mirror of https://github.com/arendst/Tasmota.git
150 lines
3.9 KiB
C++
150 lines
3.9 KiB
C++
/*
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xsns_16_tsl2561.ino - TSL2561 light sensor support for Tasmota
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Copyright (C) 2019 Theo Arends and Joachim Banzhaf
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_I2C
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#ifdef USE_TSL2561
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/*********************************************************************************************\
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* TSL2561 - Light Intensity
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*
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* Using library https://github.com/joba-1/Joba_Tsl2561
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*
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* I2C Addresses: 0x29 (low), 0x39 (float) or 0x49 (high)
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\*********************************************************************************************/
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#define XSNS_16 16
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#define XI2C_16 16 // See I2CDEVICES.md
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#include <Tsl2561Util.h>
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Tsl2561 Tsl(Wire);
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uint8_t tsl2561_type = 0;
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uint8_t tsl2561_valid = 0;
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uint32_t tsl2561_milliLux = 0;
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char tsl2561_types[] = "TSL2561";
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bool Tsl2561Read(void)
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{
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if (tsl2561_valid) { tsl2561_valid--; }
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uint8_t id;
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bool gain;
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Tsl2561::exposure_t exposure;
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uint16_t scaledFull, scaledIr;
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uint32_t full, ir;
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if (Tsl.on()) {
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if (Tsl.id(id)
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&& Tsl2561Util::autoGain(Tsl, gain, exposure, scaledFull, scaledIr)
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&& Tsl2561Util::normalizedLuminosity(gain, exposure, full = scaledFull, ir = scaledIr)
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&& Tsl2561Util::milliLux(full, ir, tsl2561_milliLux, Tsl2561::packageCS(id))) {
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} else{
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tsl2561_milliLux = 0;
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}
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}
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tsl2561_valid = SENSOR_MAX_MISS;
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return true;
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}
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void Tsl2561Detect(void)
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{
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if (tsl2561_type) { return; }
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uint8_t id;
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if (I2cSetDevice(0x29) || I2cSetDevice(0x39) || I2cSetDevice(0x49)) {
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Tsl.begin();
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if (!Tsl.id(id)) return;
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if (Tsl.on()) {
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tsl2561_type = 1;
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I2cSetActiveFound(Tsl.address(), tsl2561_types);
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}
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}
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}
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void Tsl2561EverySecond(void)
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{
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if (90 == (uptime %100)) {
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// 1mS
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Tsl2561Detect();
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}
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else if (!(uptime %2)) { // Update every 2 seconds
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// ?mS - 4Sec
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if (tsl2561_type) {
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if (!Tsl2561Read()) {
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AddLogMissed(tsl2561_types, tsl2561_valid);
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if (!tsl2561_valid) { tsl2561_type = 0; }
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}
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}
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}
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}
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#ifdef USE_WEBSERVER
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const char HTTP_SNS_TSL2561[] PROGMEM =
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"{s}TSL2561 " D_ILLUMINANCE "{m}%u.%03u " D_UNIT_LUX "{e}"; // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
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#endif // USE_WEBSERVER
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void Tsl2561Show(bool json)
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{
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if (tsl2561_valid) {
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if (json) {
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ResponseAppend_P(PSTR(",\"TSL2561\":{\"" D_JSON_ILLUMINANCE "\":%u.%03u}"),
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tsl2561_milliLux / 1000, tsl2561_milliLux % 1000);
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#ifdef USE_DOMOTICZ
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if (0 == tele_period) { DomoticzSensor(DZ_ILLUMINANCE, (tsl2561_milliLux + 500) / 1000); }
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#endif // USE_DOMOTICZ
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#ifdef USE_WEBSERVER
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} else {
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WSContentSend_PD(HTTP_SNS_TSL2561, tsl2561_milliLux / 1000, tsl2561_milliLux % 1000);
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#endif // USE_WEBSERVER
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}
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xsns16(uint8_t function)
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{
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if (!I2cEnabled(XI2C_16)) { return false; }
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bool result = false;
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switch (function) {
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case FUNC_EVERY_SECOND:
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Tsl2561EverySecond();
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break;
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case FUNC_JSON_APPEND:
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Tsl2561Show(1);
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break;
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#ifdef USE_WEBSERVER
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case FUNC_WEB_SENSOR:
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Tsl2561Show(0);
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break;
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#endif // USE_WEBSERVER
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case FUNC_INIT:
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Tsl2561Detect();
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break;
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}
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return result;
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}
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#endif // USE_TSL2561
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#endif // USE_I2C
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