Update library Joba_Tsl2561 from 2.0.7 to 2.0.10

Update library Joba_Tsl2561 from 2.0.7 to 2.0.10

lib/Joba_Tsl2561-2.0.10/.gitignore

@@ -0,0 +1,8 @@
+.pioenvs
+.piolibdeps
+.clang_complete
+.gcc-flags.json
+examples/*/platformio.ini
+examples/*/lib
+examples/*/.gitignore
+examples/*/.travis.yml

lib/Joba_Tsl2561-2.0.10/.hgignore

@@ -0,0 +1,4 @@
+.pioenvs
+.piolibdeps
+.clang_complete
+.gcc-flags.json

lib/Joba_Tsl2561-2.0.10/.travis.yml

@@ -0,0 +1,55 @@
+# Continuous Integration (CI) is the practice, in software
+# engineering, of merging all developer working copies with a shared mainline
+# several times a day < http://docs.platformio.org/page/ci/index.html >
+#
+# Documentation:
+#
+# * Travis CI Embedded Builds with PlatformIO
+#   < https://docs.travis-ci.com/user/integration/platformio/ >
+#
+# * PlatformIO integration with Travis CI
+#   < http://docs.platformio.org/page/ci/travis.html >
+#
+# * User Guide for `platformio ci` command
+#   < http://docs.platformio.org/page/userguide/cmd_ci.html >
+#
+#
+# Please choice one of the following templates (proposed below) and uncomment
+# it (remove "# " before each line) or use own configuration according to the
+# Travis CI documentation (see above).
+#
+
+
+#
+# Template #1: General project. Test it using existing `platformio.ini`.
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# install:
+#     - pip install -U platformio
+#
+# script:
+#     - platformio run
+
+
+#
+# Template #2: The project is intended to by used as a library with examples
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# env:
+#     - PLATFORMIO_CI_SRC=path/to/test/file.c
+#     - PLATFORMIO_CI_SRC=examples/file.ino
+#     - PLATFORMIO_CI_SRC=path/to/test/directory
+#
+# install:
+#     - pip install -U platformio
+#
+# script:
+#     - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

lib/Joba_Tsl2561-2.0.10/README

@@ -1,4 +1,4 @@
-This is a library for the TSL2561 digital luminosity sensors from Ams (Taos).
+This is an Arduino library for the TSL2561 digital luminosity sensors from Ams (Taos).
 
 Design goals:
 * It is modularized so you can use only what you need if space/ram is constrained.
@@ -18,3 +18,5 @@ The library has 3 classes:
 Tsl2561     All register access as described in the datasheet, except for interrupts
 Tsl2561Util Convenience functions like lux calculation or automatic gain
 Tsl2561Int  TODO, Interrupt related stuff (not needed if int pin unconnected)
+
+Tested with boards Nano, ESP8266 and ESP32

lib/Joba_Tsl2561-2.0.10/examples/Autogain/Autogain.ino

@@ -21,7 +21,7 @@ This file is part of the Joba_Tsl2561 Library.
 
 #include <Tsl2561Util.h>
 
-// to mimic Serial.printf() of esp8266 core for other platforms
+// to mimic Serial.printf() of esp cores for other platforms
 char *format( const char *fmt, ... ) {
   static char buf[128];
   va_list arg;
@@ -37,7 +37,7 @@ uint8_t id;
 
 void setup() {
   Serial.begin(115200);
-  Wire.begin();
+  Wire.begin(TSL2561_SDA, TSL2561_SCL);
   while( !Tsl.begin() )
     ; // wait until chip detected or wdt reset
   Serial.println("\nStarting Tsl2561Util autogain loop");

lib/Joba_Tsl2561-2.0.10/examples/Simple/Simple.ino

@@ -21,7 +21,7 @@ This file is part of the Joba_Tsl2561 Library.
 
 #include <Tsl2561.h>
 
-// to mimic Serial.printf() of esp8266 core for other platforms
+// to mimic Serial.printf() of esp cores for other platforms
 char *format( const char *fmt, ... ) {
   static char buf[128];
   va_list arg;
@@ -36,7 +36,7 @@ Tsl2561 Tsl(Wire);
 
 void setup() {
   Serial.begin(115200);
-  Wire.begin();
+  Wire.begin(TSL2561_SDA, TSL2561_SCL);
   Serial.println("\nStarting Tsl2561 simple loop");
 }
 
@@ -60,7 +60,7 @@ void loop() {
     Tsl.off();
   }
   else {
-    Serial.println("No Tsl2561 found. Check wiring.");
+    Serial.print(format("No Tsl2561 found. Check wiring: SCL=%u, SDA=%u\n", TSL2561_SCL, TSL2561_SDA));
   }
 
   delay(5000);

lib/Joba_Tsl2561-2.0.10/examples/Testing/Testing.ino

@@ -22,7 +22,7 @@ This file is part of the Joba_Tsl2561 Library.
 
 #include <Tsl2561.h>
 
-// to mimic Serial.printf() of esp8266 core for other platforms
+// to mimic Serial.printf() of esp cores for other platforms
 char *format( const char *fmt, ... ) {
   static char buf[128];
   va_list arg;
@@ -158,7 +158,7 @@ void test( Tsl2561 &tsl ) {
 
 void setup() {
   Serial.begin(115200);
-  Wire.begin();
+  Wire.begin(TSL2561_SDA, TSL2561_SCL);
   Serial.println("\nStarting Tsl2561 testing loop");
 }
 

lib/Joba_Tsl2561-2.0.10/examples/Utility/Utility.ino

@@ -21,7 +21,7 @@ This file is part of the Joba_Tsl2561 Library.
 
 #include <Tsl2561Util.h>
 
-// to mimic Serial.printf() of esp8266 core for other platforms
+// to mimic Serial.printf() of esp cores for other platforms
 char *format( const char *fmt, ... ) {
   static char buf[128];
   va_list arg;
@@ -37,7 +37,7 @@ Tsl2561 Tsl(Wire);
 
 void setup() {
   Serial.begin(115200);
-  Wire.begin();
+  Wire.begin(TSL2561_SDA, TSL2561_SCL);
   Serial.println("\nStarting Tsl2561Util loop");
 }
 
@@ -91,7 +91,7 @@ void loop() {
   }
 
   if( !found ) {
-    Serial.println("No Tsl2561 found. Check wiring.");
+    Serial.print(format("No Tsl2561 found. Check wiring: SCL=%u, SDA=%u\n", TSL2561_SCL, TSL2561_SDA));
   }
 
   delay(5000);

lib/Joba_Tsl2561-2.0.10/examples/platformio.ini

@@ -18,9 +18,13 @@
 
 
 [platformio]
+src_dir = .
+lib_dir = ../..
+
 ; uncomment one, if you want to build only one
 ; env_default = nodemcuv2
 ; env_default = nano328
+; env_default = espressif32
 
 
 [env:nodemcuv2]
@@ -28,12 +32,12 @@
 ; ------------
 ; GND <-> GND
 ; VCC <-> 3V
-; SCL <-> D1
+; SCL <-> D1 (other pin can be defined below)
-; SDA <-> D2
+; SDA <-> D2 (other pin can be defined below)
 platform = espressif8266
 board = nodemcuv2
 framework = arduino
-build_flags = -Wall
+build_flags = -Wall -DTSL2561_SCL=D1 -DTSL2561_SDA=D2
 
 monitor_speed = 115200
 
@@ -53,6 +57,25 @@ upload_resetmethod = nodemcu
 platform = atmelavr
 board = nanoatmega328
 framework = arduino
-build_flags = -Wall
+build_flags = -Wall -DTSL2561_SCL=A5 -DTSL2561_SDA=A4
 
 monitor_speed = 115200
+;upload_port = /dev/ttyUSB[1-9]
+
+
+[env:espressif32]
+; TSL <-> ESP32
+; ------------
+; GND <-> GND
+; VCC <-> 3V
+; SCL <-> IO22 (other pin can be defined below)
+; SDA <-> IO21 (other pin can be defined below)
+platform = espressif32
+board = mhetesp32minikit
+framework = arduino
+build_flags = -Wall -DTSL2561_SCL=22 -DTSL2561_SDA=21
+
+monitor_speed = 115200
+
+upload_speed = 921600
+;upload_port = /dev/ttyUSB[1-9]

lib/Joba_Tsl2561-2.0.10/library.json

@@ -1,8 +1,8 @@
 {
   "name": "Joba_Tsl2561",
-  "version": "2.0.7",
+  "version": "2.0.10",
   "keywords": "twowire, i2c, bus, sensor, luminosity, illuminance, lux",
-  "description": "Arduino Library for ams (taos) luminance chip Tsl2561 with autogain",
+  "description": "Arduino library for ams (taos) luminance chip Tsl2561 with autogain. Tested with Nano, Esp8266 and Esp32.",
   "repository":
   {
     "type": "git",

lib/Joba_Tsl2561-2.0.10/library.properties

@@ -1,9 +1,9 @@
 name=Joba Tsl2561 Library
-version=2.0.7
+version=2.0.10
 author=joba-1
 maintainer=joba-1 <joban123.psn@gmail.com>
 sentence=IoT library for using the Tsl2561 luminosity sensor
-paragraph=Luminosity measurement in lux with autogain
+paragraph=Luminosity measurement in lux with autogain. Tested with Nano, Esp8266 and Esp32.
 category=Sensors
 url=https://github.com/joba-1/Joba_Tsl2561
 architectures=*

lib/Joba_Tsl2561-2.0.10/platformio.ini

@@ -18,20 +18,19 @@
 
 
 [platformio]
-src_dir = .
-lib_dir = ../..
-
 ; uncomment one, if you want to build only one
 ; env_default = nodemcuv2
 ; env_default = nano328
+; env_default = espressif32
+
 
 [env:nodemcuv2]
 ; TSL <-> ESP8266
 ; ------------
 ; GND <-> GND
 ; VCC <-> 3V
-; SCL <-> D1
+; SCL <-> D1 (other pin can be defined below)
-; SDA <-> D2
+; SDA <-> D2 (other pin can be defined below)
 platform = espressif8266
 board = nodemcuv2
 framework = arduino
@@ -58,4 +57,21 @@ framework = arduino
 build_flags = -Wall
 
 monitor_speed = 115200
+
+
+[env:espressif32]
+; TSL <-> ESP32
+; ------------
+; GND <-> GND
+; VCC <-> 3V
+; SCL <-> IO22 (other pin can be defined below)
+; SDA <-> IO21 (other pin can be defined below)
+platform = espressif32
+board = mhetesp32minikit
+framework = arduino
+build_flags = -Wall -DTSL2561_SCL=22 -DTSL2561_SDA=21
+
+monitor_speed = 115200
+
+upload_speed = 921600
 ;upload_port = /dev/ttyUSB[1-9]

lib/Joba_Tsl2561-2.0.10/src/Tsl2561.h

@@ -23,6 +23,14 @@ This file is part of the Joba_Tsl2561 Library.
 #include <Arduino.h>
 #include <Wire.h>
 
+// To be able to override pin definitions in build flags (used in examples)
+#ifndef TSL2561_SDA
+  #define TSL2561_SDA SDA
+#endif
+#ifndef TSL2561_SCL
+  #define TSL2561_SCL SCL
+#endif
+
 class Tsl2561 {
 
 public:

lib/Joba_Tsl2561-2.0.10/src/Tsl2561Util.cpp

@@ -22,9 +22,10 @@ This file is part of the Joba_Tsl2561 Library.
 namespace Tsl2561Util {
 
 // Tsl2561Util::normalizedLuminosity returncode false can mean:
-// - saturation: full and/or ir have value ~0 (aka -1)
+// - saturation: full and/or ir have value ~0 (aka -1) and not shortest exposure
 // - manual exposure time: full and ir are corrected only for gain
-// If true, full and ir have values as if exposure was 402 and gain 16.
+// If true, full and ir have values as if exposure was 402 and gain 16
+//   or ~0 if saturated even at shortest exposure
 bool normalizedLuminosity( bool gain, Tsl2561::exposure_t exposure, uint32_t &full, uint32_t &ir ) {
 
   uint16_t scaledFull = (uint16_t)full;
@@ -39,8 +40,8 @@ bool normalizedLuminosity( bool gain, Tsl2561::exposure_t exposure, uint32_t &fu
 
     switch( exposure ) {
       case Tsl2561::EXP_14:
-        full = (scaledFull >=  5047/4*3) ? 0xffffffff : ((full + 5) * 322) / 11;
+        full = (scaledFull == 5047) ? 0xffffffff : ((full + 5) * 322) / 11;
-        ir   = (scaledIr   >=  5047/4*3) ? 0xffffffff : ((ir   + 5) * 322) / 11;
+        ir   = (scaledIr   == 5047) ? 0xffffffff : ((ir   + 5) * 322) / 11;
         break;
       case Tsl2561::EXP_101:
         full = (scaledFull >= 37177/4*3) ? 0xffffffff : ((full + 40) * 322) / 81;
@@ -54,7 +55,7 @@ bool normalizedLuminosity( bool gain, Tsl2561::exposure_t exposure, uint32_t &fu
         return false;
     }
 
-    return full != 0xffffffff && ir != 0xffffffff;
+    return exposure == Tsl2561::EXP_14 || (full != 0xffffffff && ir != 0xffffffff);
   }
 
   return false;
@@ -93,6 +94,8 @@ bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t
     { true,  Tsl2561::EXP_402 }  // max
   };
 
+  // Serial.printf("autoGain start: gain=%u, expo=%u\n", gain, exposure);
+
   // get current sensitivity
   if( !tsl.getSensitivity(gain, exposure) ) {
     return false; // I2C error
@@ -110,9 +113,10 @@ bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t
     return false; // should not happen...
   }
 
-  // in a loop wait for next sample, get values and adjust sensitivity if needed
+  // sometimes sensor reports high brightness although it is darker.
   uint8_t retryOnSaturated = 10;
 
+  // in a loop wait for next sample, get values and adjust sensitivity if needed
   while( true ) {
     waitNext(exposure);
 
@@ -122,11 +126,14 @@ bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t
 
     uint16_t limit = getLimit(exposure);
     if( full >= 1000 && full <= limit ) {
-      return true; // new value within limits
+      // Serial.printf("autoGain normal full=%u, limits=1000-%u, curr=%u\n", full, limit, curr);
+      return true; // new value within limits of good accuracy
     }
 
+    // adjust sensitivity, if possible
     if( (full < 1000 && ++curr < sizeof(sensitivity)/sizeof(sensitivity[0]))
      || (full > limit && curr-- > 0) ) {
+      // Serial.printf("autoGain adjust full=%u, limits=1000-%u, curr=%u\n", full, limit, curr);
       if( !tsl.setSensitivity(sensitivity[curr].gain, sensitivity[curr].exposure) ) {
         return false; // I2C error
       }
@@ -134,7 +141,10 @@ bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t
       exposure = sensitivity[curr].exposure;
     }
     else {
-      if( ++curr > 0 && retryOnSaturated-- == 0 ) {
+      // sensitivity already is at minimum or maximum
+      if( ++curr > 0 || retryOnSaturated-- == 0 ) {
+        // Serial.printf("autoGain limit full=%u, ir=%u, limits=1000-%u, curr=%u, retry=%u\n", full, ir, limit, curr, retryOnSaturated);
+        // dark, or repeatedly confirmed high brightness
         return true; // saturated, but best we can do
       }
     }
@@ -176,6 +186,11 @@ bool milliLux( uint32_t full, uint32_t ir, uint32_t &mLux, bool csType, uint8_t
     return true;
   }
 
+  if( full == 0xffffffff || ir == 0xffffffff ) {
+    mLux = 99999999; // indicates saturation at shortest exposure
+    return true;
+  }
+
   uint32_t milliRatio = ir * 1000 / full;
 
   if( csType ) {