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47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/esphal.h"
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#include "esphome/core/defines.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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#ifdef ARDUINO_ARCH_ESP32
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#include "driver/adc.h"
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#endif
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namespace esphome {
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namespace adc {
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class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
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public:
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#ifdef ARDUINO_ARCH_ESP32
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/// Set the attenuation for this pin. Only available on the ESP32.
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void set_attenuation(adc_atten_t attenuation);
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#endif
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/// Update adc values.
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void update() override;
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/// Setup ADc
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void setup() override;
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void dump_config() override;
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/// `HARDWARE_LATE` setup priority.
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float get_setup_priority() const override;
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void set_pin(uint8_t pin) { this->pin_ = pin; }
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float sample() override;
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#ifdef ARDUINO_ARCH_ESP8266
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std::string unique_id() override;
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#endif
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protected:
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uint8_t pin_;
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#ifdef ARDUINO_ARCH_ESP32
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adc_atten_t attenuation_{ADC_ATTEN_DB_0};
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#endif
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};
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} // namespace adc
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} // namespace esphome
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