esphome/esphome/components/adc/adc_sensor.h
Otto Winter 9dd9e523ed
Fix ADC VCC
Fixes https://github.com/esphome/issues/issues/289

Was a linker problem, the macro needs to be defined in global C++ scope (no namespace, not in extern "C" block)
2019-05-10 15:02:59 +02:00

42 lines
1 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/core/esphal.h"
#include "esphome/core/defines.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/voltage_sampler/voltage_sampler.h"
namespace esphome {
namespace adc {
class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
public:
#ifdef ARDUINO_ARCH_ESP32
/// Set the attenuation for this pin. Only available on the ESP32.
void set_attenuation(adc_attenuation_t attenuation);
#endif
/// Update adc values.
void update() override;
/// Setup ADc
void setup() override;
void dump_config() override;
/// `HARDWARE_LATE` setup priority.
float get_setup_priority() const override;
void set_pin(uint8_t pin) { this->pin_ = pin; }
float sample() override;
#ifdef ARDUINO_ARCH_ESP8266
std::string unique_id() override;
#endif
protected:
uint8_t pin_;
#ifdef ARDUINO_ARCH_ESP32
adc_attenuation_t attenuation_{ADC_0db};
#endif
};
} // namespace adc
} // namespace esphome