Tasmota/tasmota/xsns_16_tsl2561.ino

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/*
xsns_16_tsl2561.ino - TSL2561 light sensor support for Tasmota
2019-12-31 13:23:34 +00:00
Copyright (C) 2020 Theo Arends and Joachim Banzhaf
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
*
* Using library https://github.com/joba-1/Joba_Tsl2561
*
* I2C Addresses: 0x29 (low), 0x39 (float) or 0x49 (high)
\*********************************************************************************************/
#define XSNS_16 16
#define XI2C_16 16 // See I2CDEVICES.md
#include <Tsl2561Util.h>
Tsl2561 Tsl(Wire);
uint8_t tsl2561_type = 0;
uint8_t tsl2561_valid = 0;
uint32_t tsl2561_milliLux = 0;
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uint32_t tsl2561_full = 0;
uint32_t tsl2561_ir = 0;
char tsl2561_types[] = "TSL2561";
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bool Tsl2561Read(void)
{
if (tsl2561_valid) { tsl2561_valid--; }
uint8_t id;
bool gain;
Tsl2561::exposure_t exposure;
uint16_t scaledFull, scaledIr;
if (Tsl.on()) {
if (Tsl.id(id)
&& Tsl2561Util::autoGain(Tsl, gain, exposure, scaledFull, scaledIr)
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&& Tsl2561Util::normalizedLuminosity(gain, exposure, tsl2561_full = scaledFull, tsl2561_ir = scaledIr)) {
if (! Tsl2561Util::milliLux(tsl2561_full, tsl2561_ir, tsl2561_milliLux, Tsl2561::packageCS(id))) {
tsl2561_milliLux = 0;
}
} else{
tsl2561_milliLux = 0;
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tsl2561_full = 0;
tsl2561_ir = 0;
}
}
tsl2561_valid = SENSOR_MAX_MISS;
return true;
}
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void Tsl2561Detect(void)
{
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if (I2cSetDevice(0x29) || I2cSetDevice(0x39) || I2cSetDevice(0x49)) {
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uint8_t id;
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Tsl.begin();
if (!Tsl.id(id)) return;
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if (Tsl.on()) {
tsl2561_type = 1;
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I2cSetActiveFound(Tsl.address(), tsl2561_types);
}
}
}
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void Tsl2561EverySecond(void)
{
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if (!(uptime %2)) { // Every 2 seconds
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// ?mS - 4Sec
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if (!Tsl2561Read()) {
AddLogMissed(tsl2561_types, tsl2561_valid);
}
}
}
#ifdef USE_WEBSERVER
const char HTTP_SNS_TSL2561[] PROGMEM =
"{s}TSL2561 " D_ILLUMINANCE "{m}%u.%03u " D_UNIT_LUX "{e}"; // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
#endif // USE_WEBSERVER
void Tsl2561Show(bool json)
{
if (tsl2561_valid) {
if (json) {
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ResponseAppend_P(PSTR(",\"TSL2561\":{\"" D_JSON_ILLUMINANCE "\":%u.%03u,\"IR\":%u,\"Broadband\":%u}"),
tsl2561_milliLux / 1000, tsl2561_milliLux % 1000, tsl2561_ir, tsl2561_full);
#ifdef USE_DOMOTICZ
if (0 == tele_period) { DomoticzSensor(DZ_ILLUMINANCE, (tsl2561_milliLux + 500) / 1000); }
#endif // USE_DOMOTICZ
#ifdef USE_WEBSERVER
} else {
WSContentSend_PD(HTTP_SNS_TSL2561, tsl2561_milliLux / 1000, tsl2561_milliLux % 1000);
#endif // USE_WEBSERVER
}
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xsns16(uint8_t function)
{
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if (!I2cEnabled(XI2C_16)) { return false; }
bool result = false;
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if (FUNC_INIT == function) {
Tsl2561Detect();
}
else if (tsl2561_type) {
switch (function) {
case FUNC_EVERY_SECOND:
Tsl2561EverySecond();
break;
case FUNC_JSON_APPEND:
Tsl2561Show(1);
break;
#ifdef USE_WEBSERVER
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case FUNC_WEB_SENSOR:
Tsl2561Show(0);
break;
#endif // USE_WEBSERVER
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}
}
return result;
}
#endif // USE_TSL2561
#endif // USE_I2C