mirror of https://github.com/arendst/Tasmota.git
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
/*
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xsns_16_tsl2561.ino - TSL2561 light sensor support for Sonoff-Tasmota
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Copyright (C) 2018 Theo Arends
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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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* I2C Addresses: 0x29 (low), 0x39 (float) or 0x49 (high)
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*
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* Using library https://github.com/adafruit/TSL2561-Arduino-Library
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\*********************************************************************************************/
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#include <TSL2561.h>
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uint8_t tsl2561_address;
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uint8_t tsl2561_addresses[] = { TSL2561_ADDR_LOW, TSL2561_ADDR_FLOAT, TSL2561_ADDR_HIGH };
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//TSL2561 tsl(TSL2561_ADDR_FLOAT);
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TSL2561 *tsl = 0;
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void Tsl2561Detect()
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{
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if (tsl) {
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return;
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}
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for (byte i = 0; i < sizeof(tsl2561_addresses); i++) {
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tsl2561_address = tsl2561_addresses[i];
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if (I2cDevice(tsl2561_address)) {
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tsl = new TSL2561(tsl2561_address);
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if (tsl->begin()) {
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tsl->setGain(TSL2561_GAIN_16X);
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tsl->setTiming(TSL2561_INTEGRATIONTIME_101MS);
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snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "TSL2561", tsl2561_address);
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AddLog(LOG_LEVEL_DEBUG);
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break;
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} else {
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delete tsl;
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tsl = 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{s}TSL2561 " D_ILLUMINANCE "{m}%d " 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(boolean json)
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{
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if (tsl) {
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union {
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uint32_t full;
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struct { uint16_t both, ir; };
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} light;
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light.full = tsl->getFullLuminosity();
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uint32_t illuminance = 0;
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if ((light.full == 0 || light.full == 0xffffffff)) {
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if (!I2cDevice(tsl2561_address)) {
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delete tsl;
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tsl = 0;
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}
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} else {
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illuminance = tsl->calculateLux(light.both, light.ir);
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}
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snprintf(log_data, sizeof(log_data), PSTR(D_ILLUMINANCE " 0x%08lx = b 0x%04x, i 0x%04x -> %lu " D_UNIT_LUX), light.full, light.both, light.ir, illuminance);
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AddLog(LOG_LEVEL_DEBUG);
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if (json) {
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snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"TSL2561\":{\"" D_JSON_ILLUMINANCE "\":%d}"), mqtt_data, illuminance);
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#ifdef USE_DOMOTICZ
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DomoticzSensor(DZ_ILLUMINANCE, illuminance);
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#endif // USE_DOMOTICZ
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#ifdef USE_WEBSERVER
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} else {
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snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TSL2561, mqtt_data, illuminance);
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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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#define XSNS_16
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boolean Xsns16(byte function)
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{
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boolean result = false;
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if (i2c_flg) {
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switch (function) {
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case FUNC_PREP_BEFORE_TELEPERIOD:
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Tsl2561Detect();
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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_APPEND:
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Tsl2561Show(0);
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break;
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#endif // USE_WEBSERVER
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}
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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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