V1.0

2026-04-01 10:17:34 +08:00
parent e18f9f13bf
commit fbc74b1e47
2 changed files with 483 additions and 0 deletions
@@ -0,0 +1,140 @@
+/**
+  *****************************************************************************
+  * @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 */
+
+