141 lines
2.8 KiB
C
141 lines
2.8 KiB
C
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/**
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*****************************************************************************
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* @file ak8975.h
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* @author WWJ
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* @version v1.0
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* @date 2019/04/09
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* @environment stm32f407
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* @brief
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*****************************************************************************
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**/
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#ifndef _MMC5983_H
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#define _MMC5983_H
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#include "bsp.h"
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#define X 0
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#define Y 1
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#define Z 2
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#define XYZ 3
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#define MAX(A, B) (A > B) ? A : B;
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#define MIN(A, B) (A < B) ? A : B;
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#define MMC5983_X_OUT_H 0X00 //Device ID = 0x48
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#define MMC5983_X_OUT_L 0X01
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#define MMC5983_Y_OUT_H 0X02
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#define MMC5983_Y_OUT_L 0X03
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#define MMC5983_Z_OUT_H 0X04
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#define MMC5983_Z_OUT_L 0X05
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#define MMC5983_XYZ_OUT 0X06
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#define MMC5983_TMP_OUT 0X07
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#define MMC5983_STATUS 0X08
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#define MMC5983_CTRL_0 0X09
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#define MMC5983_CTRL_1 0X0A
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#define MMC5983_CTRL_2 0X0B
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#define MMC5983_CTRL_3 0X0C
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#define MMC5983_ID 0X2F
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#define MMC5983_ADDRESS 0x30
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#define MMC5983_MAG_SCALE_16BIT 0.24414f
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#define MMC5983_MAG_SCALE_18BIT 0.061035f
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#define MMC5983Delay(x) delay_ms(x)
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typedef union {
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struct {
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uint8_t Meas_M_Done: 1;
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uint8_t Meas_T_Done: 1;
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uint8_t Res0: 2;
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uint8_t OTP_Read_Done: 1;
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uint8_t Res1: 3;
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}Bit;
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uint8_t Byte;
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}MMC5983RegStatus;
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typedef union {
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struct {
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uint8_t TM_M: 1;
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uint8_t TM_T: 1;
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uint8_t NT_meas_done_en: 1;
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uint8_t Set: 1;
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uint8_t Reset: 1;
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uint8_t Auto_SR_en: 1;
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uint8_t OTP_Read: 1;
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uint8_t Res0: 1;
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}Bit;
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uint8_t Byte;
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}MMC5983RegCtrl0;
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typedef union {
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struct {
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uint8_t BW: 2;
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uint8_t X_Inhibit: 1;
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uint8_t YZ_Inhibit: 2;
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uint8_t Res0: 2;
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uint8_t SW_RST: 1;
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}Bit;
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uint8_t Byte;
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}MMC5983RegCtrl1;
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typedef union {
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struct {
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uint8_t Cm_freq: 3;
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uint8_t Cmm_en: 1;
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uint8_t Prd_set: 3;
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uint8_t En_prd_set: 1;
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}Bit;
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uint8_t Byte;
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}MMC5983RegCtrl2;
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typedef union {
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struct {
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uint8_t Res0: 1;
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uint8_t St_enp: 1;
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uint8_t St_enm: 1;
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uint8_t Res1: 3;
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uint8_t Spi_3w: 1;
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uint8_t Res2: 1;
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}Bit;
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uint8_t Byte;
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}MMC5983RegCtrl3;
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typedef enum{
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MMC5983_STATUS_IDLE,
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MMC5983_STATUS_START,
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MMC5983_STATUS_DELAY,
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MMC5983_STATUS_WAIT_DELAY,
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MMC5983_STATUS_READ,
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MMC5983_STATUS_WAIT_READ,
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MMC5983_STATUS_STOP,
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}MMC5983Status_m;
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typedef struct {
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MMC5983Status_m Status;
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uint16_t MMC5983Delay1mSCnt;
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float Mag[3];
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int32_t Mag_Original[XYZ];
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}MMC5983Var_t;
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void MMC5983LoopHandler(void);
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void MMC59831mSRoutine(void);
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void MMC5983Init(void);
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void MMC5983Start(void);
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void MMC5983Stop(void);
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void MMC5983IntCallBack(void);
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void MMC5983Calib(void);
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void MMC5983GetADValue(int32_t *Mag);
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void MMC5983_Get_Mag(float *mag);
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MMC5983Status_m GetMMC5983Status(void);
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void MMC5983StartRead(void);
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bool GetMMC5983CalibStatus(void);
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#endif
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/* end of ak8975.h */
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