tail_light_stm8/usr/inc/sc7a20.h

#ifndef _SC7A20_H

#include "stm8s.h"

#define SDO 0
#if (SDO == 1)
#define SC7A20_I2C_ADDR 0x19	//I2C写地址：7位I2C地址+一位写
#else
#define SC7A20_I2C_ADDR 0x18	//I2C写地址：7位I2C地址+一位写
#endif

#define SC7A20_REG_WHO_AM_I     0x0F
#define SC7A20_REG_MODE         0x1F
#define SC7A20_REG_CTRL_1	0x20
#define SC7A20_REG_CTRL_2	0x21
#define SC7A20_REG_CTRL_3	0x22
#define SC7A20_REG_CTRL_4	0x23
#define SC7A20_REG_CTRL_5	0x24
#define SC7A20_REG_CTRL_6	0x25

#define SC7A20_REG_STATUS       0x27

#define SC7A20_REG_X_L          0x28
#define SC7A20_REG_X_H          0x29
#define SC7A20_REG_Y_L          0x2A
#define SC7A20_REG_Y_H          0x2B
#define SC7A20_REG_Z_L          0x2C
#define SC7A20_REG_Z_H          0x2D

#define SC7A20_REG_CTRL_INT1    0x30
#define SC7A20_REG_STATUS_INT1  0x31
#define SC7A20_REG_TH_INT1      0x32
#define SC7A20_REG_DELAY_INT1   0x33

#define SC7A20_REG_CTRL_INT2    0x34
#define SC7A20_REG_STATUS_INT2  0x35
#define SC7A20_REG_TH_INT2      0x36
#define SC7A20_REG_DELAY_INT2   0x37
#define SC7A20_REG_CLICK_CRTL   0x38
#define SC7A20_REG_CLICK_SRC    0x39
#define SC7A20_REG_CLICK_COEFF1 0x3A
#define SC7A20_REG_CLICK_COEFF2 0x3B
#define SC7A20_REG_CLICK_COEFF3 0x3C
#define SC7A20_REG_CLICK_COEFF4 0x3D
#define SC7A20_REG_DIG_CTRL     0x57

extern void SC7A20_Write_Byte(uint8_t RAddr, uint8_t WData);
extern void SC7A20_Read_Byte(uint8_t RAddr, uint8_t *RData);
extern void SC7A20_Init(void);
extern void SC7A20_GetInfo(int16_t* x, int16_t* y, int16_t* z);

#endif