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Code Issues Releases Wiki Activity

ESP32 ADC use factory calibration data (#2574)

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This commit is contained in:
Otto Winter
2021-10-21 16:01:33 +02:00
committed by GitHub
parent 156104d5f5
commit cac5b356db
3 changed files with 177 additions and 146 deletions
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8
esphome/components/adc/adc_sensor.h
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@@ -8,6 +8,7 @@
#ifdef USE_ESP32
#include "driver/adc.h"
#include <esp_adc_cal.h>
#endif
namespace esphome {
@@ -17,8 +18,9 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
public:
#ifdef USE_ESP32
/// Set the attenuation for this pin. Only available on the ESP32.
void set_attenuation(adc_atten_t attenuation);
void set_autorange(bool autorange);
void set_attenuation(adc_atten_t attenuation) { attenuation_ = attenuation; }
void set_channel(adc1_channel_t channel) { channel_ = channel; }
void set_autorange(bool autorange) { autorange_ = autorange; }
#endif
/// Update adc values.
@@ -42,7 +44,9 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
#ifdef USE_ESP32
adc_atten_t attenuation_{ADC_ATTEN_DB_0};
adc1_channel_t channel_{};
bool autorange_{false};
esp_adc_cal_characteristics_t cal_characteristics_[(int) ADC_ATTEN_MAX] = {};
#endif
};