diff --git a/lib/Joba_Tsl2561/COPYING b/lib/Joba_Tsl2561/COPYING new file mode 100644 index 000000000..f288702d2 --- /dev/null +++ b/lib/Joba_Tsl2561/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. 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Such new +versions will be similar in spirit to the present version, but may +differ in detail to address new problems or concerns. + + Each version is given a distinguishing version number. If the +Library as you received it specifies that a certain numbered version +of the GNU Lesser General Public License "or any later version" +applies to it, you have the option of following the terms and +conditions either of that published version or of any later version +published by the Free Software Foundation. If the Library as you +received it does not specify a version number of the GNU Lesser +General Public License, you may choose any version of the GNU Lesser +General Public License ever published by the Free Software Foundation. + + If the Library as you received it specifies that a proxy can decide +whether future versions of the GNU Lesser General Public License shall +apply, that proxy's public statement of acceptance of any version is +permanent authorization for you to choose that version for the +Library. diff --git a/lib/Joba_Tsl2561/README b/lib/Joba_Tsl2561/README new file mode 100644 index 000000000..86c1f1a0b --- /dev/null +++ b/lib/Joba_Tsl2561/README @@ -0,0 +1,20 @@ +This is a 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. +* It does not swallow error codes so you can react on them. +* It doesn't use floats as they are overkill for most IoT stuff. + +Datasheet used: +http://ams.com/eng/Products/Light-Sensors/Ambient-Light-Sensors/TSL2561/TSL2560-TSL2561-Datasheet +http://ams.com/eng/content/download/250094/975485/file/TSL2560-61_DS000110_2-00.pdf +http://ams.com/eng/content/view/download/145438 +http://ams.com/eng/content/view/download/181895 + +To use the library, just place the folder in your projects lib folder. +For usage, see the examples folder. + +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) diff --git a/lib/Joba_Tsl2561/examples/Autogain/Autogain.ino b/lib/Joba_Tsl2561/examples/Autogain/Autogain.ino new file mode 100644 index 000000000..03da78d46 --- /dev/null +++ b/lib/Joba_Tsl2561/examples/Autogain/Autogain.ino @@ -0,0 +1,65 @@ +/* +Autogain tests for Tsl2561Util namespace. + +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include + +Tsl2561 Tsl(Wire); +uint8_t id; + +void setup() { + Serial.begin(115200); + Wire.begin(); + while( !Tsl.begin() ) + ; // wait until chip detected or wdt reset + Serial.println("\nStarting Tsl2561Util autogain loop"); + Tsl.on(); + Tsl.id(id); +} + +void loop() { + uint16_t scaledFull = ~0, scaledIr = ~0; + uint32_t full = ~0, ir = ~0, milliLux = ~0; + bool gain = false; + Tsl2561::exposure_t exposure = Tsl2561::EXP_OFF; + + if( Tsl2561Util::autoGain(Tsl, gain, exposure, scaledFull, scaledIr) ) { + if( Tsl2561Util::normalizedLuminosity(gain, exposure, full = scaledFull, ir = scaledIr) ) { + if( Tsl2561Util::milliLux(full, ir, milliLux, Tsl2561::packageCS(id)) ) { + Serial.printf("Tsl2561 addr: 0x%02x, id: 0x%02x, sfull: %5u, sir: %5u, full: %5u, ir: %5u, gain: %d, exp: %d, lux: %5u.%03u\n", + Tsl.address(), id, scaledFull, scaledIr, full, ir, gain, exposure, milliLux/1000, milliLux%1000); + } + else { + Serial.printf("Tsl2561Util::milliLux(full=%u, ir=%u) error\n", full, ir); + } + } + else { + Serial.printf("Tsl2561Util::normalizedLuminosity(gain=%u, exposure=%u, sfull=%u, sir=%u, full=%u, ir=%u) error\n", + gain, exposure, scaledFull, scaledIr, full, ir); + } + } + else { + Serial.printf("Tsl2561Util::autoGain(gain=%u, exposure=%u, sfull=%u, sir=%u) error\n", + gain, exposure, scaledFull, scaledIr); + } + + delay(1000); +} + diff --git a/lib/Joba_Tsl2561/examples/Simple/Simple.ino b/lib/Joba_Tsl2561/examples/Simple/Simple.ino new file mode 100644 index 000000000..f1c2d88d9 --- /dev/null +++ b/lib/Joba_Tsl2561/examples/Simple/Simple.ino @@ -0,0 +1,56 @@ +/* +Simple tests for Tsl2561 class. No error checking is done. + +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include + +Tsl2561 Tsl(Wire); + +void setup() { + Serial.begin(115200); + Wire.begin(); + Serial.println("\nStarting Tsl2561 simple loop"); +} + +void loop() { + Tsl.begin(); + if( Tsl.available() ) { + Tsl.on(); + + Tsl.setSensitivity(true, Tsl2561::EXP_14); + delay(16); + + uint8_t id; + uint16_t full, ir; + + Tsl.id(id); + Tsl.fullLuminosity(full); + Tsl.irLuminosity(ir); + + Serial.printf("Tsl2561 at 0x%02x(id=0x%02x) luminosity is %5u (full) and %5u (ir)\n", Tsl.address(), id, full, ir); + + Tsl.off(); + } + else { + Serial.println("No Tsl2561 found. Check wiring."); + } + + delay(5000); +} diff --git a/lib/Joba_Tsl2561/examples/Testing/Testing.ino b/lib/Joba_Tsl2561/examples/Testing/Testing.ino new file mode 100644 index 000000000..8fc6d121a --- /dev/null +++ b/lib/Joba_Tsl2561/examples/Testing/Testing.ino @@ -0,0 +1,163 @@ +/* +Tests for the Tsl2561 class. +It shows how to use every available method. + +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include + +Tsl2561 Tsl(Wire); + +void showError( Tsl2561 &tsl ) { + Tsl2561::status_t status = tsl.status(); + Serial.printf("Error was %u: ", status); + switch( status ) { + case Tsl2561::ERR_OK: Serial.println("None"); break; + case Tsl2561::ERR_RW: Serial.println("Read/Write"); break; + case Tsl2561::ERR_BUSY: Serial.println("Busy"); break; + case Tsl2561::ERR_GONE: Serial.println("Gone"); break; + case Tsl2561::ERR_GENERAL: Serial.println("General"); break; + default: Serial.println("Unknown"); break; + } +} + +void testSensitivity( Tsl2561 &tsl, bool newGain, Tsl2561::exposure_t newExp ) { + if( tsl.on() ) { + uint32_t start = millis(); + Serial.printf("Chip powered on at %u\n", start); + + bool chipGain; + Tsl2561::exposure_t chipExp; + bool change = true; + if( tsl.getSensitivity(chipGain, chipExp) ) { + if( chipGain == newGain && chipExp == newExp ) { + change = false; + } + } + else { + Serial.print("getSensitivity failed. "); + showError(tsl); + } + + bool check = true; + if( change ) { + if( tsl.setSensitivity(newGain, newExp) ) { + Serial.printf("New gain = %d, exposure = 0x%02x\n", newGain, newExp); + } + else { + check = false; + Serial.print("setSensitivity failed. "); + showError(tsl); + } + } + + if( check ) { + uint16_t ir, full = 0; + while( !full && millis() - start < 1000 ) { + if( !tsl.fullLuminosity(full) ) { + Serial.print("Check full luminosity failed. "); + showError(tsl); + } + if( full ) { + if( !tsl.irLuminosity(ir) ) { + Serial.print("Check ir luminosity failed. "); + showError(tsl); + } + } + else { + delay(10); + } + } + + if( !full ) { + Serial.println("No luminosity reading after 1s. Too dark?"); + } + else { + Serial.printf("Got luminosity after %d ms. Full spectrum is %d and IR only is %d\n", millis() - start, full, ir); + } + } + + if( !tsl.off() ) { + Serial.print("Power off failed. "); + showError(tsl); + } + } + else { + Serial.print("Power on failed. "); + showError(tsl); + } +} + +bool testPackage( Tsl2561 &tsl ) { + uint8_t id; + if( tsl.id(id) ) { + Serial.printf("Chip has type %02x and revision %x\n", Tsl2561::type(id), Tsl2561::revision(id) ); + if( Tsl2561::packageT_FN_CL(id) ) { + Serial.println("Chip is a T, FN or CL type package"); + } + else if( Tsl2561::packageCS(id) ) { + Serial.println("Chip is a CS type package"); + } + else { + Serial.println("Chip is an unknown package"); + } + return true; + } + else { + Serial.print("Get Chip ID failed. "); + showError(tsl); + } + return false; +} + +void test( Tsl2561 &tsl ) { + bool ok = tsl.available(); + Serial.printf("\nTesting Tsl2561 at address %02x: %sfound\n", tsl.address(), ok ? "" : "NOT "); + if( ok ) { + if( testPackage(tsl) ) { + testSensitivity(tsl, Tsl2561::GAIN_OFF, Tsl2561::EXP_402); + testSensitivity(tsl, Tsl2561::GAIN_ON, Tsl2561::EXP_402); + testSensitivity(tsl, Tsl2561::GAIN_OFF, Tsl2561::EXP_101); + testSensitivity(tsl, Tsl2561::GAIN_ON, Tsl2561::EXP_101); + testSensitivity(tsl, Tsl2561::GAIN_OFF, Tsl2561::EXP_14); + testSensitivity(tsl, Tsl2561::GAIN_ON, Tsl2561::EXP_14); + } + } + else { + showError(tsl); + } +} + +void setup() { + Serial.begin(115200); + Wire.begin(); + Serial.println("\nStarting Tsl2561 testing loop"); +} + +void loop() { + Tsl.begin(Tsl2561::ADDR_GND); + test(Tsl); + Tsl.begin(Tsl2561::ADDR_FLOAT); + test(Tsl); + Tsl.begin(Tsl2561::ADDR_VDD); + test(Tsl); + Serial.println("\nNext test in 5s\n"); + delay(5000); +} + diff --git a/lib/Joba_Tsl2561/examples/Utility/Utility.ino b/lib/Joba_Tsl2561/examples/Utility/Utility.ino new file mode 100644 index 000000000..58e03ca14 --- /dev/null +++ b/lib/Joba_Tsl2561/examples/Utility/Utility.ino @@ -0,0 +1,87 @@ +/* +Simple tests for Tsl2561Util namespace. + +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include + +Tsl2561::address_t addr[] = { Tsl2561::ADDR_GND, Tsl2561::ADDR_FLOAT, Tsl2561::ADDR_VDD }; +Tsl2561 Tsl(Wire); + +void setup() { + Serial.begin(115200); + Wire.begin(); + Serial.println("\nStarting Tsl2561Util loop"); +} + +void loop() { + bool found = false; + + for( uint8_t i = 0; i < sizeof(addr)/sizeof(addr[0]); i++ ) { + if( Tsl.begin(addr[i]) ) { + found = true; + Serial.println(); + + uint16_t scaledFull = 0, scaledIr; + uint32_t full, ir, milliLux; + uint8_t id; + bool gain; + Tsl2561::exposure_t exposure; + + for( uint8_t g=0; g<2; g++ ) { + gain = g; + for( uint8_t e=0; e<3; e++ ) { + exposure = (Tsl2561::exposure_t)e; + + Tsl.on(); + + Tsl.setSensitivity(gain, exposure); + Tsl2561Util::waitNext(exposure); + Tsl.id(id); + Tsl.getSensitivity(gain, exposure); + Tsl.fullLuminosity(scaledFull); + Tsl.irLuminosity(scaledIr); + + Serial.printf("Tsl2561 addr: 0x%02x, id: 0x%02x, sfull: %5u, sir: %5u, gain: %d, exp: %d", addr[i], id, scaledFull, scaledIr, gain, exposure); + + if( Tsl2561Util::normalizedLuminosity(gain, exposure, full = scaledFull, ir = scaledIr) ) { + if( Tsl2561Util::milliLux(full, ir, milliLux, Tsl2561::packageCS(id)) ) { + Serial.printf(", full: %5u, ir: %5u, lux: %5u.%03u\n", full, ir, milliLux/1000, milliLux%1000); + } + else { + Serial.printf(", full: %5u, ir: %5u: Tsl2561Util::milliLux() error\n", full, ir); + } + } + else { + Serial.printf(", full: %5u, ir: %5u: Tsl2561Util::normalizedLuminosity() error\n", full, ir); + } + + Tsl.off(); + } + } + } + } + + if( !found ) { + Serial.println("No Tsl2561 found. Check wiring."); + } + + delay(5000); +} + diff --git a/lib/Joba_Tsl2561/library.json b/lib/Joba_Tsl2561/library.json new file mode 100644 index 000000000..cacc33d5a --- /dev/null +++ b/lib/Joba_Tsl2561/library.json @@ -0,0 +1,13 @@ +{ + "name": "Joba_Tsl2561", + "version": "2.0.1", + "keywords": "twowire, i2c, bus, sensor, luminosity, illuminance, lux", + "description": "Arduino Library for ams (taos) luminance chip Tsl2561 with autogain", + "repository": + { + "type": "git", + "url": "https://github.com/joba-1/Joba_Tsl2561.git" + }, + "frameworks": "arduino", + "platforms": "*" +} diff --git a/lib/Joba_Tsl2561/library.properties b/lib/Joba_Tsl2561/library.properties new file mode 100644 index 000000000..148736de6 --- /dev/null +++ b/lib/Joba_Tsl2561/library.properties @@ -0,0 +1,9 @@ +name=Joba Tsl2561 Library +version=2.0.1 +author=joba-1 +maintainer=joba-1 +sentence=IoT library for using the Tsl2561 luminosity sensor +paragraph=Luminosity measurement in lux with autogain +category=Sensors +url=https://github.com/joba-1/Joba_Tsl2561 +architectures=* diff --git a/lib/Joba_Tsl2561/src/Tsl2561.cpp b/lib/Joba_Tsl2561/src/Tsl2561.cpp new file mode 100644 index 000000000..ad347f071 --- /dev/null +++ b/lib/Joba_Tsl2561/src/Tsl2561.cpp @@ -0,0 +1,134 @@ +/* +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include "Tsl2561.h" + +Tsl2561::Tsl2561( TwoWire &wire ) : _addr(ADDR_NONE), _wire(wire), _status(ERR_OK) { +} + +bool Tsl2561::available() { + _wire.beginTransmission(_addr); + return (_status = static_cast(_wire.endTransmission())) == ERR_OK; +} + +bool Tsl2561::begin( address_t addr ) { + _addr = addr; + return available(); +} + +bool Tsl2561::begin() { + static address_t addr[] = { ADDR_GND, ADDR_FLOAT, ADDR_VDD }; + + for( uint8_t i=0; i(_wire.read()); + } + } + return (_status = static_cast(_wire.endTransmission())) == ERR_OK; +} + +bool Tsl2561::readWord( register_t reg, uint16_t &val ) { + _wire.beginTransmission(_addr); + _wire.write(reg | CONTROL_CMD); + if( _wire.endTransmission(false) == ERR_OK ) { + if( _wire.requestFrom(_addr, 2) ) { + val = (uint16_t)_wire.read() & 0xff; + val |= ((uint16_t)_wire.read() & 0xff) << 8; + } + } + return (_status = static_cast(_wire.endTransmission())) == ERR_OK; +} + +bool Tsl2561::writeByte( register_t reg, uint8_t val ) { + _wire.beginTransmission(_addr); + _wire.write(reg | CONTROL_CMD); + _wire.write(val); + return (_status = static_cast(_wire.endTransmission())) == ERR_OK; +} + +Tsl2561::status_t Tsl2561::status() const { + return _status; +} + +Tsl2561::address_t Tsl2561::address() const { + return _addr; +} + +bool Tsl2561::id( uint8_t &id ) { + return readByte(REG_ID, id); +} + +uint8_t Tsl2561::type( uint8_t id ) { + return id & PKG_ID; +} + +uint8_t Tsl2561::revision( uint8_t id ) { + return id & PKG_REV; +} + +bool Tsl2561::packageCS( uint8_t id ) { + return type(id) == PKG_CS; +} + +bool Tsl2561::packageT_FN_CL( uint8_t id ) { + return type(id) == PKG_T_FN_CL; +} + +bool Tsl2561::on() { + return writeByte(REG_CONTROL, POWER_ON); +} + +bool Tsl2561::off() { + return writeByte(REG_CONTROL, POWER_OFF); +} + +bool Tsl2561::setSensitivity( bool gain, exposure_t exposure ) { + return writeByte(REG_TIMING, (gain ? GAIN_ON : GAIN_OFF) | exposure); +} + +bool Tsl2561::getSensitivity( bool &gain, exposure_t &exposure ) +{ + uint8_t val; + if( readByte(REG_TIMING, val) ) { + gain = val & GAIN_ON; + exposure = static_cast(val & EXP_ON); + } + return _status == ERR_OK; +} + +bool Tsl2561::fullLuminosity( uint16_t &luminosity ) { + return readWord(REG_DATA0LOW, luminosity); +} + +bool Tsl2561::irLuminosity( uint16_t &luminosity ) { + return readWord(REG_DATA1LOW, luminosity); +} diff --git a/lib/Joba_Tsl2561/src/Tsl2561.h b/lib/Joba_Tsl2561/src/Tsl2561.h new file mode 100644 index 000000000..75056f912 --- /dev/null +++ b/lib/Joba_Tsl2561/src/Tsl2561.h @@ -0,0 +1,133 @@ +/* +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#ifndef Tsl2561_H +#define Tsl2561_H + +#include +#include + +class Tsl2561 { + +public: + + typedef enum { + ADDR_NONE = 0b0000000, + ADDR_GND = 0b0101001, + ADDR_FLOAT = 0b0111001, + ADDR_VDD = 0b1001001 + } address_t; + + typedef enum { + REG_CONTROL, // Control of basic functions + REG_TIMING, // Integration time/gain control + REG_THRESHLOWLOW, // Low byte of low interrupt threshold + REG_THRESHLOWHIGH, // High byte of low interrupt threshold + REG_THRESHHIGHLOW, // Low byte of high interrupt threshold + REG_THRESHHIGHHIGH, // High byte of high interrupt threshold + REG_INTERRUPT, // Interrupt control + REG_RESERVED1, + REG_CRC, // Factory test - not a user register + REG_RESERVED2, + REG_ID, // Part number/Rev ID + REG_RESERVED3, + REG_DATA0LOW, // Low byte of ADC channel 0 + REG_DATA0HIGH, // High byte of ADC channel 0 + REG_DATA1LOW, // Low byte of ADC channel 1 + REG_DATA1HIGH // High byte of ADC channel 1 + } register_t; + + enum { + CONTROL_CMD = 0b10000000, + CONTROL_CLEAR = 0b01000000, + CONTROL_WORD = 0b00100000, // SPI only? + CONTROL_BLOCK = 0b00010000, // SPI only? + CONTROL_ADDRESS = 0b00001111 + }; + + enum { + POWER_OFF, + POWER_ON = 0b11, + }; + + enum { + GAIN_OFF, + GAIN_ON = 0b00010000 + }; + + typedef enum { + EXP_ON = 0b00001011, + EXP_OFF = 0b00000011, + EXP_14 = 0b00000000, + EXP_101 = 0b00000001, + EXP_402 = 0b00000010 + } exposure_t; + + enum { + PKG_ID = 0b11110000, + PKG_REV = 0b00001111, + PKG_CS = 0b00010000, + PKG_T_FN_CL = 0b01010000 + }; + + typedef enum { + ERR_OK = 0, + ERR_GENERAL = 1, + ERR_GONE = 2, + ERR_RW = 3, + ERR_BUSY = 4 + } status_t; + + Tsl2561( TwoWire &wire ); + + bool begin( address_t addr ); + bool begin(); + + bool available(); + status_t status() const; + address_t address() const; + + bool id( uint8_t &id ); + static uint8_t type( uint8_t id ); + static uint8_t revision( uint8_t id ); + static bool packageCS( uint8_t id ); + static bool packageT_FN_CL( uint8_t id ); + + bool on(); + bool off(); + bool setSensitivity( bool gain, exposure_t exposure ); + bool getSensitivity( bool &gain, exposure_t &exposure ); + bool fullLuminosity( uint16_t &luminosity ); + bool irLuminosity( uint16_t &luminosity ); + +protected: + bool readByte( register_t reg, uint8_t &val ); + bool readWord( register_t reg, uint16_t &val ); + bool writeByte( register_t reg, uint8_t val ); + +private: + Tsl2561(); + Tsl2561( Tsl2561 & ); + + address_t _addr; + TwoWire &_wire; + status_t _status; +}; + +#endif diff --git a/lib/Joba_Tsl2561/src/Tsl2561Util.cpp b/lib/Joba_Tsl2561/src/Tsl2561Util.cpp new file mode 100644 index 000000000..92997b60b --- /dev/null +++ b/lib/Joba_Tsl2561/src/Tsl2561Util.cpp @@ -0,0 +1,193 @@ +/* +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#include "Tsl2561Util.h" + +namespace Tsl2561Util { + +// Tsl2561Util::normalizedLuminosity returncode false can mean: +// - saturation: full and/or ir have value ~0 (aka -1) +// - 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. +bool normalizedLuminosity( bool gain, Tsl2561::exposure_t exposure, uint32_t &full, uint32_t &ir ) { + + uint16_t scaledFull = (uint16_t)full; + uint16_t scaledIr = (uint16_t)ir; + + if( scaledFull ) { + + if( ! gain ) { + full <<= 4; + ir <<= 4; + } + + switch( exposure ) { + case Tsl2561::EXP_14: + full = (scaledFull >= 5047/4*3) ? ~0 : ((full + 5) * 322) / 11; + ir = (scaledIr >= 5047/4*3) ? ~0 : ((ir + 5) * 322) / 11; + break; + case Tsl2561::EXP_101: + full = (scaledFull >= 37177/4*3) ? ~0 : ((full + 40) * 322) / 81; + ir = (scaledIr >= 37177/4*3) ? ~0 : ((ir + 40) * 322) / 81; + break; + case Tsl2561::EXP_402: + if( scaledFull >= 65535/4*3 ) full = ~0; + if( scaledIr >= 65535/4*3 ) ir = ~0; + break; + default: + return false; + } + + return full != ~0U && ir != ~0U; + } + + return false; +} + +// Return upper saturation limit upto which chip returns accurate data +uint16_t getLimit( Tsl2561::exposure_t exposure ) { + switch( exposure ) { + case Tsl2561::EXP_14: return 5047/4*3; + case Tsl2561::EXP_101: return 37177/4*3; + default: return 65535/4*3; + } +} + +// Wait for one measurement interval plus some empirically tested extra millis +void waitNext( Tsl2561::exposure_t exposure ) { + switch( exposure ) { + case Tsl2561::EXP_14: delay(16); break; + case Tsl2561::EXP_101: delay(103); break; + default: delay(408); break; + } +} + +// Wait for next sample, read luminosity and adjust sensitivity, if needed and possible +bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t &full, uint16_t &ir ) { + + static const struct { + bool gain; + Tsl2561::exposure_t exposure; + } sensitivity[] = { + { false, Tsl2561::EXP_14, }, // min + { false, Tsl2561::EXP_101 }, + { true, Tsl2561::EXP_14 }, + { false, Tsl2561::EXP_402 }, + { true, Tsl2561::EXP_101 }, + { true, Tsl2561::EXP_402 } // max + }; + + // get current sensitivity + if( !tsl.getSensitivity(gain, exposure) ) { + return false; + } + + // find index of current sensitivity + uint8_t curr = 0; + while( curr < sizeof(sensitivity)/sizeof(sensitivity[0]) ) { + if( sensitivity[curr].gain == gain && sensitivity[curr].exposure == exposure ) { + break; + } + curr++; + } + if( curr == sizeof(sensitivity)/sizeof(sensitivity[0]) ) { + return false; // should not happen... + } + + // in a loop wait for next sample, get values and adjust sensitivity if needed + while( true ) { + waitNext(exposure); + + if( !tsl.fullLuminosity(full) || !tsl.irLuminosity(ir) ) { + return false; + } + + uint16_t limit = getLimit(exposure); + if( full >= 1000 && full <= limit ) { + return true; // new value within limits + } + + if( (full < 1000 && ++curr < sizeof(sensitivity)/sizeof(sensitivity[0])) + || (full > limit && curr-- > 0) ) { + if( !tsl.setSensitivity(sensitivity[curr].gain, sensitivity[curr].exposure) ) { + return false; + } + gain = sensitivity[curr].gain; + exposure = sensitivity[curr].exposure; + } + else { + return true; // saturated, but best we can do + } + } +} + +// Measurement is up to 20% too high for temperatures above 25°C. Compensate for that. +bool compensateTemperature( int16_t centiCelsius, uint32_t &full, uint32_t &ir ) { + // assume linear gradient 0% at 25°C to +20% at 70°C + if( centiCelsius >= -3000 && centiCelsius <= 7000 ) { + full -= (full * (centiCelsius - 2500) * 20) / (100 * (7000 - 2500)); + ir -= (ir * (centiCelsius - 2500) * 20) / (100 * (7000 - 2500)); + return true; + } + + return false; +} + +// Calculate lux from raw luminosity values +bool milliLux( uint32_t full, uint32_t ir, uint32_t &mLux, bool csType ) { + if( !full ) { + mLux = 0; + return true; + } + + uint32_t milliRatio = ir * 1000 / full; + + if( csType ) { + if( milliRatio < 130 ) { mLux = 1000 * full - 840 * ir; } + else if ( milliRatio < 260 ) { mLux = 1080 * full - 1380 * ir; } + else if ( milliRatio < 390 ) { mLux = 1160 * full - 1690 * ir; } + else if ( milliRatio < 520 ) { mLux = 1260 * full - 1940 * ir; } + else if ( milliRatio < 650 ) { mLux = 730 * full - 930 * ir; } + else if ( milliRatio < 800 ) { mLux = 500 * full - 575 * ir; } + else if ( milliRatio < 1300 ) { mLux = 110 * full - 85 * ir; } + else { + mLux = 0; + return false; + } + mLux /= 400 * 16 / 200; // 32 = counts/lux (cpl) + } + else { + if( milliRatio < 125 ) { mLux = 1000 * full - 895 * ir; } + else if ( milliRatio < 250 ) { mLux = 1070 * full - 1045 * ir; } + else if ( milliRatio < 375 ) { mLux = 1150 * full - 1790 * ir; } + else if ( milliRatio < 500 ) { mLux = 1260 * full - 2050 * ir; } + else if ( milliRatio < 610 ) { mLux = 740 * full - 1020 * ir; } + else if ( milliRatio < 800 ) { mLux = 420 * full - 500 * ir; } + else if ( milliRatio < 1300 ) { mLux = 48 * full - 37 * ir; } + else { + mLux = 0; + return false; + } + mLux /= 400 * 16 / 193; // 33 = counts/lux (cpl) + } + + return true; +} + +} // namespace Tsl2561Util diff --git a/lib/Joba_Tsl2561/src/Tsl2561Util.h b/lib/Joba_Tsl2561/src/Tsl2561Util.h new file mode 100644 index 000000000..58c5d4bbf --- /dev/null +++ b/lib/Joba_Tsl2561/src/Tsl2561Util.h @@ -0,0 +1,48 @@ +/* +Copyright: Joachim Banzhaf, 2018 + +This file is part of the Joba_Tsl2561 Library. + + Joba_Tsl2561 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 3 of the License, or + (at your option) any later version. + + Joba_Tsl2561 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 Joba_Tsl2561. If not, see . +*/ + +#ifndef Tsl2561Util_H +#define Tsl2561Util_H + +#include + +namespace Tsl2561Util { + + // delay until next sample is available + void waitNext( Tsl2561::exposure_t exposure ); + + // get saturation limit for given exposure time + uint16_t getLimit( Tsl2561::exposure_t exposure ); + + // in a loop wait for a sample, get it, check if within thresholds, + // until luminosity is either valid or at upper or lower saturation limit + bool autoGain( Tsl2561 &tsl, bool &gain, Tsl2561::exposure_t &exposure, uint16_t &full, uint16_t &ir ); + + // adjust luminosity as if measured with maximum exposure time and maximum gain + bool normalizedLuminosity( bool gain, Tsl2561::exposure_t exposure, uint32_t &full, uint32_t &ir ); + + // adjust luminosity according to sensor temperature (max +/-20% from 25°C) + bool compensateTemperature( int16_t centiCelsius, uint32_t &full, uint32_t &ir ); + + // calculate lux from normalized (and optionally temperature adjusted) luminosity + bool milliLux( uint32_t full, uint32_t ir, uint32_t &milliLux, bool csType = false ); + +}; + +#endif diff --git a/lib/TSL2561-Arduino-Library/TSL2561.cpp b/lib/TSL2561-Arduino-Library/Adafruit_TSL2561.cpp similarity index 98% rename from lib/TSL2561-Arduino-Library/TSL2561.cpp rename to lib/TSL2561-Arduino-Library/Adafruit_TSL2561.cpp index b033aad0a..a6b37c3bb 100644 --- a/lib/TSL2561-Arduino-Library/TSL2561.cpp +++ b/lib/TSL2561-Arduino-Library/Adafruit_TSL2561.cpp @@ -1,6 +1,6 @@ /**************************************************************************/ -/*! - @file tsl2561.c +/*! + @file Adafruit_TSL2561.c @author K. Townsend (microBuilder.eu / adafruit.com) @section LICENSE @@ -42,7 +42,7 @@ #endif #include -#include "TSL2561.h" +#include "Adafruit_TSL2561.h" TSL2561::TSL2561(uint8_t addr) { _addr = addr; @@ -109,7 +109,7 @@ void TSL2561::setGain(tsl2561Gain_t gain) { enable(); _gain = gain; - write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain); + write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain); disable(); } @@ -119,7 +119,7 @@ void TSL2561::setTiming(tsl2561IntegrationTime_t integration) enable(); _integration = integration; - write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain); + write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_TIMING, _integration | _gain); disable(); } @@ -254,7 +254,7 @@ uint16_t TSL2561::getLuminosity (uint8_t channel) { // Reads all and subtracts out just the visible! return ( (x & 0xFFFF) - (x >> 16)); } - + // unknown channel! return 0; } diff --git a/lib/TSL2561-Arduino-Library/TSL2561.h b/lib/TSL2561-Arduino-Library/Adafruit_TSL2561.h similarity index 99% rename from lib/TSL2561-Arduino-Library/TSL2561.h rename to lib/TSL2561-Arduino-Library/Adafruit_TSL2561.h index 2750f2b13..c607afe1f 100644 --- a/lib/TSL2561-Arduino-Library/TSL2561.h +++ b/lib/TSL2561-Arduino-Library/Adafruit_TSL2561.h @@ -1,7 +1,7 @@ /**************************************************************************/ /*! - @file tsl2561.h + @file Adafruit_TSL2561.h @author K. Townsend (microBuilder.eu) @section LICENSE diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino index 3a11a8062..8aff85fb6 100644 --- a/sonoff/_releasenotes.ino +++ b/sonoff/_releasenotes.ino @@ -11,6 +11,7 @@ * Add Restart time to Status 1 (#1938) * Change Sonoff SC JSON format (#1939) * Fix compile error when define HOME_ASSISTANT_DISCOVERY_ENABLE is not set (#1937) + * Add optional TSL2561 driver using library Joba_Tsl2561 to be enabled in user_config.h with define USE_TSL2561_JOBA (#1951) * * 5.12.0a * Change platformio option sonoff-ds18x20 to sonoff-xxl enabling ds18x20 and all other sensors in one image diff --git a/sonoff/user_config.h b/sonoff/user_config.h index 7be45dd23..9f2c1f1d3 100644 --- a/sonoff/user_config.h +++ b/sonoff/user_config.h @@ -189,7 +189,8 @@ // #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_TSL2561 // Add I2C code for TSL2561 sensor using library Adafruit TSL2561 Arduino (+1k4 code) +// #define USE_TSL2561_JOBA // Add I2C code for TSL2561 sensor using library Joba_Tsl2561 (+2k3 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_16_tsl2561.ino b/sonoff/xsns_16_tsl2561.ino index 79f112dda..65575a48f 100644 --- a/sonoff/xsns_16_tsl2561.ino +++ b/sonoff/xsns_16_tsl2561.ino @@ -27,7 +27,7 @@ * Using library https://github.com/adafruit/TSL2561-Arduino-Library \*********************************************************************************************/ -#include +#include uint8_t tsl2561_address; uint8_t tsl2561_addresses[] = { TSL2561_ADDR_LOW, TSL2561_ADDR_FLOAT, TSL2561_ADDR_HIGH }; diff --git a/sonoff/xsns_16_tsl2561_joba.ino b/sonoff/xsns_16_tsl2561_joba.ino new file mode 100644 index 000000000..43df5d712 --- /dev/null +++ b/sonoff/xsns_16_tsl2561_joba.ino @@ -0,0 +1,116 @@ +/* + xsns_16_tsl2561.ino - TSL2561 light sensor support for Sonoff-Tasmota + + Copyright (C) 2018 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 . +*/ + +#ifdef USE_I2C +#ifdef USE_TSL2561_JOBA +/*********************************************************************************************\ + * TSL2561 - Light Intensity + * + * I2C Addresses: 0x29 (low), 0x39 (float) or 0x49 (high) + * + * Using library https://github.com/joba-1/Joba_Tsl2561 +\*********************************************************************************************/ + +#include + +Tsl2561 Tsl(Wire); + +void Tsl2561Detect() +{ + if (!Tsl.available()) { + Tsl.begin(); + if (Tsl.available()) { + snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "TSL2561", Tsl.address()); + AddLog(LOG_LEVEL_DEBUG); + } + } +} + +#ifdef USE_WEBSERVER +const char HTTP_SNS_TSL2561[] PROGMEM = + "%s{s}TSL2561 " D_ILLUMINANCE "{m}%u.%03u " D_UNIT_LUX "{e}"; // {s} = , {m} = , {e} = +#endif // USE_WEBSERVER + +void Tsl2561Show(boolean json) +{ + uint8_t id; + bool gain; + Tsl2561::exposure_t exposure; + uint16_t scaledFull, scaledIr; + uint32_t full, ir; + uint32_t milliLux; + + if (Tsl.available()) { + if (Tsl.on()) { + if( Tsl.id(id) + && Tsl2561Util::autoGain(Tsl, gain, exposure, scaledFull, scaledIr) + && Tsl2561Util::normalizedLuminosity(gain, exposure, full = scaledFull, ir = scaledIr) + && Tsl2561Util::milliLux(full, ir, milliLux, Tsl2561::packageCS(id))) { + + snprintf_P(log_data, sizeof(log_data), PSTR(D_ILLUMINANCE " g:%d, e:%d, f:%u, i:%u -> %u.%03u " D_UNIT_LUX), + gain, exposure, full, ir, milliLux/1000, milliLux%1000); + AddLog(LOG_LEVEL_DEBUG); + + if (json) { + snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"TSL2561\":{\"" D_JSON_ILLUMINANCE "\":%u.%03u}"), + mqtt_data, milliLux/1000, milliLux%1000); +#ifdef USE_DOMOTICZ + DomoticzSensor(DZ_ILLUMINANCE, (milliLux+500)/1000); +#endif // USE_DOMOTICZ +#ifdef USE_WEBSERVER + } else { + snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TSL2561, mqtt_data, milliLux/1000, milliLux%1000); +#endif // USE_WEBSERVER + } + } + Tsl.off(); + } + } +} + +/*********************************************************************************************\ + * Interface +\*********************************************************************************************/ + +#define XSNS_16 + +boolean Xsns16(byte function) +{ + boolean result = false; + + if (i2c_flg) { + switch (function) { + case FUNC_PREP_BEFORE_TELEPERIOD: + Tsl2561Detect(); + break; + case FUNC_JSON_APPEND: + Tsl2561Show(1); + break; +#ifdef USE_WEBSERVER + case FUNC_WEB_APPEND: + Tsl2561Show(0); + break; +#endif // USE_WEBSERVER + } + } + return result; +} + +#endif // USE_TSL2561_JOBA +#endif // USE_I2C