ardupilot/libraries/AP_ADC/AP_ADC.h

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#ifndef AP_ADC_H
#define AP_ADC_H
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#include <AP_Common.h>
/*
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* AP_ADC.cpp - Analog Digital Converter Base Class for Ardupilot Mega
* Code by James Goppert. DIYDrones.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Methods:
* Init() : Initialization of ADC. (interrupts etc)
* Ch(ch_num) : Return the ADC channel value
* Ch6(channel_numbers, result) : Return 6 ADC channel values
*/
class AP_ADC
{
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public:
AP_ADC() {
}; // Constructor
virtual void Init() = 0;
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/* read one channel value */
virtual float Ch(uint8_t ch_num) = 0;
/* read 6 channels values as a set, used by IMU for 3 gyros
* and 3 accelerometeres.
*
* Pass in an array of 6 channel numbers and results are
* returned in result[]
*
* The function returns the amount of time (in microseconds)
* since the last call to Ch6().
*/
virtual uint32_t Ch6(const uint8_t *channel_numbers, float *result) = 0;
// check if Ch6() can return new data
virtual bool new_data_available(const uint8_t *channel_numbers) = 0;
virtual uint16_t num_samples_available(const uint8_t *channel_numbers) = 0;
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private:
};
#include "AP_ADC_ADS7844.h"
#include "AP_ADC_HIL.h"
#endif