ardupilot/libraries/AP_Compass/AP_Compass_HMC5843.h

48 lines
1.4 KiB
C++

/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#ifndef AP_Compass_HMC5843_H
#define AP_Compass_HMC5843_H
#include <AP_HAL/AP_HAL.h>
#include <AP_Common/AP_Common.h>
#include <AP_Math/AP_Math.h>
#include "Compass.h"
#include "AP_Compass_Backend.h"
class AP_Compass_HMC5843 : public AP_Compass_Backend
{
private:
float calibration[3];
bool _initialised;
bool read_raw(void);
uint8_t _base_config;
bool re_initialise(void);
bool read_register(uint8_t address, uint8_t *value);
bool write_register(uint8_t address, uint8_t value);
uint32_t _retry_time; // when unhealthy the millis() value to retry at
AP_HAL::Semaphore* _i2c_sem;
int16_t _mag_x;
int16_t _mag_y;
int16_t _mag_z;
int16_t _mag_x_accum;
int16_t _mag_y_accum;
int16_t _mag_z_accum;
uint8_t _accum_count;
uint32_t _last_accum_time;
uint8_t _compass_instance;
uint8_t _product_id;
public:
AP_Compass_HMC5843(Compass &compass);
bool init(void);
void read(void);
void accumulate(void);
// detect the sensor
static AP_Compass_Backend *detect(Compass &compass);
};
#endif