mirror of https://github.com/arendst/Tasmota.git
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
/*
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xsns_78_ezoco2.ino - EZO CO2 I2C CO2 sensor support for Tasmota
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Copyright (C) 2021 Christopher Tremblay
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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_EZOCO2
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#define EZO_CO2_READ_LATENCY 900
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struct EZOCO2 : public EZOStruct {
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EZOCO2(uint32_t addr) : EZOStruct(addr), CO2(0) {}
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virtual void ProcessMeasurement(void)
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{
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char data[D_EZO_MAX_BUF];
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EZOStruct::ProcessMeasurement(data, sizeof(data), EZO_CO2_READ_LATENCY);
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// sensor has a 10s warmup period
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if (TasmotaGlobal.uptime >= 10) {
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CO2 = atoi(data);
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#ifdef USE_LIGHT
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LightSetSignal(CO2_LOW, CO2_HIGH, CO2);
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#endif // USE_LIGHT
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}
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}
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virtual void Show(bool json, const char *name)
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{
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if (json) {
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ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_CO2 "\":%d}" ), name, CO2);
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#ifdef USE_WEBSERVER
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}else {
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WSContentSend_PD(HTTP_SNS_CO2, name, CO2);
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#endif // USE_WEBSERVER
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}
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}
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static const char id[] PROGMEM;
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private:
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uint16_t CO2;
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};
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const char EZOCO2::id[] PROGMEM = "CO2";
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#endif // USE_EZOCO2
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#endif // USE_I2C
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