Fork of the espurna firmware for `mhsw` switches
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// -----------------------------------------------------------------------------
// Analog Sensor (maps to an analogRead)
// Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
// -----------------------------------------------------------------------------
#if SENSOR_SUPPORT && ANALOG_SUPPORT
#pragma once
// Set ADC to TOUT pin
#undef ADC_MODE_VALUE
#define ADC_MODE_VALUE ADC_TOUT
#include "Arduino.h"
#include "BaseSensor.h"
class AnalogSensor : public BaseSensor {
public:
// ---------------------------------------------------------------------
// Public
// ---------------------------------------------------------------------
AnalogSensor(): BaseSensor() {
_count = 1;
_sensor_id = SENSOR_ANALOG_ID;
}
void setSamples(unsigned int samples) {
if (_samples > 0) _samples = samples;
}
void setDelay(unsigned long micros) {
_micros = micros;
}
// ---------------------------------------------------------------------
unsigned int getSamples() {
return _samples;
}
unsigned long getDelay() {
return _micros;
}
// ---------------------------------------------------------------------
// Sensor API
// ---------------------------------------------------------------------
// Initialization method, must be idempotent
void begin() {
pinMode(0, INPUT);
_ready = true;
}
// Descriptive name of the sensor
String description() {
return String("ANALOG @ TOUT");
}
// Descriptive name of the slot # index
String slot(unsigned char index) {
return description();
};
// Address of the sensor (it could be the GPIO or I2C address)
String address(unsigned char index) {
return String("0");
}
// Type for slot # index
unsigned char type(unsigned char index) {
if (index == 0) return MAGNITUDE_ANALOG;
return MAGNITUDE_NONE;
}
// Current value for slot # index
double value(unsigned char index) {
if (index == 0) return _read();
return 0;
}
protected:
unsigned int _read() {
if (1 == _samples) return analogRead(0);
unsigned long sum = 0;
for (unsigned int i=0; i<_samples; i++) {
if (i>0) delayMicroseconds(_micros);
sum += analogRead(0);
}
return sum / _samples;
}
unsigned int _samples = 1;
unsigned long _micros = 0;
};
#endif // SENSOR_SUPPORT && ANALOG_SUPPORT