/**
  *****************************************************************************
  * @file				ak8975.h
  * @author				WWJ
  * @version			v1.0
  * @date				2019/04/09
  * @environment		stm32f407
  * @brief   
  *****************************************************************************
**/

#ifndef _MMC5983_H
#define	_MMC5983_H
#include "bsp.h"

#define	X												0
#define	Y												1
#define	Z												2
#define	XYZ											3

#define	MAX(A, B)								(A > B) ? A : B;	
#define	MIN(A, B)								(A < B) ? A : B;

#define MMC5983_X_OUT_H					0X00 				//Device ID = 0x48
#define MMC5983_X_OUT_L					0X01 
#define MMC5983_Y_OUT_H					0X02 
#define MMC5983_Y_OUT_L					0X03 
#define MMC5983_Z_OUT_H					0X04
#define MMC5983_Z_OUT_L					0X05
#define MMC5983_XYZ_OUT					0X06
#define MMC5983_TMP_OUT					0X07
#define MMC5983_STATUS					0X08
#define MMC5983_CTRL_0					0X09 
#define MMC5983_CTRL_1					0X0A 
#define MMC5983_CTRL_2					0X0B
#define MMC5983_CTRL_3					0X0C 
#define MMC5983_ID		          	0X2F

#define MMC5983_ADDRESS					0x30
#define MMC5983_MAG_SCALE_16BIT		0.24414f
#define MMC5983_MAG_SCALE_18BIT		0.061035f

#define	MMC5983Delay(x)					delay_ms(x)

typedef union {
	struct {
		uint8_t Meas_M_Done: 1;
		uint8_t Meas_T_Done: 1;
		uint8_t Res0: 2;
		uint8_t OTP_Read_Done: 1;
		uint8_t Res1: 3;
	}Bit;
	uint8_t Byte;
}MMC5983RegStatus;

typedef union {
	struct {
		uint8_t TM_M: 1;
		uint8_t TM_T: 1;
		uint8_t NT_meas_done_en: 1;
		uint8_t Set: 1;
		uint8_t Reset: 1;
		uint8_t Auto_SR_en: 1;
		uint8_t OTP_Read: 1;
		uint8_t Res0: 1;
	}Bit;
	uint8_t Byte;
}MMC5983RegCtrl0;

typedef union {
	struct {
		uint8_t BW: 2;
		uint8_t X_Inhibit: 1;
		uint8_t YZ_Inhibit: 2;
		uint8_t Res0: 2;
		uint8_t SW_RST: 1;
	}Bit;
	uint8_t Byte;
}MMC5983RegCtrl1;

typedef union {
	struct {
		uint8_t Cm_freq: 3;
		uint8_t Cmm_en: 1;
		uint8_t Prd_set: 3;
		uint8_t En_prd_set: 1;
	}Bit;
	uint8_t Byte;
}MMC5983RegCtrl2;

typedef union {
	struct {
		uint8_t Res0: 1;
		uint8_t St_enp: 1;
		uint8_t St_enm: 1;
		uint8_t Res1: 3;
		uint8_t Spi_3w: 1;
		uint8_t Res2: 1;
	}Bit;
	uint8_t Byte;
}MMC5983RegCtrl3;

typedef enum{
	MMC5983_STATUS_IDLE,
	MMC5983_STATUS_START,
	MMC5983_STATUS_DELAY,
	MMC5983_STATUS_WAIT_DELAY,
	MMC5983_STATUS_READ,
	MMC5983_STATUS_WAIT_READ,
	MMC5983_STATUS_STOP,
}MMC5983Status_m;


typedef struct {
	MMC5983Status_m Status;
	uint16_t MMC5983Delay1mSCnt;
	float Mag[3];
	int32_t Mag_Original[XYZ];
}MMC5983Var_t;

void MMC5983LoopHandler(void);
void MMC59831mSRoutine(void);
void MMC5983Init(void);
void MMC5983Start(void);
void MMC5983Stop(void);
void MMC5983IntCallBack(void);

void MMC5983Calib(void);
void MMC5983GetADValue(int32_t *Mag);
void MMC5983_Get_Mag(float *mag);
MMC5983Status_m GetMMC5983Status(void);
void MMC5983StartRead(void);
bool GetMMC5983CalibStatus(void);
#endif



/* end of ak8975.h */