mirror of https://github.com/arendst/Tasmota.git
95 lines
2.5 KiB
Arduino
95 lines
2.5 KiB
Arduino
|
/*
|
||
|
|
xsns_02_analog.ino - ESP8266 ADC support for Sonoff-Tasmota
|
||
|
|
|
||
|
|
Copyright (C) 2018 Theo Arends
|
||
|
|
|
||
|
|
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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef USE_ADC_VCC
|
||
|
|
/*********************************************************************************************\
|
||
|
|
* ADC support
|
||
|
|
\*********************************************************************************************/
|
||
|
|
|
||
|
|
#define XSNS_02 2
|
||
|
|
|
||
|
|
uint16_t adc_last_value = 0;
|
||
|
|
|
||
|
|
uint16_t AdcRead()
|
||
|
|
{
|
||
|
|
uint16_t analog = 0;
|
||
|
|
for (byte i = 0; i < 32; i++) {
|
||
|
|
analog += analogRead(A0);
|
||
|
|
delay(1);
|
||
|
|
}
|
||
|
|
analog >>= 5;
|
||
|
|
return analog;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef USE_RULES
|
||
|
|
void AdcEvery250ms()
|
||
|
|
{
|
||
|
|
uint16_t new_value = AdcRead();
|
||
|
|
if ((new_value < adc_last_value -10) || (new_value > adc_last_value +10)) {
|
||
|
|
adc_last_value = new_value;
|
||
|
|
uint16_t value = adc_last_value / 10;
|
||
|
|
snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"ANALOG\":{\"A0div10\":%d}}"), (value > 99) ? 100 : value);
|
||
|
|
XdrvRulesProcess();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif // USE_RULES
|
||
|
|
|
||
|
|
void AdcShow(boolean json)
|
||
|
|
{
|
||
|
|
uint16_t analog = AdcRead();
|
||
|
|
|
||
|
|
if (json) {
|
||
|
|
snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"ANALOG\":{\"A0\":%d}"), mqtt_data, analog);
|
||
|
|
#ifdef USE_WEBSERVER
|
||
|
|
} else {
|
||
|
|
snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_ANALOG, mqtt_data, "", 0, analog);
|
||
|
|
#endif // USE_WEBSERVER
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*********************************************************************************************\
|
||
|
|
* Interface
|
||
|
|
\*********************************************************************************************/
|
||
|
|
|
||
|
|
boolean Xsns02(byte function)
|
||
|
|
{
|
||
|
|
boolean result = false;
|
||
|
|
|
||
|
|
if (pin[GPIO_ADC0] < 99) {
|
||
|
|
switch (function) {
|
||
|
|
#ifdef USE_RULES
|
||
|
|
case FUNC_EVERY_250_MSECOND:
|
||
|
|
AdcEvery250ms();
|
||
|
|
break;
|
||
|
|
#endif // USE_RULES
|
||
|
|
case FUNC_JSON_APPEND:
|
||
|
|
AdcShow(1);
|
||
|
|
break;
|
||
|
|
#ifdef USE_WEBSERVER
|
||
|
|
case FUNC_WEB_APPEND:
|
||
|
|
AdcShow(0);
|
||
|
|
break;
|
||
|
|
#endif // USE_WEBSERVER
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // USE_ADC_VCC
|