mirror of https://github.com/arendst/Tasmota.git
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/*
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xsns_78_ezoflo.ino - EZO FLO I2C FLO 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_EZOFLO
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#define EZO_FLO_READ_LATENCY 300
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struct EZOFLO : public EZOStruct {
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EZOFLO(uint32_t addr) : EZOStruct(addr), totalVolume(NAN), flowRate(NAN) {}
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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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// Total Volume, Flow Rate
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EZOStruct::ProcessMeasurement(data, sizeof(data), EZO_FLO_READ_LATENCY);
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totalVolume = CharToFloat(data);
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char *next = strchr(data, ',');
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if (next) {
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flowRate = CharToFloat(next + 1);
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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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char volume[FLOATSZ];
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char rate[FLOATSZ];
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bool hasFlow = !isnan(flowRate);
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dtostrfd(totalVolume, 2, volume);
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dtostrfd(flowRate, 2, rate);
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if (json) {
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ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_VOLUME "\":%s"), name, volume);
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if (hasFlow) {
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ResponseAppend_P(PSTR(",\"" D_JSON_FLOWRATE "\":%s"), rate);
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}
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ResponseJsonEnd();
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#ifdef USE_WEBSERVER
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} else {
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WSContentSend_PD(HTTP_SNS_LITERS, name, volume);
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if (hasFlow) {
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WSContentSend_PD(HTTP_SNS_LPM, name, rate);
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}
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#endif
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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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float totalVolume;
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float flowRate;
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};
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const char EZOFLO::id[] PROGMEM = "FLO";
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#endif // USE_EZOFLO
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#endif // USE_I2C
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