></td></tr>
+<tr class="separator:af1f05d2f024e946c1d7cbe3fb90b0859"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a42f25a4f258aad9abad4abb6bd95ec77"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77">setIIRFilterSize</a> (uint8_t fs)</td></tr>
+<tr class="memdesc:a42f25a4f258aad9abad4abb6bd95ec77"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setter for IIR filter.  <a href="#a42f25a4f258aad9abad4abb6bd95ec77">More...</a><br /></td></tr>
+<tr class="separator:a42f25a4f258aad9abad4abb6bd95ec77"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a2e6a61b5441c51bf5e44c3af3ee3fec8"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">setGasHeater</a> (uint16_t heaterTemp, uint16_t heaterTime)</td></tr>
+<tr class="memdesc:a2e6a61b5441c51bf5e44c3af3ee3fec8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable and configure gas reading + heater.  <a href="#a2e6a61b5441c51bf5e44c3af3ee3fec8">More...</a><br /></td></tr>
+<tr class="separator:a2e6a61b5441c51bf5e44c3af3ee3fec8"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aa58210864cad77b272669eb86f1d2a88"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">performReading</a> (void)</td></tr>
+<tr class="memdesc:aa58210864cad77b272669eb86f1d2a88"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a full reading of all 4 sensors in the BME680.  <a href="#aa58210864cad77b272669eb86f1d2a88">More...</a><br /></td></tr>
+<tr class="separator:aa58210864cad77b272669eb86f1d2a88"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table><table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
+Public Attributes</h2></td></tr>
+<tr class="memitem:a074501406d2bf249551e3e489cb9316e"><td class="memItemLeft" align="right" valign="top"><a id="a074501406d2bf249551e3e489cb9316e"></a>
+float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">temperature</a></td></tr>
+<tr class="memdesc:a074501406d2bf249551e3e489cb9316e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Temperature (Celsius) assigned after calling <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88" title="Performs a full reading of all 4 sensors in the BME680. ">performReading()</a> <br /></td></tr>
+<tr class="separator:a074501406d2bf249551e3e489cb9316e"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a956b36e719ef0b37e59e6c3ecb8c5583"><td class="memItemLeft" align="right" valign="top"><a id="a956b36e719ef0b37e59e6c3ecb8c5583"></a>
+float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">pressure</a></td></tr>
+<tr class="memdesc:a956b36e719ef0b37e59e6c3ecb8c5583"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pressure (Pascals) assigned after calling <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88" title="Performs a full reading of all 4 sensors in the BME680. ">performReading()</a> <br /></td></tr>
+<tr class="separator:a956b36e719ef0b37e59e6c3ecb8c5583"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a442787f3ad0f2ab9087535ba9c22102b"><td class="memItemLeft" align="right" valign="top"><a id="a442787f3ad0f2ab9087535ba9c22102b"></a>
+float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">humidity</a></td></tr>
+<tr class="memdesc:a442787f3ad0f2ab9087535ba9c22102b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Humidity (RH %) assigned after calling <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88" title="Performs a full reading of all 4 sensors in the BME680. ">performReading()</a> <br /></td></tr>
+<tr class="separator:a442787f3ad0f2ab9087535ba9c22102b"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:aef05921539684ec297168bdd0cee7c7c"><td class="memItemLeft" align="right" valign="top"><a id="aef05921539684ec297168bdd0cee7c7c"></a>
+float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">gas_resistance</a></td></tr>
+<tr class="memdesc:aef05921539684ec297168bdd0cee7c7c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gas resistor (ohms) assigned after calling <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88" title="Performs a full reading of all 4 sensors in the BME680. ">performReading()</a> <br /></td></tr>
+<tr class="separator:aef05921539684ec297168bdd0cee7c7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a> Class for both I2C and SPI usage. Wraps the Bosch library for Arduino usage </p>
+</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
+<a id="af147d564868b9eac61a2c7fcd8f614cd"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af147d564868b9eac61a2c7fcd8f614cd">&#9670;&nbsp;</a></span>Adafruit_BME680() <span class="overload">[1/2]</span></h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">Adafruit_BME680::Adafruit_BME680 </td>
+          <td>(</td>
+          <td class="paramtype">int8_t&#160;</td>
+          <td class="paramname"><em>cspin</em> = <code>-1</code></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Instantiates sensor with Hardware SPI or I2C. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">cspin</td><td>SPI chip select. If not passed in, I2C will be used </td></tr>
+  </table>
+  </dd>
+</dl>
+
+</div>
+</div>
+<a id="a8e89aaed66497bb2dde7ab678aa81173"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a8e89aaed66497bb2dde7ab678aa81173">&#9670;&nbsp;</a></span>Adafruit_BME680() <span class="overload">[2/2]</span></h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">Adafruit_BME680::Adafruit_BME680 </td>
+          <td>(</td>
+          <td class="paramtype">int8_t&#160;</td>
+          <td class="paramname"><em>cspin</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int8_t&#160;</td>
+          <td class="paramname"><em>mosipin</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int8_t&#160;</td>
+          <td class="paramname"><em>misopin</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int8_t&#160;</td>
+          <td class="paramname"><em>sckpin</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Instantiates sensor with Software (bit-bang) SPI. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">cspin</td><td>SPI chip select </td></tr>
+    <tr><td class="paramname">mosipin</td><td>SPI MOSI (Data from microcontroller to sensor) </td></tr>
+    <tr><td class="paramname">misopin</td><td>SPI MISO (Data to microcontroller from sensor) </td></tr>
+    <tr><td class="paramname">sckpin</td><td>SPI Clock </td></tr>
+  </table>
+  </dd>
+</dl>
+
+</div>
+</div>
+<h2 class="groupheader">Member Function Documentation</h2>
+<a id="ac6d9d5dc90424c2c3c3a3b311c1141dc"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ac6d9d5dc90424c2c3c3a3b311c1141dc">&#9670;&nbsp;</a></span>begin()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::begin </td>
+          <td>(</td>
+          <td class="paramtype">uint8_t&#160;</td>
+          <td class="paramname"><em>addr</em> = <code>BME680_DEFAULT_ADDRESS</code></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Initializes the sensor. </p>
+<p>Hardware ss initialized, verifies it is in the I2C or SPI bus, then reads calibration data in preparation for sensor reads.</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">addr</td><td>Optional parameter for the I2C address of BME680. Default is 0x77 </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on sensor initialization success. False on failure. </dd></dl>
+
+</div>
+</div>
+<a id="aa58210864cad77b272669eb86f1d2a88"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa58210864cad77b272669eb86f1d2a88">&#9670;&nbsp;</a></span>performReading()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::performReading </td>
+          <td>(</td>
+          <td class="paramtype">void&#160;</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Performs a full reading of all 4 sensors in the BME680. </p>
+<p>Assigns the internal <a class="el" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e" title="Temperature (Celsius) assigned after calling performReading() ">Adafruit_BME680::temperature</a>, <a class="el" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583" title="Pressure (Pascals) assigned after calling performReading() ">Adafruit_BME680::pressure</a>, <a class="el" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b" title="Humidity (RH %) assigned after calling performReading() ">Adafruit_BME680::humidity</a> and <a class="el" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c" title="Gas resistor (ohms) assigned after calling performReading() ">Adafruit_BME680::gas_resistance</a> member variables</p>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<a id="a3caae92aa981508f0084b11b1fed4883"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a3caae92aa981508f0084b11b1fed4883">&#9670;&nbsp;</a></span>readAltitude()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">float Adafruit_BME680::readAltitude </td>
+          <td>(</td>
+          <td class="paramtype">float&#160;</td>
+          <td class="paramname"><em>seaLevel</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Calculates the altitude (in meters). </p>
+<p>Reads the current atmostpheric pressure (in hPa) from the sensor and calculates via the provided sea-level pressure (in hPa).</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">seaLevel</td><td>Sea-level pressure in hPa </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>Altitude in meters </dd></dl>
+
+</div>
+</div>
+<a id="ae0b55eb1049c5949ff186de86aaafb55"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ae0b55eb1049c5949ff186de86aaafb55">&#9670;&nbsp;</a></span>readGas()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint32_t Adafruit_BME680::readGas </td>
+          <td>(</td>
+          <td class="paramtype">void&#160;</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Calculates the resistance of the MOX gas sensor. </p>
+<dl class="section return"><dt>Returns</dt><dd>Resistance in Ohms </dd></dl>
+
+</div>
+</div>
+<a id="a1402c97860f9c61bf133be7e7056658b"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a1402c97860f9c61bf133be7e7056658b">&#9670;&nbsp;</a></span>readHumidity()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">float Adafruit_BME680::readHumidity </td>
+          <td>(</td>
+          <td class="paramtype">void&#160;</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Performs a reading and returns the relative humidity. </p>
+<dl class="section return"><dt>Returns</dt><dd>Relative humidity as floating point </dd></dl>
+
+</div>
+</div>
+<a id="afd081183a7845fee1d1c080cce20495e"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#afd081183a7845fee1d1c080cce20495e">&#9670;&nbsp;</a></span>readPressure()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">float Adafruit_BME680::readPressure </td>
+          <td>(</td>
+          <td class="paramtype">void&#160;</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Performs a reading and returns the barometric pressure. </p>
+<dl class="section return"><dt>Returns</dt><dd>Barometic pressure in Pascals </dd></dl>
+
+</div>
+</div>
+<a id="a7b554e6edf5cea06cf480e53bcb65aec"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7b554e6edf5cea06cf480e53bcb65aec">&#9670;&nbsp;</a></span>readTemperature()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">float Adafruit_BME680::readTemperature </td>
+          <td>(</td>
+          <td class="paramtype">void&#160;</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Performs a reading and returns the ambient temperature. </p>
+<dl class="section return"><dt>Returns</dt><dd>Temperature in degrees Centigrade </dd></dl>
+
+</div>
+</div>
+<a id="a2e6a61b5441c51bf5e44c3af3ee3fec8"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a2e6a61b5441c51bf5e44c3af3ee3fec8">&#9670;&nbsp;</a></span>setGasHeater()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::setGasHeater </td>
+          <td>(</td>
+          <td class="paramtype">uint16_t&#160;</td>
+          <td class="paramname"><em>heaterTemp</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">uint16_t&#160;</td>
+          <td class="paramname"><em>heaterTime</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Enable and configure gas reading + heater. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">heaterTemp</td><td>Desired temperature in degrees Centigrade </td></tr>
+    <tr><td class="paramname">heaterTime</td><td>Time to keep heater on in milliseconds </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<a id="af1f05d2f024e946c1d7cbe3fb90b0859"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af1f05d2f024e946c1d7cbe3fb90b0859">&#9670;&nbsp;</a></span>setHumidityOversampling()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::setHumidityOversampling </td>
+          <td>(</td>
+          <td class="paramtype">uint8_t&#160;</td>
+          <td class="paramname"><em>oversample</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Setter for Humidity oversampling. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">oversample</td><td>Oversampling setting, can be BME680_OS_NONE (turn off Humidity reading), BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<a id="a42f25a4f258aad9abad4abb6bd95ec77"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a42f25a4f258aad9abad4abb6bd95ec77">&#9670;&nbsp;</a></span>setIIRFilterSize()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::setIIRFilterSize </td>
+          <td>(</td>
+          <td class="paramtype">uint8_t&#160;</td>
+          <td class="paramname"><em>filtersize</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Setter for IIR filter. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">filtersize</td><td>Size of the filter (in samples). Can be BME680_FILTER_SIZE_0 (no filtering), BME680_FILTER_SIZE_1, BME680_FILTER_SIZE_3, BME680_FILTER_SIZE_7, BME680_FILTER_SIZE_15, BME680_FILTER_SIZE_31, BME680_FILTER_SIZE_63, BME680_FILTER_SIZE_127 </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<a id="a73a9467c838951a187a268172a2b5d8c"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a73a9467c838951a187a268172a2b5d8c">&#9670;&nbsp;</a></span>setPressureOversampling()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::setPressureOversampling </td>
+          <td>(</td>
+          <td class="paramtype">uint8_t&#160;</td>
+          <td class="paramname"><em>os</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Setter for Pressure oversampling. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">oversample</td><td>Oversampling setting, can be BME680_OS_NONE (turn off Pressure reading), BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<a id="a640ee0a0cb7ca57af30e8408260cc6e6"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a640ee0a0cb7ca57af30e8408260cc6e6">&#9670;&nbsp;</a></span>setTemperatureOversampling()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">bool Adafruit_BME680::setTemperatureOversampling </td>
+          <td>(</td>
+          <td class="paramtype">uint8_t&#160;</td>
+          <td class="paramname"><em>oversample</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Setter for Temperature oversampling. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">oversample</td><td>Oversampling setting, can be BME680_OS_NONE (turn off Temperature reading), BME680_OS_1X, BME680_OS_2X, BME680_OS_4X, BME680_OS_8X or BME680_OS_16X </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>True on success, False on failure </dd></dl>
+
+</div>
+</div>
+<hr/>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="_adafruit___b_m_e680_8h_source.html">Adafruit_BME680.h</a></li>
+<li>Adafruit_BME680.cpp</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
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+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: Class Index</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
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+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
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+<div class="title">Class Index</div>  </div>
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+<div class="qindex"><a class="qindex" href="#letter_a">a</a></div>
+<table class="classindex">
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+</td><td></td></tr>
+<tr><td></td></tr>
+<tr><td valign="top"><a class="el" href="class_adafruit___b_m_e680.html">Adafruit_BME680</a>&#160;&#160;&#160;</td><td></td></tr>
+<tr><td></td><td></td></tr>
+</table>
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+/* The standard CSS for doxygen 1.8.13 */
+
+body, table, div, p, dl {
+	font: 400 14px/22px Roboto,sans-serif;
+}
+
+p.reference, p.definition {
+	font: 400 14px/22px Roboto,sans-serif;
+}
+
+/* @group Heading Levels */
+
+h1.groupheader {
+	font-size: 150%;
+}
+
+.title {
+	font: 400 14px/28px Roboto,sans-serif;
+	font-size: 150%;
+	font-weight: bold;
+	margin: 10px 2px;
+}
+
+h2.groupheader {
+	border-bottom: 1px solid #879ECB;
+	color: #354C7B;
+	font-size: 150%;
+	font-weight: normal;
+	margin-top: 1.75em;
+	padding-top: 8px;
+	padding-bottom: 4px;
+	width: 100%;
+}
+
+h3.groupheader {
+	font-size: 100%;
+}
+
+h1, h2, h3, h4, h5, h6 {
+	-webkit-transition: text-shadow 0.5s linear;
+	-moz-transition: text-shadow 0.5s linear;
+	-ms-transition: text-shadow 0.5s linear;
+	-o-transition: text-shadow 0.5s linear;
+	transition: text-shadow 0.5s linear;
+	margin-right: 15px;
+}
+
+h1.glow, h2.glow, h3.glow, h4.glow, h5.glow, h6.glow {
+	text-shadow: 0 0 15px cyan;
+}
+
+dt {
+	font-weight: bold;
+}
+
+div.multicol {
+	-moz-column-gap: 1em;
+	-webkit-column-gap: 1em;
+	-moz-column-count: 3;
+	-webkit-column-count: 3;
+}
+
+p.startli, p.startdd {
+	margin-top: 2px;
+}
+
+p.starttd {
+	margin-top: 0px;
+}
+
+p.endli {
+	margin-bottom: 0px;
+}
+
+p.enddd {
+	margin-bottom: 4px;
+}
+
+p.endtd {
+	margin-bottom: 2px;
+}
+
+/* @end */
+
+caption {
+	font-weight: bold;
+}
+
+span.legend {
+        font-size: 70%;
+        text-align: center;
+}
+
+h3.version {
+        font-size: 90%;
+        text-align: center;
+}
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+div.qindex, div.navtab{
+	background-color: #EBEFF6;
+	border: 1px solid #A3B4D7;
+	text-align: center;
+}
+
+div.qindex, div.navpath {
+	width: 100%;
+	line-height: 140%;
+}
+
+div.navtab {
+	margin-right: 15px;
+}
+
+/* @group Link Styling */
+
+a {
+	color: #3D578C;
+	font-weight: normal;
+	text-decoration: none;
+}
+
+.contents a:visited {
+	color: #4665A2;
+}
+
+a:hover {
+	text-decoration: underline;
+}
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+a.qindex {
+	font-weight: bold;
+}
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+a.qindexHL {
+	font-weight: bold;
+	background-color: #9CAFD4;
+	color: #ffffff;
+	border: 1px double #869DCA;
+}
+
+.contents a.qindexHL:visited {
+        color: #ffffff;
+}
+
+a.el {
+	font-weight: bold;
+}
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+a.elRef {
+}
+
+a.code, a.code:visited, a.line, a.line:visited {
+	color: #4665A2; 
+}
+
+a.codeRef, a.codeRef:visited, a.lineRef, a.lineRef:visited {
+	color: #4665A2; 
+}
+
+/* @end */
+
+dl.el {
+	margin-left: -1cm;
+}
+
+pre.fragment {
+        border: 1px solid #C4CFE5;
+        background-color: #FBFCFD;
+        padding: 4px 6px;
+        margin: 4px 8px 4px 2px;
+        overflow: auto;
+        word-wrap: break-word;
+        font-size:  9pt;
+        line-height: 125%;
+        font-family: monospace, fixed;
+        font-size: 105%;
+}
+
+div.fragment {
+        padding: 0px;
+        margin: 4px 8px 4px 2px;
+	background-color: #FBFCFD;
+	border: 1px solid #C4CFE5;
+}
+
+div.line {
+	font-family: monospace, fixed;
+        font-size: 13px;
+	min-height: 13px;
+	line-height: 1.0;
+	text-wrap: unrestricted;
+	white-space: -moz-pre-wrap; /* Moz */
+	white-space: -pre-wrap;     /* Opera 4-6 */
+	white-space: -o-pre-wrap;   /* Opera 7 */
+	white-space: pre-wrap;      /* CSS3  */
+	word-wrap: break-word;      /* IE 5.5+ */
+	text-indent: -53px;
+	padding-left: 53px;
+	padding-bottom: 0px;
+	margin: 0px;
+	-webkit-transition-property: background-color, box-shadow;
+	-webkit-transition-duration: 0.5s;
+	-moz-transition-property: background-color, box-shadow;
+	-moz-transition-duration: 0.5s;
+	-ms-transition-property: background-color, box-shadow;
+	-ms-transition-duration: 0.5s;
+	-o-transition-property: background-color, box-shadow;
+	-o-transition-duration: 0.5s;
+	transition-property: background-color, box-shadow;
+	transition-duration: 0.5s;
+}
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+div.line:after {
+    content:"\000A";
+    white-space: pre;
+}
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+div.line.glow {
+	background-color: cyan;
+	box-shadow: 0 0 10px cyan;
+}
+
+
+span.lineno {
+	padding-right: 4px;
+	text-align: right;
+	border-right: 2px solid #0F0;
+	background-color: #E8E8E8;
+        white-space: pre;
+}
+span.lineno a {
+	background-color: #D8D8D8;
+}
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+span.lineno a:hover {
+	background-color: #C8C8C8;
+}
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+.lineno {
+	-webkit-touch-callout: none;
+	-webkit-user-select: none;
+	-khtml-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+div.ah, span.ah {
+	background-color: black;
+	font-weight: bold;
+	color: #ffffff;
+	margin-bottom: 3px;
+	margin-top: 3px;
+	padding: 0.2em;
+	border: solid thin #333;
+	border-radius: 0.5em;
+	-webkit-border-radius: .5em;
+	-moz-border-radius: .5em;
+	box-shadow: 2px 2px 3px #999;
+	-webkit-box-shadow: 2px 2px 3px #999;
+	-moz-box-shadow: rgba(0, 0, 0, 0.15) 2px 2px 2px;
+	background-image: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#000),color-stop(0.3, #444));
+	background-image: -moz-linear-gradient(center top, #eee 0%, #444 40%, #000 110%);
+}
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+div.classindex ul {
+        list-style: none;
+        padding-left: 0;
+}
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+div.classindex span.ai {
+        display: inline-block;
+}
+
+div.groupHeader {
+	margin-left: 16px;
+	margin-top: 12px;
+	font-weight: bold;
+}
+
+div.groupText {
+	margin-left: 16px;
+	font-style: italic;
+}
+
+body {
+	background-color: white;
+	color: black;
+        margin: 0;
+}
+
+div.contents {
+	margin-top: 10px;
+	margin-left: 12px;
+	margin-right: 8px;
+}
+
+td.indexkey {
+	background-color: #EBEFF6;
+	font-weight: bold;
+	border: 1px solid #C4CFE5;
+	margin: 2px 0px 2px 0;
+	padding: 2px 10px;
+        white-space: nowrap;
+        vertical-align: top;
+}
+
+td.indexvalue {
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+	border: 1px solid #C4CFE5;
+	padding: 2px 10px;
+	margin: 2px 0px;
+}
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+tr.memlist {
+	background-color: #EEF1F7;
+}
+
+p.formulaDsp {
+	text-align: center;
+}
+
+img.formulaDsp {
+	
+}
+
+img.formulaInl {
+	vertical-align: middle;
+}
+
+div.center {
+	text-align: center;
+        margin-top: 0px;
+        margin-bottom: 0px;
+        padding: 0px;
+}
+
+div.center img {
+	border: 0px;
+}
+
+address.footer {
+	text-align: right;
+	padding-right: 12px;
+}
+
+img.footer {
+	border: 0px;
+	vertical-align: middle;
+}
+
+/* @group Code Colorization */
+
+span.keyword {
+	color: #008000
+}
+
+span.keywordtype {
+	color: #604020
+}
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+span.keywordflow {
+	color: #e08000
+}
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+	color: #800000
+}
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+}
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+	color: #002080
+}
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+	color: #008080
+}
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+	color: #ff00ff 
+}
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+span.vhdlchar { 
+	color: #000000 
+}
+
+span.vhdlkeyword { 
+	color: #700070 
+}
+
+span.vhdllogic { 
+	color: #ff0000 
+}
+
+blockquote {
+        background-color: #F7F8FB;
+        border-left: 2px solid #9CAFD4;
+        margin: 0 24px 0 4px;
+        padding: 0 12px 0 16px;
+}
+
+/* @end */
+
+/*
+.search {
+	color: #003399;
+	font-weight: bold;
+}
+
+form.search {
+	margin-bottom: 0px;
+	margin-top: 0px;
+}
+
+input.search {
+	font-size: 75%;
+	color: #000080;
+	font-weight: normal;
+	background-color: #e8eef2;
+}
+*/
+
+td.tiny {
+	font-size: 75%;
+}
+
+.dirtab {
+	padding: 4px;
+	border-collapse: collapse;
+	border: 1px solid #A3B4D7;
+}
+
+th.dirtab {
+	background: #EBEFF6;
+	font-weight: bold;
+}
+
+hr {
+	height: 0px;
+	border: none;
+	border-top: 1px solid #4A6AAA;
+}
+
+hr.footer {
+	height: 1px;
+}
+
+/* @group Member Descriptions */
+
+table.memberdecls {
+	border-spacing: 0px;
+	padding: 0px;
+}
+
+.memberdecls td, .fieldtable tr {
+	-webkit-transition-property: background-color, box-shadow;
+	-webkit-transition-duration: 0.5s;
+	-moz-transition-property: background-color, box-shadow;
+	-moz-transition-duration: 0.5s;
+	-ms-transition-property: background-color, box-shadow;
+	-ms-transition-duration: 0.5s;
+	-o-transition-property: background-color, box-shadow;
+	-o-transition-duration: 0.5s;
+	transition-property: background-color, box-shadow;
+	transition-duration: 0.5s;
+}
+
+.memberdecls td.glow, .fieldtable tr.glow {
+	background-color: cyan;
+	box-shadow: 0 0 15px cyan;
+}
+
+.mdescLeft, .mdescRight,
+.memItemLeft, .memItemRight,
+.memTemplItemLeft, .memTemplItemRight, .memTemplParams {
+	background-color: #F9FAFC;
+	border: none;
+	margin: 4px;
+	padding: 1px 0 0 8px;
+}
+
+.mdescLeft, .mdescRight {
+	padding: 0px 8px 4px 8px;
+	color: #555;
+}
+
+.memSeparator {
+        border-bottom: 1px solid #DEE4F0;
+        line-height: 1px;
+        margin: 0px;
+        padding: 0px;
+}
+
+.memItemLeft, .memTemplItemLeft {
+        white-space: nowrap;
+}
+
+.memItemRight {
+	width: 100%;
+}
+
+.memTemplParams {
+	color: #4665A2;
+        white-space: nowrap;
+	font-size: 80%;
+}
+
+/* @end */
+
+/* @group Member Details */
+
+/* Styles for detailed member documentation */
+
+.memtitle {
+	padding: 8px;
+	border-top: 1px solid #A8B8D9;
+	border-left: 1px solid #A8B8D9;
+	border-right: 1px solid #A8B8D9;
+	border-top-right-radius: 4px;
+	border-top-left-radius: 4px;
+	margin-bottom: -1px;
+	background-image: url('nav_f.png');
+	background-repeat: repeat-x;
+	background-color: #E2E8F2;
+	line-height: 1.25;
+	font-weight: 300;
+	float:left;
+}
+
+.permalink
+{
+        font-size: 65%;
+        display: inline-block;
+        vertical-align: middle;
+}
+
+.memtemplate {
+	font-size: 80%;
+	color: #4665A2;
+	font-weight: normal;
+	margin-left: 9px;
+}
+
+.memnav {
+	background-color: #EBEFF6;
+	border: 1px solid #A3B4D7;
+	text-align: center;
+	margin: 2px;
+	margin-right: 15px;
+	padding: 2px;
+}
+
+.mempage {
+	width: 100%;
+}
+
+.memitem {
+	padding: 0;
+	margin-bottom: 10px;
+	margin-right: 5px;
+        -webkit-transition: box-shadow 0.5s linear;
+        -moz-transition: box-shadow 0.5s linear;
+        -ms-transition: box-shadow 0.5s linear;
+        -o-transition: box-shadow 0.5s linear;
+        transition: box-shadow 0.5s linear;
+        display: table !important;
+        width: 100%;
+}
+
+.memitem.glow {
+         box-shadow: 0 0 15px cyan;
+}
+
+.memname {
+        font-weight: 400;
+        margin-left: 6px;
+}
+
+.memname td {
+	vertical-align: bottom;
+}
+
+.memproto, dl.reflist dt {
+        border-top: 1px solid #A8B8D9;
+        border-left: 1px solid #A8B8D9;
+        border-right: 1px solid #A8B8D9;
+        padding: 6px 0px 6px 0px;
+        color: #253555;
+        font-weight: bold;
+        text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.9);
+        background-color: #DFE5F1;
+        /* opera specific markup */
+        box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+        border-top-right-radius: 4px;
+        /* firefox specific markup */
+        -moz-box-shadow: rgba(0, 0, 0, 0.15) 5px 5px 5px;
+        -moz-border-radius-topright: 4px;
+        /* webkit specific markup */
+        -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+        -webkit-border-top-right-radius: 4px;
+
+}
+
+.overload {
+        font-family: "courier new",courier,monospace;
+	font-size: 65%;
+}
+
+.memdoc, dl.reflist dd {
+        border-bottom: 1px solid #A8B8D9;      
+        border-left: 1px solid #A8B8D9;      
+        border-right: 1px solid #A8B8D9; 
+        padding: 6px 10px 2px 10px;
+        background-color: #FBFCFD;
+        border-top-width: 0;
+        background-image:url('nav_g.png');
+        background-repeat:repeat-x;
+        background-color: #FFFFFF;
+        /* opera specific markup */
+        border-bottom-left-radius: 4px;
+        border-bottom-right-radius: 4px;
+        box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+        /* firefox specific markup */
+        -moz-border-radius-bottomleft: 4px;
+        -moz-border-radius-bottomright: 4px;
+        -moz-box-shadow: rgba(0, 0, 0, 0.15) 5px 5px 5px;
+        /* webkit specific markup */
+        -webkit-border-bottom-left-radius: 4px;
+        -webkit-border-bottom-right-radius: 4px;
+        -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+}
+
+dl.reflist dt {
+        padding: 5px;
+}
+
+dl.reflist dd {
+        margin: 0px 0px 10px 0px;
+        padding: 5px;
+}
+
+.paramkey {
+	text-align: right;
+}
+
+.paramtype {
+	white-space: nowrap;
+}
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+	color: #602020;
+	white-space: nowrap;
+}
+.paramname em {
+	font-style: normal;
+}
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+        line-height: 14px;
+}
+
+.params, .retval, .exception, .tparams {
+        margin-left: 0px;
+        padding-left: 0px;
+}       
+
+.params .paramname, .retval .paramname {
+        font-weight: bold;
+        vertical-align: top;
+}
+        
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+        font-style: italic;
+        vertical-align: top;
+}       
+        
+.params .paramdir {
+        font-family: "courier new",courier,monospace;
+        vertical-align: top;
+}
+
+table.mlabels {
+	border-spacing: 0px;
+}
+
+td.mlabels-left {
+	width: 100%;
+	padding: 0px;
+}
+
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+	vertical-align: bottom;
+	padding: 0px;
+	white-space: nowrap;
+}
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+span.mlabels {
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+}
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+span.mlabel {
+        background-color: #728DC1;
+        border-top:1px solid #5373B4;
+        border-left:1px solid #5373B4;
+        border-right:1px solid #C4CFE5;
+        border-bottom:1px solid #C4CFE5;
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+	padding: 2px 3px;
+	border-radius: 3px;
+	font-size: 7pt;
+	white-space: nowrap;
+	vertical-align: middle;
+}
+
+
+
+/* @end */
+
+/* these are for tree view inside a (index) page */
+
+div.directory {
+        margin: 10px 0px;
+        border-top: 1px solid #9CAFD4;
+        border-bottom: 1px solid #9CAFD4;
+        width: 100%;
+}
+
+.directory table {
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+}
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+        padding: 0px;
+	vertical-align: top;
+}
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+}
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+}
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+}
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+	padding-top: 3px;
+	border-left: 1px solid rgba(0,0,0,0.05);
+}
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+	padding-left: 6px;
+	background-color: #F7F8FB;
+}
+
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+}
+
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+        width: 100%;
+        text-align: right;
+        font-size: 9pt;
+}
+
+.directory .levels span {
+        cursor: pointer;
+        padding-left: 2px;
+        padding-right: 2px;
+	color: #3D578C;
+}
+
+.arrow {
+    color: #9CAFD4;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+    cursor: pointer;
+    font-size: 80%;
+    display: inline-block;
+    width: 16px;
+    height: 22px;
+}
+
+.icon {
+    font-family: Arial, Helvetica;
+    font-weight: bold;
+    font-size: 12px;
+    height: 14px;
+    width: 16px;
+    display: inline-block;
+    background-color: #728DC1;
+    color: white;
+    text-align: center;
+    border-radius: 4px;
+    margin-left: 2px;
+    margin-right: 2px;
+}
+
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+    width: 24px;
+    height: 22px;
+    display: inline-block;
+}
+
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+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('folderopen.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
+.iconfclosed {
+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('folderclosed.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
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+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('doc.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
+table.directory {
+    font: 400 14px Roboto,sans-serif;
+}
+
+/* @end */
+
+div.dynheader {
+        margin-top: 8px;
+	-webkit-touch-callout: none;
+	-webkit-user-select: none;
+	-khtml-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
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+	font-style: normal;
+	color: #2A3D61;
+}
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+}
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+        margin-top: 4px;
+        margin-bottom: 4px;
+}
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+table.doxtable td, table.doxtable th {
+	border: 1px solid #2D4068;
+	padding: 3px 7px 2px;
+}
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+	color: #FFFFFF;
+	font-size: 110%;
+	padding-bottom: 4px;
+	padding-top: 5px;
+}
+
+table.fieldtable {
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+        margin-bottom: 10px;
+        border: 1px solid #A8B8D9;
+        border-spacing: 0px;
+        -moz-border-radius: 4px;
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+        -webkit-box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.15);
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+}
+
+.fieldtable td, .fieldtable th {
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+  #nav-path { display: none; }
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+  .summary { display: none; }
+  .memitem { page-break-inside: avoid; }
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+  {
+    margin-left:0 !important;
+    height:auto !important;
+    width:auto !important;
+    overflow:inherit;
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+}
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+/* @group Markdown */
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+/*
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+        margin-top: 4px;
+        margin-bottom: 4px;
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+table.markdownTable td, table.markdownTable th {
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+}
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+table.markdownTableHead tr {
+}
+
+table.markdownTableBodyLeft td, table.markdownTable th {
+	border: 1px solid #2D4068;
+	padding: 3px 7px 2px;
+}
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+th.markdownTableHeadLeft th.markdownTableHeadRight th.markdownTableHeadCenter th.markdownTableHeadNone {
+	background-color: #374F7F;
+	color: #FFFFFF;
+	font-size: 110%;
+	padding-bottom: 4px;
+	padding-top: 5px;
+}
+
+th.markdownTableHeadLeft {
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+}
+
+th.markdownTableHeadRight {
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+}
+
+th.markdownTableHeadCenter {
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+}
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+
+table.markdownTable {
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+        margin-top: 4px;
+        margin-bottom: 4px;
+}
+
+table.markdownTable td, table.markdownTable th {
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+}
+
+table.markdownTable tr {
+}
+
+th.markdownTableHeadLeft, th.markdownTableHeadRight, th.markdownTableHeadCenter, th.markdownTableHeadNone {
+	background-color: #374F7F;
+	color: #FFFFFF;
+	font-size: 110%;
+	padding-bottom: 4px;
+	padding-top: 5px;
+}
+
+th.markdownTableHeadLeft, td.markdownTableBodyLeft {
+	text-align: left
+}
+
+th.markdownTableHeadRight, td.markdownTableBodyRight {
+	text-align: right
+}
+
+th.markdownTableHeadCenter, td.markdownTableBodyCenter {
+	text-align: center
+}
+
+
+/* @end */
diff --git a/lib/Adafruit_BME680-1.0.5/docs/doxygen.png b/lib/Adafruit_BME680-1.0.5/docs/doxygen.png
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+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: File List</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+<div class="contents">
+<div class="textblock">Here is a list of all documented files with brief descriptions:</div><div class="directory">
+<table class="directory">
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index 000000000..211ffecc3
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+++ b/lib/Adafruit_BME680-1.0.5/docs/functions.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: Class Members</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
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+<div id="titlearea">
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+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
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+<div class="contents">
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+<li>Adafruit_BME680()
+: <a class="el" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a>
+</li>
+<li>begin()
+: <a class="el" href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">Adafruit_BME680</a>
+</li>
+<li>gas_resistance
+: <a class="el" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">Adafruit_BME680</a>
+</li>
+<li>humidity
+: <a class="el" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">Adafruit_BME680</a>
+</li>
+<li>performReading()
+: <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">Adafruit_BME680</a>
+</li>
+<li>pressure
+: <a class="el" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">Adafruit_BME680</a>
+</li>
+<li>readAltitude()
+: <a class="el" href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">Adafruit_BME680</a>
+</li>
+<li>readGas()
+: <a class="el" href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">Adafruit_BME680</a>
+</li>
+<li>readHumidity()
+: <a class="el" href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">Adafruit_BME680</a>
+</li>
+<li>readPressure()
+: <a class="el" href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">Adafruit_BME680</a>
+</li>
+<li>readTemperature()
+: <a class="el" href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">Adafruit_BME680</a>
+</li>
+<li>setGasHeater()
+: <a class="el" href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">Adafruit_BME680</a>
+</li>
+<li>setHumidityOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">Adafruit_BME680</a>
+</li>
+<li>setIIRFilterSize()
+: <a class="el" href="class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77">Adafruit_BME680</a>
+</li>
+<li>setPressureOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c">Adafruit_BME680</a>
+</li>
+<li>setTemperatureOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6">Adafruit_BME680</a>
+</li>
+<li>temperature
+: <a class="el" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">Adafruit_BME680</a>
+</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/functions_func.html b/lib/Adafruit_BME680-1.0.5/docs/functions_func.html
new file mode 100644
index 000000000..9c6827cae
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/functions_func.html
@@ -0,0 +1,110 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: Class Members - Functions</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
+var searchBox = new SearchBox("searchBox", "search",false,'Search');
+</script>
+<script type="text/javascript" src="menudata.js"></script>
+<script type="text/javascript" src="menu.js"></script>
+<script type="text/javascript">
+$(function() {
+  initMenu('',true,false,'search.php','Search');
+  $(document).ready(function() { init_search(); });
+});
+</script>
+<div id="main-nav"></div>
+</div><!-- top -->
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
+     onmouseout="return searchBox.OnSearchSelectHide()"
+     onkeydown="return searchBox.OnSearchSelectKey(event)">
+</div>
+
+<!-- iframe showing the search results (closed by default) -->
+<div id="MSearchResultsWindow">
+<iframe src="javascript:void(0)" frameborder="0" 
+        name="MSearchResults" id="MSearchResults">
+</iframe>
+</div>
+
+<div class="contents">
+&#160;<ul>
+<li>Adafruit_BME680()
+: <a class="el" href="class_adafruit___b_m_e680.html#af147d564868b9eac61a2c7fcd8f614cd">Adafruit_BME680</a>
+</li>
+<li>begin()
+: <a class="el" href="class_adafruit___b_m_e680.html#ac6d9d5dc90424c2c3c3a3b311c1141dc">Adafruit_BME680</a>
+</li>
+<li>performReading()
+: <a class="el" href="class_adafruit___b_m_e680.html#aa58210864cad77b272669eb86f1d2a88">Adafruit_BME680</a>
+</li>
+<li>readAltitude()
+: <a class="el" href="class_adafruit___b_m_e680.html#a3caae92aa981508f0084b11b1fed4883">Adafruit_BME680</a>
+</li>
+<li>readGas()
+: <a class="el" href="class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55">Adafruit_BME680</a>
+</li>
+<li>readHumidity()
+: <a class="el" href="class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b">Adafruit_BME680</a>
+</li>
+<li>readPressure()
+: <a class="el" href="class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e">Adafruit_BME680</a>
+</li>
+<li>readTemperature()
+: <a class="el" href="class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec">Adafruit_BME680</a>
+</li>
+<li>setGasHeater()
+: <a class="el" href="class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8">Adafruit_BME680</a>
+</li>
+<li>setHumidityOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859">Adafruit_BME680</a>
+</li>
+<li>setIIRFilterSize()
+: <a class="el" href="class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77">Adafruit_BME680</a>
+</li>
+<li>setPressureOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c">Adafruit_BME680</a>
+</li>
+<li>setTemperatureOversampling()
+: <a class="el" href="class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6">Adafruit_BME680</a>
+</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/functions_vars.html b/lib/Adafruit_BME680-1.0.5/docs/functions_vars.html
new file mode 100644
index 000000000..555cd9197
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/functions_vars.html
@@ -0,0 +1,83 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: Class Members - Variables</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
+var searchBox = new SearchBox("searchBox", "search",false,'Search');
+</script>
+<script type="text/javascript" src="menudata.js"></script>
+<script type="text/javascript" src="menu.js"></script>
+<script type="text/javascript">
+$(function() {
+  initMenu('',true,false,'search.php','Search');
+  $(document).ready(function() { init_search(); });
+});
+</script>
+<div id="main-nav"></div>
+</div><!-- top -->
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
+     onmouseout="return searchBox.OnSearchSelectHide()"
+     onkeydown="return searchBox.OnSearchSelectKey(event)">
+</div>
+
+<!-- iframe showing the search results (closed by default) -->
+<div id="MSearchResultsWindow">
+<iframe src="javascript:void(0)" frameborder="0" 
+        name="MSearchResults" id="MSearchResults">
+</iframe>
+</div>
+
+<div class="contents">
+&#160;<ul>
+<li>gas_resistance
+: <a class="el" href="class_adafruit___b_m_e680.html#aef05921539684ec297168bdd0cee7c7c">Adafruit_BME680</a>
+</li>
+<li>humidity
+: <a class="el" href="class_adafruit___b_m_e680.html#a442787f3ad0f2ab9087535ba9c22102b">Adafruit_BME680</a>
+</li>
+<li>pressure
+: <a class="el" href="class_adafruit___b_m_e680.html#a956b36e719ef0b37e59e6c3ecb8c5583">Adafruit_BME680</a>
+</li>
+<li>temperature
+: <a class="el" href="class_adafruit___b_m_e680.html#a074501406d2bf249551e3e489cb9316e">Adafruit_BME680</a>
+</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/globals.html b/lib/Adafruit_BME680-1.0.5/docs/globals.html
new file mode 100644
index 000000000..46187c934
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/globals.html
@@ -0,0 +1,188 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: File Members</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
+var searchBox = new SearchBox("searchBox", "search",false,'Search');
+</script>
+<script type="text/javascript" src="menudata.js"></script>
+<script type="text/javascript" src="menu.js"></script>
+<script type="text/javascript">
+$(function() {
+  initMenu('',true,false,'search.php','Search');
+  $(document).ready(function() { init_search(); });
+});
+</script>
+<div id="main-nav"></div>
+</div><!-- top -->
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
+     onmouseout="return searchBox.OnSearchSelectHide()"
+     onkeydown="return searchBox.OnSearchSelectKey(event)">
+</div>
+
+<!-- iframe showing the search results (closed by default) -->
+<div id="MSearchResultsWindow">
+<iframe src="javascript:void(0)" frameborder="0" 
+        name="MSearchResults" id="MSearchResults">
+</iframe>
+</div>
+
+<div class="contents">
+<div class="textblock">Here is a list of all documented file members with links to the documentation:</div>
+
+<h3><a id="index__"></a>- _ -</h3><ul>
+<li>bme680_com_fptr_t
+: <a class="el" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_defs.h</a>
+</li>
+<li>bme680_intf
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_defs.h</a>
+</li>
+</ul>
+
+
+<h3><a id="index_b"></a>- b -</h3><ul>
+<li>BME680_ADDR_RES_HEAT_VAL_ADDR
+: <a class="el" href="bme680__defs_8h.html#af6a74cbd7c52c150a5d83766e86f3bf1">bme680_defs.h</a>
+</li>
+<li>BME680_CHIP_ID
+: <a class="el" href="bme680__defs_8h.html#a762d33b22cceaa1f90dc2044ace463ee">bme680_defs.h</a>
+</li>
+<li>BME680_CHIP_ID_ADDR
+: <a class="el" href="bme680__defs_8h.html#aa24d214515e9c3606dcefb874888c055">bme680_defs.h</a>
+</li>
+<li>BME680_COEFF_ADDR1
+: <a class="el" href="bme680__defs_8h.html#a839d12e3afe0332b3383be0e258c472e">bme680_defs.h</a>
+</li>
+<li>BME680_COEFF_SIZE
+: <a class="el" href="bme680__defs_8h.html#a4cf6e3574a83160f0adbfcf8cc5e3729">bme680_defs.h</a>
+</li>
+<li>BME680_CONCAT_BYTES
+: <a class="el" href="bme680__defs_8h.html#a9aac51cc4b47a1f1c9f30c07026840ab">bme680_defs.h</a>
+</li>
+<li>BME680_CONF_HEAT_CTRL_ADDR
+: <a class="el" href="bme680__defs_8h.html#a995aae4506cba06c735bb2ff37fbca49">bme680_defs.h</a>
+</li>
+<li>BME680_DISABLE_GAS_MEAS
+: <a class="el" href="bme680__defs_8h.html#ad5a18c765061877212395397d58e2c20">bme680_defs.h</a>
+</li>
+<li>BME680_ENABLE_HEATER
+: <a class="el" href="bme680__defs_8h.html#a9e973dfcc1a103110cc44077f3ed86c1">bme680_defs.h</a>
+</li>
+<li>BME680_FIELD0_ADDR
+: <a class="el" href="bme680__defs_8h.html#aa1126d8a0cab009b3812d4dba28beec3">bme680_defs.h</a>
+</li>
+<li>BME680_FIELD_LENGTH
+: <a class="el" href="bme680__defs_8h.html#a7cb775d981358b7e58eb8db0094bd1d7">bme680_defs.h</a>
+</li>
+<li>BME680_FILTER_SIZE_0
+: <a class="el" href="bme680__defs_8h.html#a5edcb9fcb77440f52d2b2865a89b5475">bme680_defs.h</a>
+</li>
+<li>BME680_GAS_MEAS_MSK
+: <a class="el" href="bme680__defs_8h.html#adff9a0ef09e48aa5fcecc9bcfb0bf6f2">bme680_defs.h</a>
+</li>
+<li>BME680_GAS_MEAS_POS
+: <a class="el" href="bme680__defs_8h.html#aa72739940e9ab88370b0ae23ef687f15">bme680_defs.h</a>
+</li>
+<li>BME680_HUM_REG_SHIFT_VAL
+: <a class="el" href="bme680__defs_8h.html#aa9320cbf90a9bb81b912da4bf036e73b">bme680_defs.h</a>
+</li>
+<li>BME680_I2C_ADDR_PRIMARY
+: <a class="el" href="bme680__defs_8h.html#af27a16304a83f75bb23883d754610df3">bme680_defs.h</a>
+</li>
+<li>BME680_I2C_INTF
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5">bme680_defs.h</a>
+</li>
+<li>BME680_MEM_PAGE0
+: <a class="el" href="bme680__defs_8h.html#a2af2d059c5cdc5925dc050a5d67f2d0b">bme680_defs.h</a>
+</li>
+<li>BME680_NBCONV_MIN
+: <a class="el" href="bme680__defs_8h.html#a8b0bdbbedd050d35a8bc27e23c9c96c4">bme680_defs.h</a>
+</li>
+<li>BME680_OK
+: <a class="el" href="bme680__defs_8h.html#a2e82e5c447a9dbbeebf95b1ba189effb">bme680_defs.h</a>
+</li>
+<li>BME680_OS_NONE
+: <a class="el" href="bme680__defs_8h.html#a5ba113b3902da4c9baf45da5f32958d0">bme680_defs.h</a>
+</li>
+<li>BME680_OST_SEL
+: <a class="el" href="bme680__defs_8h.html#a7ecfc9ebc2dc3fae358c38215821db6d">bme680_defs.h</a>
+</li>
+<li>BME680_POLL_PERIOD_MS
+: <a class="el" href="bme680__defs_8h.html#a7545f57cf8b21f71292f4d2998049ab0">bme680_defs.h</a>
+</li>
+<li>BME680_REG_FILTER_INDEX
+: <a class="el" href="bme680__defs_8h.html#abead566b839b70723d7dc5be6eb65c12">bme680_defs.h</a>
+</li>
+<li>BME680_RES_HEAT0_ADDR
+: <a class="el" href="bme680__defs_8h.html#ad1429130a198bff35d0bb98bd1d4cbc1">bme680_defs.h</a>
+</li>
+<li>BME680_RESET_PERIOD
+: <a class="el" href="bme680__defs_8h.html#a6409d476475762c095a746a1b785bdd6">bme680_defs.h</a>
+</li>
+<li>BME680_RUN_GAS_DISABLE
+: <a class="el" href="bme680__defs_8h.html#a7cdfa822370f97878b251ec8ae437ad8">bme680_defs.h</a>
+</li>
+<li>BME680_SET_BITS
+: <a class="el" href="bme680__defs_8h.html#aa2dfae23c0c4a846bde4fdf3780c390e">bme680_defs.h</a>
+</li>
+<li>BME680_SET_BITS_POS_0
+: <a class="el" href="bme680__defs_8h.html#a5e3fed11d9e1cb98d8c05bc5f418d4e8">bme680_defs.h</a>
+</li>
+<li>BME680_SLEEP_MODE
+: <a class="el" href="bme680__defs_8h.html#a9fc5e8034aa79028c0286ea4c974ee69">bme680_defs.h</a>
+</li>
+<li>BME680_SOFT_RESET_ADDR
+: <a class="el" href="bme680__defs_8h.html#a69bae1e3eba277068c1055e3028bbf41">bme680_defs.h</a>
+</li>
+<li>BME680_SOFT_RESET_CMD
+: <a class="el" href="bme680__defs_8h.html#a6da379a1060ef5079d34ba88191c3488">bme680_defs.h</a>
+</li>
+<li>BME680_SPI_INTF
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3">bme680_defs.h</a>
+</li>
+<li>BME680_T2_LSB_REG
+: <a class="el" href="bme680__defs_8h.html#ab0bf47738f04f4e67488166d66096752">bme680_defs.h</a>
+</li>
+<li>BME680_TMP_BUFFER_LENGTH
+: <a class="el" href="bme680__defs_8h.html#a9be3bfa321b5d7b421ae2b8900d49eff">bme680_defs.h</a>
+</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/globals_defs.html b/lib/Adafruit_BME680-1.0.5/docs/globals_defs.html
new file mode 100644
index 000000000..fb18f7af2
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/globals_defs.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: File Members</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
+var searchBox = new SearchBox("searchBox", "search",false,'Search');
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+<div class="contents">
+&#160;
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+<h3><a id="index_b"></a>- b -</h3><ul>
+<li>BME680_ADDR_RES_HEAT_VAL_ADDR
+: <a class="el" href="bme680__defs_8h.html#af6a74cbd7c52c150a5d83766e86f3bf1">bme680_defs.h</a>
+</li>
+<li>BME680_CHIP_ID
+: <a class="el" href="bme680__defs_8h.html#a762d33b22cceaa1f90dc2044ace463ee">bme680_defs.h</a>
+</li>
+<li>BME680_CHIP_ID_ADDR
+: <a class="el" href="bme680__defs_8h.html#aa24d214515e9c3606dcefb874888c055">bme680_defs.h</a>
+</li>
+<li>BME680_COEFF_ADDR1
+: <a class="el" href="bme680__defs_8h.html#a839d12e3afe0332b3383be0e258c472e">bme680_defs.h</a>
+</li>
+<li>BME680_COEFF_SIZE
+: <a class="el" href="bme680__defs_8h.html#a4cf6e3574a83160f0adbfcf8cc5e3729">bme680_defs.h</a>
+</li>
+<li>BME680_CONCAT_BYTES
+: <a class="el" href="bme680__defs_8h.html#a9aac51cc4b47a1f1c9f30c07026840ab">bme680_defs.h</a>
+</li>
+<li>BME680_CONF_HEAT_CTRL_ADDR
+: <a class="el" href="bme680__defs_8h.html#a995aae4506cba06c735bb2ff37fbca49">bme680_defs.h</a>
+</li>
+<li>BME680_DISABLE_GAS_MEAS
+: <a class="el" href="bme680__defs_8h.html#ad5a18c765061877212395397d58e2c20">bme680_defs.h</a>
+</li>
+<li>BME680_ENABLE_HEATER
+: <a class="el" href="bme680__defs_8h.html#a9e973dfcc1a103110cc44077f3ed86c1">bme680_defs.h</a>
+</li>
+<li>BME680_FIELD0_ADDR
+: <a class="el" href="bme680__defs_8h.html#aa1126d8a0cab009b3812d4dba28beec3">bme680_defs.h</a>
+</li>
+<li>BME680_FIELD_LENGTH
+: <a class="el" href="bme680__defs_8h.html#a7cb775d981358b7e58eb8db0094bd1d7">bme680_defs.h</a>
+</li>
+<li>BME680_FILTER_SIZE_0
+: <a class="el" href="bme680__defs_8h.html#a5edcb9fcb77440f52d2b2865a89b5475">bme680_defs.h</a>
+</li>
+<li>BME680_GAS_MEAS_MSK
+: <a class="el" href="bme680__defs_8h.html#adff9a0ef09e48aa5fcecc9bcfb0bf6f2">bme680_defs.h</a>
+</li>
+<li>BME680_GAS_MEAS_POS
+: <a class="el" href="bme680__defs_8h.html#aa72739940e9ab88370b0ae23ef687f15">bme680_defs.h</a>
+</li>
+<li>BME680_HUM_REG_SHIFT_VAL
+: <a class="el" href="bme680__defs_8h.html#aa9320cbf90a9bb81b912da4bf036e73b">bme680_defs.h</a>
+</li>
+<li>BME680_I2C_ADDR_PRIMARY
+: <a class="el" href="bme680__defs_8h.html#af27a16304a83f75bb23883d754610df3">bme680_defs.h</a>
+</li>
+<li>BME680_MEM_PAGE0
+: <a class="el" href="bme680__defs_8h.html#a2af2d059c5cdc5925dc050a5d67f2d0b">bme680_defs.h</a>
+</li>
+<li>BME680_NBCONV_MIN
+: <a class="el" href="bme680__defs_8h.html#a8b0bdbbedd050d35a8bc27e23c9c96c4">bme680_defs.h</a>
+</li>
+<li>BME680_OK
+: <a class="el" href="bme680__defs_8h.html#a2e82e5c447a9dbbeebf95b1ba189effb">bme680_defs.h</a>
+</li>
+<li>BME680_OS_NONE
+: <a class="el" href="bme680__defs_8h.html#a5ba113b3902da4c9baf45da5f32958d0">bme680_defs.h</a>
+</li>
+<li>BME680_OST_SEL
+: <a class="el" href="bme680__defs_8h.html#a7ecfc9ebc2dc3fae358c38215821db6d">bme680_defs.h</a>
+</li>
+<li>BME680_POLL_PERIOD_MS
+: <a class="el" href="bme680__defs_8h.html#a7545f57cf8b21f71292f4d2998049ab0">bme680_defs.h</a>
+</li>
+<li>BME680_REG_FILTER_INDEX
+: <a class="el" href="bme680__defs_8h.html#abead566b839b70723d7dc5be6eb65c12">bme680_defs.h</a>
+</li>
+<li>BME680_RES_HEAT0_ADDR
+: <a class="el" href="bme680__defs_8h.html#ad1429130a198bff35d0bb98bd1d4cbc1">bme680_defs.h</a>
+</li>
+<li>BME680_RESET_PERIOD
+: <a class="el" href="bme680__defs_8h.html#a6409d476475762c095a746a1b785bdd6">bme680_defs.h</a>
+</li>
+<li>BME680_RUN_GAS_DISABLE
+: <a class="el" href="bme680__defs_8h.html#a7cdfa822370f97878b251ec8ae437ad8">bme680_defs.h</a>
+</li>
+<li>BME680_SET_BITS
+: <a class="el" href="bme680__defs_8h.html#aa2dfae23c0c4a846bde4fdf3780c390e">bme680_defs.h</a>
+</li>
+<li>BME680_SET_BITS_POS_0
+: <a class="el" href="bme680__defs_8h.html#a5e3fed11d9e1cb98d8c05bc5f418d4e8">bme680_defs.h</a>
+</li>
+<li>BME680_SLEEP_MODE
+: <a class="el" href="bme680__defs_8h.html#a9fc5e8034aa79028c0286ea4c974ee69">bme680_defs.h</a>
+</li>
+<li>BME680_SOFT_RESET_ADDR
+: <a class="el" href="bme680__defs_8h.html#a69bae1e3eba277068c1055e3028bbf41">bme680_defs.h</a>
+</li>
+<li>BME680_SOFT_RESET_CMD
+: <a class="el" href="bme680__defs_8h.html#a6da379a1060ef5079d34ba88191c3488">bme680_defs.h</a>
+</li>
+<li>BME680_T2_LSB_REG
+: <a class="el" href="bme680__defs_8h.html#ab0bf47738f04f4e67488166d66096752">bme680_defs.h</a>
+</li>
+<li>BME680_TMP_BUFFER_LENGTH
+: <a class="el" href="bme680__defs_8h.html#a9be3bfa321b5d7b421ae2b8900d49eff">bme680_defs.h</a>
+</li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
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+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: File Members</title>
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+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
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+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
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+        name="MSearchResults" id="MSearchResults">
+</iframe>
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+<div class="contents">
+&#160;<ul>
+<li>bme680_intf
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6">bme680_defs.h</a>
+</li>
+</ul>
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+Generated by &#160;<a href="http://www.doxygen.org/index.html">
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+</a> 1.8.13
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+<title>Adafruit BME680 Library: File Members</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
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+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
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+$(function() {
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+        name="MSearchResults" id="MSearchResults">
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+&#160;<ul>
+<li>BME680_I2C_INTF
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a8c5c46109186b1f476eafcb0fa608cf5">bme680_defs.h</a>
+</li>
+<li>BME680_SPI_INTF
+: <a class="el" href="bme680__defs_8h.html#a2232c03d0c1282e976af41b39e1b87d6a504bd691a4b57b0c914cc8c77bd696c3">bme680_defs.h</a>
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+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/globals_func.html b/lib/Adafruit_BME680-1.0.5/docs/globals_func.html
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+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: File Members</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
+  </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
+var searchBox = new SearchBox("searchBox", "search",false,'Search');
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+$(function() {
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+<!-- iframe showing the search results (closed by default) -->
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+<iframe src="javascript:void(0)" frameborder="0" 
+        name="MSearchResults" id="MSearchResults">
+</iframe>
+</div>
+
+<div class="contents">
+&#160;<ul>
+<li>bme680_get_profile_dur()
+: <a class="el" href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga191c03ab8aa1f4bc440953fd2f6317c2">bme680.h</a>
+</li>
+<li>bme680_get_regs()
+: <a class="el" href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">bme680.h</a>
+, <a class="el" href="group___b_m_e680.html#gaf5548cbdbf327e2c77bdb0afb1dde9e4">bme680.c</a>
+</li>
+<li>bme680_get_sensor_data()
+: <a class="el" href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga1025301e420e1e21911044bebb62f940">bme680.h</a>
+</li>
+<li>bme680_get_sensor_mode()
+: <a class="el" href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680.h</a>
+, <a class="el" href="group___b_m_e680.html#ga4e50492a1f4747868f7e9a826492f1e7">bme680.c</a>
+</li>
+<li>bme680_get_sensor_settings()
+: <a class="el" href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga7826b058b8eddcf05ccbb117fd9d41b7">bme680.h</a>
+</li>
+<li>bme680_init()
+: <a class="el" href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#gaee75ae524b7ca8f4a9b6dbb7f640c2e4">bme680.h</a>
+</li>
+<li>bme680_set_profile_dur()
+: <a class="el" href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga192f772bc9cb619e5855e93d6ebd6128">bme680.h</a>
+</li>
+<li>bme680_set_regs()
+: <a class="el" href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">bme680.h</a>
+, <a class="el" href="group___b_m_e680.html#ga5d1bad74f7ac28e75aca9d7de66fd2b4">bme680.c</a>
+</li>
+<li>bme680_set_sensor_mode()
+: <a class="el" href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga5ca765226e758e71c862553c7cc0b371">bme680.h</a>
+</li>
+<li>bme680_set_sensor_settings()
+: <a class="el" href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">bme680.c</a>
+, <a class="el" href="group___b_m_e680.html#ga2fea1365b4fa1d33eef434769b16e811">bme680.h</a>
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bB==="number"){bB+=""}else{if(b.isArray(bB)){bB=b.map(bB,function(bC){return bC==null?"":bC+""})}}}e=b.valHooks[this.nodeName.toLowerCase()]||b.valHooks[this.type];if(!e||!("set" in e)||e.set(this,bB,"value")===L){this.value=bB}})}});b.extend({valHooks:{option:{get:function(e){var bv=e.attributes.value;return !bv||bv.specified?e.value:e.text}},select:{get:function(e){var bA,bv,bz,bx,by=e.selectedIndex,bB=[],bC=e.options,bw=e.type==="select-one";if(by<0){return null}bv=bw?by:0;bz=bw?by+1:bC.length;for(;bv<bz;bv++){bx=bC[bv];if(bx.selected&&(b.support.optDisabled?!bx.disabled:bx.getAttribute("disabled")===null)&&(!bx.parentNode.disabled||!b.nodeName(bx.parentNode,"optgroup"))){bA=b(bx).val();if(bw){return bA}bB.push(bA)}}if(bw&&!bB.length&&bC.length){return b(bC[by]).val()}return bB},set:function(bv,bw){var e=b.makeArray(bw);b(bv).find("option").each(function(){this.selected=b.inArray(b(this).val(),e)>=0});if(!e.length){bv.selectedIndex=-1}return e}}},attrFn:{val:true,css:true,html:true,text:true,data:true,width:true,height:true,offset:true},attr:function(bA,bx,bB,bz){var bw,e,by,bv=bA.nodeType;if(!bA||bv===3||bv===8||bv===2){return}if(bz&&bx in b.attrFn){return b(bA)[bx](bB)}if(typeof bA.getAttribute==="undefined"){return b.prop(bA,bx,bB)}by=bv!==1||!b.isXMLDoc(bA);if(by){bx=bx.toLowerCase();e=b.attrHooks[bx]||(ao.test(bx)?aY:be)}if(bB!==L){if(bB===null){b.removeAttr(bA,bx);return}else{if(e&&"set" in e&&by&&(bw=e.set(bA,bB,bx))!==L){return bw}else{bA.setAttribute(bx,""+bB);return bB}}}else{if(e&&"get" in e&&by&&(bw=e.get(bA,bx))!==null){return bw}else{bw=bA.getAttribute(bx);return bw===null?L:bw}}},removeAttr:function(bx,bz){var by,bA,bv,e,bw=0;if(bz&&bx.nodeType===1){bA=bz.toLowerCase().split(af);e=bA.length;for(;bw<e;bw++){bv=bA[bw];if(bv){by=b.propFix[bv]||bv;b.attr(bx,bv,"");bx.removeAttribute(F?bv:by);if(ao.test(bv)&&by in bx){bx[by]=false}}}}},attrHooks:{type:{set:function(e,bv){if(g.test(e.nodeName)&&e.parentNode){b.error("type property can't be changed")}else{if(!b.support.radioValue&&bv==="radio"&&b.nodeName(e,"input")){var bw=e.value;e.setAttribute("type",bv);if(bw){e.value=bw}return bv}}}},value:{get:function(bv,e){if(be&&b.nodeName(bv,"button")){return be.get(bv,e)}return e in bv?bv.value:null},set:function(bv,bw,e){if(be&&b.nodeName(bv,"button")){return be.set(bv,bw,e)}bv.value=bw}}},propFix:{tabindex:"tabIndex",readonly:"readOnly","for":"htmlFor","class":"className",maxlength:"maxLength",cellspacing:"cellSpacing",cellpadding:"cellPadding",rowspan:"rowSpan",colspan:"colSpan",usemap:"useMap",frameborder:"frameBorder",contenteditable:"contentEditable"},prop:function(bz,bx,bA){var bw,e,by,bv=bz.nodeType;if(!bz||bv===3||bv===8||bv===2){return}by=bv!==1||!b.isXMLDoc(bz);if(by){bx=b.propFix[bx]||bx;e=b.propHooks[bx]}if(bA!==L){if(e&&"set" in e&&(bw=e.set(bz,bA,bx))!==L){return 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e=bw.getAttributeNode(bv);if(!e){e=av.createAttribute(bv);bw.setAttributeNode(e)}return(e.nodeValue=bx+"")}};b.attrHooks.tabindex.set=be.set;b.each(["width","height"],function(bv,e){b.attrHooks[e]=b.extend(b.attrHooks[e],{set:function(bw,bx){if(bx===""){bw.setAttribute(e,"auto");return bx}}})});b.attrHooks.contenteditable={get:be.get,set:function(bv,bw,e){if(bw===""){bw="false"}be.set(bv,bw,e)}}}if(!b.support.hrefNormalized){b.each(["href","src","width","height"],function(bv,e){b.attrHooks[e]=b.extend(b.attrHooks[e],{get:function(bx){var bw=bx.getAttribute(e,2);return bw===null?L:bw}})})}if(!b.support.style){b.attrHooks.style={get:function(e){return e.style.cssText.toLowerCase()||L},set:function(e,bv){return(e.style.cssText=""+bv)}}}if(!b.support.optSelected){b.propHooks.selected=b.extend(b.propHooks.selected,{get:function(bv){var e=bv.parentNode;if(e){e.selectedIndex;if(e.parentNode){e.parentNode.selectedIndex}}return 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bw){b.event.remove(bJ,bz+bE[bF],bv,bH,true)}continue}by=b.event.special[bz]||{};bz=(bH?by.delegateType:by.bindType)||bz;bD=bw[bz]||[];bA=bD.length;bC=bC?new RegExp("(^|\\.)"+bC.split(".").sort().join("\\.(?:.*\\.)?")+"(\\.|$)"):null;for(bG=0;bG<bD.length;bG++){e=bD[bG];if((bB||bL===e.origType)&&(!bv||bv.guid===e.guid)&&(!bC||bC.test(e.namespace))&&(!bH||bH===e.selector||bH==="**"&&e.selector)){bD.splice(bG--,1);if(e.selector){bD.delegateCount--}if(by.remove){by.remove.call(bJ,e)}}}if(bD.length===0&&bA!==bD.length){if(!by.teardown||by.teardown.call(bJ,bC)===false){b.removeEvent(bJ,bz,bI.handle)}delete bw[bz]}}if(b.isEmptyObject(bw)){bK=bI.handle;if(bK){bK.elem=null}b.removeData(bJ,["events","handle"],true)}},customEvent:{getData:true,setData:true,changeData:true},trigger:function(bv,bD,bA,bJ){if(bA&&(bA.nodeType===3||bA.nodeType===8)){return}var bG=bv.type||bv,bx=[],e,bw,bC,bH,bz,by,bF,bE,bB,bI;if(T.test(bG+b.event.triggered)){return}if(bG.indexOf("!")>=0){bG=bG.slice(0,-1);bw=true}if(bG.indexOf(".")>=0){bx=bG.split(".");bG=bx.shift();bx.sort()}if((!bA||b.event.customEvent[bG])&&!b.event.global[bG]){return}bv=typeof bv==="object"?bv[b.expando]?bv:new b.Event(bG,bv):new b.Event(bG);bv.type=bG;bv.isTrigger=true;bv.exclusive=bw;bv.namespace=bx.join(".");bv.namespace_re=bv.namespace?new RegExp("(^|\\.)"+bx.join("\\.(?:.*\\.)?")+"(\\.|$)"):null;by=bG.indexOf(":")<0?"on"+bG:"";if(!bA){e=b.cache;for(bC in e){if(e[bC].events&&e[bC].events[bG]){b.event.trigger(bv,bD,e[bC].handle.elem,true)}}return}bv.result=L;if(!bv.target){bv.target=bA}bD=bD!=null?b.makeArray(bD):[];bD.unshift(bv);bF=b.event.special[bG]||{};if(bF.trigger&&bF.trigger.apply(bA,bD)===false){return}bB=[[bA,bF.bindType||bG]];if(!bJ&&!bF.noBubble&&!b.isWindow(bA)){bI=bF.delegateType||bG;bH=T.test(bI+bG)?bA:bA.parentNode;bz=null;for(;bH;bH=bH.parentNode){bB.push([bH,bI]);bz=bH}if(bz&&bz===bA.ownerDocument){bB.push([bz.defaultView||bz.parentWindow||bb,bI])}}for(bC=0;bC<bB.length&&!bv.isPropagationStopped();bC++){bH=bB[bC][0];bv.type=bB[bC][1];bE=(b._data(bH,"events")||{})[bv.type]&&b._data(bH,"handle");if(bE){bE.apply(bH,bD)}bE=by&&bH[by];if(bE&&b.acceptData(bH)&&bE.apply(bH,bD)===false){bv.preventDefault()}}bv.type=bG;if(!bJ&&!bv.isDefaultPrevented()){if((!bF._default||bF._default.apply(bA.ownerDocument,bD)===false)&&!(bG==="click"&&b.nodeName(bA,"a"))&&b.acceptData(bA)){if(by&&bA[bG]&&((bG!=="focus"&&bG!=="blur")||bv.target.offsetWidth!==0)&&!b.isWindow(bA)){bz=bA[by];if(bz){bA[by]=null}b.event.triggered=bG;bA[bG]();b.event.triggered=L;if(bz){bA[by]=bz}}}}return bv.result},dispatch:function(e){e=b.event.fix(e||bb.event);var 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+/*!
+ * Sizzle CSS Selector Engine
+ *  Copyright 2011, The Dojo Foundation
+ *  Released under the MIT, BSD, and GPL Licenses.
+ *  More information: http://sizzlejs.com/
+ */
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bw=e.offsetTop,bv=e.offsetLeft;if(b.support.doesNotIncludeMarginInBodyOffset){bw+=parseFloat(b.css(e,"marginTop"))||0;bv+=parseFloat(b.css(e,"marginLeft"))||0}return{top:bw,left:bv}},setOffset:function(bx,bG,bA){var bB=b.css(bx,"position");if(bB==="static"){bx.style.position="relative"}var bz=b(bx),bv=bz.offset(),e=b.css(bx,"top"),bE=b.css(bx,"left"),bF=(bB==="absolute"||bB==="fixed")&&b.inArray("auto",[e,bE])>-1,bD={},bC={},bw,by;if(bF){bC=bz.position();bw=bC.top;by=bC.left}else{bw=parseFloat(e)||0;by=parseFloat(bE)||0}if(b.isFunction(bG)){bG=bG.call(bx,bA,bv)}if(bG.top!=null){bD.top=(bG.top-bv.top)+bw}if(bG.left!=null){bD.left=(bG.left-bv.left)+by}if("using" in bG){bG.using.call(bx,bD)}else{bz.css(bD)}}};b.fn.extend({position:function(){if(!this[0]){return null}var bw=this[0],bv=this.offsetParent(),bx=this.offset(),e=ad.test(bv[0].nodeName)?{top:0,left:0}:bv.offset();bx.top-=parseFloat(b.css(bw,"marginTop"))||0;bx.left-=parseFloat(b.css(bw,"marginLeft"))||0;e.top+=parseFloat(b.css(bv[0],"borderTopWidth"))||0;e.left+=parseFloat(b.css(bv[0],"borderLeftWidth"))||0;return{top:bx.top-e.top,left:bx.left-e.left}},offsetParent:function(){return this.map(function(){var e=this.offsetParent||av.body;while(e&&(!ad.test(e.nodeName)&&b.css(e,"position")==="static")){e=e.offsetParent}return e})}});b.each(["Left","Top"],function(bv,e){var bw="scroll"+e;b.fn[bw]=function(bz){var bx,by;if(bz===L){bx=this[0];if(!bx){return null}by=aK(bx);return by?("pageXOffset" in by)?by[bv?"pageYOffset":"pageXOffset"]:b.support.boxModel&&by.document.documentElement[bw]||by.document.body[bw]:bx[bw]}return this.each(function(){by=aK(this);if(by){by.scrollTo(!bv?bz:b(by).scrollLeft(),bv?bz:b(by).scrollTop())}else{this[bw]=bz}})}});function aK(e){return b.isWindow(e)?e:e.nodeType===9?e.defaultView||e.parentWindow:false}b.each(["Height","Width"],function(bv,e){var bw=e.toLowerCase();b.fn["inner"+e]=function(){var bx=this[0];return bx?bx.style?parseFloat(b.css(bx,bw,"padding")):this[bw]():null};b.fn["outer"+e]=function(by){var bx=this[0];return bx?bx.style?parseFloat(b.css(bx,bw,by?"margin":"border")):this[bw]():null};b.fn[bw]=function(bz){var bA=this[0];if(!bA){return bz==null?null:this}if(b.isFunction(bz)){return this.each(function(bE){var bD=b(this);bD[bw](bz.call(this,bE,bD[bw]()))})}if(b.isWindow(bA)){var bB=bA.document.documentElement["client"+e],bx=bA.document.body;return bA.document.compatMode==="CSS1Compat"&&bB||bx&&bx["client"+e]||bB}else{if(bA.nodeType===9){return Math.max(bA.documentElement["client"+e],bA.body["scroll"+e],bA.documentElement["scroll"+e],bA.body["offset"+e],bA.documentElement["offset"+e])}else{if(bz===L){var bC=b.css(bA,bw),by=parseFloat(bC);return b.isNumeric(by)?by:bC}else{return this.css(bw,typeof bz==="string"?bz:bz+"px")}}}}});bb.jQuery=bb.$=b;if(typeof define==="function"&&define.amd&&define.amd.jQuery){define("jquery",[],function(){return b})}})(window);/*!
+ * jQuery UI 1.8.18
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI
+ */
+(function(a,d){a.ui=a.ui||{};if(a.ui.version){return}a.extend(a.ui,{version:"1.8.18",keyCode:{ALT:18,BACKSPACE:8,CAPS_LOCK:20,COMMA:188,COMMAND:91,COMMAND_LEFT:91,COMMAND_RIGHT:93,CONTROL:17,DELETE:46,DOWN:40,END:35,ENTER:13,ESCAPE:27,HOME:36,INSERT:45,LEFT:37,MENU:93,NUMPAD_ADD:107,NUMPAD_DECIMAL:110,NUMPAD_DIVIDE:111,NUMPAD_ENTER:108,NUMPAD_MULTIPLY:106,NUMPAD_SUBTRACT:109,PAGE_DOWN:34,PAGE_UP:33,PERIOD:190,RIGHT:39,SHIFT:16,SPACE:32,TAB:9,UP:38,WINDOWS:91}});a.fn.extend({propAttr:a.fn.prop||a.fn.attr,_focus:a.fn.focus,focus:function(e,f){return typeof e==="number"?this.each(function(){var g=this;setTimeout(function(){a(g).focus();if(f){f.call(g)}},e)}):this._focus.apply(this,arguments)},scrollParent:function(){var e;if((a.browser.msie&&(/(static|relative)/).test(this.css("position")))||(/absolute/).test(this.css("position"))){e=this.parents().filter(function(){return(/(relative|absolute|fixed)/).test(a.curCSS(this,"position",1))&&(/(auto|scroll)/).test(a.curCSS(this,"overflow",1)+a.curCSS(this,"overflow-y",1)+a.curCSS(this,"overflow-x",1))}).eq(0)}else{e=this.parents().filter(function(){return(/(auto|scroll)/).test(a.curCSS(this,"overflow",1)+a.curCSS(this,"overflow-y",1)+a.curCSS(this,"overflow-x",1))}).eq(0)}return(/fixed/).test(this.css("position"))||!e.length?a(document):e},zIndex:function(h){if(h!==d){return this.css("zIndex",h)}if(this.length){var f=a(this[0]),e,g;while(f.length&&f[0]!==document){e=f.css("position");if(e==="absolute"||e==="relative"||e==="fixed"){g=parseInt(f.css("zIndex"),10);if(!isNaN(g)&&g!==0){return g}}f=f.parent()}}return 0},disableSelection:function(){return this.bind((a.support.selectstart?"selectstart":"mousedown")+".ui-disableSelection",function(e){e.preventDefault()})},enableSelection:function(){return this.unbind(".ui-disableSelection")}});a.each(["Width","Height"],function(g,e){var f=e==="Width"?["Left","Right"]:["Top","Bottom"],h=e.toLowerCase(),k={innerWidth:a.fn.innerWidth,innerHeight:a.fn.innerHeight,outerWidth:a.fn.outerWidth,outerHeight:a.fn.outerHeight};function j(m,l,i,n){a.each(f,function(){l-=parseFloat(a.curCSS(m,"padding"+this,true))||0;if(i){l-=parseFloat(a.curCSS(m,"border"+this+"Width",true))||0}if(n){l-=parseFloat(a.curCSS(m,"margin"+this,true))||0}});return l}a.fn["inner"+e]=function(i){if(i===d){return k["inner"+e].call(this)}return this.each(function(){a(this).css(h,j(this,i)+"px")})};a.fn["outer"+e]=function(i,l){if(typeof i!=="number"){return k["outer"+e].call(this,i)}return this.each(function(){a(this).css(h,j(this,i,true,l)+"px")})}});function c(g,e){var j=g.nodeName.toLowerCase();if("area"===j){var i=g.parentNode,h=i.name,f;if(!g.href||!h||i.nodeName.toLowerCase()!=="map"){return false}f=a("img[usemap=#"+h+"]")[0];return !!f&&b(f)}return(/input|select|textarea|button|object/.test(j)?!g.disabled:"a"==j?g.href||e:e)&&b(g)}function b(e){return !a(e).parents().andSelf().filter(function(){return a.curCSS(this,"visibility")==="hidden"||a.expr.filters.hidden(this)}).length}a.extend(a.expr[":"],{data:function(g,f,e){return !!a.data(g,e[3])},focusable:function(e){return c(e,!isNaN(a.attr(e,"tabindex")))},tabbable:function(g){var e=a.attr(g,"tabindex"),f=isNaN(e);return(f||e>=0)&&c(g,!f)}});a(function(){var e=document.body,f=e.appendChild(f=document.createElement("div"));f.offsetHeight;a.extend(f.style,{minHeight:"100px",height:"auto",padding:0,borderWidth:0});a.support.minHeight=f.offsetHeight===100;a.support.selectstart="onselectstart" in f;e.removeChild(f).style.display="none"});a.extend(a.ui,{plugin:{add:function(f,g,j){var h=a.ui[f].prototype;for(var e in j){h.plugins[e]=h.plugins[e]||[];h.plugins[e].push([g,j[e]])}},call:function(e,g,f){var j=e.plugins[g];if(!j||!e.element[0].parentNode){return}for(var h=0;h<j.length;h++){if(e.options[j[h][0]]){j[h][1].apply(e.element,f)}}}},contains:function(f,e){return document.compareDocumentPosition?f.compareDocumentPosition(e)&16:f!==e&&f.contains(e)},hasScroll:function(h,f){if(a(h).css("overflow")==="hidden"){return false}var e=(f&&f==="left")?"scrollLeft":"scrollTop",g=false;if(h[e]>0){return true}h[e]=1;g=(h[e]>0);h[e]=0;return g},isOverAxis:function(f,e,g){return(f>e)&&(f<(e+g))},isOver:function(j,f,i,h,e,g){return a.ui.isOverAxis(j,i,e)&&a.ui.isOverAxis(f,h,g)}})})(jQuery);/*!
+ * jQuery UI Widget 1.8.18
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Widget
+ */
+(function(b,d){if(b.cleanData){var c=b.cleanData;b.cleanData=function(f){for(var g=0,h;(h=f[g])!=null;g++){try{b(h).triggerHandler("remove")}catch(j){}}c(f)}}else{var a=b.fn.remove;b.fn.remove=function(e,f){return this.each(function(){if(!f){if(!e||b.filter(e,[this]).length){b("*",this).add([this]).each(function(){try{b(this).triggerHandler("remove")}catch(g){}})}}return a.call(b(this),e,f)})}}b.widget=function(f,h,e){var g=f.split(".")[0],j;f=f.split(".")[1];j=g+"-"+f;if(!e){e=h;h=b.Widget}b.expr[":"][j]=function(k){return !!b.data(k,f)};b[g]=b[g]||{};b[g][f]=function(k,l){if(arguments.length){this._createWidget(k,l)}};var i=new h();i.options=b.extend(true,{},i.options);b[g][f].prototype=b.extend(true,i,{namespace:g,widgetName:f,widgetEventPrefix:b[g][f].prototype.widgetEventPrefix||f,widgetBaseClass:j},e);b.widget.bridge(f,b[g][f])};b.widget.bridge=function(f,e){b.fn[f]=function(i){var g=typeof i==="string",h=Array.prototype.slice.call(arguments,1),j=this;i=!g&&h.length?b.extend.apply(null,[true,i].concat(h)):i;if(g&&i.charAt(0)==="_"){return j}if(g){this.each(function(){var k=b.data(this,f),l=k&&b.isFunction(k[i])?k[i].apply(k,h):k;if(l!==k&&l!==d){j=l;return false}})}else{this.each(function(){var k=b.data(this,f);if(k){k.option(i||{})._init()}else{b.data(this,f,new e(i,this))}})}return j}};b.Widget=function(e,f){if(arguments.length){this._createWidget(e,f)}};b.Widget.prototype={widgetName:"widget",widgetEventPrefix:"",options:{disabled:false},_createWidget:function(f,g){b.data(g,this.widgetName,this);this.element=b(g);this.options=b.extend(true,{},this.options,this._getCreateOptions(),f);var e=this;this.element.bind("remove."+this.widgetName,function(){e.destroy()});this._create();this._trigger("create");this._init()},_getCreateOptions:function(){return b.metadata&&b.metadata.get(this.element[0])[this.widgetName]},_create:function(){},_init:function(){},destroy:function(){this.element.unbind("."+this.widgetName).removeData(this.widgetName);this.widget().unbind("."+this.widgetName).removeAttr("aria-disabled").removeClass(this.widgetBaseClass+"-disabled ui-state-disabled")},widget:function(){return this.element},option:function(f,g){var e=f;if(arguments.length===0){return b.extend({},this.options)}if(typeof f==="string"){if(g===d){return this.options[f]}e={};e[f]=g}this._setOptions(e);return this},_setOptions:function(f){var e=this;b.each(f,function(g,h){e._setOption(g,h)});return this},_setOption:function(e,f){this.options[e]=f;if(e==="disabled"){this.widget()[f?"addClass":"removeClass"](this.widgetBaseClass+"-disabled ui-state-disabled").attr("aria-disabled",f)}return this},enable:function(){return this._setOption("disabled",false)},disable:function(){return this._setOption("disabled",true)},_trigger:function(e,f,g){var j,i,h=this.options[e];g=g||{};f=b.Event(f);f.type=(e===this.widgetEventPrefix?e:this.widgetEventPrefix+e).toLowerCase();f.target=this.element[0];i=f.originalEvent;if(i){for(j in i){if(!(j in f)){f[j]=i[j]}}}this.element.trigger(f,g);return !(b.isFunction(h)&&h.call(this.element[0],f,g)===false||f.isDefaultPrevented())}}})(jQuery);/*!
+ * jQuery UI Mouse 1.8.18
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Mouse
+ *
+ * Depends:
+ *	jquery.ui.widget.js
+ */
+(function(b,c){var a=false;b(document).mouseup(function(d){a=false});b.widget("ui.mouse",{options:{cancel:":input,option",distance:1,delay:0},_mouseInit:function(){var d=this;this.element.bind("mousedown."+this.widgetName,function(e){return d._mouseDown(e)}).bind("click."+this.widgetName,function(e){if(true===b.data(e.target,d.widgetName+".preventClickEvent")){b.removeData(e.target,d.widgetName+".preventClickEvent");e.stopImmediatePropagation();return false}});this.started=false},_mouseDestroy:function(){this.element.unbind("."+this.widgetName)},_mouseDown:function(f){if(a){return}(this._mouseStarted&&this._mouseUp(f));this._mouseDownEvent=f;var e=this,g=(f.which==1),d=(typeof this.options.cancel=="string"&&f.target.nodeName?b(f.target).closest(this.options.cancel).length:false);if(!g||d||!this._mouseCapture(f)){return true}this.mouseDelayMet=!this.options.delay;if(!this.mouseDelayMet){this._mouseDelayTimer=setTimeout(function(){e.mouseDelayMet=true},this.options.delay)}if(this._mouseDistanceMet(f)&&this._mouseDelayMet(f)){this._mouseStarted=(this._mouseStart(f)!==false);if(!this._mouseStarted){f.preventDefault();return true}}if(true===b.data(f.target,this.widgetName+".preventClickEvent")){b.removeData(f.target,this.widgetName+".preventClickEvent")}this._mouseMoveDelegate=function(h){return e._mouseMove(h)};this._mouseUpDelegate=function(h){return e._mouseUp(h)};b(document).bind("mousemove."+this.widgetName,this._mouseMoveDelegate).bind("mouseup."+this.widgetName,this._mouseUpDelegate);f.preventDefault();a=true;return true},_mouseMove:function(d){if(b.browser.msie&&!(document.documentMode>=9)&&!d.button){return this._mouseUp(d)}if(this._mouseStarted){this._mouseDrag(d);return d.preventDefault()}if(this._mouseDistanceMet(d)&&this._mouseDelayMet(d)){this._mouseStarted=(this._mouseStart(this._mouseDownEvent,d)!==false);(this._mouseStarted?this._mouseDrag(d):this._mouseUp(d))}return !this._mouseStarted},_mouseUp:function(d){b(document).unbind("mousemove."+this.widgetName,this._mouseMoveDelegate).unbind("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=false;if(d.target==this._mouseDownEvent.target){b.data(d.target,this.widgetName+".preventClickEvent",true)}this._mouseStop(d)}return false},_mouseDistanceMet:function(d){return(Math.max(Math.abs(this._mouseDownEvent.pageX-d.pageX),Math.abs(this._mouseDownEvent.pageY-d.pageY))>=this.options.distance)},_mouseDelayMet:function(d){return this.mouseDelayMet},_mouseStart:function(d){},_mouseDrag:function(d){},_mouseStop:function(d){},_mouseCapture:function(d){return true}})})(jQuery);(function(c,d){c.widget("ui.resizable",c.ui.mouse,{widgetEventPrefix:"resize",options:{alsoResize:false,animate:false,animateDuration:"slow",animateEasing:"swing",aspectRatio:false,autoHide:false,containment:false,ghost:false,grid:false,handles:"e,s,se",helper:false,maxHeight:null,maxWidth:null,minHeight:10,minWidth:10,zIndex:1000},_create:function(){var f=this,k=this.options;this.element.addClass("ui-resizable");c.extend(this,{_aspectRatio:!!(k.aspectRatio),aspectRatio:k.aspectRatio,originalElement:this.element,_proportionallyResizeElements:[],_helper:k.helper||k.ghost||k.animate?k.helper||"ui-resizable-helper":null});if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)){this.element.wrap(c('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({position:this.element.css("position"),width:this.element.outerWidth(),height:this.element.outerHeight(),top:this.element.css("top"),left:this.element.css("left")}));this.element=this.element.parent().data("resizable",this.element.data("resizable"));this.elementIsWrapper=true;this.element.css({marginLeft:this.originalElement.css("marginLeft"),marginTop:this.originalElement.css("marginTop"),marginRight:this.originalElement.css("marginRight"),marginBottom:this.originalElement.css("marginBottom")});this.originalElement.css({marginLeft:0,marginTop:0,marginRight:0,marginBottom:0});this.originalResizeStyle=this.originalElement.css("resize");this.originalElement.css("resize","none");this._proportionallyResizeElements.push(this.originalElement.css({position:"static",zoom:1,display:"block"}));this.originalElement.css({margin:this.originalElement.css("margin")});this._proportionallyResize()}this.handles=k.handles||(!c(".ui-resizable-handle",this.element).length?"e,s,se":{n:".ui-resizable-n",e:".ui-resizable-e",s:".ui-resizable-s",w:".ui-resizable-w",se:".ui-resizable-se",sw:".ui-resizable-sw",ne:".ui-resizable-ne",nw:".ui-resizable-nw"});if(this.handles.constructor==String){if(this.handles=="all"){this.handles="n,e,s,w,se,sw,ne,nw"}var l=this.handles.split(",");this.handles={};for(var g=0;g<l.length;g++){var j=c.trim(l[g]),e="ui-resizable-"+j;var h=c('<div class="ui-resizable-handle '+e+'"></div>');if(/sw|se|ne|nw/.test(j)){h.css({zIndex:++k.zIndex})}if("se"==j){h.addClass("ui-icon ui-icon-gripsmall-diagonal-se")}this.handles[j]=".ui-resizable-"+j;this.element.append(h)}}this._renderAxis=function(q){q=q||this.element;for(var n in this.handles){if(this.handles[n].constructor==String){this.handles[n]=c(this.handles[n],this.element).show()}if(this.elementIsWrapper&&this.originalElement[0].nodeName.match(/textarea|input|select|button/i)){var o=c(this.handles[n],this.element),p=0;p=/sw|ne|nw|se|n|s/.test(n)?o.outerHeight():o.outerWidth();var m=["padding",/ne|nw|n/.test(n)?"Top":/se|sw|s/.test(n)?"Bottom":/^e$/.test(n)?"Right":"Left"].join("");q.css(m,p);this._proportionallyResize()}if(!c(this.handles[n]).length){continue}}};this._renderAxis(this.element);this._handles=c(".ui-resizable-handle",this.element).disableSelection();this._handles.mouseover(function(){if(!f.resizing){if(this.className){var i=this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i)}f.axis=i&&i[1]?i[1]:"se"}});if(k.autoHide){this._handles.hide();c(this.element).addClass("ui-resizable-autohide").hover(function(){if(k.disabled){return}c(this).removeClass("ui-resizable-autohide");f._handles.show()},function(){if(k.disabled){return}if(!f.resizing){c(this).addClass("ui-resizable-autohide");f._handles.hide()}})}this._mouseInit()},destroy:function(){this._mouseDestroy();var e=function(g){c(g).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing").removeData("resizable").unbind(".resizable").find(".ui-resizable-handle").remove()};if(this.elementIsWrapper){e(this.element);var f=this.element;f.after(this.originalElement.css({position:f.css("position"),width:f.outerWidth(),height:f.outerHeight(),top:f.css("top"),left:f.css("left")})).remove()}this.originalElement.css("resize",this.originalResizeStyle);e(this.originalElement);return this},_mouseCapture:function(f){var g=false;for(var e in this.handles){if(c(this.handles[e])[0]==f.target){g=true}}return !this.options.disabled&&g},_mouseStart:function(g){var j=this.options,f=this.element.position(),e=this.element;this.resizing=true;this.documentScroll={top:c(document).scrollTop(),left:c(document).scrollLeft()};if(e.is(".ui-draggable")||(/absolute/).test(e.css("position"))){e.css({position:"absolute",top:f.top,left:f.left})}this._renderProxy();var k=b(this.helper.css("left")),h=b(this.helper.css("top"));if(j.containment){k+=c(j.containment).scrollLeft()||0;h+=c(j.containment).scrollTop()||0}this.offset=this.helper.offset();this.position={left:k,top:h};this.size=this._helper?{width:e.outerWidth(),height:e.outerHeight()}:{width:e.width(),height:e.height()};this.originalSize=this._helper?{width:e.outerWidth(),height:e.outerHeight()}:{width:e.width(),height:e.height()};this.originalPosition={left:k,top:h};this.sizeDiff={width:e.outerWidth()-e.width(),height:e.outerHeight()-e.height()};this.originalMousePosition={left:g.pageX,top:g.pageY};this.aspectRatio=(typeof j.aspectRatio=="number")?j.aspectRatio:((this.originalSize.width/this.originalSize.height)||1);var i=c(".ui-resizable-"+this.axis).css("cursor");c("body").css("cursor",i=="auto"?this.axis+"-resize":i);e.addClass("ui-resizable-resizing");this._propagate("start",g);return true},_mouseDrag:function(e){var h=this.helper,g=this.options,m={},q=this,j=this.originalMousePosition,n=this.axis;var r=(e.pageX-j.left)||0,p=(e.pageY-j.top)||0;var i=this._change[n];if(!i){return false}var l=i.apply(this,[e,r,p]),k=c.browser.msie&&c.browser.version<7,f=this.sizeDiff;this._updateVirtualBoundaries(e.shiftKey);if(this._aspectRatio||e.shiftKey){l=this._updateRatio(l,e)}l=this._respectSize(l,e);this._propagate("resize",e);h.css({top:this.position.top+"px",left:this.position.left+"px",width:this.size.width+"px",height:this.size.height+"px"});if(!this._helper&&this._proportionallyResizeElements.length){this._proportionallyResize()}this._updateCache(l);this._trigger("resize",e,this.ui());return false},_mouseStop:function(h){this.resizing=false;var i=this.options,m=this;if(this._helper){var g=this._proportionallyResizeElements,e=g.length&&(/textarea/i).test(g[0].nodeName),f=e&&c.ui.hasScroll(g[0],"left")?0:m.sizeDiff.height,k=e?0:m.sizeDiff.width;var n={width:(m.helper.width()-k),height:(m.helper.height()-f)},j=(parseInt(m.element.css("left"),10)+(m.position.left-m.originalPosition.left))||null,l=(parseInt(m.element.css("top"),10)+(m.position.top-m.originalPosition.top))||null;if(!i.animate){this.element.css(c.extend(n,{top:l,left:j}))}m.helper.height(m.size.height);m.helper.width(m.size.width);if(this._helper&&!i.animate){this._proportionallyResize()}}c("body").css("cursor","auto");this.element.removeClass("ui-resizable-resizing");this._propagate("stop",h);if(this._helper){this.helper.remove()}return false},_updateVirtualBoundaries:function(g){var j=this.options,i,h,f,k,e;e={minWidth:a(j.minWidth)?j.minWidth:0,maxWidth:a(j.maxWidth)?j.maxWidth:Infinity,minHeight:a(j.minHeight)?j.minHeight:0,maxHeight:a(j.maxHeight)?j.maxHeight:Infinity};if(this._aspectRatio||g){i=e.minHeight*this.aspectRatio;f=e.minWidth/this.aspectRatio;h=e.maxHeight*this.aspectRatio;k=e.maxWidth/this.aspectRatio;if(i>e.minWidth){e.minWidth=i}if(f>e.minHeight){e.minHeight=f}if(h<e.maxWidth){e.maxWidth=h}if(k<e.maxHeight){e.maxHeight=k}}this._vBoundaries=e},_updateCache:function(e){var f=this.options;this.offset=this.helper.offset();if(a(e.left)){this.position.left=e.left}if(a(e.top)){this.position.top=e.top}if(a(e.height)){this.size.height=e.height}if(a(e.width)){this.size.width=e.width}},_updateRatio:function(h,g){var i=this.options,j=this.position,f=this.size,e=this.axis;if(a(h.height)){h.width=(h.height*this.aspectRatio)}else{if(a(h.width)){h.height=(h.width/this.aspectRatio)}}if(e=="sw"){h.left=j.left+(f.width-h.width);h.top=null}if(e=="nw"){h.top=j.top+(f.height-h.height);h.left=j.left+(f.width-h.width)}return h},_respectSize:function(l,g){var j=this.helper,i=this._vBoundaries,r=this._aspectRatio||g.shiftKey,q=this.axis,t=a(l.width)&&i.maxWidth&&(i.maxWidth<l.width),m=a(l.height)&&i.maxHeight&&(i.maxHeight<l.height),h=a(l.width)&&i.minWidth&&(i.minWidth>l.width),s=a(l.height)&&i.minHeight&&(i.minHeight>l.height);if(h){l.width=i.minWidth}if(s){l.height=i.minHeight}if(t){l.width=i.maxWidth}if(m){l.height=i.maxHeight}var f=this.originalPosition.left+this.originalSize.width,p=this.position.top+this.size.height;var k=/sw|nw|w/.test(q),e=/nw|ne|n/.test(q);if(h&&k){l.left=f-i.minWidth}if(t&&k){l.left=f-i.maxWidth}if(s&&e){l.top=p-i.minHeight}if(m&&e){l.top=p-i.maxHeight}var n=!l.width&&!l.height;if(n&&!l.left&&l.top){l.top=null}else{if(n&&!l.top&&l.left){l.left=null}}return l},_proportionallyResize:function(){var k=this.options;if(!this._proportionallyResizeElements.length){return}var g=this.helper||this.element;for(var f=0;f<this._proportionallyResizeElements.length;f++){var h=this._proportionallyResizeElements[f];if(!this.borderDif){var e=[h.css("borderTopWidth"),h.css("borderRightWidth"),h.css("borderBottomWidth"),h.css("borderLeftWidth")],j=[h.css("paddingTop"),h.css("paddingRight"),h.css("paddingBottom"),h.css("paddingLeft")];this.borderDif=c.map(e,function(l,n){var m=parseInt(l,10)||0,o=parseInt(j[n],10)||0;return m+o})}if(c.browser.msie&&!(!(c(g).is(":hidden")||c(g).parents(":hidden").length))){continue}h.css({height:(g.height()-this.borderDif[0]-this.borderDif[2])||0,width:(g.width()-this.borderDif[1]-this.borderDif[3])||0})}},_renderProxy:function(){var f=this.element,i=this.options;this.elementOffset=f.offset();if(this._helper){this.helper=this.helper||c('<div style="overflow:hidden;"></div>');var e=c.browser.msie&&c.browser.version<7,g=(e?1:0),h=(e?2:-1);this.helper.addClass(this._helper).css({width:this.element.outerWidth()+h,height:this.element.outerHeight()+h,position:"absolute",left:this.elementOffset.left-g+"px",top:this.elementOffset.top-g+"px",zIndex:++i.zIndex});this.helper.appendTo("body").disableSelection()}else{this.helper=this.element}},_change:{e:function(g,f,e){return{width:this.originalSize.width+f}},w:function(h,f,e){var j=this.options,g=this.originalSize,i=this.originalPosition;return{left:i.left+f,width:g.width-f}},n:function(h,f,e){var j=this.options,g=this.originalSize,i=this.originalPosition;return{top:i.top+e,height:g.height-e}},s:function(g,f,e){return{height:this.originalSize.height+e}},se:function(g,f,e){return c.extend(this._change.s.apply(this,arguments),this._change.e.apply(this,[g,f,e]))},sw:function(g,f,e){return c.extend(this._change.s.apply(this,arguments),this._change.w.apply(this,[g,f,e]))},ne:function(g,f,e){return c.extend(this._change.n.apply(this,arguments),this._change.e.apply(this,[g,f,e]))},nw:function(g,f,e){return c.extend(this._change.n.apply(this,arguments),this._change.w.apply(this,[g,f,e]))}},_propagate:function(f,e){c.ui.plugin.call(this,f,[e,this.ui()]);(f!="resize"&&this._trigger(f,e,this.ui()))},plugins:{},ui:function(){return{originalElement:this.originalElement,element:this.element,helper:this.helper,position:this.position,size:this.size,originalSize:this.originalSize,originalPosition:this.originalPosition}}});c.extend(c.ui.resizable,{version:"1.8.18"});c.ui.plugin.add("resizable","alsoResize",{start:function(f,g){var e=c(this).data("resizable"),i=e.options;var h=function(j){c(j).each(function(){var k=c(this);k.data("resizable-alsoresize",{width:parseInt(k.width(),10),height:parseInt(k.height(),10),left:parseInt(k.css("left"),10),top:parseInt(k.css("top"),10)})})};if(typeof(i.alsoResize)=="object"&&!i.alsoResize.parentNode){if(i.alsoResize.length){i.alsoResize=i.alsoResize[0];h(i.alsoResize)}else{c.each(i.alsoResize,function(j){h(j)})}}else{h(i.alsoResize)}},resize:function(g,i){var f=c(this).data("resizable"),j=f.options,h=f.originalSize,l=f.originalPosition;var k={height:(f.size.height-h.height)||0,width:(f.size.width-h.width)||0,top:(f.position.top-l.top)||0,left:(f.position.left-l.left)||0},e=function(m,n){c(m).each(function(){var q=c(this),r=c(this).data("resizable-alsoresize"),p={},o=n&&n.length?n:q.parents(i.originalElement[0]).length?["width","height"]:["width","height","top","left"];c.each(o,function(s,u){var t=(r[u]||0)+(k[u]||0);if(t&&t>=0){p[u]=t||null}});q.css(p)})};if(typeof(j.alsoResize)=="object"&&!j.alsoResize.nodeType){c.each(j.alsoResize,function(m,n){e(m,n)})}else{e(j.alsoResize)}},stop:function(e,f){c(this).removeData("resizable-alsoresize")}});c.ui.plugin.add("resizable","animate",{stop:function(i,n){var p=c(this).data("resizable"),j=p.options;var h=p._proportionallyResizeElements,e=h.length&&(/textarea/i).test(h[0].nodeName),f=e&&c.ui.hasScroll(h[0],"left")?0:p.sizeDiff.height,l=e?0:p.sizeDiff.width;var g={width:(p.size.width-l),height:(p.size.height-f)},k=(parseInt(p.element.css("left"),10)+(p.position.left-p.originalPosition.left))||null,m=(parseInt(p.element.css("top"),10)+(p.position.top-p.originalPosition.top))||null;p.element.animate(c.extend(g,m&&k?{top:m,left:k}:{}),{duration:j.animateDuration,easing:j.animateEasing,step:function(){var o={width:parseInt(p.element.css("width"),10),height:parseInt(p.element.css("height"),10),top:parseInt(p.element.css("top"),10),left:parseInt(p.element.css("left"),10)};if(h&&h.length){c(h[0]).css({width:o.width,height:o.height})}p._updateCache(o);p._propagate("resize",i)}})}});c.ui.plugin.add("resizable","containment",{start:function(f,r){var t=c(this).data("resizable"),j=t.options,l=t.element;var g=j.containment,k=(g instanceof c)?g.get(0):(/parent/.test(g))?l.parent().get(0):g;if(!k){return}t.containerElement=c(k);if(/document/.test(g)||g==document){t.containerOffset={left:0,top:0};t.containerPosition={left:0,top:0};t.parentData={element:c(document),left:0,top:0,width:c(document).width(),height:c(document).height()||document.body.parentNode.scrollHeight}}else{var n=c(k),i=[];c(["Top","Right","Left","Bottom"]).each(function(p,o){i[p]=b(n.css("padding"+o))});t.containerOffset=n.offset();t.containerPosition=n.position();t.containerSize={height:(n.innerHeight()-i[3]),width:(n.innerWidth()-i[1])};var q=t.containerOffset,e=t.containerSize.height,m=t.containerSize.width,h=(c.ui.hasScroll(k,"left")?k.scrollWidth:m),s=(c.ui.hasScroll(k)?k.scrollHeight:e);t.parentData={element:k,left:q.left,top:q.top,width:h,height:s}}},resize:function(g,q){var t=c(this).data("resizable"),i=t.options,f=t.containerSize,p=t.containerOffset,m=t.size,n=t.position,r=t._aspectRatio||g.shiftKey,e={top:0,left:0},h=t.containerElement;if(h[0]!=document&&(/static/).test(h.css("position"))){e=p}if(n.left<(t._helper?p.left:0)){t.size.width=t.size.width+(t._helper?(t.position.left-p.left):(t.position.left-e.left));if(r){t.size.height=t.size.width/i.aspectRatio}t.position.left=i.helper?p.left:0}if(n.top<(t._helper?p.top:0)){t.size.height=t.size.height+(t._helper?(t.position.top-p.top):t.position.top);if(r){t.size.width=t.size.height*i.aspectRatio}t.position.top=t._helper?p.top:0}t.offset.left=t.parentData.left+t.position.left;t.offset.top=t.parentData.top+t.position.top;var l=Math.abs((t._helper?t.offset.left-e.left:(t.offset.left-e.left))+t.sizeDiff.width),s=Math.abs((t._helper?t.offset.top-e.top:(t.offset.top-p.top))+t.sizeDiff.height);var k=t.containerElement.get(0)==t.element.parent().get(0),j=/relative|absolute/.test(t.containerElement.css("position"));if(k&&j){l-=t.parentData.left}if(l+t.size.width>=t.parentData.width){t.size.width=t.parentData.width-l;if(r){t.size.height=t.size.width/t.aspectRatio}}if(s+t.size.height>=t.parentData.height){t.size.height=t.parentData.height-s;if(r){t.size.width=t.size.height*t.aspectRatio}}},stop:function(f,n){var q=c(this).data("resizable"),g=q.options,l=q.position,m=q.containerOffset,e=q.containerPosition,i=q.containerElement;var j=c(q.helper),r=j.offset(),p=j.outerWidth()-q.sizeDiff.width,k=j.outerHeight()-q.sizeDiff.height;if(q._helper&&!g.animate&&(/relative/).test(i.css("position"))){c(this).css({left:r.left-e.left-m.left,width:p,height:k})}if(q._helper&&!g.animate&&(/static/).test(i.css("position"))){c(this).css({left:r.left-e.left-m.left,width:p,height:k})}}});c.ui.plugin.add("resizable","ghost",{start:function(g,h){var e=c(this).data("resizable"),i=e.options,f=e.size;e.ghost=e.originalElement.clone();e.ghost.css({opacity:0.25,display:"block",position:"relative",height:f.height,width:f.width,margin:0,left:0,top:0}).addClass("ui-resizable-ghost").addClass(typeof i.ghost=="string"?i.ghost:"");e.ghost.appendTo(e.helper)},resize:function(f,g){var e=c(this).data("resizable"),h=e.options;if(e.ghost){e.ghost.css({position:"relative",height:e.size.height,width:e.size.width})}},stop:function(f,g){var e=c(this).data("resizable"),h=e.options;if(e.ghost&&e.helper){e.helper.get(0).removeChild(e.ghost.get(0))}}});c.ui.plugin.add("resizable","grid",{resize:function(e,m){var p=c(this).data("resizable"),h=p.options,k=p.size,i=p.originalSize,j=p.originalPosition,n=p.axis,l=h._aspectRatio||e.shiftKey;h.grid=typeof h.grid=="number"?[h.grid,h.grid]:h.grid;var g=Math.round((k.width-i.width)/(h.grid[0]||1))*(h.grid[0]||1),f=Math.round((k.height-i.height)/(h.grid[1]||1))*(h.grid[1]||1);if(/^(se|s|e)$/.test(n)){p.size.width=i.width+g;p.size.height=i.height+f}else{if(/^(ne)$/.test(n)){p.size.width=i.width+g;p.size.height=i.height+f;p.position.top=j.top-f}else{if(/^(sw)$/.test(n)){p.size.width=i.width+g;p.size.height=i.height+f;p.position.left=j.left-g}else{p.size.width=i.width+g;p.size.height=i.height+f;p.position.top=j.top-f;p.position.left=j.left-g}}}}});var b=function(e){return parseInt(e,10)||0};var a=function(e){return !isNaN(parseInt(e,10))}})(jQuery);/*!
+ * jQuery hashchange event - v1.3 - 7/21/2010
+ * http://benalman.com/projects/jquery-hashchange-plugin/
+ * 
+ * Copyright (c) 2010 "Cowboy" Ben Alman
+ * Dual licensed under the MIT and GPL licenses.
+ * http://benalman.com/about/license/
+ */
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o=a(this);if(o.dataSM("scroll-arrows")){o.dataSM("scroll-arrows").remove()}if(o.dataSM("shown-before")){if(l.opts.subMenusMinWidth||l.opts.subMenusMaxWidth){o.css({width:"",minWidth:"",maxWidth:""}).removeClass("sm-nowrap")}if(o.dataSM("scroll-arrows")){o.dataSM("scroll-arrows").remove()}o.css({zIndex:"",top:"",left:"",marginLeft:"",marginTop:"",display:""})}if((o.attr("id")||"").indexOf(l.accessIdPrefix)==0){o.removeAttr("id")}}).removeDataSM("in-mega").removeDataSM("shown-before").removeDataSM("ie-shim").removeDataSM("scroll-arrows").removeDataSM("parent-a").removeDataSM("level").removeDataSM("beforefirstshowfired").removeAttr("role").removeAttr("aria-hidden").removeAttr("aria-labelledby").removeAttr("aria-expanded");this.$root.find("a.has-submenu").each(function(){var o=a(this);if(o.attr("id").indexOf(l.accessIdPrefix)==0){o.removeAttr("id")}}).removeClass("has-submenu").removeDataSM("sub").removeAttr("aria-haspopup").removeAttr("aria-controls").removeAttr("aria-expanded").closest("li").removeDataSM("sub");if(this.opts.subIndicators){this.$root.find("span.sub-arrow").remove()}if(this.opts.markCurrentItem){this.$root.find("a.current").removeClass("current")}if(!m){this.$root=null;this.$firstLink=null;this.$firstSub=null;if(this.$disableOverlay){this.$disableOverlay.remove();this.$disableOverlay=null}b.splice(a.inArray(this,b),1)}},disable:function(l){if(!this.disabled){this.menuHideAll();if(!l&&!this.opts.isPopup&&this.$root.is(":visible")){var m=this.$root.offset();this.$disableOverlay=a('<div class="sm-jquery-disable-overlay"/>').css({position:"absolute",top:m.top,left:m.left,width:this.$root.outerWidth(),height:this.$root.outerHeight(),zIndex:this.getStartZIndex(true),opacity:0}).appendTo(document.body)}this.disabled=true}},docClick:function(l){if(this.$touchScrollingSub){this.$touchScrollingSub=null;return}if(this.visibleSubMenus.length&&!a.contains(this.$root[0],l.target)||a(l.target).is("a")){this.menuHideAll()}},docTouchEnd:function(m){if(!this.lastTouch){return}if(this.visibleSubMenus.length&&(this.lastTouch.x2===undefined||this.lastTouch.x1==this.lastTouch.x2)&&(this.lastTouch.y2===undefined||this.lastTouch.y1==this.lastTouch.y2)&&(!this.lastTouch.target||!a.contains(this.$root[0],this.lastTouch.target))){if(this.hideTimeout){clearTimeout(this.hideTimeout);this.hideTimeout=0}var l=this;this.hideTimeout=setTimeout(function(){l.menuHideAll()},350)}this.lastTouch=null},docTouchMove:function(m){if(!this.lastTouch){return}var l=m.originalEvent.touches[0];this.lastTouch.x2=l.pageX;this.lastTouch.y2=l.pageY},docTouchStart:function(m){var l=m.originalEvent.touches[0];this.lastTouch={x1:l.pageX,y1:l.pageY,target:l.target}},enable:function(){if(this.disabled){if(this.$disableOverlay){this.$disableOverlay.remove();this.$disableOverlay=null}this.disabled=false}},getClosestMenu:function(m){var l=a(m).closest("ul");while(l.dataSM("in-mega")){l=l.parent().closest("ul")}return l[0]||null},getHeight:function(l){return this.getOffset(l,true)},getOffset:function(n,l){var m;if(n.css("display")=="none"){m={position:n[0].style.position,visibility:n[0].style.visibility};n.css({position:"absolute",visibility:"hidden"}).show()}var o=n[0].getBoundingClientRect&&n[0].getBoundingClientRect(),p=o&&(l?o.height||o.bottom-o.top:o.width||o.right-o.left);if(!p&&p!==0){p=l?n[0].offsetHeight:n[0].offsetWidth}if(m){n.hide().css(m)}return p},getStartZIndex:function(l){var m=parseInt(this[l?"$root":"$firstSub"].css("z-index"));if(!l&&isNaN(m)){m=parseInt(this.$root.css("z-index"))}return !isNaN(m)?m:1},getTouchPoint:function(l){return l.touches&&l.touches[0]||l.changedTouches&&l.changedTouches[0]||l},getViewport:function(l){var m=l?"Height":"Width",o=document.documentElement["client"+m],n=window["inner"+m];if(n){o=Math.min(o,n)}return o},getViewportHeight:function(){return this.getViewport(true)},getViewportWidth:function(){return this.getViewport()},getWidth:function(l){return this.getOffset(l)},handleEvents:function(){return !this.disabled&&this.isCSSOn()},handleItemEvents:function(l){return this.handleEvents()&&!this.isLinkInMegaMenu(l)},isCollapsible:function(){return this.$firstSub.css("position")=="static"},isCSSOn:function(){return this.$firstLink.css("display")=="block"},isFixed:function(){var l=this.$root.css("position")=="fixed";if(!l){this.$root.parentsUntil("body").each(function(){if(a(this).css("position")=="fixed"){l=true;return false}})}return l},isLinkInMegaMenu:function(l){return a(this.getClosestMenu(l[0])).hasClass("mega-menu")},isTouchMode:function(){return !f||this.opts.noMouseOver||this.isCollapsible()},itemActivate:function(p,l){var n=p.closest("ul"),q=n.dataSM("level");if(q>1&&(!this.activatedItems[q-2]||this.activatedItems[q-2][0]!=n.dataSM("parent-a")[0])){var m=this;a(n.parentsUntil("[data-smartmenus-id]","ul").get().reverse()).add(n).each(function(){m.itemActivate(a(this).dataSM("parent-a"))})}if(!this.isCollapsible()||l){this.menuHideSubMenus(!this.activatedItems[q-1]||this.activatedItems[q-1][0]!=p[0]?q-1:q)}this.activatedItems[q-1]=p;if(this.$root.triggerHandler("activate.smapi",p[0])===false){return}var o=p.dataSM("sub");if(o&&(this.isTouchMode()||(!this.opts.showOnClick||this.clickActivated))){this.menuShow(o)}},itemBlur:function(m){var l=a(m.currentTarget);if(!this.handleItemEvents(l)){return}this.$root.triggerHandler("blur.smapi",l[0])},itemClick:function(o){var n=a(o.currentTarget);if(!this.handleItemEvents(n)){return}if(this.$touchScrollingSub&&this.$touchScrollingSub[0]==n.closest("ul")[0]){this.$touchScrollingSub=null;o.stopPropagation();return false}if(this.$root.triggerHandler("click.smapi",n[0])===false){return false}var p=a(o.target).is("span.sub-arrow"),m=n.dataSM("sub"),l=m?m.dataSM("level")==2:false;if(m&&!m.is(":visible")){if(this.opts.showOnClick&&l){this.clickActivated=true}this.itemActivate(n);if(m.is(":visible")){this.focusActivated=true;return false}}else{if(this.isCollapsible()&&p){this.itemActivate(n);this.menuHide(m);return false}}if(this.opts.showOnClick&&l||n.hasClass("disabled")||this.$root.triggerHandler("select.smapi",n[0])===false){return false}},itemDown:function(m){var l=a(m.currentTarget);if(!this.handleItemEvents(l)){return}l.dataSM("mousedown",true)},itemEnter:function(n){var m=a(n.currentTarget);if(!this.handleItemEvents(m)){return}if(!this.isTouchMode()){if(this.showTimeout){clearTimeout(this.showTimeout);this.showTimeout=0}var l=this;this.showTimeout=setTimeout(function(){l.itemActivate(m)},this.opts.showOnClick&&m.closest("ul").dataSM("level")==1?1:this.opts.showTimeout)}this.$root.triggerHandler("mouseenter.smapi",m[0])},itemFocus:function(m){var l=a(m.currentTarget);if(!this.handleItemEvents(l)){return}if(this.focusActivated&&(!this.isTouchMode()||!l.dataSM("mousedown"))&&(!this.activatedItems.length||this.activatedItems[this.activatedItems.length-1][0]!=l[0])){this.itemActivate(l,true)}this.$root.triggerHandler("focus.smapi",l[0])},itemLeave:function(m){var l=a(m.currentTarget);if(!this.handleItemEvents(l)){return}if(!this.isTouchMode()){l[0].blur();if(this.showTimeout){clearTimeout(this.showTimeout);this.showTimeout=0}}l.removeDataSM("mousedown");this.$root.triggerHandler("mouseleave.smapi",l[0])},menuHide:function(m){if(this.$root.triggerHandler("beforehide.smapi",m[0])===false){return}m.stop(true,true);if(m.css("display")!="none"){var l=function(){m.css("z-index","")};if(this.isCollapsible()){if(this.opts.collapsibleHideFunction){this.opts.collapsibleHideFunction.call(this,m,l)}else{m.hide(this.opts.collapsibleHideDuration,l)}}else{if(this.opts.hideFunction){this.opts.hideFunction.call(this,m,l)}else{m.hide(this.opts.hideDuration,l)}}if(m.dataSM("ie-shim")){m.dataSM("ie-shim").remove().css({"-webkit-transform":"",transform:""})}if(m.dataSM("scroll")){this.menuScrollStop(m);m.css({"touch-action":"","-ms-touch-action":"","-webkit-transform":"",transform:""}).unbind(".smartmenus_scroll").removeDataSM("scroll").dataSM("scroll-arrows").hide()}m.dataSM("parent-a").removeClass("highlighted").attr("aria-expanded","false");m.attr({"aria-expanded":"false","aria-hidden":"true"});var n=m.dataSM("level");this.activatedItems.splice(n-1,1);this.visibleSubMenus.splice(a.inArray(m,this.visibleSubMenus),1);this.$root.triggerHandler("hide.smapi",m[0])}},menuHideAll:function(){if(this.showTimeout){clearTimeout(this.showTimeout);this.showTimeout=0}var m=this.opts.isPopup?1:0;for(var l=this.visibleSubMenus.length-1;l>=m;l--){this.menuHide(this.visibleSubMenus[l])}if(this.opts.isPopup){this.$root.stop(true,true);if(this.$root.is(":visible")){if(this.opts.hideFunction){this.opts.hideFunction.call(this,this.$root)}else{this.$root.hide(this.opts.hideDuration)}if(this.$root.dataSM("ie-shim")){this.$root.dataSM("ie-shim").remove()}}}this.activatedItems=[];this.visibleSubMenus=[];this.clickActivated=false;this.focusActivated=false;this.zIndexInc=0;this.$root.triggerHandler("hideAll.smapi")},menuHideSubMenus:function(n){for(var l=this.activatedItems.length-1;l>=n;l--){var m=this.activatedItems[l].dataSM("sub");if(m){this.menuHide(m)}}},menuIframeShim:function(l){if(e&&this.opts.overlapControlsInIE&&!l.dataSM("ie-shim")){l.dataSM("ie-shim",a("<iframe/>").attr({src:"javascript:0",tabindex:-9}).css({position:"absolute",top:"auto",left:"0",opacity:0,border:"0"}))}},menuInit:function(l){if(!l.dataSM("in-mega")){if(l.hasClass("mega-menu")){l.find("ul").dataSM("in-mega",true)}var q=2,m=l[0];while((m=m.parentNode.parentNode)!=this.$root[0]){q++}var n=l.prevAll("a").eq(-1);if(!n.length){n=l.prevAll().find("a").eq(-1)}n.addClass("has-submenu").dataSM("sub",l);l.dataSM("parent-a",n).dataSM("level",q).parent().dataSM("sub",l);var o=n.attr("id")||this.accessIdPrefix+(++this.idInc),p=l.attr("id")||this.accessIdPrefix+(++this.idInc);n.attr({id:o,"aria-haspopup":"true","aria-controls":p,"aria-expanded":"false"});l.attr({id:p,role:"group","aria-hidden":"true","aria-labelledby":o,"aria-expanded":"false"});if(this.opts.subIndicators){n[this.opts.subIndicatorsPos](this.$subArrow.clone())}}},menuPosition:function(K){var r=K.dataSM("parent-a"),D=r.closest("li"),E=D.parent(),l=K.dataSM("level"),t=this.getWidth(K),J=this.getHeight(K),u=r.offset(),o=u.left,m=u.top,q=this.getWidth(r),F=this.getHeight(r),H=a(window),v=H.scrollLeft(),s=H.scrollTop(),z=this.getViewportWidth(),L=this.getViewportHeight(),w=E.parent().is("[data-sm-horizontal-sub]")||l==2&&!E.hasClass("sm-vertical"),B=this.opts.rightToLeftSubMenus&&!D.is("[data-sm-reverse]")||!this.opts.rightToLeftSubMenus&&D.is("[data-sm-reverse]"),p=l==2?this.opts.mainMenuSubOffsetX:this.opts.subMenusSubOffsetX,n=l==2?this.opts.mainMenuSubOffsetY:this.opts.subMenusSubOffsetY,C,A;if(w){C=B?q-t-p:p;A=this.opts.bottomToTopSubMenus?-J-n:F+n}else{C=B?p-t:q-p;A=this.opts.bottomToTopSubMenus?F-n-J:n}if(this.opts.keepInViewport){var N=o+C,M=m+A;if(B&&N<v){C=w?v-N+C:q-p}else{if(!B&&N+t>v+z){C=w?v+z-t-N+C:p-t}}if(!w){if(J<L&&M+J>s+L){A+=s+L-J-M}else{if(J>=L||M<s){A+=s-M}}}if(w&&(M+J>s+L+0.49||M<s)||!w&&J>L+0.49){var G=this;if(!K.dataSM("scroll-arrows")){K.dataSM("scroll-arrows",a([a('<span class="scroll-up"><span class="scroll-up-arrow"></span></span>')[0],a('<span class="scroll-down"><span class="scroll-down-arrow"></span></span>')[0]]).bind({mouseenter:function(){K.dataSM("scroll").up=a(this).hasClass("scroll-up");G.menuScroll(K)},mouseleave:function(x){G.menuScrollStop(K);G.menuScrollOut(K,x)},"mousewheel DOMMouseScroll":function(x){x.preventDefault()}}).insertAfter(K))}var I=".smartmenus_scroll";K.dataSM("scroll",{y:this.cssTransforms3d?0:A-F,step:1,itemH:F,subH:J,arrowDownH:this.getHeight(K.dataSM("scroll-arrows").eq(1))}).bind(i([["mouseover",function(x){G.menuScrollOver(K,x)}],["mouseout",function(x){G.menuScrollOut(K,x)}],["mousewheel DOMMouseScroll",function(x){G.menuScrollMousewheel(K,x)}]],I)).dataSM("scroll-arrows").css({top:"auto",left:"0",marginLeft:C+(parseInt(K.css("border-left-width"))||0),width:t-(parseInt(K.css("border-left-width"))||0)-(parseInt(K.css("border-right-width"))||0),zIndex:K.css("z-index")}).eq(w&&this.opts.bottomToTopSubMenus?0:1).show();if(this.isFixed()){K.css({"touch-action":"none","-ms-touch-action":"none"}).bind(i([[d?"touchstart touchmove touchend":"pointerdown pointermove pointerup MSPointerDown MSPointerMove MSPointerUp",function(x){G.menuScrollTouch(K,x)}]],I))}}}K.css({top:"auto",left:"0",marginLeft:C,marginTop:A-F});this.menuIframeShim(K);if(K.dataSM("ie-shim")){K.dataSM("ie-shim").css({zIndex:K.css("z-index"),width:t,height:J,marginLeft:C,marginTop:A-F})}},menuScroll:function(r,m,n){var p=r.dataSM("scroll"),q=r.dataSM("scroll-arrows"),o=p.up?p.upEnd:p.downEnd,s;if(!m&&p.momentum){p.momentum*=0.92;s=p.momentum;if(s<0.5){this.menuScrollStop(r);return}}else{s=n||(m||!this.opts.scrollAccelerate?this.opts.scrollStep:Math.floor(p.step))}var l=r.dataSM("level");if(this.activatedItems[l-1]&&this.activatedItems[l-1].dataSM("sub")&&this.activatedItems[l-1].dataSM("sub").is(":visible")){this.menuHideSubMenus(l-1)}p.y=p.up&&o<=p.y||!p.up&&o>=p.y?p.y:(Math.abs(o-p.y)>s?p.y+(p.up?s:-s):o);r.add(r.dataSM("ie-shim")).css(this.cssTransforms3d?{"-webkit-transform":"translate3d(0, "+p.y+"px, 0)",transform:"translate3d(0, "+p.y+"px, 0)"}:{marginTop:p.y});if(f&&(p.up&&p.y>p.downEnd||!p.up&&p.y<p.upEnd)){q.eq(p.up?1:0).show()}if(p.y==o){if(f){q.eq(p.up?0:1).hide()}this.menuScrollStop(r)}else{if(!m){if(this.opts.scrollAccelerate&&p.step<this.opts.scrollStep){p.step+=0.2}var t=this;this.scrollTimeout=g(function(){t.menuScroll(r)})}}},menuScrollMousewheel:function(m,n){if(this.getClosestMenu(n.target)==m[0]){n=n.originalEvent;var l=(n.wheelDelta||-n.detail)>0;if(m.dataSM("scroll-arrows").eq(l?0:1).is(":visible")){m.dataSM("scroll").up=l;this.menuScroll(m,true)}}n.preventDefault()},menuScrollOut:function(l,m){if(f){if(!/^scroll-(up|down)/.test((m.relatedTarget||"").className)&&(l[0]!=m.relatedTarget&&!a.contains(l[0],m.relatedTarget)||this.getClosestMenu(m.relatedTarget)!=l[0])){l.dataSM("scroll-arrows").css("visibility","hidden")}}},menuScrollOver:function(n,o){if(f){if(!/^scroll-(up|down)/.test(o.target.className)&&this.getClosestMenu(o.target)==n[0]){this.menuScrollRefreshData(n);var m=n.dataSM("scroll"),l=a(window).scrollTop()-n.dataSM("parent-a").offset().top-m.itemH;n.dataSM("scroll-arrows").eq(0).css("margin-top",l).end().eq(1).css("margin-top",l+this.getViewportHeight()-m.arrowDownH).end().css("visibility","visible")}}},menuScrollRefreshData:function(n){var m=n.dataSM("scroll"),l=a(window).scrollTop()-n.dataSM("parent-a").offset().top-m.itemH;if(this.cssTransforms3d){l=-(parseFloat(n.css("margin-top"))-l)}a.extend(m,{upEnd:l,downEnd:l+this.getViewportHeight()-m.subH})},menuScrollStop:function(l){if(this.scrollTimeout){c(this.scrollTimeout);this.scrollTimeout=0;l.dataSM("scroll").step=1;return true}},menuScrollTouch:function(p,q){q=q.originalEvent;if(j(q)){var m=this.getTouchPoint(q);if(this.getClosestMenu(m.target)==p[0]){var o=p.dataSM("scroll");if(/(start|down)$/i.test(q.type)){if(this.menuScrollStop(p)){q.preventDefault();this.$touchScrollingSub=p}else{this.$touchScrollingSub=null}this.menuScrollRefreshData(p);a.extend(o,{touchStartY:m.pageY,touchStartTime:q.timeStamp})}else{if(/move$/i.test(q.type)){var n=o.touchY!==undefined?o.touchY:o.touchStartY;if(n!==undefined&&n!=m.pageY){this.$touchScrollingSub=p;var l=n<m.pageY;if(o.up!==undefined&&o.up!=l){a.extend(o,{touchStartY:m.pageY,touchStartTime:q.timeStamp})}a.extend(o,{up:l,touchY:m.pageY});this.menuScroll(p,true,Math.abs(m.pageY-n))}q.preventDefault()}else{if(o.touchY!==undefined){if(o.momentum=Math.pow(Math.abs(m.pageY-o.touchStartY)/(q.timeStamp-o.touchStartTime),2)*15){this.menuScrollStop(p);this.menuScroll(p);q.preventDefault()}delete o.touchY}}}}}},menuShow:function(n){if(!n.dataSM("beforefirstshowfired")){n.dataSM("beforefirstshowfired",true);if(this.$root.triggerHandler("beforefirstshow.smapi",n[0])===false){return}}if(this.$root.triggerHandler("beforeshow.smapi",n[0])===false){return}n.dataSM("shown-before",true).stop(true,true);if(!n.is(":visible")){var m=n.dataSM("parent-a");if(this.opts.keepHighlighted||this.isCollapsible()){m.addClass("highlighted")}if(this.isCollapsible()){n.removeClass("sm-nowrap").css({zIndex:"",width:"auto",minWidth:"",maxWidth:"",top:"",left:"",marginLeft:"",marginTop:""})}else{n.css("z-index",this.zIndexInc=(this.zIndexInc||this.getStartZIndex())+1);if(this.opts.subMenusMinWidth||this.opts.subMenusMaxWidth){n.css({width:"auto",minWidth:"",maxWidth:""}).addClass("sm-nowrap");if(this.opts.subMenusMinWidth){n.css("min-width",this.opts.subMenusMinWidth)}if(this.opts.subMenusMaxWidth){var o=this.getWidth(n);n.css("max-width",this.opts.subMenusMaxWidth);if(o>this.getWidth(n)){n.removeClass("sm-nowrap").css("width",this.opts.subMenusMaxWidth)}}}this.menuPosition(n);if(n.dataSM("ie-shim")){n.dataSM("ie-shim").insertBefore(n)}}var l=function(){n.css("overflow","")};if(this.isCollapsible()){if(this.opts.collapsibleShowFunction){this.opts.collapsibleShowFunction.call(this,n,l)}else{n.show(this.opts.collapsibleShowDuration,l)}}else{if(this.opts.showFunction){this.opts.showFunction.call(this,n,l)}else{n.show(this.opts.showDuration,l)}}m.attr("aria-expanded","true");n.attr({"aria-expanded":"true","aria-hidden":"false"});this.visibleSubMenus.push(n);this.$root.triggerHandler("show.smapi",n[0])}},popupHide:function(l){if(this.hideTimeout){clearTimeout(this.hideTimeout);this.hideTimeout=0}var m=this;this.hideTimeout=setTimeout(function(){m.menuHideAll()},l?1:this.opts.hideTimeout)},popupShow:function(o,n){if(!this.opts.isPopup){alert('SmartMenus jQuery Error:\n\nIf you want to show 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index 000000000..f128d156e
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+[
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+  ['readgas',['readGas',['../class_adafruit___b_m_e680.html#ae0b55eb1049c5949ff186de86aaafb55',1,'Adafruit_BME680']]],
+  ['readhumidity',['readHumidity',['../class_adafruit___b_m_e680.html#a1402c97860f9c61bf133be7e7056658b',1,'Adafruit_BME680']]],
+  ['readpressure',['readPressure',['../class_adafruit___b_m_e680.html#afd081183a7845fee1d1c080cce20495e',1,'Adafruit_BME680']]],
+  ['readtemperature',['readTemperature',['../class_adafruit___b_m_e680.html#a7b554e6edf5cea06cf480e53bcb65aec',1,'Adafruit_BME680']]]
+];
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new file mode 100644
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@@ -0,0 +1,26 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="functions_4.js"></script>
+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
+<div class="SRStatus" id="Loading">Loading...</div>
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+<script type="text/javascript"><!--
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+<div class="SRStatus" id="NoMatches">No Matches</div>
+<script type="text/javascript"><!--
+document.getElementById("Loading").style.display="none";
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+var searchResults = new SearchResults("searchResults");
+searchResults.Search();
+--></script>
+</div>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/functions_4.js b/lib/Adafruit_BME680-1.0.5/docs/search/functions_4.js
new file mode 100644
index 000000000..97a154533
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/search/functions_4.js
@@ -0,0 +1,8 @@
+var searchData=
+[
+  ['setgasheater',['setGasHeater',['../class_adafruit___b_m_e680.html#a2e6a61b5441c51bf5e44c3af3ee3fec8',1,'Adafruit_BME680']]],
+  ['sethumidityoversampling',['setHumidityOversampling',['../class_adafruit___b_m_e680.html#af1f05d2f024e946c1d7cbe3fb90b0859',1,'Adafruit_BME680']]],
+  ['setiirfiltersize',['setIIRFilterSize',['../class_adafruit___b_m_e680.html#a42f25a4f258aad9abad4abb6bd95ec77',1,'Adafruit_BME680']]],
+  ['setpressureoversampling',['setPressureOversampling',['../class_adafruit___b_m_e680.html#a73a9467c838951a187a268172a2b5d8c',1,'Adafruit_BME680']]],
+  ['settemperatureoversampling',['setTemperatureOversampling',['../class_adafruit___b_m_e680.html#a640ee0a0cb7ca57af30e8408260cc6e6',1,'Adafruit_BME680']]]
+];
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+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="groups_0.js"></script>
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+<div id="SRIndex">
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+<div id="SRResults"></div>
+<script type="text/javascript"><!--
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+<script type="text/javascript"><!--
+document.getElementById("Loading").style.display="none";
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+var searchResults = new SearchResults("searchResults");
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+--></script>
+</div>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/groups_0.js b/lib/Adafruit_BME680-1.0.5/docs/search/groups_0.js
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+++ b/lib/Adafruit_BME680-1.0.5/docs/search/groups_0.js
@@ -0,0 +1,4 @@
+var searchData=
+[
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@@ -0,0 +1,12 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
+<div class="SRStatus" id="NoMatches">No Matches</div>
+</div>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.html b/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.html
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+++ b/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta name="generator" content="Doxygen 1.8.13"/>
+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="pages_0.js"></script>
+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
+<div class="SRStatus" id="Loading">Loading...</div>
+<div id="SRResults"></div>
+<script type="text/javascript"><!--
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+<div class="SRStatus" id="Searching">Searching...</div>
+<div class="SRStatus" id="NoMatches">No Matches</div>
+<script type="text/javascript"><!--
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+document.getElementById("NoMatches").style.display="none";
+var searchResults = new SearchResults("searchResults");
+searchResults.Search();
+--></script>
+</div>
+</body>
+</html>
diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.js b/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.js
new file mode 100644
index 000000000..b9205585e
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+++ b/lib/Adafruit_BME680-1.0.5/docs/search/pages_0.js
@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['readme',['README',['../md__r_e_a_d_m_e.html',1,'']]]
+];
diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/search.css b/lib/Adafruit_BME680-1.0.5/docs/search/search.css
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index 000000000..3cf9df94a
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+/*---------------- Search Box */
+
+#FSearchBox {
+    float: left;
+}
+
+#MSearchBox {
+    white-space : nowrap;
+    float: none;
+    margin-top: 8px;
+    right: 0px;
+    width: 170px;
+    height: 24px;
+    z-index: 102;
+}
+
+#MSearchBox .left
+{
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+}
+
+#MSearchSelect {
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+}
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+}
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+}
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+    border:none;
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+    margin-left:20px;
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+}
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+#FSearchBox #MSearchField {
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+}
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+    position:absolute;
+    right:10px;
+    top:8px;
+    width:20px;
+    height:19px;
+    background:url('search_r.png') no-repeat;
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+}
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+#MSearchClose {
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+}
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+}
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+}
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+}
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+#MSearchSelectWindow {
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+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid #90A5CE;
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+    -webkit-border-bottom-right-radius: 4px;
+    -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+}
+
+.SelectItem {
+    font: 8pt Arial, Verdana, sans-serif;
+    padding-left:  2px;
+    padding-right: 12px;
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+}
+
+span.SelectionMark {
+    margin-right: 4px;
+    font-family: monospace;
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+}
+
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+}
+
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+}
+
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+    background-color: #3D578C;
+    outline-style: none;
+    text-decoration: none;
+    cursor: pointer;
+    display: block;
+}
+
+/*---------------- Search results window */
+
+iframe#MSearchResults {
+    width: 60ex;
+    height: 15em;
+}
+
+#MSearchResultsWindow {
+    display: none;
+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid #000;
+    background-color: #EEF1F7;
+    z-index:10000;
+}
+
+/* ----------------------------------- */
+
+
+#SRIndex {
+    clear:both; 
+    padding-bottom: 15px;
+}
+
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+}
+
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+    font-size: 8pt;
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+}
+
+body.SRPage {
+    margin: 5px 2px;
+}
+
+.SRChildren {
+    padding-left: 3ex; padding-bottom: .5em 
+}
+
+.SRPage .SRChildren {
+    display: none;
+}
+
+.SRSymbol {
+    font-weight: bold; 
+    color: #425E97;
+    font-family: Arial, Verdana, sans-serif;
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRScope {
+    display: block;
+    color: #425E97; 
+    font-family: Arial, Verdana, sans-serif;
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRSymbol:focus, a.SRSymbol:active,
+a.SRScope:focus, a.SRScope:active {
+    text-decoration: underline;
+}
+
+span.SRScope {
+    padding-left: 4px;
+}
+
+.SRPage .SRStatus {
+    padding: 2px 5px;
+    font-size: 8pt;
+    font-style: italic;
+}
+
+.SRResult {
+    display: none;
+}
+
+DIV.searchresults {
+    margin-left: 10px;
+    margin-right: 10px;
+}
+
+/*---------------- External search page results */
+
+.searchresult {
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+}
+
+.pages b {
+   color: white;
+   padding: 5px 5px 3px 5px;
+   background-image: url("../tab_a.png");
+   background-repeat: repeat-x;
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+}
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+.pages {
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+}
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+}
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+}
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+}
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/search.js b/lib/Adafruit_BME680-1.0.5/docs/search/search.js
new file mode 100644
index 000000000..dedce3bf0
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/docs/search/search.js
@@ -0,0 +1,791 @@
+function convertToId(search)
+{
+  var result = '';
+  for (i=0;i<search.length;i++)
+  {
+    var c = search.charAt(i);
+    var cn = c.charCodeAt(0);
+    if (c.match(/[a-z0-9\u0080-\uFFFF]/))
+    {
+      result+=c;
+    }
+    else if (cn<16)
+    {
+      result+="_0"+cn.toString(16);
+    }
+    else
+    {
+      result+="_"+cn.toString(16);
+    }
+  }
+  return result;
+}
+
+function getXPos(item)
+{
+  var x = 0;
+  if (item.offsetWidth)
+  {
+    while (item && item!=document.body)
+    {
+      x   += item.offsetLeft;
+      item = item.offsetParent;
+    }
+  }
+  return x;
+}
+
+function getYPos(item)
+{
+  var y = 0;
+  if (item.offsetWidth)
+  {
+     while (item && item!=document.body)
+     {
+       y   += item.offsetTop;
+       item = item.offsetParent;
+     }
+  }
+  return y;
+}
+
+/* A class handling everything associated with the search panel.
+
+   Parameters:
+   name - The name of the global variable that will be
+          storing this instance.  Is needed to be able to set timeouts.
+   resultPath - path to use for external files
+*/
+function SearchBox(name, resultsPath, inFrame, label)
+{
+  if (!name || !resultsPath) {  alert("Missing parameters to SearchBox."); }
+
+  // ---------- Instance variables
+  this.name                  = name;
+  this.resultsPath           = resultsPath;
+  this.keyTimeout            = 0;
+  this.keyTimeoutLength      = 500;
+  this.closeSelectionTimeout = 300;
+  this.lastSearchValue       = "";
+  this.lastResultsPage       = "";
+  this.hideTimeout           = 0;
+  this.searchIndex           = 0;
+  this.searchActive          = false;
+  this.insideFrame           = inFrame;
+  this.searchLabel           = label;
+
+  // ----------- DOM Elements
+
+  this.DOMSearchField = function()
+  {  return document.getElementById("MSearchField");  }
+
+  this.DOMSearchSelect = function()
+  {  return document.getElementById("MSearchSelect");  }
+
+  this.DOMSearchSelectWindow = function()
+  {  return document.getElementById("MSearchSelectWindow");  }
+
+  this.DOMPopupSearchResults = function()
+  {  return document.getElementById("MSearchResults");  }
+
+  this.DOMPopupSearchResultsWindow = function()
+  {  return document.getElementById("MSearchResultsWindow");  }
+
+  this.DOMSearchClose = function()
+  {  return document.getElementById("MSearchClose"); }
+
+  this.DOMSearchBox = function()
+  {  return document.getElementById("MSearchBox");  }
+
+  // ------------ Event Handlers
+
+  // Called when focus is added or removed from the search field.
+  this.OnSearchFieldFocus = function(isActive)
+  {
+    this.Activate(isActive);
+  }
+
+  this.OnSearchSelectShow = function()
+  {
+    var searchSelectWindow = this.DOMSearchSelectWindow();
+    var searchField        = this.DOMSearchSelect();
+
+    if (this.insideFrame)
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      left += searchField.offsetWidth + 6;
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      left -= searchSelectWindow.offsetWidth;
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+    else
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+
+    // stop selection hide timer
+    if (this.hideTimeout)
+    {
+      clearTimeout(this.hideTimeout);
+      this.hideTimeout=0;
+    }
+    return false; // to avoid "image drag" default event
+  }
+
+  this.OnSearchSelectHide = function()
+  {
+    this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
+                                  this.closeSelectionTimeout);
+  }
+
+  // Called when the content of the search field is changed.
+  this.OnSearchFieldChange = function(evt)
+  {
+    if (this.keyTimeout) // kill running timer
+    {
+      clearTimeout(this.keyTimeout);
+      this.keyTimeout = 0;
+    }
+
+    var e  = (evt) ? evt : window.event; // for IE
+    if (e.keyCode==40 || e.keyCode==13)
+    {
+      if (e.shiftKey==1)
+      {
+        this.OnSearchSelectShow();
+        var win=this.DOMSearchSelectWindow();
+        for (i=0;i<win.childNodes.length;i++)
+        {
+          var child = win.childNodes[i]; // get span within a
+          if (child.className=='SelectItem')
+          {
+            child.focus();
+            return;
+          }
+        }
+        return;
+      }
+      else if (window.frames.MSearchResults.searchResults)
+      {
+        var elem = window.frames.MSearchResults.searchResults.NavNext(0);
+        if (elem) elem.focus();
+      }
+    }
+    else if (e.keyCode==27) // Escape out of the search field
+    {
+      this.DOMSearchField().blur();
+      this.DOMPopupSearchResultsWindow().style.display = 'none';
+      this.DOMSearchClose().style.display = 'none';
+      this.lastSearchValue = '';
+      this.Activate(false);
+      return;
+    }
+
+    // strip whitespaces
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+
+    if (searchValue != this.lastSearchValue) // search value has changed
+    {
+      if (searchValue != "") // non-empty search
+      {
+        // set timer for search update
+        this.keyTimeout = setTimeout(this.name + '.Search()',
+                                     this.keyTimeoutLength);
+      }
+      else // empty search field
+      {
+        this.DOMPopupSearchResultsWindow().style.display = 'none';
+        this.DOMSearchClose().style.display = 'none';
+        this.lastSearchValue = '';
+      }
+    }
+  }
+
+  this.SelectItemCount = function(id)
+  {
+    var count=0;
+    var win=this.DOMSearchSelectWindow();
+    for (i=0;i<win.childNodes.length;i++)
+    {
+      var child = win.childNodes[i]; // get span within a
+      if (child.className=='SelectItem')
+      {
+        count++;
+      }
+    }
+    return count;
+  }
+
+  this.SelectItemSet = function(id)
+  {
+    var i,j=0;
+    var win=this.DOMSearchSelectWindow();
+    for (i=0;i<win.childNodes.length;i++)
+    {
+      var child = win.childNodes[i]; // get span within a
+      if (child.className=='SelectItem')
+      {
+        var node = child.firstChild;
+        if (j==id)
+        {
+          node.innerHTML='&#8226;';
+        }
+        else
+        {
+          node.innerHTML='&#160;';
+        }
+        j++;
+      }
+    }
+  }
+
+  // Called when an search filter selection is made.
+  // set item with index id as the active item
+  this.OnSelectItem = function(id)
+  {
+    this.searchIndex = id;
+    this.SelectItemSet(id);
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+    if (searchValue!="" && this.searchActive) // something was found -> do a search
+    {
+      this.Search();
+    }
+  }
+
+  this.OnSearchSelectKey = function(evt)
+  {
+    var e = (evt) ? evt : window.event; // for IE
+    if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
+    {
+      this.searchIndex++;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==38 && this.searchIndex>0) // Up
+    {
+      this.searchIndex--;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==13 || e.keyCode==27)
+    {
+      this.OnSelectItem(this.searchIndex);
+      this.CloseSelectionWindow();
+      this.DOMSearchField().focus();
+    }
+    return false;
+  }
+
+  // --------- Actions
+
+  // Closes the results window.
+  this.CloseResultsWindow = function()
+  {
+    this.DOMPopupSearchResultsWindow().style.display = 'none';
+    this.DOMSearchClose().style.display = 'none';
+    this.Activate(false);
+  }
+
+  this.CloseSelectionWindow = function()
+  {
+    this.DOMSearchSelectWindow().style.display = 'none';
+  }
+
+  // Performs a search.
+  this.Search = function()
+  {
+    this.keyTimeout = 0;
+
+    // strip leading whitespace
+    var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
+
+    var code = searchValue.toLowerCase().charCodeAt(0);
+    var idxChar = searchValue.substr(0, 1).toLowerCase();
+    if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair
+    {
+      idxChar = searchValue.substr(0, 2);
+    }
+
+    var resultsPage;
+    var resultsPageWithSearch;
+    var hasResultsPage;
+
+    var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar);
+    if (idx!=-1)
+    {
+       var hexCode=idx.toString(16);
+       resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
+       resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
+       hasResultsPage = true;
+    }
+    else // nothing available for this search term
+    {
+       resultsPage = this.resultsPath + '/nomatches.html';
+       resultsPageWithSearch = resultsPage;
+       hasResultsPage = false;
+    }
+
+    window.frames.MSearchResults.location = resultsPageWithSearch;
+    var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
+
+    if (domPopupSearchResultsWindow.style.display!='block')
+    {
+       var domSearchBox = this.DOMSearchBox();
+       this.DOMSearchClose().style.display = 'inline';
+       if (this.insideFrame)
+       {
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         domPopupSearchResultsWindow.style.position = 'relative';
+         domPopupSearchResultsWindow.style.display  = 'block';
+         var width = document.body.clientWidth - 8; // the -8 is for IE :-(
+         domPopupSearchResultsWindow.style.width    = width + 'px';
+         domPopupSearchResults.style.width          = width + 'px';
+       }
+       else
+       {
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
+         var top  = getYPos(domSearchBox) + 20;  // domSearchBox.offsetHeight + 1;
+         domPopupSearchResultsWindow.style.display = 'block';
+         left -= domPopupSearchResults.offsetWidth;
+         domPopupSearchResultsWindow.style.top     = top  + 'px';
+         domPopupSearchResultsWindow.style.left    = left + 'px';
+       }
+    }
+
+    this.lastSearchValue = searchValue;
+    this.lastResultsPage = resultsPage;
+  }
+
+  // -------- Activation Functions
+
+  // Activates or deactivates the search panel, resetting things to
+  // their default values if necessary.
+  this.Activate = function(isActive)
+  {
+    if (isActive || // open it
+        this.DOMPopupSearchResultsWindow().style.display == 'block'
+       )
+    {
+      this.DOMSearchBox().className = 'MSearchBoxActive';
+
+      var searchField = this.DOMSearchField();
+
+      if (searchField.value == this.searchLabel) // clear "Search" term upon entry
+      {
+        searchField.value = '';
+        this.searchActive = true;
+      }
+    }
+    else if (!isActive) // directly remove the panel
+    {
+      this.DOMSearchBox().className = 'MSearchBoxInactive';
+      this.DOMSearchField().value   = this.searchLabel;
+      this.searchActive             = false;
+      this.lastSearchValue          = ''
+      this.lastResultsPage          = '';
+    }
+  }
+}
+
+// -----------------------------------------------------------------------
+
+// The class that handles everything on the search results page.
+function SearchResults(name)
+{
+    // The number of matches from the last run of <Search()>.
+    this.lastMatchCount = 0;
+    this.lastKey = 0;
+    this.repeatOn = false;
+
+    // Toggles the visibility of the passed element ID.
+    this.FindChildElement = function(id)
+    {
+      var parentElement = document.getElementById(id);
+      var element = parentElement.firstChild;
+
+      while (element && element!=parentElement)
+      {
+        if (element.nodeName == 'DIV' && element.className == 'SRChildren')
+        {
+          return element;
+        }
+
+        if (element.nodeName == 'DIV' && element.hasChildNodes())
+        {
+           element = element.firstChild;
+        }
+        else if (element.nextSibling)
+        {
+           element = element.nextSibling;
+        }
+        else
+        {
+          do
+          {
+            element = element.parentNode;
+          }
+          while (element && element!=parentElement && !element.nextSibling);
+
+          if (element && element!=parentElement)
+          {
+            element = element.nextSibling;
+          }
+        }
+      }
+    }
+
+    this.Toggle = function(id)
+    {
+      var element = this.FindChildElement(id);
+      if (element)
+      {
+        if (element.style.display == 'block')
+        {
+          element.style.display = 'none';
+        }
+        else
+        {
+          element.style.display = 'block';
+        }
+      }
+    }
+
+    // Searches for the passed string.  If there is no parameter,
+    // it takes it from the URL query.
+    //
+    // Always returns true, since other documents may try to call it
+    // and that may or may not be possible.
+    this.Search = function(search)
+    {
+      if (!search) // get search word from URL
+      {
+        search = window.location.search;
+        search = search.substring(1);  // Remove the leading '?'
+        search = unescape(search);
+      }
+
+      search = search.replace(/^ +/, ""); // strip leading spaces
+      search = search.replace(/ +$/, ""); // strip trailing spaces
+      search = search.toLowerCase();
+      search = convertToId(search);
+
+      var resultRows = document.getElementsByTagName("div");
+      var matches = 0;
+
+      var i = 0;
+      while (i < resultRows.length)
+      {
+        var row = resultRows.item(i);
+        if (row.className == "SRResult")
+        {
+          var rowMatchName = row.id.toLowerCase();
+          rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
+
+          if (search.length<=rowMatchName.length &&
+             rowMatchName.substr(0, search.length)==search)
+          {
+            row.style.display = 'block';
+            matches++;
+          }
+          else
+          {
+            row.style.display = 'none';
+          }
+        }
+        i++;
+      }
+      document.getElementById("Searching").style.display='none';
+      if (matches == 0) // no results
+      {
+        document.getElementById("NoMatches").style.display='block';
+      }
+      else // at least one result
+      {
+        document.getElementById("NoMatches").style.display='none';
+      }
+      this.lastMatchCount = matches;
+      return true;
+    }
+
+    // return the first item with index index or higher that is visible
+    this.NavNext = function(index)
+    {
+      var focusItem;
+      while (1)
+      {
+        var focusName = 'Item'+index;
+        focusItem = document.getElementById(focusName);
+        if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
+        {
+          break;
+        }
+        else if (!focusItem) // last element
+        {
+          break;
+        }
+        focusItem=null;
+        index++;
+      }
+      return focusItem;
+    }
+
+    this.NavPrev = function(index)
+    {
+      var focusItem;
+      while (1)
+      {
+        var focusName = 'Item'+index;
+        focusItem = document.getElementById(focusName);
+        if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
+        {
+          break;
+        }
+        else if (!focusItem) // last element
+        {
+          break;
+        }
+        focusItem=null;
+        index--;
+      }
+      return focusItem;
+    }
+
+    this.ProcessKeys = function(e)
+    {
+      if (e.type == "keydown")
+      {
+        this.repeatOn = false;
+        this.lastKey = e.keyCode;
+      }
+      else if (e.type == "keypress")
+      {
+        if (!this.repeatOn)
+        {
+          if (this.lastKey) this.repeatOn = true;
+          return false; // ignore first keypress after keydown
+        }
+      }
+      else if (e.type == "keyup")
+      {
+        this.lastKey = 0;
+        this.repeatOn = false;
+      }
+      return this.lastKey!=0;
+    }
+
+    this.Nav = function(evt,itemIndex)
+    {
+      var e  = (evt) ? evt : window.event; // for IE
+      if (e.keyCode==13) return true;
+      if (!this.ProcessKeys(e)) return false;
+
+      if (this.lastKey==38) // Up
+      {
+        var newIndex = itemIndex-1;
+        var focusItem = this.NavPrev(newIndex);
+        if (focusItem)
+        {
+          var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
+          if (child && child.style.display == 'block') // children visible
+          {
+            var n=0;
+            var tmpElem;
+            while (1) // search for last child
+            {
+              tmpElem = document.getElementById('Item'+newIndex+'_c'+n);
+              if (tmpElem)
+              {
+                focusItem = tmpElem;
+              }
+              else // found it!
+              {
+                break;
+              }
+              n++;
+            }
+          }
+        }
+        if (focusItem)
+        {
+          focusItem.focus();
+        }
+        else // return focus to search field
+        {
+           parent.document.getElementById("MSearchField").focus();
+        }
+      }
+      else if (this.lastKey==40) // Down
+      {
+        var newIndex = itemIndex+1;
+        var focusItem;
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem && elem.style.display == 'block') // children visible
+        {
+          focusItem = document.getElementById('Item'+itemIndex+'_c0');
+        }
+        if (!focusItem) focusItem = this.NavNext(newIndex);
+        if (focusItem)  focusItem.focus();
+      }
+      else if (this.lastKey==39) // Right
+      {
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem) elem.style.display = 'block';
+      }
+      else if (this.lastKey==37) // Left
+      {
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem) elem.style.display = 'none';
+      }
+      else if (this.lastKey==27) // Escape
+      {
+        parent.searchBox.CloseResultsWindow();
+        parent.document.getElementById("MSearchField").focus();
+      }
+      else if (this.lastKey==13) // Enter
+      {
+        return true;
+      }
+      return false;
+    }
+
+    this.NavChild = function(evt,itemIndex,childIndex)
+    {
+      var e  = (evt) ? evt : window.event; // for IE
+      if (e.keyCode==13) return true;
+      if (!this.ProcessKeys(e)) return false;
+
+      if (this.lastKey==38) // Up
+      {
+        if (childIndex>0)
+        {
+          var newIndex = childIndex-1;
+          document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();
+        }
+        else // already at first child, jump to parent
+        {
+          document.getElementById('Item'+itemIndex).focus();
+        }
+      }
+      else if (this.lastKey==40) // Down
+      {
+        var newIndex = childIndex+1;
+        var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);
+        if (!elem) // last child, jump to parent next parent
+        {
+          elem = this.NavNext(itemIndex+1);
+        }
+        if (elem)
+        {
+          elem.focus();
+        }
+      }
+      else if (this.lastKey==27) // Escape
+      {
+        parent.searchBox.CloseResultsWindow();
+        parent.document.getElementById("MSearchField").focus();
+      }
+      else if (this.lastKey==13) // Enter
+      {
+        return true;
+      }
+      return false;
+    }
+}
+
+function setKeyActions(elem,action)
+{
+  elem.setAttribute('onkeydown',action);
+  elem.setAttribute('onkeypress',action);
+  elem.setAttribute('onkeyup',action);
+}
+
+function setClassAttr(elem,attr)
+{
+  elem.setAttribute('class',attr);
+  elem.setAttribute('className',attr);
+}
+
+function createResults()
+{
+  var results = document.getElementById("SRResults");
+  for (var e=0; e<searchData.length; e++)
+  {
+    var id = searchData[e][0];
+    var srResult = document.createElement('div');
+    srResult.setAttribute('id','SR_'+id);
+    setClassAttr(srResult,'SRResult');
+    var srEntry = document.createElement('div');
+    setClassAttr(srEntry,'SREntry');
+    var srLink = document.createElement('a');
+    srLink.setAttribute('id','Item'+e);
+    setKeyActions(srLink,'return searchResults.Nav(event,'+e+')');
+    setClassAttr(srLink,'SRSymbol');
+    srLink.innerHTML = searchData[e][1][0];
+    srEntry.appendChild(srLink);
+    if (searchData[e][1].length==2) // single result
+    {
+      srLink.setAttribute('href',searchData[e][1][1][0]);
+      if (searchData[e][1][1][1])
+      {
+       srLink.setAttribute('target','_parent');
+      }
+      var srScope = document.createElement('span');
+      setClassAttr(srScope,'SRScope');
+      srScope.innerHTML = searchData[e][1][1][2];
+      srEntry.appendChild(srScope);
+    }
+    else // multiple results
+    {
+      srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")');
+      var srChildren = document.createElement('div');
+      setClassAttr(srChildren,'SRChildren');
+      for (var c=0; c<searchData[e][1].length-1; c++)
+      {
+        var srChild = document.createElement('a');
+        srChild.setAttribute('id','Item'+e+'_c'+c);
+        setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')');
+        setClassAttr(srChild,'SRScope');
+        srChild.setAttribute('href',searchData[e][1][c+1][0]);
+        if (searchData[e][1][c+1][1])
+        {
+         srChild.setAttribute('target','_parent');
+        }
+        srChild.innerHTML = searchData[e][1][c+1][2];
+        srChildren.appendChild(srChild);
+      }
+      srEntry.appendChild(srChildren);
+    }
+    srResult.appendChild(srEntry);
+    results.appendChild(srResult);
+  }
+}
+
+function init_search()
+{
+  var results = document.getElementById("MSearchSelectWindow");
+  for (var key in indexSectionLabels)
+  {
+    var link = document.createElement('a');
+    link.setAttribute('class','SelectItem');
+    link.setAttribute('onclick','searchBox.OnSelectItem('+key+')');
+    link.href='javascript:void(0)';
+    link.innerHTML='<span class="SelectionMark">&#160;</span>'+indexSectionLabels[key];
+    results.appendChild(link);
+  }
+  searchBox.OnSelectItem(0);
+}
+
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/search/searchdata.js b/lib/Adafruit_BME680-1.0.5/docs/search/searchdata.js
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/structbme680__calib__data.html b/lib/Adafruit_BME680-1.0.5/docs/structbme680__calib__data.html
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+<p>Structure to hold the Calibration data.  
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+<tr class="separator:aa77e96c4bd34ffd5611e014192b936fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+<tr class="separator:ab42378cffea08117ba872e9b7b2e3580"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>Structure to hold the Calibration data. </p>
+</div><h2 class="groupheader">Member Data Documentation</h2>
+<a id="ab9c4601c2e89a776257bbd27f66c9e2c"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ab9c4601c2e89a776257bbd27f66c9e2c">&#9670;&nbsp;</a></span>par_gh1</h2>
+
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+          <td class="memname">int8_t bme680_calib_data::par_gh1</td>
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+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated gas data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#aeebd7cb98502f77c4cce34d6a9a1f6db">&#9670;&nbsp;</a></span>par_gh2</h2>
+
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+</div><div class="memdoc">
+<p>Variable to store calibrated gas data </p>
+
+</div>
+</div>
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+
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+</div><div class="memdoc">
+<p>Variable to store calibrated gas data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#a14a76f440f0f9df731057cd511403a29">&#9670;&nbsp;</a></span>par_h1</h2>
+
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+          <td class="memname">uint16_t bme680_calib_data::par_h1</td>
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+</div><div class="memdoc">
+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
+<a id="a8c241a150118622dcab5a1daae8c5893"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a8c241a150118622dcab5a1daae8c5893">&#9670;&nbsp;</a></span>par_h2</h2>
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+          <td class="memname">uint16_t bme680_calib_data::par_h2</td>
+        </tr>
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+</div><div class="memdoc">
+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
+<a id="a43a808580e91172a5b840210e8a85bf0"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a43a808580e91172a5b840210e8a85bf0">&#9670;&nbsp;</a></span>par_h3</h2>
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+          <td class="memname">int8_t bme680_calib_data::par_h3</td>
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+</div><div class="memdoc">
+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
+<a id="a8d73c2a1a2b56bd9530f467f86f02c7a"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a8d73c2a1a2b56bd9530f467f86f02c7a">&#9670;&nbsp;</a></span>par_h4</h2>
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+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#afa1dcf66631dcb16aa8c091a65e1d580">&#9670;&nbsp;</a></span>par_h5</h2>
+
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+<div class="memproto">
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+</div><div class="memdoc">
+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
+<a id="ad97ebd01754136bd9af03c9e09c43005"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ad97ebd01754136bd9af03c9e09c43005">&#9670;&nbsp;</a></span>par_h6</h2>
+
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+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
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+</div><div class="memdoc">
+<p>Variable to store calibrated humidity data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#aac7cb7d36376532cd4a39aa5ddfe68c0">&#9670;&nbsp;</a></span>par_p1</h2>
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+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
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+          <td class="memname">uint8_t bme680_calib_data::par_p10</td>
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+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="a97ee906971dca54be2deada4ede4664b"></a>
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+<div class="memitem">
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+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#a997a9f626fb184d400c178c84575c01a">&#9670;&nbsp;</a></span>par_p3</h2>
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+<div class="memitem">
+<div class="memproto">
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+          <td class="memname">int8_t bme680_calib_data::par_p3</td>
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+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="aa5757dfc40816cf3c8e29e2aeb4a521a"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa5757dfc40816cf3c8e29e2aeb4a521a">&#9670;&nbsp;</a></span>par_p4</h2>
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+          <td class="memname">int16_t bme680_calib_data::par_p4</td>
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+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="adf1614f15852812b5a4346d75f9d37f4"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#adf1614f15852812b5a4346d75f9d37f4">&#9670;&nbsp;</a></span>par_p5</h2>
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+<div class="memproto">
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+          <td class="memname">int16_t bme680_calib_data::par_p5</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="af70bee9d3b48b1ce25557b2639093ef3"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af70bee9d3b48b1ce25557b2639093ef3">&#9670;&nbsp;</a></span>par_p6</h2>
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+          <td class="memname">int8_t bme680_calib_data::par_p6</td>
+        </tr>
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+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
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+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#a4e75e3ba3a52bda30daffc6c0e242c03">&#9670;&nbsp;</a></span>par_p8</h2>
+
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+          <td class="memname">int16_t bme680_calib_data::par_p8</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="aebe0a4d1259e37c56b57e221add89bd9"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aebe0a4d1259e37c56b57e221add89bd9">&#9670;&nbsp;</a></span>par_p9</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int16_t bme680_calib_data::par_p9</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated pressure data </p>
+
+</div>
+</div>
+<a id="a0f01e767396f9328edb6e5ae9a314b2f"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a0f01e767396f9328edb6e5ae9a314b2f">&#9670;&nbsp;</a></span>par_t1</h2>
+
+<div class="memitem">
+<div class="memproto">
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+          <td class="memname">uint16_t bme680_calib_data::par_t1</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated temperature data </p>
+
+</div>
+</div>
+<a id="a5ba9c77d416227faae07642a7537788f"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a5ba9c77d416227faae07642a7537788f">&#9670;&nbsp;</a></span>par_t2</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int16_t bme680_calib_data::par_t2</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated temperature data </p>
+
+</div>
+</div>
+<a id="acda7c141bb94e5e6b3654387fc8bce47"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#acda7c141bb94e5e6b3654387fc8bce47">&#9670;&nbsp;</a></span>par_t3</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">int8_t bme680_calib_data::par_t3</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store calibrated temperature data </p>
+
+</div>
+</div>
+<a id="ab42378cffea08117ba872e9b7b2e3580"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ab42378cffea08117ba872e9b7b2e3580">&#9670;&nbsp;</a></span>range_sw_err</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int8_t bme680_calib_data::range_sw_err</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store error range </p>
+
+</div>
+</div>
+<a id="ae37d0c08a01ea1ecf19b82fe4b08f1a8"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ae37d0c08a01ea1ecf19b82fe4b08f1a8">&#9670;&nbsp;</a></span>res_heat_range</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">uint8_t bme680_calib_data::res_heat_range</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store heater resistance range </p>
+
+</div>
+</div>
+<a id="aa77e96c4bd34ffd5611e014192b936fc"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa77e96c4bd34ffd5611e014192b936fc">&#9670;&nbsp;</a></span>res_heat_val</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">int8_t bme680_calib_data::res_heat_val</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store heater resistance value </p>
+
+</div>
+</div>
+<a id="aae7b1a022503644a5e31996a97c032ae"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aae7b1a022503644a5e31996a97c032ae">&#9670;&nbsp;</a></span>t_fine</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int32_t bme680_calib_data::t_fine</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store t_fine size </p>
+
+</div>
+</div>
+<hr/>The documentation for this struct was generated from the following file:<ul>
+<li><a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a></li>
+</ul>
+</div><!-- contents -->
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+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
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+<title>Adafruit BME680 Library: Member List</title>
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+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
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+<table cellspacing="0" cellpadding="0">
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+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
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+  <div class="headertitle">
+<div class="title">bme680_dev Member List</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="structbme680__dev.html">bme680_dev</a>, including all inherited members.</p>
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+<div class="title">bme680_dev Struct Reference</div>  </div>
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+<p>BME680 device structure.  
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+<a id="ae9b2a0368dcafa1a6ea9e4e3ae84c77b"></a>
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+<p>Ambient temperature in Degree C </p>
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+<h2 class="memtitle"><span class="permalink"><a href="#ad73f25d84281fa4fbc15c1b40cfc0fb7">&#9670;&nbsp;</a></span>calib</h2>
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+<p>Sensor calibration data </p>
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+</div>
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+<p>Communication function result </p>
+
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+<p>Delay in ms </p>
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+<div class="memitem">
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+<p>Gas Sensor settings </p>
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+<p>Store the info messages </p>
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+<p>New sensor fields </p>
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+        <tr>
+          <td class="memname">uint8_t bme680_dev::power_mode</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sensor power modes </p>
+
+</div>
+</div>
+<a id="aa36aaa5af7488e1a9dce5b8b834b1956"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa36aaa5af7488e1a9dce5b8b834b1956">&#9670;&nbsp;</a></span>read</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname"><a class="el" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a> bme680_dev::read</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Burst read structure </p>
+
+</div>
+</div>
+<a id="a38a17360e0b57778b734393e80819294"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a38a17360e0b57778b734393e80819294">&#9670;&nbsp;</a></span>tph_sett</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">struct <a class="el" href="structbme680__tph__sett.html">bme680_tph_sett</a> bme680_dev::tph_sett</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Sensor settings </p>
+
+</div>
+</div>
+<a id="a5e1e5dad78b9831125c240dde61b13a2"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a5e1e5dad78b9831125c240dde61b13a2">&#9670;&nbsp;</a></span>write</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname"><a class="el" href="bme680__defs_8h.html#aa7d183195e66f1db50f64f3a3d4ede57">bme680_com_fptr_t</a> bme680_dev::write</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Burst write structure </p>
+
+</div>
+</div>
+<hr/>The documentation for this struct was generated from the following file:<ul>
+<li><a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a></li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
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+<meta name="viewport" content="width=device-width, initial-scale=1"/>
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+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
+   </div>
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+ </tr>
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+</table>
+</div>
+<!-- end header part -->
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+  <div class="headertitle">
+<div class="title">bme680_field_data Member List</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="structbme680__field__data.html">bme680_field_data</a>, including all inherited members.</p>
+<table class="directory">
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__field__data.html#ae96ceedb9e36dc0671ac533e88160f5b">gas_index</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__field__data.html#a6ce58ca03356c0df2e4b02bac6c4ce26">gas_resistance</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__field__data.html#ac84103cb41a2fab9614a61b467e5410e">humidity</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__field__data.html#add2cb9f6b7d736908aa9f75904122d3c">meas_index</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__field__data.html#af92dbc060536ac0cd546a1f402fcecb4">pressure</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__field__data.html#af52b43f86807c1f1ef7526bbb9584c5b">status</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__field__data.html#a8954536ec56e28e4bc79ed7bf1bc5176">temperature</a></td><td class="entry"><a class="el" href="structbme680__field__data.html">bme680_field_data</a></td><td class="entry"></td></tr>
+</table></div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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diff --git a/lib/Adafruit_BME680-1.0.5/docs/structbme680__field__data.html b/lib/Adafruit_BME680-1.0.5/docs/structbme680__field__data.html
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+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: bme680_field_data Struct Reference</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
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+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">Adafruit BME680 Library
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+<!-- iframe showing the search results (closed by default) -->
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+        name="MSearchResults" id="MSearchResults">
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+</div>
+
+</div><!-- top -->
+<div class="header">
+  <div class="summary">
+<a href="#pub-attribs">Public Attributes</a> &#124;
+<a href="structbme680__field__data-members.html">List of all members</a>  </div>
+  <div class="headertitle">
+<div class="title">bme680_field_data Struct Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>Sensor field data structure.  
+ <a href="structbme680__field__data.html#details">More...</a></p>
+
+<p><code>#include &lt;<a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a>&gt;</code></p>
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
+Public Attributes</h2></td></tr>
+<tr class="memitem:af52b43f86807c1f1ef7526bbb9584c5b"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#af52b43f86807c1f1ef7526bbb9584c5b">status</a></td></tr>
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+<tr class="memitem:ae96ceedb9e36dc0671ac533e88160f5b"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#ae96ceedb9e36dc0671ac533e88160f5b">gas_index</a></td></tr>
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+<tr class="separator:add2cb9f6b7d736908aa9f75904122d3c"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a8954536ec56e28e4bc79ed7bf1bc5176"><td class="memItemLeft" align="right" valign="top">int16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#a8954536ec56e28e4bc79ed7bf1bc5176">temperature</a></td></tr>
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+<tr class="memitem:af92dbc060536ac0cd546a1f402fcecb4"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#af92dbc060536ac0cd546a1f402fcecb4">pressure</a></td></tr>
+<tr class="separator:af92dbc060536ac0cd546a1f402fcecb4"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ac84103cb41a2fab9614a61b467e5410e"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#ac84103cb41a2fab9614a61b467e5410e">humidity</a></td></tr>
+<tr class="separator:ac84103cb41a2fab9614a61b467e5410e"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a6ce58ca03356c0df2e4b02bac6c4ce26"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__field__data.html#a6ce58ca03356c0df2e4b02bac6c4ce26">gas_resistance</a></td></tr>
+<tr class="separator:a6ce58ca03356c0df2e4b02bac6c4ce26"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>Sensor field data structure. </p>
+</div><h2 class="groupheader">Member Data Documentation</h2>
+<a id="ae96ceedb9e36dc0671ac533e88160f5b"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ae96ceedb9e36dc0671ac533e88160f5b">&#9670;&nbsp;</a></span>gas_index</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint8_t bme680_field_data::gas_index</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>The index of the heater profile used </p>
+
+</div>
+</div>
+<a id="a6ce58ca03356c0df2e4b02bac6c4ce26"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a6ce58ca03356c0df2e4b02bac6c4ce26">&#9670;&nbsp;</a></span>gas_resistance</h2>
+
+<div class="memitem">
+<div class="memproto">
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+          <td class="memname">uint32_t bme680_field_data::gas_resistance</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Gas resistance in Ohms </p>
+
+</div>
+</div>
+<a id="ac84103cb41a2fab9614a61b467e5410e"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ac84103cb41a2fab9614a61b467e5410e">&#9670;&nbsp;</a></span>humidity</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint32_t bme680_field_data::humidity</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Humidity in % relative humidity x1000 </p>
+
+</div>
+</div>
+<a id="add2cb9f6b7d736908aa9f75904122d3c"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#add2cb9f6b7d736908aa9f75904122d3c">&#9670;&nbsp;</a></span>meas_index</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">uint8_t bme680_field_data::meas_index</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Measurement index to track order </p>
+
+</div>
+</div>
+<a id="af92dbc060536ac0cd546a1f402fcecb4"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af92dbc060536ac0cd546a1f402fcecb4">&#9670;&nbsp;</a></span>pressure</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">uint32_t bme680_field_data::pressure</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Pressure in Pascal </p>
+
+</div>
+</div>
+<a id="af52b43f86807c1f1ef7526bbb9584c5b"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af52b43f86807c1f1ef7526bbb9584c5b">&#9670;&nbsp;</a></span>status</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint8_t bme680_field_data::status</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Contains new_data, gasm_valid &amp; heat_stab </p>
+
+</div>
+</div>
+<a id="a8954536ec56e28e4bc79ed7bf1bc5176"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a8954536ec56e28e4bc79ed7bf1bc5176">&#9670;&nbsp;</a></span>temperature</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">int16_t bme680_field_data::temperature</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Temperature in degree celsius x100 </p>
+
+</div>
+</div>
+<hr/>The documentation for this struct was generated from the following file:<ul>
+<li><a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a></li>
+</ul>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
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+  <div class="headertitle">
+<div class="title">bme680_gas_sett Member List</div>  </div>
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+<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a>, including all inherited members.</p>
+<table class="directory">
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__gas__sett.html#a014791860332df8fab25684e443cd0ac">heatr_ctrl</a></td><td class="entry"><a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__gas__sett.html#ac740d0456aafd8e5ac2cd7656260a527">heatr_dur</a></td><td class="entry"><a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__gas__sett.html#a0d7a200cbfe2d07e32a69da90759b278">heatr_temp</a></td><td class="entry"><a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__gas__sett.html#ad0fd15bcd071158faaa40037171cd798">nb_conv</a></td><td class="entry"><a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__gas__sett.html#a01ce898d2f312f59dd4bda78d7abe951">run_gas</a></td><td class="entry"><a class="el" href="structbme680__gas__sett.html">bme680_gas_sett</a></td><td class="entry"></td></tr>
+</table></div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by &#160;<a href="http://www.doxygen.org/index.html">
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
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+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: bme680_gas_sett Struct Reference</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+   <div id="projectname">Adafruit BME680 Library
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+</div><!-- top -->
+<div class="header">
+  <div class="summary">
+<a href="#pub-attribs">Public Attributes</a> &#124;
+<a href="structbme680__gas__sett-members.html">List of all members</a>  </div>
+  <div class="headertitle">
+<div class="title">bme680_gas_sett Struct Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>BME680 gas sensor which comprises of gas settings and status parameters.  
+ <a href="structbme680__gas__sett.html#details">More...</a></p>
+
+<p><code>#include &lt;<a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a>&gt;</code></p>
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
+Public Attributes</h2></td></tr>
+<tr class="memitem:ad0fd15bcd071158faaa40037171cd798"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__gas__sett.html#ad0fd15bcd071158faaa40037171cd798">nb_conv</a></td></tr>
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+<tr class="memitem:a014791860332df8fab25684e443cd0ac"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__gas__sett.html#a014791860332df8fab25684e443cd0ac">heatr_ctrl</a></td></tr>
+<tr class="separator:a014791860332df8fab25684e443cd0ac"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a01ce898d2f312f59dd4bda78d7abe951"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__gas__sett.html#a01ce898d2f312f59dd4bda78d7abe951">run_gas</a></td></tr>
+<tr class="separator:a01ce898d2f312f59dd4bda78d7abe951"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a0d7a200cbfe2d07e32a69da90759b278"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__gas__sett.html#a0d7a200cbfe2d07e32a69da90759b278">heatr_temp</a></td></tr>
+<tr class="separator:a0d7a200cbfe2d07e32a69da90759b278"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ac740d0456aafd8e5ac2cd7656260a527"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__gas__sett.html#ac740d0456aafd8e5ac2cd7656260a527">heatr_dur</a></td></tr>
+<tr class="separator:ac740d0456aafd8e5ac2cd7656260a527"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>BME680 gas sensor which comprises of gas settings and status parameters. </p>
+</div><h2 class="groupheader">Member Data Documentation</h2>
+<a id="a014791860332df8fab25684e443cd0ac"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a014791860332df8fab25684e443cd0ac">&#9670;&nbsp;</a></span>heatr_ctrl</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">uint8_t bme680_gas_sett::heatr_ctrl</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store heater control </p>
+
+</div>
+</div>
+<a id="ac740d0456aafd8e5ac2cd7656260a527"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ac740d0456aafd8e5ac2cd7656260a527">&#9670;&nbsp;</a></span>heatr_dur</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint16_t bme680_gas_sett::heatr_dur</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Pointer to store duration profile </p>
+
+</div>
+</div>
+<a id="a0d7a200cbfe2d07e32a69da90759b278"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a0d7a200cbfe2d07e32a69da90759b278">&#9670;&nbsp;</a></span>heatr_temp</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
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+          <td class="memname">uint16_t bme680_gas_sett::heatr_temp</td>
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+      </table>
+</div><div class="memdoc">
+<p>Pointer to store heater temperature </p>
+
+</div>
+</div>
+<a id="ad0fd15bcd071158faaa40037171cd798"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ad0fd15bcd071158faaa40037171cd798">&#9670;&nbsp;</a></span>nb_conv</h2>
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+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
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+          <td class="memname">uint8_t bme680_gas_sett::nb_conv</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Variable to store nb conversion </p>
+
+</div>
+</div>
+<a id="a01ce898d2f312f59dd4bda78d7abe951"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a01ce898d2f312f59dd4bda78d7abe951">&#9670;&nbsp;</a></span>run_gas</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint8_t bme680_gas_sett::run_gas</td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Run gas enable value </p>
+
+</div>
+</div>
+<hr/>The documentation for this struct was generated from the following file:<ul>
+<li><a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a></li>
+</ul>
+</div><!-- contents -->
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+<div class="title">bme680_tph_sett Member List</div>  </div>
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+<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="structbme680__tph__sett.html">bme680_tph_sett</a>, including all inherited members.</p>
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+  <tr><td class="entry"><a class="el" href="structbme680__tph__sett.html#a12b21e2faba6c4e235f14070e9a9bb3e">os_hum</a></td><td class="entry"><a class="el" href="structbme680__tph__sett.html">bme680_tph_sett</a></td><td class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" href="structbme680__tph__sett.html#ad754f858d10c2164e1d18756c9cf8db0">os_pres</a></td><td class="entry"><a class="el" href="structbme680__tph__sett.html">bme680_tph_sett</a></td><td class="entry"></td></tr>
+  <tr><td class="entry"><a class="el" href="structbme680__tph__sett.html#a80a4dec6bde73d2083d464cb79ae8df8">os_temp</a></td><td class="entry"><a class="el" href="structbme680__tph__sett.html">bme680_tph_sett</a></td><td class="entry"></td></tr>
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+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Adafruit BME680 Library: bme680_tph_sett Struct Reference</title>
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+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
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+<div class="header">
+  <div class="summary">
+<a href="#pub-attribs">Public Attributes</a> &#124;
+<a href="structbme680__tph__sett-members.html">List of all members</a>  </div>
+  <div class="headertitle">
+<div class="title">bme680_tph_sett Struct Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>BME680 sensor settings structure which comprises of ODR, over-sampling and filter settings.  
+ <a href="structbme680__tph__sett.html#details">More...</a></p>
+
+<p><code>#include &lt;<a class="el" href="bme680__defs_8h_source.html">bme680_defs.h</a>&gt;</code></p>
+<table class="memberdecls">
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+<tr class="memitem:a12b21e2faba6c4e235f14070e9a9bb3e"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__tph__sett.html#a12b21e2faba6c4e235f14070e9a9bb3e">os_hum</a></td></tr>
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+<tr class="memitem:a80a4dec6bde73d2083d464cb79ae8df8"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structbme680__tph__sett.html#a80a4dec6bde73d2083d464cb79ae8df8">os_temp</a></td></tr>
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+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>BME680 sensor settings structure which comprises of ODR, over-sampling and filter settings. </p>
+</div><h2 class="groupheader">Member Data Documentation</h2>
+<a id="a34ddef697ec00a902889ff3bf271afbf"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a34ddef697ec00a902889ff3bf271afbf">&#9670;&nbsp;</a></span>filter</h2>
+
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+<p>Filter coefficient </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#a12b21e2faba6c4e235f14070e9a9bb3e">&#9670;&nbsp;</a></span>os_hum</h2>
+
+<div class="memitem">
+<div class="memproto">
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+        <tr>
+          <td class="memname">uint8_t bme680_tph_sett::os_hum</td>
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+      </table>
+</div><div class="memdoc">
+<p>Humidity oversampling </p>
+
+</div>
+</div>
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+<h2 class="memtitle"><span class="permalink"><a href="#ad754f858d10c2164e1d18756c9cf8db0">&#9670;&nbsp;</a></span>os_pres</h2>
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+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Pressure oversampling </p>
+
+</div>
+</div>
+<a id="a80a4dec6bde73d2083d464cb79ae8df8"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a80a4dec6bde73d2083d464cb79ae8df8">&#9670;&nbsp;</a></span>os_temp</h2>
+
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+          <td class="memname">uint8_t bme680_tph_sett::os_temp</td>
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+<p>Temperature oversampling </p>
+
+</div>
+</div>
+<hr/>The documentation for this struct was generated from the following file:<ul>
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diff --git a/lib/Adafruit_BME680-1.0.5/examples/bme680oled/bme680oled.ino b/lib/Adafruit_BME680-1.0.5/examples/bme680oled/bme680oled.ino
new file mode 100644
index 000000000..bec28a01f
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/examples/bme680oled/bme680oled.ino
@@ -0,0 +1,88 @@
+/***************************************************************************
+  This is a library for the BME680 gas, humidity, temperature & pressure sensor
+
+  Designed specifically to work with the Adafruit BME680 Breakout
+  ----> http://www.adafruit.com/products/3660
+
+  These sensors use I2C or SPI to communicate, 2 or 4 pins are required
+  to interface.
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing products
+  from Adafruit!
+
+  Written by Limor Fried & Kevin Townsend for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ***************************************************************************/
+
+#include <Wire.h>
+#include <SPI.h>
+#include <Adafruit_Sensor.h>
+#include "Adafruit_BME680.h"
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+
+#define BME_SCK 13
+#define BME_MISO 12
+#define BME_MOSI 11
+#define BME_CS 10
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+Adafruit_BME680 bme; // I2C
+//Adafruit_BME680 bme(BME_CS); // hardware SPI
+//Adafruit_BME680 bme(BME_CS, BME_MOSI, BME_MISO,  BME_SCK);
+
+Adafruit_SSD1306 display = Adafruit_SSD1306();
+
+void setup() {
+  Serial.begin(9600);
+  Serial.println(F("BME680 test"));
+
+  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
+  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
+  // init done
+  display.display();
+  delay(100);
+  display.clearDisplay();
+  display.display();
+  display.setTextSize(1);
+  display.setTextColor(WHITE);
+
+  if (!bme.begin()) {
+    Serial.println("Could not find a valid BME680 sensor, check wiring!");
+    while (1);
+  }
+
+  // Set up oversampling and filter initialization
+  bme.setTemperatureOversampling(BME680_OS_8X);
+  bme.setHumidityOversampling(BME680_OS_2X);
+  bme.setPressureOversampling(BME680_OS_4X);
+  bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
+  bme.setGasHeater(320, 150); // 320*C for 150 ms
+}
+
+void loop() {
+  display.setCursor(0,0);
+  display.clearDisplay();
+
+  if (! bme.performReading()) {
+    Serial.println("Failed to perform reading :(");
+    return;
+  }
+  Serial.print("Temperature = "); Serial.print(bme.temperature); Serial.println(" *C");
+  display.print("Temperature: "); display.print(bme.temperature); display.println(" *C");
+
+  Serial.print("Pressure = "); Serial.print(bme.pressure / 100.0); Serial.println(" hPa");
+  display.print("Pressure: "); display.print(bme.pressure / 100); display.println(" hPa");
+
+  Serial.print("Humidity = "); Serial.print(bme.humidity); Serial.println(" %");
+  display.print("Humidity: "); display.print(bme.humidity); display.println(" %");
+
+  Serial.print("Gas = "); Serial.print(bme.gas_resistance / 1000.0); Serial.println(" KOhms");
+  display.print("Gas: "); display.print(bme.gas_resistance / 1000.0); display.println(" KOhms");
+
+  Serial.println();
+  display.display();
+  delay(2000);
+}
\ No newline at end of file
diff --git a/lib/Adafruit_BME680-1.0.5/examples/bme680test/bme680test.ino b/lib/Adafruit_BME680-1.0.5/examples/bme680test/bme680test.ino
new file mode 100644
index 000000000..887e11e00
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/examples/bme680test/bme680test.ino
@@ -0,0 +1,79 @@
+/***************************************************************************
+  This is a library for the BME680 gas, humidity, temperature & pressure sensor
+
+  Designed specifically to work with the Adafruit BME680 Breakout
+  ----> http://www.adafruit.com/products/3660
+
+  These sensors use I2C or SPI to communicate, 2 or 4 pins are required
+  to interface.
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing products
+  from Adafruit!
+
+  Written by Limor Fried & Kevin Townsend for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ***************************************************************************/
+
+#include <Wire.h>
+#include <SPI.h>
+#include <Adafruit_Sensor.h>
+#include "Adafruit_BME680.h"
+
+#define BME_SCK 13
+#define BME_MISO 12
+#define BME_MOSI 11
+#define BME_CS 10
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+Adafruit_BME680 bme; // I2C
+//Adafruit_BME680 bme(BME_CS); // hardware SPI
+//Adafruit_BME680 bme(BME_CS, BME_MOSI, BME_MISO,  BME_SCK);
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+  Serial.println(F("BME680 test"));
+
+  if (!bme.begin()) {
+    Serial.println("Could not find a valid BME680 sensor, check wiring!");
+    while (1);
+  }
+
+  // Set up oversampling and filter initialization
+  bme.setTemperatureOversampling(BME680_OS_8X);
+  bme.setHumidityOversampling(BME680_OS_2X);
+  bme.setPressureOversampling(BME680_OS_4X);
+  bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
+  bme.setGasHeater(320, 150); // 320*C for 150 ms
+}
+
+void loop() {
+  if (! bme.performReading()) {
+    Serial.println("Failed to perform reading :(");
+    return;
+  }
+  Serial.print("Temperature = ");
+  Serial.print(bme.temperature);
+  Serial.println(" *C");
+
+  Serial.print("Pressure = ");
+  Serial.print(bme.pressure / 100.0);
+  Serial.println(" hPa");
+
+  Serial.print("Humidity = ");
+  Serial.print(bme.humidity);
+  Serial.println(" %");
+
+  Serial.print("Gas = ");
+  Serial.print(bme.gas_resistance / 1000.0);
+  Serial.println(" KOhms");
+
+  Serial.print("Approx. Altitude = ");
+  Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
+  Serial.println(" m");
+
+  Serial.println();
+  delay(2000);
+}
\ No newline at end of file
diff --git a/lib/Adafruit_BME680-1.0.5/library.properties b/lib/Adafruit_BME680-1.0.5/library.properties
new file mode 100644
index 000000000..da906505a
--- /dev/null
+++ b/lib/Adafruit_BME680-1.0.5/library.properties
@@ -0,0 +1,9 @@
+name=Adafruit BME680 Library
+version=1.0.5
+author=Adafruit
+maintainer=Adafruit <info@adafruit.com>
+sentence=Arduino library for BME680 sensors.
+paragraph=Arduino library for BME680 humidity and pressure sensors.
+category=Sensors
+url=https://github.com/adafruit/Adafruit_BME680
+architectures=*
diff --git a/lib/Adafruit_Sensor-1.0.2.02/Adafruit_Sensor.h b/lib/Adafruit_Sensor-1.0.2.02/Adafruit_Sensor.h
new file mode 100644
index 000000000..7742afc1d
--- /dev/null
+++ b/lib/Adafruit_Sensor-1.0.2.02/Adafruit_Sensor.h
@@ -0,0 +1,154 @@
+/*
+* Copyright (C) 2008 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software< /span>
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/* Update by K. Townsend (Adafruit Industries) for lighter typedefs, and
+ * extended sensor support to include color, voltage and current */
+ 
+#ifndef _ADAFRUIT_SENSOR_H
+#define _ADAFRUIT_SENSOR_H
+
+#if ARDUINO >= 100
+ #include "Arduino.h"
+ #include "Print.h"
+#else
+ #include "WProgram.h"
+#endif
+
+/* Intentionally modeled after sensors.h in the Android API:
+ * https://github.com/android/platform_hardware_libhardware/blob/master/include/hardware/sensors.h */
+
+/* Constants */
+#define SENSORS_GRAVITY_EARTH             (9.80665F)              /**< Earth's gravity in m/s^2 */
+#define SENSORS_GRAVITY_MOON              (1.6F)                  /**< The moon's gravity in m/s^2 */
+#define SENSORS_GRAVITY_SUN               (275.0F)                /**< The sun's gravity in m/s^2 */
+#define SENSORS_GRAVITY_STANDARD          (SENSORS_GRAVITY_EARTH)
+#define SENSORS_MAGFIELD_EARTH_MAX        (60.0F)                 /**< Maximum magnetic field on Earth's surface */
+#define SENSORS_MAGFIELD_EARTH_MIN        (30.0F)                 /**< Minimum magnetic field on Earth's surface */
+#define SENSORS_PRESSURE_SEALEVELHPA      (1013.25F)              /**< Average sea level pressure is 1013.25 hPa */
+#define SENSORS_DPS_TO_RADS               (0.017453293F)          /**< Degrees/s to rad/s multiplier */
+#define SENSORS_GAUSS_TO_MICROTESLA       (100)                   /**< Gauss to micro-Tesla multiplier */
+
+/** Sensor types */
+typedef enum
+{
+  SENSOR_TYPE_ACCELEROMETER         = (1),   /**< Gravity + linear acceleration */
+  SENSOR_TYPE_MAGNETIC_FIELD        = (2),
+  SENSOR_TYPE_ORIENTATION           = (3),
+  SENSOR_TYPE_GYROSCOPE             = (4),
+  SENSOR_TYPE_LIGHT                 = (5),
+  SENSOR_TYPE_PRESSURE              = (6),
+  SENSOR_TYPE_PROXIMITY             = (8),
+  SENSOR_TYPE_GRAVITY               = (9),
+  SENSOR_TYPE_LINEAR_ACCELERATION   = (10),  /**< Acceleration not including gravity */
+  SENSOR_TYPE_ROTATION_VECTOR       = (11),
+  SENSOR_TYPE_RELATIVE_HUMIDITY     = (12),
+  SENSOR_TYPE_AMBIENT_TEMPERATURE   = (13),
+  SENSOR_TYPE_VOLTAGE               = (15),
+  SENSOR_TYPE_CURRENT               = (16),
+  SENSOR_TYPE_COLOR                 = (17)
+} sensors_type_t;
+
+/** struct sensors_vec_s is used to return a vector in a common format. */
+typedef struct {
+    union {
+        float v[3];
+        struct {
+            float x;
+            float y;
+            float z;
+        };
+        /* Orientation sensors */
+        struct {
+            float roll;    /**< Rotation around the longitudinal axis (the plane body, 'X axis'). Roll is positive and increasing when moving downward. -90°<=roll<=90° */
+            float pitch;   /**< Rotation around the lateral axis (the wing span, 'Y axis'). Pitch is positive and increasing when moving upwards. -180°<=pitch<=180°) */
+            float heading; /**< Angle between the longitudinal axis (the plane body) and magnetic north, measured clockwise when viewing from the top of the device. 0-359° */
+        };
+    };
+    int8_t status;
+    uint8_t reserved[3];
+} sensors_vec_t;
+
+/** struct sensors_color_s is used to return color data in a common format. */
+typedef struct {
+    union {
+        float c[3];
+        /* RGB color space */
+        struct {
+            float r;       /**< Red component */
+            float g;       /**< Green component */
+            float b;       /**< Blue component */
+        };
+    };
+    uint32_t rgba;         /**< 24-bit RGBA value */
+} sensors_color_t;
+
+/* Sensor event (36 bytes) */
+/** struct sensor_event_s is used to provide a single sensor event in a common format. */
+typedef struct
+{
+    int32_t version;                          /**< must be sizeof(struct sensors_event_t) */
+    int32_t sensor_id;                        /**< unique sensor identifier */
+    int32_t type;                             /**< sensor type */
+    int32_t reserved0;                        /**< reserved */
+    int32_t timestamp;                        /**< time is in milliseconds */
+    union
+    {
+        float           data[4];
+        sensors_vec_t   acceleration;         /**< acceleration values are in meter per second per second (m/s^2) */
+        sensors_vec_t   magnetic;             /**< magnetic vector values are in micro-Tesla (uT) */
+        sensors_vec_t   orientation;          /**< orientation values are in degrees */
+        sensors_vec_t   gyro;                 /**< gyroscope values are in rad/s */
+        float           temperature;          /**< temperature is in degrees centigrade (Celsius) */
+        float           distance;             /**< distance in centimeters */
+        float           light;                /**< light in SI lux units */
+        float           pressure;             /**< pressure in hectopascal (hPa) */
+        float           relative_humidity;    /**< relative humidity in percent */
+        float           current;              /**< current in milliamps (mA) */
+        float           voltage;              /**< voltage in volts (V) */
+        sensors_color_t color;                /**< color in RGB component values */
+    };
+} sensors_event_t;
+
+/* Sensor details (40 bytes) */
+/** struct sensor_s is used to describe basic information about a specific sensor. */
+typedef struct
+{
+    char     name[12];                        /**< sensor name */
+    int32_t  version;                         /**< version of the hardware + driver */
+    int32_t  sensor_id;                       /**< unique sensor identifier */
+    int32_t  type;                            /**< this sensor's type (ex. SENSOR_TYPE_LIGHT) */
+    float    max_value;                       /**< maximum value of this sensor's value in SI units */
+    float    min_value;                       /**< minimum value of this sensor's value in SI units */
+    float    resolution;                      /**< smallest difference between two values reported by this sensor */
+    int32_t  min_delay;                       /**< min delay in microseconds between events. zero = not a constant rate */
+} sensor_t;
+
+class Adafruit_Sensor {
+ public:
+  // Constructor(s)
+  Adafruit_Sensor() {}
+  virtual ~Adafruit_Sensor() {}
+
+  // These must be defined by the subclass
+  virtual void enableAutoRange(bool enabled) {};
+  virtual bool getEvent(sensors_event_t*) = 0;
+  virtual void getSensor(sensor_t*) = 0;
+  
+ private:
+  bool _autoRange;
+};
+
+#endif
diff --git a/lib/Adafruit_Sensor-1.0.2.02/README.md b/lib/Adafruit_Sensor-1.0.2.02/README.md
new file mode 100644
index 000000000..a4cd6aebe
--- /dev/null
+++ b/lib/Adafruit_Sensor-1.0.2.02/README.md
@@ -0,0 +1,221 @@
+# Adafruit Unified Sensor Driver #
+
+Many small embedded systems exist to collect data from sensors, analyse the data, and either take an appropriate action or send that sensor data to another system for processing.
+
+One of the many challenges of embedded systems design is the fact that parts you used today may be out of production tomorrow, or system requirements may change and you may need to choose a different sensor down the road.
+
+Creating new drivers is a relatively easy task, but integrating them into existing systems is both error prone and time consuming since sensors rarely use the exact same units of measurement.
+
+By reducing all data to a single **sensors\_event\_t** 'type' and settling on specific, **standardised SI units** for each sensor family the same sensor types return values that are comparable with any other similar sensor.  This enables you to switch sensor models with very little impact on the rest of the system, which can help mitigate some of the risks and problems of sensor availability and code reuse.
+
+The unified sensor abstraction layer is also useful for data-logging and data-transmission since you only have one well-known type to log or transmit over the air or wire.
+
+## Unified Sensor Drivers ##
+
+The following drivers are based on the Adafruit Unified Sensor Driver:
+
+**Accelerometers**
+  - [Adafruit\_ADXL345](https://github.com/adafruit/Adafruit_ADXL345)
+  - [Adafruit\_LSM303DLHC](https://github.com/adafruit/Adafruit_LSM303DLHC)
+  - [Adafruit\_MMA8451\_Library](https://github.com/adafruit/Adafruit_MMA8451_Library)
+
+**Gyroscope**
+  - [Adafruit\_L3GD20\_U](https://github.com/adafruit/Adafruit_L3GD20_U)
+
+**Light**
+  - [Adafruit\_TSL2561](https://github.com/adafruit/Adafruit_TSL2561)
+  - [Adafruit\_TSL2591\_Library](https://github.com/adafruit/Adafruit_TSL2591_Library)
+
+**Magnetometers**
+  - [Adafruit\_LSM303DLHC](https://github.com/adafruit/Adafruit_LSM303DLHC)
+  - [Adafruit\_HMC5883\_Unified](https://github.com/adafruit/Adafruit_HMC5883_Unified)
+  
+**Barometric Pressure**
+  - [Adafruit\_BMP085\_Unified](https://github.com/adafruit/Adafruit_BMP085_Unified)
+  - [Adafruit\_BMP183\_Unified\_Library](https://github.com/adafruit/Adafruit_BMP183_Unified_Library)
+
+**Humidity & Temperature**
+  - [DHT-sensor-library](https://github.com/adafruit/DHT-sensor-library)
+
+**Orientation**
+ - [Adafruit_BNO055](https://github.com/adafruit/Adafruit_BNO055)
+
+## How Does it Work? ##
+
+Any driver that supports the Adafruit unified sensor abstraction layer will implement the Adafruit\_Sensor base class.  There are two main typedefs and one enum defined in Adafruit_Sensor.h that are used to 'abstract' away the sensor details and values:
+
+**Sensor Types (sensors\_type\_t)**
+
+These pre-defined sensor types are used to properly handle the two related typedefs below, and allows us determine what types of units the sensor uses, etc.
+
+```
+/** Sensor types */
+typedef enum
+{
+  SENSOR_TYPE_ACCELEROMETER         = (1),
+  SENSOR_TYPE_MAGNETIC_FIELD        = (2),
+  SENSOR_TYPE_ORIENTATION           = (3),
+  SENSOR_TYPE_GYROSCOPE             = (4),
+  SENSOR_TYPE_LIGHT                 = (5),
+  SENSOR_TYPE_PRESSURE              = (6),
+  SENSOR_TYPE_PROXIMITY             = (8),
+  SENSOR_TYPE_GRAVITY               = (9),
+  SENSOR_TYPE_LINEAR_ACCELERATION   = (10),
+  SENSOR_TYPE_ROTATION_VECTOR       = (11),
+  SENSOR_TYPE_RELATIVE_HUMIDITY     = (12),
+  SENSOR_TYPE_AMBIENT_TEMPERATURE   = (13),
+  SENSOR_TYPE_VOLTAGE               = (15),
+  SENSOR_TYPE_CURRENT               = (16),
+  SENSOR_TYPE_COLOR                 = (17)
+} sensors_type_t;
+```
+
+**Sensor Details (sensor\_t)**
+
+This typedef describes the specific capabilities of this sensor, and allows us to know what sensor we are using beneath the abstraction layer.
+
+```
+/* Sensor details (40 bytes) */
+/** struct sensor_s is used to describe basic information about a specific sensor. */
+typedef struct
+{
+    char     name[12];
+    int32_t  version;
+    int32_t  sensor_id;
+    int32_t  type;
+    float    max_value;
+    float    min_value;
+    float    resolution;
+    int32_t  min_delay;
+} sensor_t;
+```
+
+The individual fields are intended to be used as follows:
+
+- **name**: The sensor name or ID, up to a maximum of twelve characters (ex. "MPL115A2")
+- **version**: The version of the sensor HW and the driver to allow us to differentiate versions of the board or driver
+- **sensor\_id**: A unique sensor identifier that is used to differentiate this specific sensor instance from any others that are present on the system or in the sensor network
+- **type**: The sensor type, based on **sensors\_type\_t** in sensors.h
+- **max\_value**: The maximum value that this sensor can return (in the appropriate SI unit)
+- **min\_value**: The minimum value that this sensor can return (in the appropriate SI unit)
+- **resolution**: The smallest difference between two values that this sensor can report (in the appropriate SI unit)
+- **min\_delay**: The minimum delay in microseconds between two sensor events, or '0' if there is no constant sensor rate
+
+**Sensor Data/Events (sensors\_event\_t)**
+
+This typedef is used to return sensor data from any sensor supported by the abstraction layer, using standard SI units and scales.
+
+```
+/* Sensor event (36 bytes) */
+/** struct sensor_event_s is used to provide a single sensor event in a common format. */
+typedef struct
+{
+    int32_t version;
+    int32_t sensor_id;
+    int32_t type;
+    int32_t reserved0;
+    int32_t timestamp;
+    union
+    {
+        float           data[4];
+        sensors_vec_t   acceleration;
+        sensors_vec_t   magnetic;
+        sensors_vec_t   orientation;
+        sensors_vec_t   gyro;
+        float           temperature;
+        float           distance;
+        float           light;
+        float           pressure;
+        float           relative_humidity;
+        float           current;
+        float           voltage;
+        sensors_color_t color;
+    };
+} sensors_event_t;
+```
+It includes the following fields:
+
+- **version**: Contain 'sizeof(sensors\_event\_t)' to identify which version of the API we're using in case this changes in the future
+- **sensor\_id**: A unique sensor identifier that is used to differentiate this specific sensor instance from any others that are present on the system or in the sensor network (must match the sensor\_id value in the corresponding sensor\_t enum above!)
+- **type**: the sensor type, based on **sensors\_type\_t** in sensors.h
+- **timestamp**: time in milliseconds when the sensor value was read
+- **data[4]**: An array of four 32-bit values that allows us to encapsulate any type of sensor data via a simple union (further described below)
+
+**Required Functions**
+
+In addition to the two standard types and the sensor type enum, all drivers based on Adafruit_Sensor must also implement the following two functions:
+
+```
+bool getEvent(sensors_event_t*);
+```
+Calling this function will populate the supplied sensors\_event\_t reference with the latest available sensor data.  You should call this function as often as you want to update your data.
+
+```
+void getSensor(sensor_t*);
+```
+Calling this function will provide some basic information about the sensor (the sensor name, driver version, min and max values, etc.
+
+**Standardised SI values for sensors\_event\_t**
+
+A key part of the abstraction layer is the standardisation of values on SI units of a particular scale, which is accomplished via the data[4] union in sensors\_event\_t above.  This 16 byte union includes fields for each main sensor type, and uses the following SI units and scales:
+
+- **acceleration**: values are in **meter per second per second** (m/s^2)
+- **magnetic**: values are in **micro-Tesla** (uT)
+- **orientation**: values are in **degrees**
+- **gyro**: values are in **rad/s**
+- **temperature**: values in **degrees centigrade** (Celsius) 
+- **distance**: values are in **centimeters**
+- **light**: values are in **SI lux** units
+- **pressure**: values are in **hectopascal** (hPa)
+- **relative\_humidity**: values are in **percent**
+- **current**: values are in **milliamps** (mA)
+- **voltage**: values are in **volts** (V)
+- **color**: values are in 0..1.0 RGB channel luminosity and 32-bit RGBA format
+
+## The Unified Driver Abstraction Layer in Practice ##
+
+Using the unified sensor abstraction layer is relatively easy once a compliant driver has been created.
+
+Every compliant sensor can now be read using a single, well-known 'type' (sensors\_event\_t), and there is a standardised way of interrogating a sensor about its specific capabilities (via sensor\_t).
+
+An example of reading the [TSL2561](https://github.com/adafruit/Adafruit_TSL2561) light sensor can be seen below:
+
+```
+ Adafruit_TSL2561 tsl = Adafruit_TSL2561(TSL2561_ADDR_FLOAT, 12345);
+ ...
+ /* Get a new sensor event */ 
+ sensors_event_t event;
+ tsl.getEvent(&event);
+ 
+ /* Display the results (light is measured in lux) */
+ if (event.light)
+ {
+   Serial.print(event.light); Serial.println(" lux");
+ }
+ else
+ {
+   /* If event.light = 0 lux the sensor is probably saturated
+      and no reliable data could be generated! */
+   Serial.println("Sensor overload");
+ }
+```
+
+Similarly, we can get the basic technical capabilities of this sensor with the following code:
+
+```
+ sensor_t sensor;
+ 
+ sensor_t sensor;
+ tsl.getSensor(&sensor);
+
+ /* Display the sensor details */
+ Serial.println("------------------------------------");
+ Serial.print  ("Sensor:       "); Serial.println(sensor.name);
+ Serial.print  ("Driver Ver:   "); Serial.println(sensor.version);
+ Serial.print  ("Unique ID:    "); Serial.println(sensor.sensor_id);
+ Serial.print  ("Max Value:    "); Serial.print(sensor.max_value); Serial.println(" lux");
+ Serial.print  ("Min Value:    "); Serial.print(sensor.min_value); Serial.println(" lux");
+ Serial.print  ("Resolution:   "); Serial.print(sensor.resolution); Serial.println(" lux");  
+ Serial.println("------------------------------------");
+ Serial.println("");
+```
diff --git a/lib/Adafruit_Sensor-1.0.2.02/library.properties b/lib/Adafruit_Sensor-1.0.2.02/library.properties
new file mode 100644
index 000000000..fa7eefa7b
--- /dev/null
+++ b/lib/Adafruit_Sensor-1.0.2.02/library.properties
@@ -0,0 +1,9 @@
+name=Adafruit Unified Sensor
+version=1.0.2
+author=Adafruit <info@adafruit.com>
+maintainer=Adafruit <info@adafruit.com>
+sentence=Required for all Adafruit Unified Sensor based libraries.
+paragraph=A unified sensor abstraction layer used by many Adafruit sensor libraries.
+category=Sensors
+url=https://github.com/adafruit/Adafruit_Sensor
+architectures=*
diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index d8da377d7..e41a17d3f 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,12 +1,15 @@
 /* 5.10.0a
  * Add (experimental) support for sensor SHT3x
- * Add (experimental) support for sensor MH-Z19(B) to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
+ * Add support for sensor MH-Z19(B) using serial interface to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
  * Add (experimental) support for sensor MH-Z19(B) using SoftwareSerial to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
  * Add support for iTead SI7021 temperature and humidity sensor by consolidating DHT22 into AM2301 and using former DHT22 as SI7021 (#735)
  * Fix BME280 calculation (#1051)
+ * Add support for BME680 using adafruit libraries (#1212)
  * Change ADS1115 default voltage range from +/-2V to +/-6V (#1289)
  * Add multipress support and more user configurable options to Sonoff Dual R2 (#1291)
  * Fix Sonoff Bridge missed learned key if learned data contains 0x55 (End of Transmission) flag (#1095, #1294)
+ * Add support for TSL2561 using adafruit library (#661, #1311)
+ * Add alternative support for SHT3x (#1314)
  *
  * 5.10.0 20171201
  * Upgrade library ArduinoJson to 5.11.2
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 5c4edab7b..c49e1e348 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -172,11 +172,12 @@
 //  #define USE_SHT3X                              // Add I2C code for SHT3x sensor based on Adafruit (+0k7 code)
 //  #define USE_SHT3X_V2                           // Add I2C code for SHT3x sensor based on EspEasy (+0k7 code)
   #define USE_HTU                                // Add I2C code for HTU21/SI7013/SI7020/SI7021 sensor (+1k5 code)
-  #define USE_BMP                                // Add I2C code for BMP/BME280 sensor (+4k code)
+  #define USE_BMP                                // Add I2C code for BMP085/BMP180/BMP280/BME280 sensor (+4k code)
+//    #define USE_BME680                           // Add additional support for BME680 sensor using Adafruit Sensor and BME680 libraries (+6k code)
   #define USE_BH1750                             // Add I2C code for BH1750 sensor (+0k5 code)
 //  #define USE_VEML6070                           // Add I2C code for VEML6070 sensor (+0k5 code)
 //  #define USE_TSL2561                            // Add I2C code for TSL2561 sensor using library Adafruit TSL2561 Arduino (+1k2 code)
-//  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (library not needed) (+0k7 code)
+//  #define USE_ADS1115                            // Add I2C code for ADS1115 16 bit A/D converter based on Adafruit ADS1x15 library (no library needed) (+0k7 code)
 //  #define USE_ADS1115_I2CDEV                     // Add I2C code for ADS1115 16 bit A/D converter using library i2cdevlib-Core and i2cdevlib-ADS1115 (+2k code)
 //  #define USE_INA219                             // Add I2C code for INA219 Low voltage and current sensor (+1k code)
 
diff --git a/sonoff/xsns_09_bmp.ino b/sonoff/xsns_09_bmp.ino
index 21679e50e..8f69cb110 100644
--- a/sonoff/xsns_09_bmp.ino
+++ b/sonoff/xsns_09_bmp.ino
@@ -1,5 +1,5 @@
 /*
-  xsns_09_bmp.ino - BMP pressure, temperature and humidity sensor support for Sonoff-Tasmota
+  xsns_09_bmp.ino - BMP pressure, temperature, humidity and gas sensor support for Sonoff-Tasmota
 
   Copyright (C) 2017  Heiko Krupp and Theo Arends
 
@@ -20,7 +20,7 @@
 #ifdef USE_I2C
 #ifdef USE_BMP
 /*********************************************************************************************\
- * BMP085, BMP180, BMP280, BME280 - Pressure and Temperature and Humidy (BME280 only)
+ * BMP085, BMP180, BMP280, BME280, BME680 - Pressure, Temperature, Humidity (BME280/BME680) and gas (BME680)
  *
  * Source: Heiko Krupp and Adafruit Industries
  *
@@ -33,17 +33,17 @@
 #define BMP180_CHIPID        0x55
 #define BMP280_CHIPID        0x58
 #define BME280_CHIPID        0x60
+#define BME680_CHIPID        0x61
 
 #define BMP_REGISTER_CHIPID  0xD0
 
-const char kBmpTypes[] PROGMEM = "BMP180|BMP280|BME280";
+const char kBmpTypes[] PROGMEM = "BMP180|BMP280|BME280|BME680";
 
-uint8_t bmp_type = 0;
 uint8_t bmp_address;
 uint8_t bmp_addresses[] = { BMP_ADDR1, BMP_ADDR2 };
-char bmp_types[7];
-
-double bmp_sealevel = 0.0;
+uint8_t bmp_type = 0;
+uint8_t bmp_model = 0;
+char bmp_name[7];
 
 /*********************************************************************************************\
  * BMP085 and BME180
@@ -339,61 +339,22 @@ double Bme280ReadHumidity(void)
   return h / 1024.0;
 }
 
+#ifdef USE_BME680
 /*********************************************************************************************\
- * BMP
+ * BME680
 \*********************************************************************************************/
 
-double BmpReadTemperature(void)
-{
-  double t = NAN;
+#include <Adafruit_BME680.h>
+Adafruit_BME680 bme680;
 
-  switch (bmp_type)
-  {
-  case BMP180_CHIPID:
-    t = Bmp180ReadTemperature();
-    break;
-  case BMP280_CHIPID:
-  case BME280_CHIPID:
-    t = Bme280ReadTemperature();
+void Bme680PerformReading()
+{
+  if (BME680_CHIPID == bmp_type) {
+    bme680.performReading();
   }
-  if (!isnan(t))
-  {
-    t = ConvertTemp(t);
-    return t;
-  }
-  return 0;
 }
 
-double BmpReadPressure(void)
-{
-  double pressure = 0.0;
-
-  switch (bmp_type) {
-  case BMP180_CHIPID:
-    pressure = Bmp180ReadPressure();
-    break;
-  case BMP280_CHIPID:
-  case BME280_CHIPID:
-    pressure = Bme280ReadPressure();
-  }
-  if (pressure != 0.0) {
-//    bmp_sealevel = pressure / pow(1.0 - ((float)Settings.altitude / 44330.0), 5.255);  // pow adds 8k to the code
-    bmp_sealevel = (pressure / FastPrecisePow(1.0 - ((float)Settings.altitude / 44330.0), 5.255)) - 21.6;
-  }
-  return pressure;
-}
-
-double BmpReadHumidity(void)
-{
-  switch (bmp_type) {
-  case BMP180_CHIPID:
-  case BMP280_CHIPID:
-    break;
-  case BME280_CHIPID:
-    return Bme280ReadHumidity();
-  }
-  return 0;
-}
+#endif  // USE_BME680
 
 /********************************************************************************************/
 
@@ -412,20 +373,28 @@ void BmpDetect()
   }
   if (bmp_type) {
     boolean success = false;
-    uint8_t index = 0;
     switch (bmp_type) {
       case BMP180_CHIPID:
         success = Bmp180Calibration();
         break;
-      case BME280_CHIPID:
-        index++;  // 2
       case BMP280_CHIPID:
-        index++;  // 1
+        bmp_model = 1;  // 1
         success = Bmx280Calibrate();
+        break;
+      case BME280_CHIPID:
+        bmp_model = 2;  // 2
+        success = Bmx280Calibrate();
+        break;
+#ifdef USE_BME680
+      case BME680_CHIPID:
+        bmp_model = 3;  // 2
+        success = bme680.begin(bmp_address);
+        break;
+#endif  // USE_BME680
     }
     if (success) {
-      GetTextIndexed(bmp_types, sizeof(bmp_types), index, kBmpTypes);
-      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, bmp_types, bmp_address);
+      GetTextIndexed(bmp_name, sizeof(bmp_name), bmp_model, kBmpTypes);
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, bmp_name, bmp_address);
       AddLog(LOG_LEVEL_DEBUG);
     }
     else {
@@ -437,43 +406,85 @@ void BmpDetect()
 void BmpShow(boolean json)
 {
   if (bmp_type) {
-    char temperature[10];
-    char pressure[10];
-    char humidity[10];
-    char sea_pressure[10];
-    char sealevel[40];
+    float t = 0.0;
+    float p = 0.0;
+    float h = 0.0;
+    float g = 0.0;
+    float bmp_sealevel = 0.0;
 
-    double t = BmpReadTemperature();
-    double p = BmpReadPressure();
-    double h = BmpReadHumidity();
+    switch (bmp_type) {
+      case BMP180_CHIPID:
+        t = Bmp180ReadTemperature();
+        p = Bmp180ReadPressure();
+        break;
+      case BME280_CHIPID:
+        h = Bme280ReadHumidity();
+      case BMP280_CHIPID:
+        t = Bme280ReadTemperature();
+        p = Bme280ReadPressure();
+        break;
+#ifdef USE_BME680
+      case BME680_CHIPID:
+        t = bme680.temperature;
+        p = bme680.pressure;
+        h = bme680.humidity;
+        g = bme680.gas_resistance;
+        break;
+#endif  // USE_BME680
+    }
+    if (t != 0.0) {
+      t = ConvertTemp(t);
+    }
+    if (p != 0.0) {
+//    bmp_sealevel = p / pow(1.0 - ((float)Settings.altitude / 44330.0), 5.255);  // pow adds 8k to the code
+      bmp_sealevel = (p / FastPrecisePow(1.0 - ((float)Settings.altitude / 44330.0), 5.255)) - 21.6;
+    }
+
+    char temperature[10];
     dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+    char pressure[10];
     dtostrfd(p, Settings.flag2.pressure_resolution, pressure);
-    dtostrfd(h, Settings.flag2.humidity_resolution, humidity);
+    char sea_pressure[10];
     dtostrfd(bmp_sealevel, Settings.flag2.pressure_resolution, sea_pressure);
+    char humidity[10];
+    dtostrfd(h, Settings.flag2.humidity_resolution, humidity);
+#ifdef USE_BME680
+    char gas_resistance[10];
+    dtostrfd(g / 1000.0, 2, gas_resistance);
+#endif  // USE_BME680
 
     if (json) {
-      snprintf_P(sealevel, sizeof(sealevel), PSTR(",\"" D_PRESSUREATSEALEVEL "\":%s"), sea_pressure);
-      if (BME280_CHIPID == bmp_type) {
-        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_TEMPERATURE "\":%s,\"" D_HUMIDITY "\":%s,\"" D_PRESSURE "\":%s%s}"),
-          mqtt_data, bmp_types, temperature, humidity, pressure, (Settings.altitude != 0) ? sealevel : "");
-      }
-      else {
-        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_TEMPERATURE "\":%s,\"" D_PRESSURE "\":%s%s}"),
-          mqtt_data, bmp_types, temperature, pressure, (Settings.altitude != 0) ? sealevel : "");
-      }
+      char json_humidity[40];
+      snprintf_P(json_humidity, sizeof(json_humidity), PSTR(",\"" D_HUMIDITY "\":%s"), humidity);
+      char json_sealevel[40];
+      snprintf_P(json_sealevel, sizeof(json_sealevel), PSTR(",\"" D_PRESSUREATSEALEVEL "\":%s"), sea_pressure);
+#ifdef USE_BME680
+      char json_gas[40];
+      snprintf_P(json_gas, sizeof(json_gas), PSTR(",\"" D_GAS "\":%s"), gas_resistance);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_TEMPERATURE "\":%s%s,\"" D_PRESSURE "\":%s%s%s}"),
+        mqtt_data, bmp_name, temperature, (bmp_model >= 2) ? json_humidity : "", pressure, (Settings.altitude != 0) ? json_sealevel : "", (bmp_model >= 3) ? json_gas : "");
+#else
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_TEMPERATURE "\":%s%s,\"" D_PRESSURE "\":%s%s}"),
+        mqtt_data, bmp_name, temperature, (bmp_model >= 2) ? json_humidity : "", pressure, (Settings.altitude != 0) ? json_sealevel : "");
+#endif  // USE_BME680
 #ifdef USE_DOMOTICZ
       DomoticzTempHumPressureSensor(temperature, humidity, pressure);
 #endif // USE_DOMOTICZ
 #ifdef USE_WEBSERVER
     } else {
-      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, bmp_types, temperature, TempUnit());
-      if (BME280_CHIPID == bmp_type) {
-        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_HUM, mqtt_data, bmp_types, humidity);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, bmp_name, temperature, TempUnit());
+      if (bmp_model >= 2) {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_HUM, mqtt_data, bmp_name, humidity);
       }
-      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_PRESSURE, mqtt_data, bmp_types, pressure);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_PRESSURE, mqtt_data, bmp_name, pressure);
       if (Settings.altitude != 0) {
-        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_SEAPRESSURE, mqtt_data, bmp_types, sea_pressure);
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_SEAPRESSURE, mqtt_data, bmp_name, sea_pressure);
       }
+#ifdef USE_BME680
+      if (bmp_model >= 3) {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s{s}%s " D_GAS "{m}%s " D_UNIT_KILOOHM "{e}"), mqtt_data, bmp_name, gas_resistance);
+      }
+#endif  // USE_BME680
 #endif // USE_WEBSERVER
     }
   }
@@ -495,6 +506,9 @@ boolean Xsns09(byte function)
 //        break;
       case FUNC_XSNS_PREP:
         BmpDetect();
+#ifdef USE_BME680
+        Bme680PerformReading();
+#endif  // USE_BME680
         break;
       case FUNC_XSNS_JSON_APPEND:
         BmpShow(1);
@@ -502,6 +516,9 @@ boolean Xsns09(byte function)
 #ifdef USE_WEBSERVER
       case FUNC_XSNS_WEB:
         BmpShow(0);
+#ifdef USE_BME680
+        Bme680PerformReading();
+#endif  // USE_BME680
         break;
 #endif // USE_WEBSERVER
     }
diff --git a/sonoff/xsns_10_bh1750.ino b/sonoff/xsns_10_bh1750.ino
index 8055cdfe8..7653e2beb 100644
--- a/sonoff/xsns_10_bh1750.ino
+++ b/sonoff/xsns_10_bh1750.ino
@@ -30,9 +30,9 @@
 
 #define BH1750_CONTINUOUS_HIGH_RES_MODE 0x10 // Start measurement at 1lx resolution. Measurement time is approx 120ms.
 
-uint8_t bh1750_type = 0;
 uint8_t bh1750_address;
 uint8_t bh1750_addresses[] = { BH1750_ADDR1, BH1750_ADDR2 };
+uint8_t bh1750_type = 0;
 
 uint16_t Bh1750ReadLux()
 {
@@ -57,13 +57,11 @@ void Bh1750Detect()
     Wire.write(BH1750_CONTINUOUS_HIGH_RES_MODE);
     if (!Wire.endTransmission()) {
       bh1750_type = 1;
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "BH1750", bh1750_address);
+      AddLog(LOG_LEVEL_DEBUG);
       break;
     }
   }
-  if (bh1750_type) {
-    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "BH1750", bh1750_address);
-    AddLog(LOG_LEVEL_DEBUG);
-  }
 }
 
 #ifdef USE_WEBSERVER
diff --git a/sonoff/xsns_11_veml6070.ino b/sonoff/xsns_11_veml6070.ino
index 31a72e960..b6d680d45 100644
--- a/sonoff/xsns_11_veml6070.ino
+++ b/sonoff/xsns_11_veml6070.ino
@@ -32,7 +32,6 @@
 
 uint8_t veml6070_address;
 uint8_t veml6070_type = 0;
-char veml6070_types[9];
 
 uint16_t Veml6070ReadUv()
 {
@@ -51,32 +50,23 @@ uint16_t Veml6070ReadUv()
 
 /********************************************************************************************/
 
-boolean Veml6070Detect()
+void Veml6070Detect()
 {
   if (veml6070_type) {
-    return true;
+    return;
   }
 
-  uint8_t status;
   uint8_t itime = VEML6070_INTEGRATION_TIME;
-  boolean success = false;
 
   veml6070_address = VEML6070_ADDR_L;
   Wire.beginTransmission(veml6070_address);
   Wire.write((itime << 2) | 0x02);
-  status = Wire.endTransmission();
+  uint8_t status = Wire.endTransmission();
   if (!status) {
-    success = true;
     veml6070_type = 1;
-    strcpy_P(veml6070_types, PSTR("VEML6070"));
-  }
-  if (success) {
-    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, veml6070_types, veml6070_address);
+    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "VEML6070", veml6070_address);
     AddLog(LOG_LEVEL_DEBUG);
-  } else {
-    veml6070_type = 0;
   }
-  return success;
 }
 
 #ifdef USE_WEBSERVER
@@ -90,7 +80,7 @@ void Veml6070Show(boolean json)
     uint16_t uvlevel = Veml6070ReadUv();
 
     if (json) {
-      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_UV_LEVEL "\":%d}"), mqtt_data, veml6070_types, uvlevel);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"VEML6070\":{\"" D_UV_LEVEL "\":%d}"), mqtt_data, uvlevel);
 #ifdef USE_DOMOTICZ
       DomoticzSensor(DZ_ILLUMINANCE, uvlevel);
 #endif  // USE_DOMOTICZ
diff --git a/sonoff/xsns_12_ads1115.ino b/sonoff/xsns_12_ads1115.ino
index da2bdd22b..132d2725d 100644
--- a/sonoff/xsns_12_ads1115.ino
+++ b/sonoff/xsns_12_ads1115.ino
@@ -168,13 +168,11 @@ void Ads1115Detect()
     if (I2cValidRead16(&buffer, ads1115_address, ADS1115_REG_POINTER_CONVERT)) {
       Ads1115StartComparator(i, ADS1115_REG_CONFIG_MODE_CONTIN);
       ads1115_type = 1;
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "ADS1115", ads1115_address);
+      AddLog(LOG_LEVEL_DEBUG);
       break;
     }
   }
-  if (ads1115_type) {
-    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "ADS1115", ads1115_address);
-    AddLog(LOG_LEVEL_DEBUG);
-  }
 }
 
 void Ads1115Show(boolean json)
diff --git a/sonoff/xsns_12_ads1115_i2cdev.ino b/sonoff/xsns_12_ads1115_i2cdev.ino
index 0a85d305a..1da6c62e6 100644
--- a/sonoff/xsns_12_ads1115_i2cdev.ino
+++ b/sonoff/xsns_12_ads1115_i2cdev.ino
@@ -88,13 +88,11 @@ void Ads1115Detect()
       adc0.setRate(ADS1115_RATE_860);
       adc0.setMode(ADS1115_MODE_CONTINUOUS);
       ads1115_type = 1;
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "ADS1115", ads1115_address);
+      AddLog(LOG_LEVEL_DEBUG);
       break;
     }
   }
-  if (ads1115_type) {
-    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "ADS1115", ads1115_address);
-    AddLog(LOG_LEVEL_DEBUG);
-  }
 }
 
 void Ads1115Show(boolean json)
diff --git a/sonoff/xsns_13_ina219.ino b/sonoff/xsns_13_ina219.ino
index 1a0d4e597..169e51426 100644
--- a/sonoff/xsns_13_ina219.ino
+++ b/sonoff/xsns_13_ina219.ino
@@ -164,13 +164,11 @@ void Ina219Detect()
     ina219_address = ina219_addresses[i];
     if (Ina219SetCalibration(Settings.ina219_mode)) {
       ina219_type = 1;
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "INA219", ina219_address);
+      AddLog(LOG_LEVEL_DEBUG);
       break;
     }
   }
-  if (ina219_type) {
-    snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "INA219", ina219_address);
-    AddLog(LOG_LEVEL_DEBUG);
-  }
 }
 
 #ifdef USE_WEBSERVER

From 3890170ea49250e0aaa248b0ffccabd8dd748a80 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Wed, 6 Dec 2017 17:16:16 +0100
Subject: [PATCH 06/10] Add BME680 support

---
 sonoff/language/de-DE.h | 2 ++
 sonoff/language/en-GB.h | 2 ++
 sonoff/language/nl-NL.h | 2 ++
 sonoff/language/pl-PL.h | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index 09d6da112..91f750e18 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -102,6 +102,7 @@
 #define D_FREE_MEMORY "Freier Speicher"
 #define D_FREEMEMORY "frei"
 #define D_FROM "von"
+#define D_GAS "Gas"
 #define D_GATEWAY "Gateway"
 #define D_GROUP "Gruppe"
 #define D_HEAPSIZE "Heap-Größe"
@@ -483,6 +484,7 @@
 // Units
 #define D_UNIT_AMPERE "A"
 #define D_UNIT_HOUR "h"
+#define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"
 #define D_UNIT_MICROSECOND "µs"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index c1a4378aa..d08e358df 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -102,6 +102,7 @@
 #define D_FREE_MEMORY "Free Memory"
 #define D_FREEMEMORY "Free"
 #define D_FROM "from"
+#define D_GAS "Gas"
 #define D_GATEWAY "Gateway"
 #define D_GROUP "Group"
 #define D_HEAPSIZE "Heap"
@@ -483,6 +484,7 @@
 // Units
 #define D_UNIT_AMPERE "A"
 #define D_UNIT_HOUR "Hr"
+#define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"
 #define D_UNIT_MICROSECOND "us"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index 6a6ea368e..870ed1a32 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -102,6 +102,7 @@
 #define D_FREE_MEMORY "Vrij geheugen"
 #define D_FREEMEMORY "Vrij"
 #define D_FROM "van"
+#define D_GAS "Gas"
 #define D_GATEWAY "Gateway"
 #define D_GROUP "Groep"
 #define D_HEAPSIZE "Heap"
@@ -483,6 +484,7 @@
 // Units
 #define D_UNIT_AMPERE "A"
 #define D_UNIT_HOUR "h"
+#define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"
 #define D_UNIT_MICROSECOND "us"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index e53cc4962..4aa60da2f 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -102,6 +102,7 @@
 #define D_FREE_MEMORY "Wolna pamiec"
 #define D_FREEMEMORY "Wolne"
 #define D_FROM "z"
+#define D_GAS "Gas"
 #define D_GATEWAY "Brama"
 #define D_GROUP "Grupa"
 #define D_HEAPSIZE "Stos"
@@ -483,6 +484,7 @@
 // Units
 #define D_UNIT_AMPERE "A"
 #define D_UNIT_HOUR "Godz"
+#define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"
 #define D_UNIT_MICROSECOND "us"

From 4cf64af51e2580752eaa7fccb0ba59ccccf10ee7 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Wed, 6 Dec 2017 17:45:47 +0100
Subject: [PATCH 07/10] Add iram option to MHZ19(B) driver (#1248)

Add iram option to MHZ19(B) driver (#1248)
---
 lib/EspSoftwareSerial-3.3.1/README.md         |  11 +
 .../SoftwareSerial.cpp                        | 228 ++++++++++++++++++
 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h  |  88 +++++++
 .../examples/swsertest/swsertest.ino          |  27 +++
 lib/EspSoftwareSerial-3.3.1/keywords.txt      |  31 +++
 lib/EspSoftwareSerial-3.3.1/library.json      |  15 ++
 .../library.properties                        |   9 +
 sonoff/user_config.h                          |   1 +
 sonoff/xsns_15_mhz_softserial.ino             |  15 +-
 9 files changed, 422 insertions(+), 3 deletions(-)
 create mode 100644 lib/EspSoftwareSerial-3.3.1/README.md
 create mode 100644 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
 create mode 100644 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
 create mode 100644 lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
 create mode 100644 lib/EspSoftwareSerial-3.3.1/keywords.txt
 create mode 100644 lib/EspSoftwareSerial-3.3.1/library.json
 create mode 100644 lib/EspSoftwareSerial-3.3.1/library.properties

diff --git a/lib/EspSoftwareSerial-3.3.1/README.md b/lib/EspSoftwareSerial-3.3.1/README.md
new file mode 100644
index 000000000..43c4ef4a6
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/README.md
@@ -0,0 +1,11 @@
+# EspSoftwareSerial
+
+Implementation of the Arduino software serial library for the ESP8266
+
+Same functionality as the corresponding AVR library but several instances can be active at the same time.
+Speed up to 115200 baud is supported. The constructor also has an optional input buffer size.
+
+Please note that due to the fact that the ESP always have other activities ongoing, there will be some inexactness in interrupt
+timings. This may lead to bit errors when having heavy data traffic in high baud rates.
+
+
diff --git a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
new file mode 100644
index 000000000..c498b7505
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
@@ -0,0 +1,228 @@
+/*
+
+SoftwareSerial.cpp - Implementation of the Arduino software serial for ESP8266.
+Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#include <Arduino.h>
+
+// The Arduino standard GPIO routines are not enough,
+// must use some from the Espressif SDK as well
+extern "C" {
+#include "gpio.h"
+}
+
+#include <SoftwareSerial.h>
+
+#define MAX_PIN 15
+
+// As the Arduino attachInterrupt has no parameter, lists of objects
+// and callbacks corresponding to each possible GPIO pins have to be defined
+SoftwareSerial *ObjList[MAX_PIN+1];
+
+void ICACHE_RAM_ATTR sws_isr_0() { ObjList[0]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_1() { ObjList[1]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_2() { ObjList[2]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_3() { ObjList[3]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_4() { ObjList[4]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_5() { ObjList[5]->rxRead(); };
+// Pin 6 to 11 can not be used
+void ICACHE_RAM_ATTR sws_isr_12() { ObjList[12]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_13() { ObjList[13]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_14() { ObjList[14]->rxRead(); };
+void ICACHE_RAM_ATTR sws_isr_15() { ObjList[15]->rxRead(); };
+
+static void (*ISRList[MAX_PIN+1])() = {
+      sws_isr_0,
+      sws_isr_1,
+      sws_isr_2,
+      sws_isr_3,
+      sws_isr_4,
+      sws_isr_5,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      sws_isr_12,
+      sws_isr_13,
+      sws_isr_14,
+      sws_isr_15
+};
+
+SoftwareSerial::SoftwareSerial(int receivePin, int transmitPin, bool inverse_logic, unsigned int buffSize) {
+   m_rxValid = m_txValid = m_txEnableValid = false;
+   m_buffer = NULL;
+   m_invert = inverse_logic;
+   m_overflow = false;
+   m_rxEnabled = false;
+   if (isValidGPIOpin(receivePin)) {
+      m_rxPin = receivePin;
+      m_buffSize = buffSize;
+      m_buffer = (uint8_t*)malloc(m_buffSize);
+      if (m_buffer != NULL) {
+         m_rxValid = true;
+         m_inPos = m_outPos = 0;
+         pinMode(m_rxPin, INPUT);
+         ObjList[m_rxPin] = this;
+         enableRx(true);
+      }
+   }
+   if (isValidGPIOpin(transmitPin) || transmitPin == 16) {
+      m_txValid = true;
+      m_txPin = transmitPin;
+      pinMode(m_txPin, OUTPUT);
+      digitalWrite(m_txPin, !m_invert);
+   }
+   // Default speed
+   begin(9600);
+}
+
+SoftwareSerial::~SoftwareSerial() {
+   enableRx(false);
+   if (m_rxValid)
+      ObjList[m_rxPin] = NULL;
+   if (m_buffer)
+      free(m_buffer);
+}
+
+bool SoftwareSerial::isValidGPIOpin(int pin) {
+   return (pin >= 0 && pin <= 5) || (pin >= 12 && pin <= MAX_PIN);
+}
+
+void SoftwareSerial::begin(long speed) {
+   // Use getCycleCount() loop to get as exact timing as possible
+   m_bitTime = ESP.getCpuFreqMHz()*1000000/speed;
+   m_highSpeed = speed > 9600;
+
+   if (!m_rxEnabled)
+     enableRx(true);
+}
+
+long SoftwareSerial::baudRate() {
+   return ESP.getCpuFreqMHz()*1000000/m_bitTime;
+}
+
+void SoftwareSerial::setTransmitEnablePin(int transmitEnablePin) {
+  if (isValidGPIOpin(transmitEnablePin)) {
+     m_txEnableValid = true;
+     m_txEnablePin = transmitEnablePin;
+     pinMode(m_txEnablePin, OUTPUT);
+     digitalWrite(m_txEnablePin, LOW);
+  } else {
+     m_txEnableValid = false;
+  }
+}
+
+void SoftwareSerial::enableRx(bool on) {
+   if (m_rxValid) {
+      if (on)
+         attachInterrupt(m_rxPin, ISRList[m_rxPin], m_invert ? RISING : FALLING);
+      else
+         detachInterrupt(m_rxPin);
+      m_rxEnabled = on;
+   }
+}
+
+int SoftwareSerial::read() {
+   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
+   uint8_t ch = m_buffer[m_outPos];
+   m_outPos = (m_outPos+1) % m_buffSize;
+   return ch;
+}
+
+int SoftwareSerial::available() {
+   if (!m_rxValid) return 0;
+   int avail = m_inPos - m_outPos;
+   if (avail < 0) avail += m_buffSize;
+   return avail;
+}
+
+#define WAIT { while (ESP.getCycleCount()-start < wait) if (!m_highSpeed) optimistic_yield(1); wait += m_bitTime; }
+
+size_t SoftwareSerial::write(uint8_t b) {
+   if (!m_txValid) return 0;
+
+   if (m_invert) b = ~b;
+   if (m_highSpeed)
+     // Disable interrupts in order to get a clean transmit
+     cli();
+   if (m_txEnableValid) digitalWrite(m_txEnablePin, HIGH);
+   unsigned long wait = m_bitTime;
+   digitalWrite(m_txPin, HIGH);
+   unsigned long start = ESP.getCycleCount();
+    // Start bit;
+   digitalWrite(m_txPin, LOW);
+   WAIT;
+   for (int i = 0; i < 8; i++) {
+     digitalWrite(m_txPin, (b & 1) ? HIGH : LOW);
+     WAIT;
+     b >>= 1;
+   }
+   // Stop bit
+   digitalWrite(m_txPin, HIGH);
+   WAIT;
+   if (m_txEnableValid) digitalWrite(m_txEnablePin, LOW);
+   if (m_highSpeed)
+    sei();
+   return 1;
+}
+
+void SoftwareSerial::flush() {
+   m_inPos = m_outPos = 0;
+}
+
+bool SoftwareSerial::overflow() {
+   bool res = m_overflow;
+   m_overflow = false;
+   return res;
+}
+
+int SoftwareSerial::peek() {
+   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
+   return m_buffer[m_outPos];
+}
+
+void ICACHE_RAM_ATTR SoftwareSerial::rxRead() {
+   // Advance the starting point for the samples but compensate for the
+   // initial delay which occurs before the interrupt is delivered
+   unsigned long wait = m_bitTime + m_bitTime/3 - 500;
+   unsigned long start = ESP.getCycleCount();
+   uint8_t rec = 0;
+   for (int i = 0; i < 8; i++) {
+     WAIT;
+     rec >>= 1;
+     if (digitalRead(m_rxPin))
+       rec |= 0x80;
+   }
+   if (m_invert) rec = ~rec;
+   // Stop bit
+   WAIT;
+   // Store the received value in the buffer unless we have an overflow
+   int next = (m_inPos+1) % m_buffSize;
+   if (next != m_outPos) {
+      m_buffer[m_inPos] = rec;
+      m_inPos = next;
+   } else {
+      m_overflow = true;
+   }
+   // Must clear this bit in the interrupt register,
+   // it gets set even when interrupts are disabled
+   GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << m_rxPin);
+}
diff --git a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
new file mode 100644
index 000000000..75905ff39
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
@@ -0,0 +1,88 @@
+/*
+SoftwareSerial.h
+
+SoftwareSerial.cpp - Implementation of the Arduino software serial for ESP8266.
+Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef SoftwareSerial_h
+#define SoftwareSerial_h
+
+#include <inttypes.h>
+#include <Stream.h>
+
+
+// This class is compatible with the corresponding AVR one,
+// the constructor however has an optional rx buffer size.
+// Speed up to 115200 can be used.
+
+
+class SoftwareSerial : public Stream
+{
+public:
+   SoftwareSerial(int receivePin, int transmitPin, bool inverse_logic = false, unsigned int buffSize = 64);
+   ~SoftwareSerial();
+
+   void begin(long speed);
+   long baudRate();
+   void setTransmitEnablePin(int transmitEnablePin);
+
+   bool overflow();
+   int peek();
+
+   virtual size_t write(uint8_t byte);
+   virtual int read();
+   virtual int available();
+   virtual void flush();
+   operator bool() {return m_rxValid || m_txValid;}
+
+   // Disable or enable interrupts on the rx pin
+   void enableRx(bool on);
+
+   void rxRead();
+
+   // AVR compatibility methods
+   bool listen() { enableRx(true); return true; }
+   void end() { stopListening(); }
+   bool isListening() { return m_rxEnabled; }
+   bool stopListening() { enableRx(false); return true; }
+
+   using Print::write;
+
+private:
+   bool isValidGPIOpin(int pin);
+
+   // Member variables
+   int m_rxPin, m_txPin, m_txEnablePin;
+   bool m_rxValid, m_rxEnabled;
+   bool m_txValid, m_txEnableValid;
+   bool m_invert;
+   bool m_overflow;
+   unsigned long m_bitTime;
+   bool m_highSpeed;
+   unsigned int m_inPos, m_outPos;
+   int m_buffSize;
+   uint8_t *m_buffer;
+
+};
+
+// If only one tx or rx wanted then use this as parameter for the unused pin
+#define SW_SERIAL_UNUSED_PIN -1
+
+
+#endif
diff --git a/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino b/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
new file mode 100644
index 000000000..b3ae69711
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
@@ -0,0 +1,27 @@
+
+#include <SoftwareSerial.h>
+
+SoftwareSerial swSer(14, 12, false, 256);
+
+void setup() {
+  Serial.begin(115200);
+  swSer.begin(115200);
+
+  Serial.println("\nSoftware serial test started");
+
+  for (char ch = ' '; ch <= 'z'; ch++) {
+    swSer.write(ch);
+  }
+  swSer.println("");
+
+}
+
+void loop() {
+  while (swSer.available() > 0) {
+    Serial.write(swSer.read());
+  }
+  while (Serial.available() > 0) {
+    swSer.write(Serial.read());
+  }
+
+}
diff --git a/lib/EspSoftwareSerial-3.3.1/keywords.txt b/lib/EspSoftwareSerial-3.3.1/keywords.txt
new file mode 100644
index 000000000..5faea2a96
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/keywords.txt
@@ -0,0 +1,31 @@
+#######################################
+# Syntax Coloring Map for SoftwareSerial
+# (esp8266)
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+SoftwareSerial	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+begin	KEYWORD2
+read	KEYWORD2
+write	KEYWORD2
+available	KEYWORD2
+flush	KEYWORD2
+overflow	KEYWORD2
+peek	KEYWORD2
+listen	KEYWORD2
+end	KEYWORD2
+isListening	KEYWORD2
+stopListening	KEYWORD2
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
diff --git a/lib/EspSoftwareSerial-3.3.1/library.json b/lib/EspSoftwareSerial-3.3.1/library.json
new file mode 100644
index 000000000..46e18b6be
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/library.json
@@ -0,0 +1,15 @@
+{
+    "name": "EspSoftwareSerial",
+    "version": "3.3.1",
+    "keywords": [
+      "serial", "io", "softwareserial"
+    ],
+    "description": "Implementation of the Arduino software serial for ESP8266.",
+    "repository":
+    {
+        "type": "git",
+        "url": "https://github.com/plerup/espsoftwareserial"
+    },
+    "frameworks": "arduino",
+    "platforms": "espressif8266"
+}
diff --git a/lib/EspSoftwareSerial-3.3.1/library.properties b/lib/EspSoftwareSerial-3.3.1/library.properties
new file mode 100644
index 000000000..9e53e159c
--- /dev/null
+++ b/lib/EspSoftwareSerial-3.3.1/library.properties
@@ -0,0 +1,9 @@
+name=SoftwareSerial
+version=1.0
+author=Peter Lerup
+maintainer=Peter Lerup <peter@lerup.com>
+sentence=Implementation of the Arduino software serial for ESP8266.
+paragraph=
+category=Signal Input/Output
+url=
+architectures=esp8266
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index c49e1e348..6d04f7a55 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -191,6 +191,7 @@
 
 //#define USE_MHZ19                                // Add support for MH-Z19 CO2 sensor using hardware serial interface at 9600 bps (+1k1 code)
 //#define USE_MHZ19_SOFT_SERIAL                    // Add support for MH-Z19 CO2 sensor using iram free software serial interface at 9600 bps (+2k3 code)
+//  #define USE_SERIAL_NO_ICACHE                   // Use no iram with SoftwareSerial (may loose characters)
 
 #define USE_ARILUX_RF                            // Add support for Arilux RF remote controller (+0k8 code)
 
diff --git a/sonoff/xsns_15_mhz_softserial.ino b/sonoff/xsns_15_mhz_softserial.ino
index fe928a16f..a91dd8c3b 100644
--- a/sonoff/xsns_15_mhz_softserial.ino
+++ b/sonoff/xsns_15_mhz_softserial.ino
@@ -28,8 +28,13 @@
  * Select filter usage on low stability readings
 \*********************************************************************************************/
 
-#include <SoftwareSerialNoIram.h>
-SoftwareSerialNoIram *SoftSerial;
+#ifdef USE_SERIAL_NO_ICACHE
+  #include <SoftwareSerialNoIram.h>
+  SoftwareSerialNoIram *SoftSerial;
+#else
+  #include <SoftwareSerial.h>
+  SoftwareSerial *SoftSerial;
+#endif  // USE_SERIAL_NO_ICACHE
 
 enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
 
@@ -206,9 +211,13 @@ bool Mhz19Read(uint16_t &p, float &t)
 
 void Mhz19Init()
 {
+#ifdef USE_SERIAL_NO_ICACHE
   SoftSerial = new SoftwareSerialNoIram(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
-  SoftSerial->begin(9600);
+#else
+  SoftSerial = new SoftwareSerial(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
+#endif  // USE_SERIAL_NO_ICACHE
 
+  SoftSerial->begin(9600);
   mhz19_type = 1;
 }
 

From 0747e0fc68542a062ba58233adf2291d0a66efc1 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Fri, 8 Dec 2017 14:14:10 +0100
Subject: [PATCH 08/10] Updated MH-Z19 drivers

5.10.0a
 * Add (experimental) support for sensor SHT3x
 * Add support
for sensor MH-Z19(B) using serial interface to be enabled with define
USE_MHZ19_HARD_SERIAL in user_config.h (#561, #1248)
 * Add
(experimental) support for sensor MH-Z19(B) using SoftwareSerial to be
enabled with define USE_MHZ19_SOFT_SERIAL_OBSOLETE in user_config.h
(#561, #1248)
 * Add (experimental) support for sensor MH-Z19(B) using
stripped SoftwareSerial to be enabled with define USE_MHZ19_SOFT_SERIAL
in user_config.h (#561, #1248)
 * Add support for iTead SI7021
temperature and humidity sensor by consolidating DHT22 into AM2301 and
using former DHT22 as SI7021 (#735)
 * Fix BME280 calculation (#1051)
 *
Add support for BME680 using adafruit libraries (#1212)
 * Change
ADS1115 default voltage range from +/-2V to +/-6V (#1289)
 * Add
multipress support and more user configurable options to Sonoff Dual R2
(#1291)
 * Fix Sonoff Bridge missed learned key if learned data contains
0x55 (End of Transmission) flag (#1095, #1294)
 * Add support for
TSL2561 using adafruit library (#661, #1311)
 * Add alternative support
for SHT3x (#1314)
---
 lib/EspSoftwareSerial-3.3.1/README.md         |  11 -
 .../SoftwareSerial.cpp                        | 228 --------------
 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h  |  88 ------
 .../examples/swsertest/swsertest.ino          |  27 --
 lib/EspSoftwareSerial-3.3.1/keywords.txt      |  31 --
 lib/EspSoftwareSerial-3.3.1/library.json      |  15 -
 .../library.properties                        |   9 -
 lib/EspSoftwareSerialNoIram-3.3.1/README.md   |  11 -
 .../SoftwareSerialNoIram.cpp                  | 248 ----------------
 .../SoftwareSerialNoIram.h                    |  88 ------
 .../examples/swsertest/swsertest.ino          |  27 --
 .../keywords.txt                              |  31 --
 .../library.json                              |  15 -
 .../library.properties                        |   9 -
 sonoff/_releasenotes.ino                      |   5 +-
 sonoff/user_config.h                          |  14 +-
 sonoff/xsns_15_mhz_hardserial.ino             | 277 ++++++++++++++++++
 sonoff/xsns_15_mhz_softserial.ino             | 182 +++++++++---
 sonoff/xsns_15_mhz_softserial_obsolete.ino    | 277 ++++++++++++++++++
 19 files changed, 701 insertions(+), 892 deletions(-)
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/README.md
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/keywords.txt
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/library.json
 delete mode 100644 lib/EspSoftwareSerial-3.3.1/library.properties
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/README.md
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/library.json
 delete mode 100644 lib/EspSoftwareSerialNoIram-3.3.1/library.properties
 create mode 100644 sonoff/xsns_15_mhz_hardserial.ino
 create mode 100644 sonoff/xsns_15_mhz_softserial_obsolete.ino

diff --git a/lib/EspSoftwareSerial-3.3.1/README.md b/lib/EspSoftwareSerial-3.3.1/README.md
deleted file mode 100644
index 43c4ef4a6..000000000
--- a/lib/EspSoftwareSerial-3.3.1/README.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# EspSoftwareSerial
-
-Implementation of the Arduino software serial library for the ESP8266
-
-Same functionality as the corresponding AVR library but several instances can be active at the same time.
-Speed up to 115200 baud is supported. The constructor also has an optional input buffer size.
-
-Please note that due to the fact that the ESP always have other activities ongoing, there will be some inexactness in interrupt
-timings. This may lead to bit errors when having heavy data traffic in high baud rates.
-
-
diff --git a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
deleted file mode 100644
index c498b7505..000000000
--- a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
-
-SoftwareSerial.cpp - Implementation of the Arduino software serial for ESP8266.
-Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-*/
-
-#include <Arduino.h>
-
-// The Arduino standard GPIO routines are not enough,
-// must use some from the Espressif SDK as well
-extern "C" {
-#include "gpio.h"
-}
-
-#include <SoftwareSerial.h>
-
-#define MAX_PIN 15
-
-// As the Arduino attachInterrupt has no parameter, lists of objects
-// and callbacks corresponding to each possible GPIO pins have to be defined
-SoftwareSerial *ObjList[MAX_PIN+1];
-
-void ICACHE_RAM_ATTR sws_isr_0() { ObjList[0]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_1() { ObjList[1]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_2() { ObjList[2]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_3() { ObjList[3]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_4() { ObjList[4]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_5() { ObjList[5]->rxRead(); };
-// Pin 6 to 11 can not be used
-void ICACHE_RAM_ATTR sws_isr_12() { ObjList[12]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_13() { ObjList[13]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_14() { ObjList[14]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_15() { ObjList[15]->rxRead(); };
-
-static void (*ISRList[MAX_PIN+1])() = {
-      sws_isr_0,
-      sws_isr_1,
-      sws_isr_2,
-      sws_isr_3,
-      sws_isr_4,
-      sws_isr_5,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      sws_isr_12,
-      sws_isr_13,
-      sws_isr_14,
-      sws_isr_15
-};
-
-SoftwareSerial::SoftwareSerial(int receivePin, int transmitPin, bool inverse_logic, unsigned int buffSize) {
-   m_rxValid = m_txValid = m_txEnableValid = false;
-   m_buffer = NULL;
-   m_invert = inverse_logic;
-   m_overflow = false;
-   m_rxEnabled = false;
-   if (isValidGPIOpin(receivePin)) {
-      m_rxPin = receivePin;
-      m_buffSize = buffSize;
-      m_buffer = (uint8_t*)malloc(m_buffSize);
-      if (m_buffer != NULL) {
-         m_rxValid = true;
-         m_inPos = m_outPos = 0;
-         pinMode(m_rxPin, INPUT);
-         ObjList[m_rxPin] = this;
-         enableRx(true);
-      }
-   }
-   if (isValidGPIOpin(transmitPin) || transmitPin == 16) {
-      m_txValid = true;
-      m_txPin = transmitPin;
-      pinMode(m_txPin, OUTPUT);
-      digitalWrite(m_txPin, !m_invert);
-   }
-   // Default speed
-   begin(9600);
-}
-
-SoftwareSerial::~SoftwareSerial() {
-   enableRx(false);
-   if (m_rxValid)
-      ObjList[m_rxPin] = NULL;
-   if (m_buffer)
-      free(m_buffer);
-}
-
-bool SoftwareSerial::isValidGPIOpin(int pin) {
-   return (pin >= 0 && pin <= 5) || (pin >= 12 && pin <= MAX_PIN);
-}
-
-void SoftwareSerial::begin(long speed) {
-   // Use getCycleCount() loop to get as exact timing as possible
-   m_bitTime = ESP.getCpuFreqMHz()*1000000/speed;
-   m_highSpeed = speed > 9600;
-
-   if (!m_rxEnabled)
-     enableRx(true);
-}
-
-long SoftwareSerial::baudRate() {
-   return ESP.getCpuFreqMHz()*1000000/m_bitTime;
-}
-
-void SoftwareSerial::setTransmitEnablePin(int transmitEnablePin) {
-  if (isValidGPIOpin(transmitEnablePin)) {
-     m_txEnableValid = true;
-     m_txEnablePin = transmitEnablePin;
-     pinMode(m_txEnablePin, OUTPUT);
-     digitalWrite(m_txEnablePin, LOW);
-  } else {
-     m_txEnableValid = false;
-  }
-}
-
-void SoftwareSerial::enableRx(bool on) {
-   if (m_rxValid) {
-      if (on)
-         attachInterrupt(m_rxPin, ISRList[m_rxPin], m_invert ? RISING : FALLING);
-      else
-         detachInterrupt(m_rxPin);
-      m_rxEnabled = on;
-   }
-}
-
-int SoftwareSerial::read() {
-   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
-   uint8_t ch = m_buffer[m_outPos];
-   m_outPos = (m_outPos+1) % m_buffSize;
-   return ch;
-}
-
-int SoftwareSerial::available() {
-   if (!m_rxValid) return 0;
-   int avail = m_inPos - m_outPos;
-   if (avail < 0) avail += m_buffSize;
-   return avail;
-}
-
-#define WAIT { while (ESP.getCycleCount()-start < wait) if (!m_highSpeed) optimistic_yield(1); wait += m_bitTime; }
-
-size_t SoftwareSerial::write(uint8_t b) {
-   if (!m_txValid) return 0;
-
-   if (m_invert) b = ~b;
-   if (m_highSpeed)
-     // Disable interrupts in order to get a clean transmit
-     cli();
-   if (m_txEnableValid) digitalWrite(m_txEnablePin, HIGH);
-   unsigned long wait = m_bitTime;
-   digitalWrite(m_txPin, HIGH);
-   unsigned long start = ESP.getCycleCount();
-    // Start bit;
-   digitalWrite(m_txPin, LOW);
-   WAIT;
-   for (int i = 0; i < 8; i++) {
-     digitalWrite(m_txPin, (b & 1) ? HIGH : LOW);
-     WAIT;
-     b >>= 1;
-   }
-   // Stop bit
-   digitalWrite(m_txPin, HIGH);
-   WAIT;
-   if (m_txEnableValid) digitalWrite(m_txEnablePin, LOW);
-   if (m_highSpeed)
-    sei();
-   return 1;
-}
-
-void SoftwareSerial::flush() {
-   m_inPos = m_outPos = 0;
-}
-
-bool SoftwareSerial::overflow() {
-   bool res = m_overflow;
-   m_overflow = false;
-   return res;
-}
-
-int SoftwareSerial::peek() {
-   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
-   return m_buffer[m_outPos];
-}
-
-void ICACHE_RAM_ATTR SoftwareSerial::rxRead() {
-   // Advance the starting point for the samples but compensate for the
-   // initial delay which occurs before the interrupt is delivered
-   unsigned long wait = m_bitTime + m_bitTime/3 - 500;
-   unsigned long start = ESP.getCycleCount();
-   uint8_t rec = 0;
-   for (int i = 0; i < 8; i++) {
-     WAIT;
-     rec >>= 1;
-     if (digitalRead(m_rxPin))
-       rec |= 0x80;
-   }
-   if (m_invert) rec = ~rec;
-   // Stop bit
-   WAIT;
-   // Store the received value in the buffer unless we have an overflow
-   int next = (m_inPos+1) % m_buffSize;
-   if (next != m_outPos) {
-      m_buffer[m_inPos] = rec;
-      m_inPos = next;
-   } else {
-      m_overflow = true;
-   }
-   // Must clear this bit in the interrupt register,
-   // it gets set even when interrupts are disabled
-   GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << m_rxPin);
-}
diff --git a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h b/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
deleted file mode 100644
index 75905ff39..000000000
--- a/lib/EspSoftwareSerial-3.3.1/SoftwareSerial.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
-SoftwareSerial.h
-
-SoftwareSerial.cpp - Implementation of the Arduino software serial for ESP8266.
-Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-*/
-
-#ifndef SoftwareSerial_h
-#define SoftwareSerial_h
-
-#include <inttypes.h>
-#include <Stream.h>
-
-
-// This class is compatible with the corresponding AVR one,
-// the constructor however has an optional rx buffer size.
-// Speed up to 115200 can be used.
-
-
-class SoftwareSerial : public Stream
-{
-public:
-   SoftwareSerial(int receivePin, int transmitPin, bool inverse_logic = false, unsigned int buffSize = 64);
-   ~SoftwareSerial();
-
-   void begin(long speed);
-   long baudRate();
-   void setTransmitEnablePin(int transmitEnablePin);
-
-   bool overflow();
-   int peek();
-
-   virtual size_t write(uint8_t byte);
-   virtual int read();
-   virtual int available();
-   virtual void flush();
-   operator bool() {return m_rxValid || m_txValid;}
-
-   // Disable or enable interrupts on the rx pin
-   void enableRx(bool on);
-
-   void rxRead();
-
-   // AVR compatibility methods
-   bool listen() { enableRx(true); return true; }
-   void end() { stopListening(); }
-   bool isListening() { return m_rxEnabled; }
-   bool stopListening() { enableRx(false); return true; }
-
-   using Print::write;
-
-private:
-   bool isValidGPIOpin(int pin);
-
-   // Member variables
-   int m_rxPin, m_txPin, m_txEnablePin;
-   bool m_rxValid, m_rxEnabled;
-   bool m_txValid, m_txEnableValid;
-   bool m_invert;
-   bool m_overflow;
-   unsigned long m_bitTime;
-   bool m_highSpeed;
-   unsigned int m_inPos, m_outPos;
-   int m_buffSize;
-   uint8_t *m_buffer;
-
-};
-
-// If only one tx or rx wanted then use this as parameter for the unused pin
-#define SW_SERIAL_UNUSED_PIN -1
-
-
-#endif
diff --git a/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino b/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
deleted file mode 100644
index b3ae69711..000000000
--- a/lib/EspSoftwareSerial-3.3.1/examples/swsertest/swsertest.ino
+++ /dev/null
@@ -1,27 +0,0 @@
-
-#include <SoftwareSerial.h>
-
-SoftwareSerial swSer(14, 12, false, 256);
-
-void setup() {
-  Serial.begin(115200);
-  swSer.begin(115200);
-
-  Serial.println("\nSoftware serial test started");
-
-  for (char ch = ' '; ch <= 'z'; ch++) {
-    swSer.write(ch);
-  }
-  swSer.println("");
-
-}
-
-void loop() {
-  while (swSer.available() > 0) {
-    Serial.write(swSer.read());
-  }
-  while (Serial.available() > 0) {
-    swSer.write(Serial.read());
-  }
-
-}
diff --git a/lib/EspSoftwareSerial-3.3.1/keywords.txt b/lib/EspSoftwareSerial-3.3.1/keywords.txt
deleted file mode 100644
index 5faea2a96..000000000
--- a/lib/EspSoftwareSerial-3.3.1/keywords.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-#######################################
-# Syntax Coloring Map for SoftwareSerial
-# (esp8266)
-#######################################
-
-#######################################
-# Datatypes (KEYWORD1)
-#######################################
-
-SoftwareSerial	KEYWORD1
-
-#######################################
-# Methods and Functions (KEYWORD2)
-#######################################
-
-begin	KEYWORD2
-read	KEYWORD2
-write	KEYWORD2
-available	KEYWORD2
-flush	KEYWORD2
-overflow	KEYWORD2
-peek	KEYWORD2
-listen	KEYWORD2
-end	KEYWORD2
-isListening	KEYWORD2
-stopListening	KEYWORD2
-
-#######################################
-# Constants (LITERAL1)
-#######################################
-
diff --git a/lib/EspSoftwareSerial-3.3.1/library.json b/lib/EspSoftwareSerial-3.3.1/library.json
deleted file mode 100644
index 46e18b6be..000000000
--- a/lib/EspSoftwareSerial-3.3.1/library.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    "name": "EspSoftwareSerial",
-    "version": "3.3.1",
-    "keywords": [
-      "serial", "io", "softwareserial"
-    ],
-    "description": "Implementation of the Arduino software serial for ESP8266.",
-    "repository":
-    {
-        "type": "git",
-        "url": "https://github.com/plerup/espsoftwareserial"
-    },
-    "frameworks": "arduino",
-    "platforms": "espressif8266"
-}
diff --git a/lib/EspSoftwareSerial-3.3.1/library.properties b/lib/EspSoftwareSerial-3.3.1/library.properties
deleted file mode 100644
index 9e53e159c..000000000
--- a/lib/EspSoftwareSerial-3.3.1/library.properties
+++ /dev/null
@@ -1,9 +0,0 @@
-name=SoftwareSerial
-version=1.0
-author=Peter Lerup
-maintainer=Peter Lerup <peter@lerup.com>
-sentence=Implementation of the Arduino software serial for ESP8266.
-paragraph=
-category=Signal Input/Output
-url=
-architectures=esp8266
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/README.md b/lib/EspSoftwareSerialNoIram-3.3.1/README.md
deleted file mode 100644
index 43c4ef4a6..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/README.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# EspSoftwareSerial
-
-Implementation of the Arduino software serial library for the ESP8266
-
-Same functionality as the corresponding AVR library but several instances can be active at the same time.
-Speed up to 115200 baud is supported. The constructor also has an optional input buffer size.
-
-Please note that due to the fact that the ESP always have other activities ongoing, there will be some inexactness in interrupt
-timings. This may lead to bit errors when having heavy data traffic in high baud rates.
-
-
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
deleted file mode 100644
index 7bcecc713..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.cpp
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
-
-SoftwareSerialNoIram.cpp - Implementation of the Arduino software serial for ESP8266.
-Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-*/
-
-#define TASMOTA_NO_ICACHE_RAM       // To solve compile errors due to lack off iram
-
-#include <Arduino.h>
-
-// The Arduino standard GPIO routines are not enough,
-// must use some from the Espressif SDK as well
-extern "C" {
-#include "gpio.h"
-}
-
-#include <SoftwareSerialNoIram.h>
-
-#define MAX_PIN 15
-
-// As the Arduino attachInterrupt has no parameter, lists of objects
-// and callbacks corresponding to each possible GPIO pins have to be defined
-SoftwareSerialNoIram *ObjList[MAX_PIN+1];
-
-#ifdef TASMOTA_NO_ICACHE_RAM
-void sws_isr_0() { ObjList[0]->rxRead(); };
-void sws_isr_1() { ObjList[1]->rxRead(); };
-void sws_isr_2() { ObjList[2]->rxRead(); };
-void sws_isr_3() { ObjList[3]->rxRead(); };
-void sws_isr_4() { ObjList[4]->rxRead(); };
-void sws_isr_5() { ObjList[5]->rxRead(); };
-// Pin 6 to 11 can not be used
-void sws_isr_12() { ObjList[12]->rxRead(); };
-void sws_isr_13() { ObjList[13]->rxRead(); };
-void sws_isr_14() { ObjList[14]->rxRead(); };
-void sws_isr_15() { ObjList[15]->rxRead(); };
-#else
-void ICACHE_RAM_ATTR sws_isr_0() { ObjList[0]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_1() { ObjList[1]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_2() { ObjList[2]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_3() { ObjList[3]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_4() { ObjList[4]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_5() { ObjList[5]->rxRead(); };
-// Pin 6 to 11 can not be used
-void ICACHE_RAM_ATTR sws_isr_12() { ObjList[12]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_13() { ObjList[13]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_14() { ObjList[14]->rxRead(); };
-void ICACHE_RAM_ATTR sws_isr_15() { ObjList[15]->rxRead(); };
-#endif
-
-static void (*ISRList[MAX_PIN+1])() = {
-      sws_isr_0,
-      sws_isr_1,
-      sws_isr_2,
-      sws_isr_3,
-      sws_isr_4,
-      sws_isr_5,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      NULL,
-      sws_isr_12,
-      sws_isr_13,
-      sws_isr_14,
-      sws_isr_15
-};
-
-SoftwareSerialNoIram::SoftwareSerialNoIram(int receivePin, int transmitPin, bool inverse_logic, unsigned int buffSize) {
-   m_rxValid = m_txValid = m_txEnableValid = false;
-   m_buffer = NULL;
-   m_invert = inverse_logic;
-   m_overflow = false;
-   m_rxEnabled = false;
-   if (isValidGPIOpin(receivePin)) {
-      m_rxPin = receivePin;
-      m_buffSize = buffSize;
-      m_buffer = (uint8_t*)malloc(m_buffSize);
-      if (m_buffer != NULL) {
-         m_rxValid = true;
-         m_inPos = m_outPos = 0;
-         pinMode(m_rxPin, INPUT);
-         ObjList[m_rxPin] = this;
-         enableRx(true);
-      }
-   }
-   if (isValidGPIOpin(transmitPin) || transmitPin == 16) {
-      m_txValid = true;
-      m_txPin = transmitPin;
-      pinMode(m_txPin, OUTPUT);
-      digitalWrite(m_txPin, !m_invert);
-   }
-   // Default speed
-   begin(9600);
-}
-
-SoftwareSerialNoIram::~SoftwareSerialNoIram() {
-   enableRx(false);
-   if (m_rxValid)
-      ObjList[m_rxPin] = NULL;
-   if (m_buffer)
-      free(m_buffer);
-}
-
-bool SoftwareSerialNoIram::isValidGPIOpin(int pin) {
-   return (pin >= 0 && pin <= 5) || (pin >= 12 && pin <= MAX_PIN);
-}
-
-void SoftwareSerialNoIram::begin(long speed) {
-   // Use getCycleCount() loop to get as exact timing as possible
-   m_bitTime = ESP.getCpuFreqMHz()*1000000/speed;
-   m_highSpeed = speed > 9600;
-
-   if (!m_rxEnabled)
-     enableRx(true);
-}
-
-long SoftwareSerialNoIram::baudRate() {
-   return ESP.getCpuFreqMHz()*1000000/m_bitTime;
-}
-
-void SoftwareSerialNoIram::setTransmitEnablePin(int transmitEnablePin) {
-  if (isValidGPIOpin(transmitEnablePin)) {
-     m_txEnableValid = true;
-     m_txEnablePin = transmitEnablePin;
-     pinMode(m_txEnablePin, OUTPUT);
-     digitalWrite(m_txEnablePin, LOW);
-  } else {
-     m_txEnableValid = false;
-  }
-}
-
-void SoftwareSerialNoIram::enableRx(bool on) {
-   if (m_rxValid) {
-      if (on)
-         attachInterrupt(m_rxPin, ISRList[m_rxPin], m_invert ? RISING : FALLING);
-      else
-         detachInterrupt(m_rxPin);
-      m_rxEnabled = on;
-   }
-}
-
-int SoftwareSerialNoIram::read() {
-   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
-   uint8_t ch = m_buffer[m_outPos];
-   m_outPos = (m_outPos+1) % m_buffSize;
-   return ch;
-}
-
-int SoftwareSerialNoIram::available() {
-   if (!m_rxValid) return 0;
-   int avail = m_inPos - m_outPos;
-   if (avail < 0) avail += m_buffSize;
-   return avail;
-}
-
-#define WAIT { while (ESP.getCycleCount()-start < wait) if (!m_highSpeed) optimistic_yield(1); wait += m_bitTime; }
-
-size_t SoftwareSerialNoIram::write(uint8_t b) {
-   if (!m_txValid) return 0;
-
-   if (m_invert) b = ~b;
-   if (m_highSpeed)
-     // Disable interrupts in order to get a clean transmit
-     cli();
-   if (m_txEnableValid) digitalWrite(m_txEnablePin, HIGH);
-   unsigned long wait = m_bitTime;
-   digitalWrite(m_txPin, HIGH);
-   unsigned long start = ESP.getCycleCount();
-    // Start bit;
-   digitalWrite(m_txPin, LOW);
-   WAIT;
-   for (int i = 0; i < 8; i++) {
-     digitalWrite(m_txPin, (b & 1) ? HIGH : LOW);
-     WAIT;
-     b >>= 1;
-   }
-   // Stop bit
-   digitalWrite(m_txPin, HIGH);
-   WAIT;
-   if (m_txEnableValid) digitalWrite(m_txEnablePin, LOW);
-   if (m_highSpeed)
-    sei();
-   return 1;
-}
-
-void SoftwareSerialNoIram::flush() {
-   m_inPos = m_outPos = 0;
-}
-
-bool SoftwareSerialNoIram::overflow() {
-   bool res = m_overflow;
-   m_overflow = false;
-   return res;
-}
-
-int SoftwareSerialNoIram::peek() {
-   if (!m_rxValid || (m_inPos == m_outPos)) return -1;
-   return m_buffer[m_outPos];
-}
-
-#ifdef TASMOTA_NO_ICACHE_RAM
-void SoftwareSerialNoIram::rxRead() {
-#else
-void ICACHE_RAM_ATTR SoftwareSerialNoIram::rxRead() {
-#endif
-   // Advance the starting point for the samples but compensate for the
-   // initial delay which occurs before the interrupt is delivered
-   unsigned long wait = m_bitTime + m_bitTime/3 - 500;
-   unsigned long start = ESP.getCycleCount();
-   uint8_t rec = 0;
-   for (int i = 0; i < 8; i++) {
-     WAIT;
-     rec >>= 1;
-     if (digitalRead(m_rxPin))
-       rec |= 0x80;
-   }
-   if (m_invert) rec = ~rec;
-   // Stop bit
-   WAIT;
-   // Store the received value in the buffer unless we have an overflow
-   int next = (m_inPos+1) % m_buffSize;
-   if (next != m_outPos) {
-      m_buffer[m_inPos] = rec;
-      m_inPos = next;
-   } else {
-      m_overflow = true;
-   }
-   // Must clear this bit in the interrupt register,
-   // it gets set even when interrupts are disabled
-   GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << m_rxPin);
-}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h b/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
deleted file mode 100644
index 4cec3b3b9..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/SoftwareSerialNoIram.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
-SoftwareSerialNoIram.h
-
-SoftwareSerialNoIram.cpp - Implementation of the Arduino software serial for ESP8266 without iram usage.
-Copyright (c) 2015-2016 Peter Lerup. All rights reserved.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-*/
-
-#ifndef SoftwareSerialNoIram_h
-#define SoftwareSerialNoIram_h
-
-#include <inttypes.h>
-#include <Stream.h>
-
-
-// This class is compatible with the corresponding AVR one,
-// the constructor however has an optional rx buffer size.
-// Speed up to 115200 can be used.
-
-
-class SoftwareSerialNoIram : public Stream
-{
-public:
-   SoftwareSerialNoIram(int receivePin, int transmitPin, bool inverse_logic = false, unsigned int buffSize = 64);
-   ~SoftwareSerialNoIram();
-
-   void begin(long speed);
-   long baudRate();
-   void setTransmitEnablePin(int transmitEnablePin);
-
-   bool overflow();
-   int peek();
-
-   virtual size_t write(uint8_t byte);
-   virtual int read();
-   virtual int available();
-   virtual void flush();
-   operator bool() {return m_rxValid || m_txValid;}
-
-   // Disable or enable interrupts on the rx pin
-   void enableRx(bool on);
-
-   void rxRead();
-
-   // AVR compatibility methods
-   bool listen() { enableRx(true); return true; }
-   void end() { stopListening(); }
-   bool isListening() { return m_rxEnabled; }
-   bool stopListening() { enableRx(false); return true; }
-
-   using Print::write;
-
-private:
-   bool isValidGPIOpin(int pin);
-
-   // Member variables
-   int m_rxPin, m_txPin, m_txEnablePin;
-   bool m_rxValid, m_rxEnabled;
-   bool m_txValid, m_txEnableValid;
-   bool m_invert;
-   bool m_overflow;
-   unsigned long m_bitTime;
-   bool m_highSpeed;
-   unsigned int m_inPos, m_outPos;
-   int m_buffSize;
-   uint8_t *m_buffer;
-
-};
-
-// If only one tx or rx wanted then use this as parameter for the unused pin
-#define SW_SERIAL_UNUSED_PIN -1
-
-
-#endif
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino b/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
deleted file mode 100644
index b3ae69711..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/examples/swsertest/swsertest.ino
+++ /dev/null
@@ -1,27 +0,0 @@
-
-#include <SoftwareSerial.h>
-
-SoftwareSerial swSer(14, 12, false, 256);
-
-void setup() {
-  Serial.begin(115200);
-  swSer.begin(115200);
-
-  Serial.println("\nSoftware serial test started");
-
-  for (char ch = ' '; ch <= 'z'; ch++) {
-    swSer.write(ch);
-  }
-  swSer.println("");
-
-}
-
-void loop() {
-  while (swSer.available() > 0) {
-    Serial.write(swSer.read());
-  }
-  while (Serial.available() > 0) {
-    swSer.write(Serial.read());
-  }
-
-}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt b/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
deleted file mode 100644
index 9f595c0e2..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/keywords.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-#######################################
-# Syntax Coloring Map for SoftwareSerialNoIram
-# (esp8266)
-#######################################
-
-#######################################
-# Datatypes (KEYWORD1)
-#######################################
-
-SoftwareSerialNoIram	KEYWORD1
-
-#######################################
-# Methods and Functions (KEYWORD2)
-#######################################
-
-begin	KEYWORD2
-read	KEYWORD2
-write	KEYWORD2
-available	KEYWORD2
-flush	KEYWORD2
-overflow	KEYWORD2
-peek	KEYWORD2
-listen	KEYWORD2
-end	KEYWORD2
-isListening	KEYWORD2
-stopListening	KEYWORD2
-
-#######################################
-# Constants (LITERAL1)
-#######################################
-
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/library.json b/lib/EspSoftwareSerialNoIram-3.3.1/library.json
deleted file mode 100644
index 861d394a0..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/library.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    "name": "EspSoftwareSerialNoIram",
-    "version": "3.3.1",
-    "keywords": [
-      "serial", "io", "softwareserialnoiram"
-    ],
-    "description": "Implementation of the Arduino software serial for ESP8266 without iram usage.",
-    "repository":
-    {
-        "type": "git",
-        "url": "https://github.com/plerup/espsoftwareserial"
-    },
-    "frameworks": "arduino",
-    "platforms": "espressif8266"
-}
diff --git a/lib/EspSoftwareSerialNoIram-3.3.1/library.properties b/lib/EspSoftwareSerialNoIram-3.3.1/library.properties
deleted file mode 100644
index b934964c1..000000000
--- a/lib/EspSoftwareSerialNoIram-3.3.1/library.properties
+++ /dev/null
@@ -1,9 +0,0 @@
-name=SoftwareSerialNoIram
-version=1.0
-author=Peter Lerup
-maintainer=Peter Lerup <peter@lerup.com>
-sentence=Implementation of the Arduino software serial for ESP8266 without iram usage.
-paragraph=
-category=Signal Input/Output
-url=
-architectures=esp8266
diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index e41a17d3f..050f18188 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,7 +1,8 @@
 /* 5.10.0a
  * Add (experimental) support for sensor SHT3x
- * Add support for sensor MH-Z19(B) using serial interface to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
- * Add (experimental) support for sensor MH-Z19(B) using SoftwareSerial to be enabled with define USE_MHZ19 in user_config.h (#561, #1248)
+ * Add support for sensor MH-Z19(B) using serial interface to be enabled with define USE_MHZ19_HARD_SERIAL in user_config.h (#561, #1248)
+ * Add (experimental) support for sensor MH-Z19(B) using SoftwareSerial to be enabled with define USE_MHZ19_SOFT_SERIAL_OBSOLETE in user_config.h (#561, #1248)
+ * Add (experimental) support for sensor MH-Z19(B) using stripped SoftwareSerial to be enabled with define USE_MHZ19_SOFT_SERIAL in user_config.h (#561, #1248)
  * Add support for iTead SI7021 temperature and humidity sensor by consolidating DHT22 into AM2301 and using former DHT22 as SI7021 (#735)
  * Fix BME280 calculation (#1051)
  * Add support for BME680 using adafruit libraries (#1212)
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 6d04f7a55..c0ceae097 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -167,7 +167,7 @@
 //#define USE_DS18x20                              // Optional for more than one DS18x20 sensors with id sort, single scan and read retry (+1k3 code)
 //#define USE_DS18x20_LEGACY                       // Optional for more than one DS18x20 sensors with dynamic scan using library OneWire (+1k5 code)
 
-#define USE_I2C                                  // I2C using library wire (+10k code, 0k2 mem) - Disable by //
+#define USE_I2C                                  // I2C using library wire (+10k code, 0k2 mem, 124 iram)
   #define USE_SHT                                // Add I2C emulating code for SHT1X sensor (+1k4 code)
 //  #define USE_SHT3X                              // Add I2C code for SHT3x sensor based on Adafruit (+0k7 code)
 //  #define USE_SHT3X_V2                           // Add I2C code for SHT3x sensor based on EspEasy (+0k7 code)
@@ -181,17 +181,17 @@
 //  #define USE_ADS1115_I2CDEV                     // Add I2C code for ADS1115 16 bit A/D converter using library i2cdevlib-Core and i2cdevlib-ADS1115 (+2k code)
 //  #define USE_INA219                             // Add I2C code for INA219 Low voltage and current sensor (+1k code)
 
-#define USE_IR_REMOTE                            // Send IR remote commands using library IRremoteESP8266 and ArduinoJson (+4k code, 0k3 mem)
+#define USE_IR_REMOTE                            // Send IR remote commands using library IRremoteESP8266 and ArduinoJson (+4k code, 0k3 mem, 48 iram)
 //  #define USE_IR_HVAC                            // Support for HVAC system using IR (+2k code)
-  #define USE_IR_RECEIVE                         // Support for IR receiver (+5k5 code)
+  #define USE_IR_RECEIVE                         // Support for IR receiver (+5k5 code, 264 iram)
 
-#define USE_WS2812                               // WS2812 Led string using library NeoPixelBus (+5k code, +1k mem) - Disable by //
+#define USE_WS2812                               // WS2812 Led string using library NeoPixelBus (+5k code, +1k mem, 232 iram) - Disable by //
   #define USE_WS2812_CTYPE     1                 // WS2812 Color type (0 - RGB, 1 - GRB, 2 - RGBW, 3 - GRBW)
 //  #define USE_WS2812_DMA                         // DMA supports only GPIO03 (= Serial RXD) (+1k mem). When USE_WS2812_DMA is enabled expect Exceptions on Pow
 
-//#define USE_MHZ19                                // Add support for MH-Z19 CO2 sensor using hardware serial interface at 9600 bps (+1k1 code)
-//#define USE_MHZ19_SOFT_SERIAL                    // Add support for MH-Z19 CO2 sensor using iram free software serial interface at 9600 bps (+2k3 code)
-//  #define USE_SERIAL_NO_ICACHE                   // Use no iram with SoftwareSerial (may loose characters)
+//#define USE_MHZ19_HARD_SERIAL                    // Add support for MH-Z19 CO2 sensor using hardware serial interface at 9600 bps on GPIO1/3 only (+1k1 code)
+//#define USE_MHZ19_SOFT_SERIAL                    // Add support for MH-Z19 CO2 sensor using software serial interface at 9600 bps (+2k3 code, 215 iram)
+//#define USE_MHZ19_SOFT_SERIAL_OBSOLETE           // Add support for MH-Z19 CO2 sensor using software serial interface at 9600 bps (+2k3 code, 420 iram)
 
 #define USE_ARILUX_RF                            // Add support for Arilux RF remote controller (+0k8 code)
 
diff --git a/sonoff/xsns_15_mhz_hardserial.ino b/sonoff/xsns_15_mhz_hardserial.ino
new file mode 100644
index 000000000..cde575f2d
--- /dev/null
+++ b/sonoff/xsns_15_mhz_hardserial.ino
@@ -0,0 +1,277 @@
+/*
+  xsns_15_mhz.ino - MH-Z19 CO2 sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_MHZ19_HARD_SERIAL
+/*********************************************************************************************\
+ * MH-Z19 - CO2 sensor
+ *
+ * Supported on hardware serial interface only due to lack of iram needed by SoftwareSerial
+ *
+ * Based on EspEasy plugin P049 by Dmitry (rel22 ___ inbox.ru)
+ *
+ **********************************************************************************************
+ * Filter usage
+ *
+ * Select filter usage on low stability readings
+\*********************************************************************************************/
+
+enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
+
+#define MHZ19_FILTER_OPTION          MHZ19_FILTER_FAST
+
+/*********************************************************************************************\
+ * Source: http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
+ *
+ * Automatic Baseline Correction (ABC logic function)
+ *
+ * ABC logic function refers to that sensor itself do zero point judgment and automatic calibration procedure
+ * intelligently after a continuous operation period. The automatic calibration cycle is every 24 hours after powered on.
+ *
+ * The zero point of automatic calibration is 400ppm.
+ *
+ * This function is usually suitable for indoor air quality monitor such as offices, schools and homes,
+ * not suitable for greenhouse, farm and refrigeratory where this function should be off.
+ *
+ * Please do zero calibration timely, such as manual or commend calibration.
+\*********************************************************************************************/
+
+#define MHZ19_ABC_ENABLE             1       // Automatic Baseline Correction (0 = off, 1 = on (default))
+
+/*********************************************************************************************/
+
+#define MHZ19_BAUDRATE               9600
+#define MHZ19_READ_TIMEOUT           600     // Must be way less than 1000
+
+const char kMhz19Types[] PROGMEM = "MHZ19|MHZ19B";
+
+const byte mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
+const byte mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
+const byte mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
+
+uint8_t mhz19_type = 0;
+uint16_t mhz19_last_ppm = 0;
+uint8_t mhz19_filter = MHZ19_FILTER_OPTION;
+byte mhz19_response[9];
+bool mhz19_abc_enable = MHZ19_ABC_ENABLE;
+bool mhz19_abc_must_apply = false;
+char mhz19_types[7];
+
+bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
+{
+  if (1 == s) {
+    return false;            // S==1 => "A" version sensor bootup, do not use values.
+  }
+  if (mhz19_last_ppm < 400 || mhz19_last_ppm > 5000) {
+    // Prevent unrealistic values during start-up with filtering enabled.
+    // Just assume the entered value is correct.
+    mhz19_last_ppm = ppm;
+    return true;
+  }
+  int32_t difference = ppm - mhz19_last_ppm;
+  if (s > 0 && s < 64 && mhz19_filter != MHZ19_FILTER_OFF) {
+    // Not the "B" version of the sensor, S value is used.
+    // S==0 => "B" version, else "A" version
+    // The S value is an indication of the stability of the reading.
+    // S == 64 represents a stable reading and any lower value indicates (unusual) fast change.
+    // Now we increase the delay filter for low values of S and increase response time when the
+    // value is more stable.
+    // This will make the reading useful in more turbulent environments,
+    // where the sensor would report more rapid change of measured values.
+    difference = difference * s;
+    difference /= 64;
+  }
+  switch (mhz19_filter) {
+    case MHZ19_FILTER_OFF: {
+      if (s != 0 && s != 64) {
+        return false;
+      }
+      break;
+    }
+    // #Samples to reach >= 75% of step response
+    case MHZ19_FILTER_OFF_ALLSAMPLES:
+      break;                 // No Delay
+    case MHZ19_FILTER_FAST:
+      difference /= 2;
+      break;                 // Delay: 2 samples
+    case MHZ19_FILTER_MEDIUM:
+      difference /= 4;
+      break;                 // Delay: 5 samples
+    case MHZ19_FILTER_SLOW:
+      difference /= 8;
+      break;                 // Delay: 11 samples
+  }
+  mhz19_last_ppm = static_cast<uint16_t>(mhz19_last_ppm + difference);
+  return true;
+}
+
+bool Mhz19Read(uint16_t &p, float &t)
+{
+  bool status = false;
+
+  p = 0;
+  t = NAN;
+
+  if (mhz19_type)
+  {
+    Serial.flush();
+    if (Serial.write(mhz19_cmnd_read_ppm, 9) != 9) {
+      return false;          // Unable to send 9 bytes
+    }
+    memset(mhz19_response, 0, sizeof(mhz19_response));
+    uint32_t start = millis();
+    uint8_t counter = 0;
+    while (((millis() - start) < MHZ19_READ_TIMEOUT) && (counter < 9)) {
+      if (Serial.available() > 0) {
+        mhz19_response[counter++] = Serial.read();
+      } else {
+        delay(10);
+      }
+    }
+    if (counter < 9){
+      return false;          // Timeout while trying to read
+    }
+
+    byte crc = 0;
+    for (uint8_t i = 1; i < 8; i++) {
+      crc += mhz19_response[i];
+    }
+    crc = 255 - crc;
+    crc++;
+
+/*
+    // Test data
+    mhz19_response[0] = 0xFF;
+    mhz19_response[1] = 0x86;
+    mhz19_response[2] = 0x12;
+    mhz19_response[3] = 0x86;
+    mhz19_response[4] = 64;
+//    mhz19_response[5] = 32;
+    mhz19_response[8] = crc;
+*/
+
+    if (0xFF == mhz19_response[0] && 0x86 == mhz19_response[1] && mhz19_response[8] == crc)  {
+      uint16_t u = (mhz19_response[6] << 8) | mhz19_response[7];
+      if (15000 == u) {      // During (and only ever at) sensor boot, 'u' is reported as 15000
+        if (!mhz19_abc_enable) {
+          // After bootup of the sensor the ABC will be enabled.
+          // Thus only actively disable after bootup.
+          mhz19_abc_must_apply = true;
+        }
+      } else {
+        uint16_t ppm = (mhz19_response[2] << 8) | mhz19_response[3];
+        t = ConvertTemp((float)mhz19_response[4] - 40);
+        uint8_t s = mhz19_response[5];
+        if (s) {
+          mhz19_type = 1;
+        } else {
+          mhz19_type = 2;
+        }
+        if (Mhz19CheckAndApplyFilter(ppm, s)) {
+          p = mhz19_last_ppm;
+
+          if (0 == s || 64 == s) {  // Reading is stable.
+            if (mhz19_abc_must_apply) {
+              mhz19_abc_must_apply = false;
+              if (mhz19_abc_enable) {
+                Serial.write(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
+              } else {
+                Serial.write(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
+              }
+            }
+          }
+
+          status = true;
+        }
+      }
+    }
+  }
+  return status;
+}
+
+void Mhz19Init()
+{
+  SetSerialBaudrate(MHZ19_BAUDRATE);
+  Serial.flush();
+
+  seriallog_level = 0;
+  mhz19_type = 1;
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_SNS_CO2[] PROGMEM =
+  "%s{s}%s " D_CO2 "{m}%d " D_UNIT_PPM "{e}";  // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
+#endif  // USE_WEBSERVER
+
+void Mhz19Show(boolean json)
+{
+  uint16_t co2;
+  float t;
+
+  if (Mhz19Read(co2, t)) {
+    char temperature[10];
+    dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+    GetTextIndexed(mhz19_types, sizeof(mhz19_types), mhz19_type -1, kMhz19Types);
+
+    if (json) {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_CO2 "\":%d,\"" D_TEMPERATURE "\":%s}"), mqtt_data, mhz19_types, co2, temperature);
+#ifdef USE_DOMOTICZ
+      DomoticzSensor(DZ_COUNT, co2);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+    } else {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_CO2, mqtt_data, mhz19_types, co2);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, mhz19_types, temperature, TempUnit());
+#endif  // USE_WEBSERVER
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_15
+
+boolean Xsns15(byte function)
+{
+  boolean result = false;
+
+  if ((pin[GPIO_MHZ_RXD] < 99) && (pin[GPIO_MHZ_TXD] < 99)) {
+    switch (function) {
+      case FUNC_XSNS_INIT:
+        Mhz19Init();
+        break;
+      case FUNC_XSNS_PREP:
+//        Mhz19Prep();
+        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Mhz19Show(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Mhz19Show(0);
+//        Mhz19Prep();
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_MHZ19_HARD_SERIAL
diff --git a/sonoff/xsns_15_mhz_softserial.ino b/sonoff/xsns_15_mhz_softserial.ino
index a91dd8c3b..b77faeb20 100644
--- a/sonoff/xsns_15_mhz_softserial.ino
+++ b/sonoff/xsns_15_mhz_softserial.ino
@@ -28,14 +28,6 @@
  * Select filter usage on low stability readings
 \*********************************************************************************************/
 
-#ifdef USE_SERIAL_NO_ICACHE
-  #include <SoftwareSerialNoIram.h>
-  SoftwareSerialNoIram *SoftSerial;
-#else
-  #include <SoftwareSerial.h>
-  SoftwareSerial *SoftSerial;
-#endif  // USE_SERIAL_NO_ICACHE
-
 enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
 
 #define MHZ19_FILTER_OPTION          MHZ19_FILTER_FAST
@@ -65,18 +57,136 @@ enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FI
 
 const char kMhz19Types[] PROGMEM = "MHZ19|MHZ19B";
 
-const byte mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
-const byte mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
-const byte mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
+const uint8_t mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
+const uint8_t mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
+const uint8_t mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
 
 uint8_t mhz19_type = 0;
 uint16_t mhz19_last_ppm = 0;
 uint8_t mhz19_filter = MHZ19_FILTER_OPTION;
-byte mhz19_response[9];
+uint8_t mhz19_response[9];
 bool mhz19_abc_enable = MHZ19_ABC_ENABLE;
 bool mhz19_abc_must_apply = false;
 char mhz19_types[7];
 
+/*********************************************************************************************\
+ * Subset SoftwareSerial
+\*********************************************************************************************/
+
+#define MHZ19_SERIAL_BUFFER_SIZE     20
+#define MHZ19_SERIAL_WAIT { while (ESP.getCycleCount() -start < wait) optimistic_yield(1); wait += mhz19_serial_bit_time; }
+
+uint8_t mhz19_serial_rx_pin;
+uint8_t mhz19_serial_tx_pin;
+uint8_t mhz19_serial_in_pos = 0;
+uint8_t mhz19_serial_out_pos = 0;
+uint8_t mhz19_serial_buffer[MHZ19_SERIAL_BUFFER_SIZE];
+unsigned long mhz19_serial_bit_time;
+unsigned long mhz19_serial_bit_time_start;
+
+bool Mhz19SerialValidGpioPin(uint8_t pin) {
+  return (pin >= 0 && pin <= 5) || (pin >= 12 && pin <= 15);
+}
+
+bool Mhz19Serial(uint8_t receive_pin, uint8_t transmit_pin)
+{
+  if (!((Mhz19SerialValidGpioPin(receive_pin)) && (Mhz19SerialValidGpioPin(transmit_pin) || transmit_pin == 16))) {
+    return false;
+  }
+  mhz19_serial_rx_pin = receive_pin;
+  pinMode(mhz19_serial_rx_pin, INPUT);
+  attachInterrupt(mhz19_serial_rx_pin, Mhz19SerialRxRead, FALLING);
+
+  mhz19_serial_tx_pin = transmit_pin;
+  pinMode(mhz19_serial_tx_pin, OUTPUT);
+  digitalWrite(mhz19_serial_tx_pin, 1);
+
+  mhz19_serial_bit_time = ESP.getCpuFreqMHz() *1000000 /MHZ19_BAUDRATE;   // 8333
+  mhz19_serial_bit_time_start = mhz19_serial_bit_time + mhz19_serial_bit_time /3 -500;  // 10610 ICACHE_RAM_ATTR start delay
+//  mhz19_serial_bit_time_start = mhz19_serial_bit_time;                           // Non ICACHE_RAM_ATTR start delay (experimental)
+
+  return true;
+}
+
+int Mhz19SerialRead() {
+  if (mhz19_serial_in_pos == mhz19_serial_out_pos) {
+    return -1;
+  }
+  int ch = mhz19_serial_buffer[mhz19_serial_out_pos];
+  mhz19_serial_out_pos = (mhz19_serial_out_pos +1) % MHZ19_SERIAL_BUFFER_SIZE;
+  return ch;
+}
+
+int Mhz19SerialAvailable() {
+  int avail = mhz19_serial_in_pos - mhz19_serial_out_pos;
+  if (avail < 0) {
+    avail += MHZ19_SERIAL_BUFFER_SIZE;
+  }
+  return avail;
+}
+
+void Mhz19SerialFlush()
+{
+  mhz19_serial_in_pos = 0;
+  mhz19_serial_out_pos = 0;
+}
+
+size_t Mhz19SerialTxWrite(uint8_t b)
+{
+  unsigned long wait = mhz19_serial_bit_time;
+  digitalWrite(mhz19_serial_tx_pin, HIGH);
+  unsigned long start = ESP.getCycleCount();
+    // Start bit;
+  digitalWrite(mhz19_serial_tx_pin, LOW);
+  MHZ19_SERIAL_WAIT;
+  for (int i = 0; i < 8; i++) {
+    digitalWrite(mhz19_serial_tx_pin, (b & 1) ? HIGH : LOW);
+    MHZ19_SERIAL_WAIT;
+    b >>= 1;
+  }
+   // Stop bit
+  digitalWrite(mhz19_serial_tx_pin, HIGH);
+  MHZ19_SERIAL_WAIT;
+  return 1;
+}
+
+size_t Mhz19SerialWrite(const uint8_t *buffer, size_t size = 1) {
+  size_t n = 0;
+  while(size--) {
+    n += Mhz19SerialTxWrite(*buffer++);
+  }
+  return n;
+}
+
+void Mhz19SerialRxRead() ICACHE_RAM_ATTR;  // Add 215 bytes to iram usage
+void Mhz19SerialRxRead() {
+  // Advance the starting point for the samples but compensate for the
+  // initial delay which occurs before the interrupt is delivered
+  unsigned long wait = mhz19_serial_bit_time_start;
+  unsigned long start = ESP.getCycleCount();
+  uint8_t rec = 0;
+  for (int i = 0; i < 8; i++) {
+    MHZ19_SERIAL_WAIT;
+    rec >>= 1;
+    if (digitalRead(mhz19_serial_rx_pin)) {
+      rec |= 0x80;
+    }
+  }
+  // Stop bit
+  MHZ19_SERIAL_WAIT;
+  // Store the received value in the buffer unless we have an overflow
+  int next = (mhz19_serial_in_pos +1) % MHZ19_SERIAL_BUFFER_SIZE;
+  if (next != mhz19_serial_out_pos) {
+    mhz19_serial_buffer[mhz19_serial_in_pos] = rec;
+    mhz19_serial_in_pos = next;
+  }
+  // Must clear this bit in the interrupt register,
+  // it gets set even when interrupts are disabled
+  GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << mhz19_serial_rx_pin);
+}
+
+/*********************************************************************************************/
+
 bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
 {
   if (1 == s) {
@@ -98,28 +208,15 @@ bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
     // value is more stable.
     // This will make the reading useful in more turbulent environments,
     // where the sensor would report more rapid change of measured values.
-    difference = difference * s;
+    difference *= s;
     difference /= 64;
   }
-  switch (mhz19_filter) {
-    case MHZ19_FILTER_OFF: {
-      if (s != 0 && s != 64) {
-        return false;
-      }
-      break;
+  if (MHZ19_FILTER_OFF == mhz19_filter) {
+    if (s != 0 && s != 64) {
+      return false;
     }
-    // #Samples to reach >= 75% of step response
-    case MHZ19_FILTER_OFF_ALLSAMPLES:
-      break;                 // No Delay
-    case MHZ19_FILTER_FAST:
-      difference /= 2;
-      break;                 // Delay: 2 samples
-    case MHZ19_FILTER_MEDIUM:
-      difference /= 4;
-      break;                 // Delay: 5 samples
-    case MHZ19_FILTER_SLOW:
-      difference /= 8;
-      break;                 // Delay: 11 samples
+  } else {
+    difference >>= (mhz19_filter -1);
   }
   mhz19_last_ppm = static_cast<uint16_t>(mhz19_last_ppm + difference);
   return true;
@@ -134,16 +231,16 @@ bool Mhz19Read(uint16_t &p, float &t)
 
   if (mhz19_type)
   {
-    SoftSerial->flush();
-    if (SoftSerial->write(mhz19_cmnd_read_ppm, 9) != 9) {
+    Mhz19SerialFlush();
+    if (Mhz19SerialWrite(mhz19_cmnd_read_ppm, 9) != 9) {
       return false;          // Unable to send 9 bytes
     }
     memset(mhz19_response, 0, sizeof(mhz19_response));
     uint32_t start = millis();
     uint8_t counter = 0;
     while (((millis() - start) < MHZ19_READ_TIMEOUT) && (counter < 9)) {
-      if (SoftSerial->available() > 0) {
-        mhz19_response[counter++] = SoftSerial->read();
+      if (Mhz19SerialAvailable() > 0) {
+        mhz19_response[counter++] = Mhz19SerialRead();
       } else {
         delay(10);
       }
@@ -194,9 +291,9 @@ bool Mhz19Read(uint16_t &p, float &t)
             if (mhz19_abc_must_apply) {
               mhz19_abc_must_apply = false;
               if (mhz19_abc_enable) {
-                SoftSerial->write(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
+                Mhz19SerialWrite(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
               } else {
-                SoftSerial->write(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
+                Mhz19SerialWrite(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
               }
             }
           }
@@ -211,14 +308,9 @@ bool Mhz19Read(uint16_t &p, float &t)
 
 void Mhz19Init()
 {
-#ifdef USE_SERIAL_NO_ICACHE
-  SoftSerial = new SoftwareSerialNoIram(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
-#else
-  SoftSerial = new SoftwareSerial(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
-#endif  // USE_SERIAL_NO_ICACHE
-
-  SoftSerial->begin(9600);
-  mhz19_type = 1;
+  if (Mhz19Serial(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD])) {
+    mhz19_type = 1;
+  }
 }
 
 #ifdef USE_WEBSERVER
diff --git a/sonoff/xsns_15_mhz_softserial_obsolete.ino b/sonoff/xsns_15_mhz_softserial_obsolete.ino
new file mode 100644
index 000000000..4f468b17e
--- /dev/null
+++ b/sonoff/xsns_15_mhz_softserial_obsolete.ino
@@ -0,0 +1,277 @@
+/*
+  xsns_15_mhz.ino - MH-Z19 CO2 sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_MHZ19_SOFT_SERIAL_OBSOLETE
+/*********************************************************************************************\
+ * MH-Z19 - CO2 sensor
+ *
+ * Based on EspEasy plugin P049 by Dmitry (rel22 ___ inbox.ru)
+ **********************************************************************************************
+ * Filter usage
+ *
+ * Select filter usage on low stability readings
+\*********************************************************************************************/
+
+#include <SoftwareSerial.h>
+SoftwareSerial *SoftSerial;
+
+enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
+
+#define MHZ19_FILTER_OPTION          MHZ19_FILTER_FAST
+
+/*********************************************************************************************\
+ * Source: http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
+ *
+ * Automatic Baseline Correction (ABC logic function)
+ *
+ * ABC logic function refers to that sensor itself do zero point judgment and automatic calibration procedure
+ * intelligently after a continuous operation period. The automatic calibration cycle is every 24 hours after powered on.
+ *
+ * The zero point of automatic calibration is 400ppm.
+ *
+ * This function is usually suitable for indoor air quality monitor such as offices, schools and homes,
+ * not suitable for greenhouse, farm and refrigeratory where this function should be off.
+ *
+ * Please do zero calibration timely, such as manual or commend calibration.
+\*********************************************************************************************/
+
+#define MHZ19_ABC_ENABLE             1       // Automatic Baseline Correction (0 = off, 1 = on (default))
+
+/*********************************************************************************************/
+
+#define MHZ19_BAUDRATE               9600
+#define MHZ19_READ_TIMEOUT           600     // Must be way less than 1000
+
+const char kMhz19Types[] PROGMEM = "MHZ19|MHZ19B";
+
+const byte mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
+const byte mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
+const byte mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
+
+uint8_t mhz19_type = 0;
+uint16_t mhz19_last_ppm = 0;
+uint8_t mhz19_filter = MHZ19_FILTER_OPTION;
+byte mhz19_response[9];
+bool mhz19_abc_enable = MHZ19_ABC_ENABLE;
+bool mhz19_abc_must_apply = false;
+char mhz19_types[7];
+
+bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
+{
+  if (1 == s) {
+    return false;            // S==1 => "A" version sensor bootup, do not use values.
+  }
+  if (mhz19_last_ppm < 400 || mhz19_last_ppm > 5000) {
+    // Prevent unrealistic values during start-up with filtering enabled.
+    // Just assume the entered value is correct.
+    mhz19_last_ppm = ppm;
+    return true;
+  }
+  int32_t difference = ppm - mhz19_last_ppm;
+  if (s > 0 && s < 64 && mhz19_filter != MHZ19_FILTER_OFF) {
+    // Not the "B" version of the sensor, S value is used.
+    // S==0 => "B" version, else "A" version
+    // The S value is an indication of the stability of the reading.
+    // S == 64 represents a stable reading and any lower value indicates (unusual) fast change.
+    // Now we increase the delay filter for low values of S and increase response time when the
+    // value is more stable.
+    // This will make the reading useful in more turbulent environments,
+    // where the sensor would report more rapid change of measured values.
+    difference = difference * s;
+    difference /= 64;
+  }
+  switch (mhz19_filter) {
+    case MHZ19_FILTER_OFF: {
+      if (s != 0 && s != 64) {
+        return false;
+      }
+      break;
+    }
+    // #Samples to reach >= 75% of step response
+    case MHZ19_FILTER_OFF_ALLSAMPLES:
+      break;                 // No Delay
+    case MHZ19_FILTER_FAST:
+      difference /= 2;
+      break;                 // Delay: 2 samples
+    case MHZ19_FILTER_MEDIUM:
+      difference /= 4;
+      break;                 // Delay: 5 samples
+    case MHZ19_FILTER_SLOW:
+      difference /= 8;
+      break;                 // Delay: 11 samples
+  }
+  mhz19_last_ppm = static_cast<uint16_t>(mhz19_last_ppm + difference);
+  return true;
+}
+
+bool Mhz19Read(uint16_t &p, float &t)
+{
+  bool status = false;
+
+  p = 0;
+  t = NAN;
+
+  if (mhz19_type)
+  {
+    SoftSerial->flush();
+    if (SoftSerial->write(mhz19_cmnd_read_ppm, 9) != 9) {
+      return false;          // Unable to send 9 bytes
+    }
+    memset(mhz19_response, 0, sizeof(mhz19_response));
+    uint32_t start = millis();
+    uint8_t counter = 0;
+    while (((millis() - start) < MHZ19_READ_TIMEOUT) && (counter < 9)) {
+      if (SoftSerial->available() > 0) {
+        mhz19_response[counter++] = SoftSerial->read();
+      } else {
+        delay(10);
+      }
+    }
+    if (counter < 9){
+      return false;          // Timeout while trying to read
+    }
+
+    byte crc = 0;
+    for (uint8_t i = 1; i < 8; i++) {
+      crc += mhz19_response[i];
+    }
+    crc = 255 - crc;
+    crc++;
+
+/*
+    // Test data
+    mhz19_response[0] = 0xFF;
+    mhz19_response[1] = 0x86;
+    mhz19_response[2] = 0x12;
+    mhz19_response[3] = 0x86;
+    mhz19_response[4] = 64;
+//    mhz19_response[5] = 32;
+    mhz19_response[8] = crc;
+*/
+
+    if (0xFF == mhz19_response[0] && 0x86 == mhz19_response[1] && mhz19_response[8] == crc)  {
+      uint16_t u = (mhz19_response[6] << 8) | mhz19_response[7];
+      if (15000 == u) {      // During (and only ever at) sensor boot, 'u' is reported as 15000
+        if (!mhz19_abc_enable) {
+          // After bootup of the sensor the ABC will be enabled.
+          // Thus only actively disable after bootup.
+          mhz19_abc_must_apply = true;
+        }
+      } else {
+        uint16_t ppm = (mhz19_response[2] << 8) | mhz19_response[3];
+        t = ConvertTemp((float)mhz19_response[4] - 40);
+        uint8_t s = mhz19_response[5];
+        if (s) {
+          mhz19_type = 1;
+        } else {
+          mhz19_type = 2;
+        }
+        if (Mhz19CheckAndApplyFilter(ppm, s)) {
+          p = mhz19_last_ppm;
+
+          if (0 == s || 64 == s) {  // Reading is stable.
+            if (mhz19_abc_must_apply) {
+              mhz19_abc_must_apply = false;
+              if (mhz19_abc_enable) {
+                SoftSerial->write(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
+              } else {
+                SoftSerial->write(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
+              }
+            }
+          }
+
+          status = true;
+        }
+      }
+    }
+  }
+  return status;
+}
+
+void Mhz19Init()
+{
+  SoftSerial = new SoftwareSerial(pin[GPIO_MHZ_RXD], pin[GPIO_MHZ_TXD]);
+  SoftSerial->begin(9600);
+
+
+  mhz19_type = 1;
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_SNS_CO2[] PROGMEM =
+  "%s{s}%s " D_CO2 "{m}%d " D_UNIT_PPM "{e}";  // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
+#endif  // USE_WEBSERVER
+
+void Mhz19Show(boolean json)
+{
+  uint16_t co2;
+  float t;
+
+  if (Mhz19Read(co2, t)) {
+    char temperature[10];
+    dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+    GetTextIndexed(mhz19_types, sizeof(mhz19_types), mhz19_type -1, kMhz19Types);
+
+    if (json) {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_CO2 "\":%d,\"" D_TEMPERATURE "\":%s}"), mqtt_data, mhz19_types, co2, temperature);
+#ifdef USE_DOMOTICZ
+      DomoticzSensor(DZ_COUNT, co2);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+    } else {
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_CO2, mqtt_data, mhz19_types, co2);
+      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, mhz19_types, temperature, TempUnit());
+#endif  // USE_WEBSERVER
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_15
+
+boolean Xsns15(byte function)
+{
+  boolean result = false;
+
+  if ((pin[GPIO_MHZ_RXD] < 99) && (pin[GPIO_MHZ_TXD] < 99)) {
+    switch (function) {
+      case FUNC_XSNS_INIT:
+        Mhz19Init();
+        break;
+      case FUNC_XSNS_PREP:
+//        Mhz19Prep();
+        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Mhz19Show(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Mhz19Show(0);
+//        Mhz19Prep();
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_MHZ19_SOFT_SERIAL_OBSOLETE

From 7013f4a1783c43bd15466f1804514bc906e7d213 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Fri, 8 Dec 2017 14:16:17 +0100
Subject: [PATCH 09/10] Removed obsolete file

---
 sonoff/xsns_15_mhz.ino | 277 -----------------------------------------
 1 file changed, 277 deletions(-)
 delete mode 100644 sonoff/xsns_15_mhz.ino

diff --git a/sonoff/xsns_15_mhz.ino b/sonoff/xsns_15_mhz.ino
deleted file mode 100644
index 594540b5a..000000000
--- a/sonoff/xsns_15_mhz.ino
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
-  xsns_15_mhz.ino - MH-Z19 CO2 sensor support for Sonoff-Tasmota
-
-  Copyright (C) 2017  Theo Arends
-
-  This program is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifdef USE_MHZ19
-/*********************************************************************************************\
- * MH-Z19 - CO2 sensor
- *
- * Supported on hardware serial interface only due to lack of iram needed by SoftwareSerial
- *
- * Based on EspEasy plugin P049 by Dmitry (rel22 ___ inbox.ru)
- *
- **********************************************************************************************
- * Filter usage
- *
- * Select filter usage on low stability readings
-\*********************************************************************************************/
-
-enum Mhz19FilterOptions {MHZ19_FILTER_OFF, MHZ19_FILTER_OFF_ALLSAMPLES, MHZ19_FILTER_FAST, MHZ19_FILTER_MEDIUM, MHZ19_FILTER_SLOW};
-
-#define MHZ19_FILTER_OPTION          MHZ19_FILTER_FAST
-
-/*********************************************************************************************\
- * Source: http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
- *
- * Automatic Baseline Correction (ABC logic function)
- *
- * ABC logic function refers to that sensor itself do zero point judgment and automatic calibration procedure
- * intelligently after a continuous operation period. The automatic calibration cycle is every 24 hours after powered on.
- *
- * The zero point of automatic calibration is 400ppm.
- *
- * This function is usually suitable for indoor air quality monitor such as offices, schools and homes,
- * not suitable for greenhouse, farm and refrigeratory where this function should be off.
- *
- * Please do zero calibration timely, such as manual or commend calibration.
-\*********************************************************************************************/
-
-#define MHZ19_ABC_ENABLE             1       // Automatic Baseline Correction (0 = off, 1 = on (default))
-
-/*********************************************************************************************/
-
-#define MHZ19_BAUDRATE               9600
-#define MHZ19_READ_TIMEOUT           600     // Must be way less than 1000
-
-const char kMhz19Types[] PROGMEM = "MHZ19|MHZ19B";
-
-const byte mhz19_cmnd_read_ppm[9] =    {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
-const byte mhz19_cmnd_abc_enable[9] =  {0xFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0xE6};
-const byte mhz19_cmnd_abc_disable[9] = {0xFF, 0x01, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86};
-
-uint8_t mhz19_type = 0;
-uint16_t mhz19_last_ppm = 0;
-uint8_t mhz19_filter = MHZ19_FILTER_OPTION;
-byte mhz19_response[9];
-bool mhz19_abc_enable = MHZ19_ABC_ENABLE;
-bool mhz19_abc_must_apply = false;
-char mhz19_types[7];
-
-bool Mhz19CheckAndApplyFilter(uint16_t ppm, uint8_t s)
-{
-  if (1 == s) {
-    return false;            // S==1 => "A" version sensor bootup, do not use values.
-  }
-  if (mhz19_last_ppm < 400 || mhz19_last_ppm > 5000) {
-    // Prevent unrealistic values during start-up with filtering enabled.
-    // Just assume the entered value is correct.
-    mhz19_last_ppm = ppm;
-    return true;
-  }
-  int32_t difference = ppm - mhz19_last_ppm;
-  if (s > 0 && s < 64 && mhz19_filter != MHZ19_FILTER_OFF) {
-    // Not the "B" version of the sensor, S value is used.
-    // S==0 => "B" version, else "A" version
-    // The S value is an indication of the stability of the reading.
-    // S == 64 represents a stable reading and any lower value indicates (unusual) fast change.
-    // Now we increase the delay filter for low values of S and increase response time when the
-    // value is more stable.
-    // This will make the reading useful in more turbulent environments,
-    // where the sensor would report more rapid change of measured values.
-    difference = difference * s;
-    difference /= 64;
-  }
-  switch (mhz19_filter) {
-    case MHZ19_FILTER_OFF: {
-      if (s != 0 && s != 64) {
-        return false;
-      }
-      break;
-    }
-    // #Samples to reach >= 75% of step response
-    case MHZ19_FILTER_OFF_ALLSAMPLES:
-      break;                 // No Delay
-    case MHZ19_FILTER_FAST:
-      difference /= 2;
-      break;                 // Delay: 2 samples
-    case MHZ19_FILTER_MEDIUM:
-      difference /= 4;
-      break;                 // Delay: 5 samples
-    case MHZ19_FILTER_SLOW:
-      difference /= 8;
-      break;                 // Delay: 11 samples
-  }
-  mhz19_last_ppm = static_cast<uint16_t>(mhz19_last_ppm + difference);
-  return true;
-}
-
-bool Mhz19Read(uint16_t &p, float &t)
-{
-  bool status = false;
-
-  p = 0;
-  t = NAN;
-
-  if (mhz19_type)
-  {
-    Serial.flush();
-    if (Serial.write(mhz19_cmnd_read_ppm, 9) != 9) {
-      return false;          // Unable to send 9 bytes
-    }
-    memset(mhz19_response, 0, sizeof(mhz19_response));
-    uint32_t start = millis();
-    uint8_t counter = 0;
-    while (((millis() - start) < MHZ19_READ_TIMEOUT) && (counter < 9)) {
-      if (Serial.available() > 0) {
-        mhz19_response[counter++] = Serial.read();
-      } else {
-        delay(10);
-      }
-    }
-    if (counter < 9){
-      return false;          // Timeout while trying to read
-    }
-
-    byte crc = 0;
-    for (uint8_t i = 1; i < 8; i++) {
-      crc += mhz19_response[i];
-    }
-    crc = 255 - crc;
-    crc++;
-
-/*
-    // Test data
-    mhz19_response[0] = 0xFF;
-    mhz19_response[1] = 0x86;
-    mhz19_response[2] = 0x12;
-    mhz19_response[3] = 0x86;
-    mhz19_response[4] = 64;
-//    mhz19_response[5] = 32;
-    mhz19_response[8] = crc;
-*/
-
-    if (0xFF == mhz19_response[0] && 0x86 == mhz19_response[1] && mhz19_response[8] == crc)  {
-      uint16_t u = (mhz19_response[6] << 8) | mhz19_response[7];
-      if (15000 == u) {      // During (and only ever at) sensor boot, 'u' is reported as 15000
-        if (!mhz19_abc_enable) {
-          // After bootup of the sensor the ABC will be enabled.
-          // Thus only actively disable after bootup.
-          mhz19_abc_must_apply = true;
-        }
-      } else {
-        uint16_t ppm = (mhz19_response[2] << 8) | mhz19_response[3];
-        t = ConvertTemp((float)mhz19_response[4] - 40);
-        uint8_t s = mhz19_response[5];
-        if (s) {
-          mhz19_type = 1;
-        } else {
-          mhz19_type = 2;
-        }
-        if (Mhz19CheckAndApplyFilter(ppm, s)) {
-          p = mhz19_last_ppm;
-
-          if (0 == s || 64 == s) {  // Reading is stable.
-            if (mhz19_abc_must_apply) {
-              mhz19_abc_must_apply = false;
-              if (mhz19_abc_enable) {
-                Serial.write(mhz19_cmnd_abc_enable, 9);   // Sent sensor ABC Enable
-              } else {
-                Serial.write(mhz19_cmnd_abc_disable, 9);  // Sent sensor ABC Disable
-              }
-            }
-          }
-
-          status = true;
-        }
-      }
-    }
-  }
-  return status;
-}
-
-void Mhz19Init()
-{
-  SetSerialBaudrate(MHZ19_BAUDRATE);
-  Serial.flush();
-
-  seriallog_level = 0;
-  mhz19_type = 1;
-}
-
-#ifdef USE_WEBSERVER
-const char HTTP_SNS_CO2[] PROGMEM =
-  "%s{s}%s " D_CO2 "{m}%d " D_UNIT_PPM "{e}";  // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
-#endif  // USE_WEBSERVER
-
-void Mhz19Show(boolean json)
-{
-  uint16_t co2;
-  float t;
-
-  if (Mhz19Read(co2, t)) {
-    char temperature[10];
-    dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
-    GetTextIndexed(mhz19_types, sizeof(mhz19_types), mhz19_type -1, kMhz19Types);
-
-    if (json) {
-      snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"%s\":{\"" D_CO2 "\":%d,\"" D_TEMPERATURE "\":%s}"), mqtt_data, mhz19_types, co2, temperature);
-#ifdef USE_DOMOTICZ
-      DomoticzSensor(DZ_COUNT, co2);
-#endif  // USE_DOMOTICZ
-#ifdef USE_WEBSERVER
-    } else {
-      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_CO2, mqtt_data, mhz19_types, co2);
-      snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, mhz19_types, temperature, TempUnit());
-#endif  // USE_WEBSERVER
-    }
-  }
-}
-
-/*********************************************************************************************\
- * Interface
-\*********************************************************************************************/
-
-#define XSNS_15
-
-boolean Xsns15(byte function)
-{
-  boolean result = false;
-
-  if ((pin[GPIO_MHZ_RXD] < 99) && (pin[GPIO_MHZ_TXD] < 99)) {
-    switch (function) {
-      case FUNC_XSNS_INIT:
-        Mhz19Init();
-        break;
-      case FUNC_XSNS_PREP:
-//        Mhz19Prep();
-        break;
-      case FUNC_XSNS_JSON_APPEND:
-        Mhz19Show(1);
-        break;
-#ifdef USE_WEBSERVER
-      case FUNC_XSNS_WEB:
-        Mhz19Show(0);
-//        Mhz19Prep();
-        break;
-#endif  // USE_WEBSERVER
-    }
-  }
-  return result;
-}
-
-#endif  // USE_MHZ19

From 97513fa2ff37d463e4e34361f588ce4f3cbcc3d2 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Fri, 8 Dec 2017 14:43:46 +0100
Subject: [PATCH 10/10] Update and Add SHT3X_V3 driver (#1314)

* Add alternative support for SHT3x enabled with define USE_SHT3X_V2 in
user_config.h (#1314)
 * Add alternative support for SHT3x enabled with
define USE_SHT3X_V3 in user_config.h (#1314)
---
 sonoff/_releasenotes.ino    |   3 +-
 sonoff/user_config.h        |   1 +
 sonoff/xsns_14_sht3x.ino    |   2 +-
 sonoff/xsns_14_sht3x_v2.ino |   2 +-
 sonoff/xsns_14_sht3x_v3.ino | 156 ++++++++++++++++++++++++++++++++++++
 5 files changed, 161 insertions(+), 3 deletions(-)
 create mode 100644 sonoff/xsns_14_sht3x_v3.ino

diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 050f18188..21590a95d 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -10,7 +10,8 @@
  * Add multipress support and more user configurable options to Sonoff Dual R2 (#1291)
  * Fix Sonoff Bridge missed learned key if learned data contains 0x55 (End of Transmission) flag (#1095, #1294)
  * Add support for TSL2561 using adafruit library (#661, #1311)
- * Add alternative support for SHT3x (#1314)
+ * Add alternative support for SHT3x enabled with define USE_SHT3X_V2 in user_config.h (#1314)
+ * Add alternative support for SHT3x enabled with define USE_SHT3X_V3 in user_config.h (#1314)
  *
  * 5.10.0 20171201
  * Upgrade library ArduinoJson to 5.11.2
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index c0ceae097..ffd4c6d39 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -171,6 +171,7 @@
   #define USE_SHT                                // Add I2C emulating code for SHT1X sensor (+1k4 code)
 //  #define USE_SHT3X                              // Add I2C code for SHT3x sensor based on Adafruit (+0k7 code)
 //  #define USE_SHT3X_V2                           // Add I2C code for SHT3x sensor based on EspEasy (+0k7 code)
+//  #define USE_SHT3X_V3                           // Add I2C code for SHT3x sensor based on Wemos (+0k7 code)
   #define USE_HTU                                // Add I2C code for HTU21/SI7013/SI7020/SI7021 sensor (+1k5 code)
   #define USE_BMP                                // Add I2C code for BMP085/BMP180/BMP280/BME280 sensor (+4k code)
 //    #define USE_BME680                           // Add additional support for BME680 sensor using Adafruit Sensor and BME680 libraries (+6k code)
diff --git a/sonoff/xsns_14_sht3x.ino b/sonoff/xsns_14_sht3x.ino
index 6b38cf661..420e8d078 100644
--- a/sonoff/xsns_14_sht3x.ino
+++ b/sonoff/xsns_14_sht3x.ino
@@ -64,7 +64,7 @@ bool Sht3xRead(float &t, float &h)
 //  }
   t = ConvertTemp((float)((((data[0] << 8) | data[1]) * 175) / 65535.0) - 45);
   h = (float)((((data[3] << 8) | data[4]) * 100) / 65535.0);
-  return (!isnan(t) && !isnan(h));
+  return true;
 }
 
 /********************************************************************************************/
diff --git a/sonoff/xsns_14_sht3x_v2.ino b/sonoff/xsns_14_sht3x_v2.ino
index b048c0c0f..5329b373b 100644
--- a/sonoff/xsns_14_sht3x_v2.ino
+++ b/sonoff/xsns_14_sht3x_v2.ino
@@ -61,7 +61,7 @@ bool Sht3xRead(float &t, float &h)
   }
   t = ConvertTemp((float)((((data[0] << 8) | data[1]) * 175) / 65535.0) - 45);
   h = (float)((((data[3] << 8) | data[4]) * 100) / 65535.0);
-  return (!isnan(t) && !isnan(h));
+  return true;
 }
 
 /********************************************************************************************/
diff --git a/sonoff/xsns_14_sht3x_v3.ino b/sonoff/xsns_14_sht3x_v3.ino
new file mode 100644
index 000000000..cfc933afb
--- /dev/null
+++ b/sonoff/xsns_14_sht3x_v3.ino
@@ -0,0 +1,156 @@
+/*
+  xsns_14_sht3x.ino - SHT3X temperature and humidity sensor support for Sonoff-Tasmota
+
+  Copyright (C) 2017  Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_I2C
+#ifdef USE_SHT3X_V3
+/*********************************************************************************************\
+ * SHT3X - Temperature and Humidy
+ *
+ * Required library: none but based on Wemos library
+ *
+ * I2C Address: 0x44 or 0x45
+\*********************************************************************************************/
+
+#define SHT3X_ADDR_GND      0x44  // address pin low (GND)
+#define SHT3X_ADDR_VDD      0x45  // address pin high (VDD)
+
+uint8_t sht3x_type = 0;
+uint8_t sht3x_address;
+uint8_t sht3x_addresses[] = { SHT3X_ADDR_GND, SHT3X_ADDR_VDD };
+
+bool Sht3xConvert()
+{
+  if (sht3x_type) {
+    // Start I2C Transmission
+    Wire.beginTransmission(sht3x_address);
+    // Send measurement command
+    Wire.write(0x2C);
+    Wire.write(0x06);
+    // Stop I2C transmission
+    if (Wire.endTransmission() != 0) {
+      return false;
+    }
+  }
+  return true;
+}
+
+bool Sht3xRead(float &t, float &h)
+{
+  unsigned int data[6];
+
+  t = NAN;
+  h = NAN;
+
+  // Request 6 bytes of data
+  Wire.requestFrom(sht3x_address, (uint8_t)6);
+  // Read 6 bytes of data
+  // cTemp msb, cTemp lsb, cTemp crc, humidity msb, humidity lsb, humidity crc
+  for (int i = 0; i < 6; i++) {
+    data[i] = Wire.read();
+  };
+  delay(50);
+  if (Wire.available() != 0) {
+    return false;
+  }
+	// Convert the data
+  t = ConvertTemp((float)((((data[0] << 8) | data[1]) * 175) / 65535.0) - 45);
+  h = (float)((((data[3] << 8) | data[4]) * 100) / 65535.0);
+  return true;
+}
+
+/********************************************************************************************/
+
+void Sht3xDetect()
+{
+  if (sht3x_type) {
+    return;
+  }
+
+  sht3x_type = 1;
+  for (byte i = 0; i < sizeof(sht3x_addresses); i++) {
+    sht3x_address = sht3x_addresses[i];
+    if (Sht3xConvert()) {
+      snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "SHT3X", sht3x_address);
+      AddLog(LOG_LEVEL_DEBUG);
+      return;
+    }
+  }
+  sht3x_type = 0;
+}
+
+void Sht3xShow(boolean json)
+{
+  if (sht3x_type) {
+    float t;
+    float h;
+    if (Sht3xRead(t, h)) {
+      char temperature[10];
+      char humidity[10];
+      dtostrfd(t, Settings.flag2.temperature_resolution, temperature);
+      dtostrfd(h, Settings.flag2.humidity_resolution, humidity);
+
+      if (json) {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), JSON_SNS_TEMPHUM, mqtt_data, "SHT3X", temperature, humidity);
+#ifdef USE_DOMOTICZ
+        DomoticzTempHumSensor(temperature, humidity);
+#endif  // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+      } else {
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, "SHT3X", temperature, TempUnit());
+        snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_HUM, mqtt_data, "SHT3X", humidity);
+#endif  // USE_WEBSERVER
+      }
+    }
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_14
+
+boolean Xsns14(byte function)
+{
+  boolean result = false;
+
+  if (i2c_flg) {
+    switch (function) {
+      case FUNC_XSNS_INIT:
+        Sht3xDetect();
+        break;
+      case FUNC_XSNS_PREP:
+        Sht3xConvert();
+        break;
+      case FUNC_XSNS_JSON_APPEND:
+        Sht3xShow(1);
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_XSNS_WEB:
+        Sht3xShow(0);
+        Sht3xConvert();
+        break;
+#endif  // USE_WEBSERVER
+    }
+  }
+  return result;
+}
+
+#endif  // USE_SHT3X_V3
+#endif  // USE_I2C
\ No newline at end of file