mirror of https://github.com/ArduPilot/ardupilot
49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
#ifndef __ADS1115AnalogIn_H__
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#define __ADS1115AnalogIn_H__
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#include "AP_HAL_Linux.h"
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#include <AP_ADC/AP_ADC.h>
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#define ADS1115_ADC_MAX_CHANNELS 6
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class ADS1115AnalogSource: public AP_HAL::AnalogSource {
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public:
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friend class ADS1115AnalogIn;
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ADS1115AnalogSource(int16_t pin);
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float read_average();
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float read_latest();
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void set_pin(uint8_t p);
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void set_stop_pin(uint8_t p) {}
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void set_settle_time(uint16_t settle_time_ms){}
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float voltage_average();
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float voltage_latest();
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float voltage_average_ratiometric();
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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 ADS1115AnalogIn: public AP_HAL::AnalogIn {
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public:
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ADS1115AnalogIn();
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void init();
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AP_HAL::AnalogSource* channel(int16_t n);
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/* Board voltage is not available */
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float board_voltage(void)
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{
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return 0.0f;
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}
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private:
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AP_ADC_ADS1115 *_adc;
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ADS1115AnalogSource *_channels[ADS1115_ADC_MAX_CHANNELS];
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uint8_t _channels_number;
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void _update();
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uint32_t _last_update_timestamp;
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};
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#endif
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