Motor_PMSM/Application/FOC/hall_sensor.h

#ifndef _HALL_SENSOR_H__
#define _HALL_SENSOR_H__
#include "libs/types.h"
#include "hal/hal.h"

#define NEGATIVE          (int8_t)-1
#define POSITIVE          (int8_t)1

#define PHASE_60_DEGREE (60.0f)
#define PHASE_120_DEGREE (120.0f)
#define PHASE_180_DEGREE (180.0f)
#define PHASE_240_DEGREE (240.0f)
#define PHASE_300_DEGREE (300.0f)
#define PHASE_360_DEGREE (360.0f)

#define STATE_0 (uint8_t)0
#define STATE_1 (uint8_t)1
#define STATE_2 (uint8_t)2
#define STATE_3 (uint8_t)3
#define STATE_4 (uint8_t)4
#define STATE_5 (uint8_t)5
#define STATE_6 (uint8_t)6
#define STATE_7 (uint8_t)7

#define THETA_NONE        (float)0xFFFF
typedef struct {
	bool  alignmnet;
	float theta;
	float est_theta;
	float e_rpm;        //当前的电角度, 单位：RPM
	float e_filted_rpm;    //滤波后的电角度
	u8    state;
	u32   ticks;
	u32   second;
	bool  working;
	s8    direction;
	float degree_per_s; //当前的电角度, 单位：rad/s
	float phase_offset;
	bool  is_override_theta;
	float override_theta;
}hall_t;

#define SAMPLE_MAX_COUNT 6

typedef struct {
	float angle[SAMPLE_MAX_COUNT];
	u32   ticks[SAMPLE_MAX_COUNT];
	u32   index;
	bool  full;
}hall_sample_t;

void hall_sensor_init(void);
float hall_sensor_get_theta(void); //return degree
float hall_sensor_get_speed(void); //return rpm
float hall_sensor_avg_speed(void);
int hall_sensor_calibrate(float voltage, u16 *hall_table);
void hall_sensor_set_theta(bool override, float theta);
#endif /* _HALL_SENSOR_H__ */