Tasmota/tasmota/xsns_78_ezoph.ino

80 lines
2.1 KiB
C++

/*
xsns_78_ezoph.ino - EZO pH I2C pH sensor support for Tasmota
Copyright (C) 2020 Christopher Tremblay
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_EZOPH
#define XSNS_78 78
#define EZO_PH_READ_LATENCY 900
struct EZOpH : public EZOStruct {
void ProcessMeasurement(void)
{
char data[D_EZO_MAX_BUF];
EZOStruct::ProcessMeasurement(data, sizeof(data), EZO_PH_READ_LATENCY);
pH = CharToFloat(data);
}
void Show(bool json, uint32_t index)
{
if (valid) {
char str[6];
dtostrfd(pH, 2, str);
char name[10];
snprintf_P(name, sizeof(name), PSTR("%s%c%X"), EZOpH::name, IndexSeparator(), index + 1);
if (count == 1) {
name[sizeof("EZOpH") - 1] = 0;
}
if (json) {
ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_PH "\":%s}" ), name, str);
}
#ifdef USE_WEBSERVER
else {
WSContentSend_PD(HTTP_SNS_PH, name, str);
#endif // USE_WEBSERVER
}
}
}
static int8_t count;
static EZOpH *list;
static const char name[];
private:
float pH = NAN;
};
int8_t EZOpH::count = -1;
EZOpH *EZOpH::list = NULL;
const char EZOpH::name[] PROGMEM = "EZOpH";
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
#define Xsns78 XsnsEZO<EZOpH, EZO_PH>
#endif // USE_EZOPH
#endif // USE_I2C