mirror of https://github.com/ArduPilot/ardupilot
42 lines
1011 B
C++
42 lines
1011 B
C++
#pragma once
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#include "AP_HAL_Linux.h"
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#include <AP_ADC/AP_ADC_ADS1115.h>
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#define ADS1115_ADC_MAX_CHANNELS 6
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class AnalogSource_ADS1115: public AP_HAL::AnalogSource {
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public:
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friend class AnalogIn_ADS1115;
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AnalogSource_ADS1115(int16_t pin);
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float read_average() override;
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float read_latest() override;
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bool set_pin(uint8_t p) override;
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float voltage_average() override;
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float voltage_latest() override;
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float voltage_average_ratiometric() override;
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private:
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int16_t _pin;
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float _value;
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};
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class AnalogIn_ADS1115: public AP_HAL::AnalogIn {
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public:
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AnalogIn_ADS1115();
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void init() override;
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AP_HAL::AnalogSource *channel(int16_t n) override;
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/* Board voltage is not available */
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float board_voltage() override { return 5.0f; }
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private:
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uint8_t _channels_number;
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void _update();
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AP_ADC_ADS1115 *_adc;
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AnalogSource_ADS1115 *_channels[ADS1115_ADC_MAX_CHANNELS];
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uint32_t _last_update_timestamp;
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HAL_Semaphore _semaphore;
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};
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