mirror of https://github.com/ArduPilot/ardupilot
48 lines
870 B
C++
48 lines
870 B
C++
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#ifndef __AP_ADC_ADS1115_H__
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#define __AP_ADC_ADS1115_H__
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#include <inttypes.h>
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#include "AP_ADC.h"
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#include <AP_HAL/AP_HAL.h>
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struct adc_report_s
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{
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uint8_t id;
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float data;
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};
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class AP_ADC_ADS1115
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{
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public:
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AP_ADC_ADS1115();
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bool init();
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size_t read(adc_report_s *report, size_t length) const;
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uint8_t get_channels_number() const
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{
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return _channels_number;
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}
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private:
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static const uint8_t _channels_number;
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AP_HAL::Semaphore* _i2c_sem;
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uint32_t _last_update_timestamp;
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uint16_t _gain;
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int _channel_to_read;
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adc_report_s *_samples;
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void _update();
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bool _start_conversion(uint8_t channel);
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float _convert_register_data_to_mv(int16_t word) const;
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};
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#endif
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