ardupilot/libraries/AP_Compass/AP_Compass_LSM303D.h

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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#pragma once
#include <AP_Common/AP_Common.h>
#include <AP_HAL/AP_HAL.h>
#include <AP_HAL/Device.h>
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#include <AP_Math/AP_Math.h>
#include "AP_Compass.h"
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#include "AP_Compass_Backend.h"
class AP_Compass_LSM303D : public AP_Compass_Backend
{
public:
static AP_Compass_Backend *probe(Compass &compass,
AP_HAL::OwnPtr<AP_HAL::Device> dev);
static constexpr const char *name = "LSM303D";
bool init() override;
void read() override;
virtual ~AP_Compass_LSM303D() { }
private:
AP_Compass_LSM303D(Compass &compass, AP_HAL::OwnPtr<AP_HAL::Device> dev);
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uint8_t _register_read(uint8_t reg);
void _register_write(uint8_t reg, uint8_t val);
void _register_modify(uint8_t reg, uint8_t clearbits, uint8_t setbits);
bool _block_read(uint8_t reg, uint8_t *buf, uint32_t size);
bool _read_sample();
bool _data_ready();
bool _hardware_init();
void _update();
void _disable_i2c();
bool _mag_set_range(uint8_t max_ga);
bool _mag_set_samplerate(uint16_t frequency);
AP_HAL::DigitalSource *_drdy_pin_m;
AP_HAL::OwnPtr<AP_HAL::Device> _dev;
float _mag_range_scale;
float _mag_x_accum;
float _mag_y_accum;
float _mag_z_accum;
uint32_t _last_update_timestamp;
int16_t _mag_x;
int16_t _mag_y;
int16_t _mag_z;
uint8_t _accum_count;
uint8_t _compass_instance;
bool _initialised;
uint8_t _mag_range_ga;
uint8_t _mag_samplerate;
uint8_t _reg7_expected;
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};