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208 lines
8.5 KiB
208 lines
8.5 KiB
1 year ago
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#ifndef __SL_SC7A20_FREEFALL_DRIVER_H__
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#define __SL_SC7A20_FREEFALL_DRIVER_H__
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/***使用驱动前请根据实际接线情况配置******/
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/**SC7A20的SDO 脚接地： 0****************/
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/**SC7A20的SDO 脚接电源：1****************/
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#define SC7A20_SDO_VDD_GND 1
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/*****************************************/
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/***使用驱动前请根据实际IIC情况进行配置***/
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/**SC7A20的IIC 接口地址类型 7bits： 0****/
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/**SC7A20的IIC 接口地址类型 8bits： 1****/
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#define SC7A20_IIC_7BITS_8BITS 0
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/*****************************************/
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#define SL_SC7A20_16BIT_8BIT 1
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/**SC7A20的数据位数选择 16bits： 1****/
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/**SC7A20的数据位数选择 8bits： 0****/
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/*****************************************/
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#define SL_SC7A20_SPI_IIC_MODE 1
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/**SC7A20 SPI IIC 选择 SPI： 0****/
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/**SC7A20 SPI IIC 选择 IIC： 1****/
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/*****************************************/
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#if SC7A20_SDO_VDD_GND==0
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#define SC7A20_IIC_7BITS_ADDR 0x18
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#define SC7A20_IIC_8BITS_ADDR 0x30
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#else
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#define SC7A20_IIC_7BITS_ADDR 0x19
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#define SC7A20_IIC_8BITS_ADDR 0x32
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#endif
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#if SC7A20_IIC_7BITS_8BITS==0
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#define SC7A20_IIC_ADDRESS SC7A20_IIC_7BITS_ADDR
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#else
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#define SC7A20_IIC_ADDRESS SC7A20_IIC_8BITS_ADDR
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#endif
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#define SC7A20_CHIP_ID_ADDRESS (unsigned char)0x0F
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#define SC7A20_CHIP_ID_VALUE (unsigned char)0x11
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#define SL_SC7A20_CTRL_REG1 (unsigned char)0x20
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#define SL_SC7A20_CTRL_REG2 (unsigned char)0x21
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#define SL_SC7A20_CTRL_REG3 (unsigned char)0x22
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#define SL_SC7A20_CTRL_REG4 (unsigned char)0x23
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#define SL_SC7A20_CTRL_REG5 (unsigned char)0x24
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#define SL_SC7A20_CTRL_REG6 (unsigned char)0x25
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#define SL_SC7A20_STATUS_REG (unsigned char)0x27
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#define SL_SC7A20_OUT_X_L (unsigned char)0x28
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#define SL_SC7A20_OUT_X_H (unsigned char)0x29
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#define SL_SC7A20_OUT_Y_L (unsigned char)0x2A
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#define SL_SC7A20_OUT_Y_H (unsigned char)0x2B
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#define SL_SC7A20_OUT_Z_L (unsigned char)0x2C
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#define SL_SC7A20_OUT_Z_H (unsigned char)0x2D
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#define SL_SC7A20_FIFO_CTRL_REG (unsigned char)0x2E
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#define SL_SC7A20_FIFO_SRC_REG (unsigned char)0x2F
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#define SL_SC7A20_INT1_CFG (unsigned char)0x30
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#define SL_SC7A20_INT1_SRC (unsigned char)0x31
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#define SL_SC7A20_INT1_THS (unsigned char)0x32
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#define SL_SC7A20_INT1_DURATION (unsigned char)0x33
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#define SL_SC7A20_INT2_CFG (unsigned char)0x34
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#define SL_SC7A20_INT2_SRC (unsigned char)0x35
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#define SL_SC7A20_INT2_THS (unsigned char)0x36
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#define SL_SC7A20_INT2_DURATION (unsigned char)0x37
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#define SL_SC7A20_CLICK_CFG (unsigned char)0x38
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#define SL_SC7A20_CLICK_SRC (unsigned char)0x39
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#define SL_SC7A20_CLICK_THS (unsigned char)0x3A
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#define SL_SC7A20_TIME_LIMIT (unsigned char)0x3B
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#define SL_SC7A20_TIME_LATENCY (unsigned char)0x3C
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#define SL_SC7A20_TIME_WINDOW (unsigned char)0x3D
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#define SL_SC7A20_ACT_THS (unsigned char)0x3E
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#define SL_SC7A20_ACT_DURATION (unsigned char)0x3F
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/*连续读取数据时的数据寄存器地址*/
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#define SL_SC7A20_DATA_OUT (unsigned char)(SL_SC7A20_OUT_X_L|0x80)
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/**********特殊功能寄存器**********/
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/*非原厂技术人员请勿修改*/
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#define SL_SC7A20_MTP_ENABLE 0x00
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#define SL_SC7A20_MTP_CFG (unsigned char)0x1E
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#define SL_SC7A20_MTP_VALUE (unsigned char)0x05
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#define SL_SC7A20_SDOI2C_PU_CFG (unsigned char)0x57
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#define SL_SC7A20_SDO_PU_MSK (unsigned char)0x08
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#define SL_SC7A20_I2C_PU_MSK (unsigned char)0x04
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#define SL_SC7A20_HR_ENABLE (unsigned char)0X08
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#define SL_SC7A20_BOOT_ENABLE (unsigned char)0X80
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/*非原厂技术人员请勿修改*/
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/***************数据更新速率**加速度计使能**********/
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#define SL_SC7A20_ODR_POWER_DOWN (unsigned char)0x00
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#define SL_SC7A20_ODR_1HZ (unsigned char)0x17
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#define SL_SC7A20_ODR_10HZ (unsigned char)0x27
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#define SL_SC7A20_ODR_25HZ (unsigned char)0x37
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#define SL_SC7A20_ODR_50HZ (unsigned char)0x47
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#define SL_SC7A20_ODR_100HZ (unsigned char)0x57
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#define SL_SC7A20_ODR_200HZ (unsigned char)0x67
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#define SL_SC7A20_ODR_400HZ (unsigned char)0x77
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#define SL_SC7A20_ODR_1600HZ (unsigned char)0x87
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#define SL_SC7A20_ODR_1250HZ (unsigned char)0x97
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#define SL_SC7A20_ODR_5000HZ (unsigned char)0x9F
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#define SL_SC7A20_LOWER_POWER_ODR_1HZ (unsigned char)0x1F
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#define SL_SC7A20_LOWER_POWER_ODR_10HZ (unsigned char)0x2F
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#define SL_SC7A20_LOWER_POWER_ODR_25HZ (unsigned char)0x3F
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#define SL_SC7A20_LOWER_POWER_ODR_50HZ (unsigned char)0x4F
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#define SL_SC7A20_LOWER_POWER_ODR_100HZ (unsigned char)0x5F
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#define SL_SC7A20_LOWER_POWER_ODR_200HZ (unsigned char)0x6F
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#define SL_SC7A20_LOWER_POWER_ODR_400HZ (unsigned char)0x7F
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/***************数据更新速率**加速度计使能**********/
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/***************传感器量程设置**********************/
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#define SL_SC7A20_FS_2G (unsigned char)0x00
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#define SL_SC7A20_FS_4G (unsigned char)0x10
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#define SL_SC7A20_FS_8G (unsigned char)0x20
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#define SL_SC7A20_FS_16G (unsigned char)0x30
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/***************传感器量程设置**********************/
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/***取值在0-127之间，此处仅举例****/
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#define SL_SC7A20_INT1_THS_5PERCENT (unsigned char)0x06
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#define SL_SC7A20_INT1_THS_10PERCENT (unsigned char)0x0C
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#define SL_SC7A20_INT1_THS_20PERCENT (unsigned char)0x18
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#define SL_SC7A20_INT1_THS_40PERCENT (unsigned char)0x30
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#define SL_SC7A20_INT1_THS_80PERCENT (unsigned char)0x60
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/***取值在0-127之间，此处仅举例 乘以ODR单位时间****/
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#define SL_SC7A20_INT1_DURATION_2CLK (unsigned char)0x02
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#define SL_SC7A20_INT1_DURATION_5CLK (unsigned char)0x05
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#define SL_SC7A20_INT1_DURATION_10CLK (unsigned char)0x0A
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/***中断有效时的电平设置，高电平相当于上升沿，低电平相当于下降沿****/
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#define SL_SC7A20_INT_ACTIVE_LOWER_LEVEL 0x02 //0x02:中断时INT1脚输出 低电平
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#define SL_SC7A20_INT_ACTIVE_HIGH_LEVEL 0x00 //0x00:中断时INT1脚输出 高电平
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/***中断有效时的电平设置，高电平相当于上升沿，低电平相当于下降沿****/
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#define SL_SC7A20_INT_AOI1_INT1 0x40 //AOI1 TO INT1
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#define SL_SC7A20_INT_AOI2_INT1 0x20 //AOI2 TO INT1
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/********客户需要进行的IIC接口封包函数****************/
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extern unsigned char SL_SC7A20_I2c_Spi_Write(unsigned char sl_spi_iic,unsigned char reg, unsigned char dat);
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extern unsigned char SL_SC7A20_I2c_Spi_Read(unsigned char sl_spi_iic,unsigned char reg, unsigned char len, unsigned char *buf);
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/**SL_SC7A20_I2c_Spi_Write 函数中， sl_spi_iic:0=spi 1=i2c Reg：寄存器地址 data：寄存器的配置值******************/
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/**SL_SC7A20_I2c_Spi_Write 函数 是一个单次写的函数*******************************************************************/
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/***SL_SC7A20_I2c_Spi_Read 函数中， sl_spi_iic:0=spi 1=i2c Reg 同上，len:读取数据长度，buf:存储数据首地址（指针）***/
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/***SL_SC7A20_I2c_Spi_Read 函数 是可以进行单次读或多次连续读取的函数*************************************************/
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/*** 客户IIC函数封装举例
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unsigned char SL_MEMS_i2c_spi_Write(unsigned char reg, unsigned char data)
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{
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i2cWrite(SC7A20_IIC_ADDRESS, reg, data); //由客户的II函数接口决定
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return 1;
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}
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unsigned char SL_MEMS_i2c_spi_Read(unsigned char reg, unsigned char len, unsigned char *buf)
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{
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i2cRead( SC7A20_IIC_ADDRESS, reg, len, buf);//由客户的II函数接口决定
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return 1;
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}
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***/
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signed char SL_SC7A20_Online_Test(void);
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signed char SL_SC7A20_BOOT(void);
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signed char SL_SC7A20_FS_Config(unsigned char Sc7a20_FS_Reg);
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signed char SL_SC7A20_Power_Config(unsigned char Power_Config_Reg);
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signed char SL_SC7A20_FreeFall_Config(void);
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#if SL_SC7A20_16BIT_8BIT==0
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signed char SL_SC7A20_Read_XYZ_Data(signed char *SL_SC7A20_Data_XYZ_Buf);
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#elif SL_SC7A20_16BIT_8BIT==1
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signed char SL_SC7A20_Read_XYZ_Data(signed short *SL_SC7A20_Data_XYZ_Buf);
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#endif
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signed char SL_SC7A20_Freefall_Status(void);
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//步骤如下：
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//0.signed char SL_SC7A20_BOOT(void);
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//1.signed char SL_SC7A20_Online_Test(void);
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//2.signed char SL_SC7A20_FS_Config(unsigned char Sc7a20_FS_Reg);
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//3.signed char SL_SC7A20_Power_Config(unsigned char Power_Config_Reg);
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//4.signed char SL_SC7A20_FreeFall_Config(void);
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//6.signed char SL_SC7A20_Read_XYZ_Data(signed char *SL_SC7A20_Data_XYZ_Buf);
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//6.signed char SL_SC7A20_Read_XYZ_Data(signed short *SL_SC7A20_Data_XYZ_Buf);
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//7.signed char SL_SC7A20_Freefall_Status(void);
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#endif /* __SL_SC7A20_DRIVER_H */
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