Tasmota/tasmota/xsns_78_ezorgb.ino

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/*
xsns_78_ezorgb.ino - EZO RGB I2C RGB sensor support for Tasmota
2021-01-01 12:44:04 +00:00
Copyright (C) 2021 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_EZORGB
#define EZO_RGB_READ_LATENCY 400
struct EZORGB : public EZOStruct {
EZORGB(uint32_t addr) : EZOStruct(addr), R(-1), G(-1), B(-6), Lux(0), hasLux(false) {}
virtual void ProcessMeasurement(void)
{
char data[D_EZO_MAX_BUF];
char *next;
// R, G, B, Lux
EZOStruct::ProcessMeasurement(data, sizeof(data), EZO_RGB_READ_LATENCY);
R = atoi(data);
next = strchr(data, ',') + 1;
G = atoi(next);
next = strchr(next, ',') + 1;
B = atoi(next);
next = strstr_P(next, PSTR(",Lux"));
hasLux = (next != nullptr);
if (hasLux) {
Lux = atoi(next + sizeof(",Lux") - 1);
}
}
virtual void Show(bool json, const char *name)
{
if (json) {
ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_RED "\":%d,\"" D_JSON_GREEN "\":%d,\"" D_JSON_BLUE "\":%d"), name, R, G, B);
if (hasLux) {
ResponseAppend_P(PSTR(",\"" D_JSON_ILLUMINANCE "\":%d"), Lux);
}
ResponseJsonEnd();
#ifdef USE_WEBSERVER
} else {
WSContentSend_PD(HTTP_SNS_COLOR_RED, name, R);
WSContentSend_PD(HTTP_SNS_COLOR_GREEN, name, G);
WSContentSend_PD(HTTP_SNS_COLOR_BLUE, name, B);
if (hasLux) {
WSContentSend_PD(HTTP_SNS_ILLUMINANCE, name, Lux);
}
#endif
}
}
static const char id[] PROGMEM;
private:
uint16_t R, G, B;
uint16_t Lux;
bool hasLux;
};
const char EZORGB::id[] PROGMEM = "RGB";
#endif // USE_EZORGB
#endif // USE_I2C