ardupilot/libraries/AP_HAL_Linux/RCInput.h

45 lines
1.1 KiB
C++

#ifndef __AP_HAL_LINUX_RCINPUT_H__
#define __AP_HAL_LINUX_RCINPUT_H__
#include <AP_HAL_Linux.h>
#define LINUX_RC_INPUT_NUM_CHANNELS 16
class Linux::LinuxRCInput : public AP_HAL::RCInput {
public:
LinuxRCInput();
virtual void init(void* machtnichts);
bool new_input();
uint8_t num_channels();
uint16_t read(uint8_t ch);
uint8_t read(uint16_t* periods, uint8_t len);
bool set_overrides(int16_t *overrides, uint8_t len);
bool set_override(uint8_t channel, int16_t override);
void clear_overrides();
// default empty _timer_tick, this is overridden by board
// specific implementations
virtual void _timer_tick() {}
protected:
void _process_ppmsum_pulse(uint16_t width_usec);
private:
volatile bool new_rc_input;
uint16_t _pulse_capt[LINUX_RC_INPUT_NUM_CHANNELS];
uint8_t _num_channels;
// the channel we will receive input from next, or -1 when not synchronised
int8_t _channel_counter;
/* override state */
uint16_t _override[LINUX_RC_INPUT_NUM_CHANNELS];
};
#include "RCInput_PRU.h"
#endif // __AP_HAL_LINUX_RCINPUT_H__