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betaflight/src/main/sensors/gyro.h
2018-12-02 09:52:02 -05:00

131 lines
3.8 KiB
C

/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software under the terms of the
* GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* Cleanflight and Betaflight are distributed in the hope that they
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software.
*
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "common/axis.h"
#include "common/filter.h"
#include "common/time.h"
#include "drivers/bus.h"
#include "drivers/sensor.h"
#include "pg/pg.h"
typedef struct gyro_s {
uint32_t targetLooptime;
float gyroADCf[XYZ_AXIS_COUNT];
} gyro_t;
extern gyro_t gyro;
typedef enum {
GYRO_OVERFLOW_CHECK_NONE = 0,
GYRO_OVERFLOW_CHECK_YAW,
GYRO_OVERFLOW_CHECK_ALL_AXES
} gyroOverflowCheck_e;
enum {
DYN_NOTCH_RANGE_HIGH = 0,
DYN_NOTCH_RANGE_MEDIUM,
DYN_NOTCH_RANGE_LOW,
DYN_NOTCH_RANGE_AUTO
} ;
#define DYN_NOTCH_RANGE_HZ_HIGH 2000
#define DYN_NOTCH_RANGE_HZ_MEDIUM 1333
#define DYN_NOTCH_RANGE_HZ_LOW 1000
enum {
DYN_LPF_NONE = 0,
DYN_LPF_PT1,
DYN_LPF_BIQUAD
};
#define GYRO_CONFIG_USE_GYRO_1 0
#define GYRO_CONFIG_USE_GYRO_2 1
#define GYRO_CONFIG_USE_GYRO_BOTH 2
typedef enum {
FILTER_LOWPASS = 0,
FILTER_LOWPASS2
} filterSlots;
typedef struct gyroConfig_s {
uint8_t gyro_align; // gyro alignment
uint8_t gyroMovementCalibrationThreshold; // people keep forgetting that moving model while init results in wrong gyro offsets. and then they never reset gyro. so this is now on by default.
uint8_t gyro_sync_denom; // Gyro sample divider
uint8_t gyro_hardware_lpf; // gyro DLPF setting
uint8_t gyro_32khz_hardware_lpf; // gyro 32khz DLPF setting
uint8_t gyro_high_fsr;
uint8_t gyro_use_32khz;
uint8_t gyro_to_use;
uint16_t gyro_lowpass_hz;
uint16_t gyro_lowpass2_hz;
uint16_t gyro_soft_notch_hz_1;
uint16_t gyro_soft_notch_cutoff_1;
uint16_t gyro_soft_notch_hz_2;
uint16_t gyro_soft_notch_cutoff_2;
int16_t gyro_offset_yaw;
uint8_t checkOverflow;
// Lowpass primary/secondary
uint8_t gyro_lowpass_type;
uint8_t gyro_lowpass2_type;
uint8_t yaw_spin_recovery;
int16_t yaw_spin_threshold;
uint16_t gyroCalibrationDuration; // Gyro calibration duration in 1/100 second
uint8_t dyn_notch_range; // ignore any FFT bin below this threshold
uint16_t dyn_lpf_gyro_max_hz;
uint8_t dyn_notch_width_percent;
uint16_t dyn_notch_q;
uint16_t dyn_notch_min_hz;
} gyroConfig_t;
PG_DECLARE(gyroConfig_t, gyroConfig);
bool gyroInit(void);
void gyroInitFilters(void);
void gyroUpdate(timeUs_t currentTimeUs);
bool gyroGetAccumulationAverage(float *accumulation);
const busDevice_t *gyroSensorBus(void);
struct mpuDetectionResult_s;
const struct mpuDetectionResult_s *gyroMpuDetectionResult(void);
void gyroStartCalibration(bool isFirstArmingCalibration);
bool isFirstArmingGyroCalibrationRunning(void);
bool isGyroCalibrationComplete(void);
void gyroReadTemperature(void);
int16_t gyroGetTemperature(void);
int16_t gyroRateDps(int axis);
bool gyroOverflowDetected(void);
bool gyroYawSpinDetected(void);
uint16_t gyroAbsRateDps(int axis);
uint8_t gyroReadRegister(uint8_t whichSensor, uint8_t reg);
#ifdef USE_DYN_LPF
float dynThrottle(float throttle);
void dynLpfGyroUpdate(float throttle);
#endif