ardupilot/libraries/AP_InertialSensor/AP_InertialSensor_MPU9150.h

63 lines
2.0 KiB
C++

/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#ifndef __AP_INERTIAL_SENSOR_MPU9150_H__
#define __AP_INERTIAL_SENSOR_MPU9150_H__
#include <AP_HAL/AP_HAL.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_LINUX
#include "AP_InertialSensor.h"
#include <Filter/Filter.h>
#include <Filter/LowPassFilter2p.h>
class AP_InertialSensor_MPU9150 : public AP_InertialSensor_Backend
{
public:
AP_InertialSensor_MPU9150(AP_InertialSensor &imu);
/* update accel and gyro state */
bool update();
bool gyro_sample_available(void) { return _have_sample_available; }
bool accel_sample_available(void) { return _have_sample_available; }
// detect the sensor
static AP_InertialSensor_Backend *detect(AP_InertialSensor &imu);
private:
bool _init_sensor();
void _accumulate(void);
Vector3f _accel_filtered;
Vector3f _gyro_filtered;
bool _have_sample_available;
// // support for updating filter at runtime
uint8_t _last_accel_filter_hz;
uint8_t _last_gyro_filter_hz;
int16_t mpu_set_gyro_fsr(uint16_t fsr);
int16_t mpu_set_accel_fsr(uint8_t fsr);
int16_t mpu_set_lpf(uint16_t lpf);
int16_t mpu_set_sample_rate(uint16_t rate);
int16_t mpu_set_compass_sample_rate(uint16_t rate, uint16_t chip_sample_rate);
int16_t mpu_configure_fifo(uint8_t sensors);
int16_t set_int_enable(uint8_t enable);
int16_t mpu_reset_fifo(uint8_t sensors);
int16_t mpu_set_sensors(uint8_t sensors);
int16_t mpu_set_int_latched(uint8_t enable);
int16_t mpu_read_fifo(int16_t *gyro, int16_t *accel, uint32_t *timestamp, uint8_t *sensors, uint8_t *more);
void _set_accel_filter_frequency(uint8_t filter_hz);
void _set_gyro_filter_frequency(uint8_t filter_hz);
// Low Pass filters for gyro and accel
LowPassFilter2pVector3f _accel_filter;
LowPassFilter2pVector3f _gyro_filter;
uint8_t _gyro_instance;
uint8_t _accel_instance;
};
#endif
#endif // __AP_INERTIAL_SENSOR_MPU9150_H__