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標題: STM32F4-ADXL355驅動程序 [打印本頁]

作者: nqc 時間: 2020-11-24 10:04
標題: STM32F4-ADXL355驅動程序
/*
*********************************************************************************************************
*
*       文件名稱 : bsp_ADXL355.c
*       版本 : V1.0
*       說明 : ACC-ADXL355 模塊驅動文件
*       作者 : Mr. Albert Chen
*
*********************************************************************************************************
*/
#include "bsp_ADXL355.h"
u8 res=0;
/*
*********************************************************************************************************
*       函數名: ADXL355_SPI2_Init
*       功能說明: 配置ADXL355的硬件SPI2的GPIO端口和硬件SPI2的相關設置，并將SPI2初始化
*       形參: 無
*       返回值: 無
*********************************************************************************************************
*/
void ADXL355_SPI2_Init(void)
{
      GPIO_InitTypeDef       GPIO_InitStructure;
      SPI_InitTypeDef             SPI_InitStructure;

      RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);       //使能GPIOB時鐘
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);       //使能SPI2時鐘

      GPIO_PinAFConfig(GPIOB,GPIO_PinSource13,GPIO_AF_SPI2);       //PB13復用為 SPI2
      GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_SPI2);       //PB14復用為 SPI2
      GPIO_PinAFConfig(GPIOB,GPIO_PinSource15,GPIO_AF_SPI2);       //PB15復用為 SPI2

      //GPIOB_12,13,14,15初始化設置
      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;                      //PB12-SPI2_NCS
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;             //普通輸出模式
      GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;             //推挽輸出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //50MHz
      GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;             //上拉
      GPIO_Init(GPIOB, &GPIO_InitStructure);                               //初始化

      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;                      //PB13-SPI2_SCLK
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;             //復用功能
      GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;             //推挽輸出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //50MHz
      GPIO_Init(GPIOB, &GPIO_InitStructure);                               //初始化

      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;                      //PB14-SPI2_MISO
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;             //復用功能
      GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;             //推挽輸出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //50MHz
      GPIO_Init(GPIOB, &GPIO_InitStructure);                               //初始化

      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;                      //PB15-SPI2_MOSI
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;             //復用功能
      GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;             //推挽輸出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //50MHz
      GPIO_Init(GPIOB, &GPIO_InitStructure);                               //初始化

      //這里對SPI口初始化
      RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2,ENABLE);       //使能復位SPI2
      RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2,DISABLE);//停止復位SPI2

      SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;  //雙全工
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;                                                 //主機
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;                                        //8位數據傳輸模式
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;                                                 //空閑時低電平             |CPOL=0|
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;                                              //第一個時鐘開始采樣       |CPHA=0|
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;                                                       //軟件控制NSS
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32;       //sclk<10MHz       32分頻 84M/32=2.6M
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;                                        //高位在前
SPI_InitStructure.SPI_CRCPolynomial = 7;                                                       //CRC校驗
SPI_Init(SPI2, &SPI_InitStructure);                                                                      //初始化SPI2

      SPI_Cmd(SPI2, ENABLE);       //使能SPI2

      CS_ADXL355_HIGH;             //將SPI片選端口拉高,初始化SPI2后先不使能它
}

/*
*********************************************************************************************************
*       函數名: ADXL355_SPI_Write
*       功能說明: 通過STM32的硬件SPI向ADXL355中寫入數據、命令、寄存器地址
*       形參: address                - ACC register address
                        Data                      - value to be written in 1 register write
                        Data2                - 2nd value to be written in 2 register write
                        enWriteData       - write mode
*       返回值: 無
*       備       注:
*********************************************************************************************************
*/
void ADXL355_SPI_Write(uint8_t address, uint8_t Data, uint8_t Data2, enWriteData enMode)
{
      uint8_t writeAddress;
      writeAddress = ((address <<1)|ADXL355_WRITE);

      if(enMode == SPI_WRITE_ONE_REG)
      {
            CS_ADXL355_LOW;
            /* Send register address */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,writeAddress);
            /** Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* Send value to be written */
            SPI_I2S_SendData(SPI2,Data);
            /** Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            Delay_us(2);
            CS_ADXL355_HIGH;
      }


      if(enMode == SPI_WRITE_TWO_REG)
      {
            CS_ADXL355_LOW;

            /* Send register address */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,writeAddress);
            /** Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* Send 1st value to be written */
            SPI_I2S_SendData(SPI2,Data);
            /** Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* Send 2nd value to be written */
            SPI_I2S_SendData(SPI2,Data2);
            /** Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            Delay_us(2);
            CS_ADXL355_HIGH;
}
}

/*
*********************************************************************************************************
*       函數名: ADXL355_SPI_Read
*       功能說明: 通過STM32的硬件SPI從ADXL355中讀取數據一個地址或兩個地址的數據
*       形參: address       - register address
                        enRegs       - register number
*       返回值: 讀取的結果
*       備       注:
*********************************************************************************************************
*/
uint32_t ADXL355_SPI_Read(uint8_t address, enRegsNum enRegs)
{

      uint32_t Result = 0;

      uint32_t valueL = 0;
      uint32_t valueM = 0;
      uint32_t valueH = 0;

      uint8_t writeAddress;
      writeAddress = ((address <<1)|ADXL355_READ);

      CS_ADXL355_LOW;

      if(enRegs == SPI_READ_ONE_REG)
      {
            /* Send register address */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,writeAddress);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* 發送偽字節去得到寄存器收到的數據 */
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueL = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */

            Result = valueL;       /* Set read result*/
      }
      if(enRegs == SPI_READ_TWO_REG)             /* Only used for Temp & X,Y,Z offset and threshold registers*/
      {
            /* Send register address */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,writeAddress);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* 發送偽字節去得到寄存器收到的數據 */
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueL = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */
            /* 發送偽字節去得到寄存器收到的數據 */
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueH = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */

            Result = ((valueH << 8) | valueL);       /* Set read result*/

      }
      if(enRegs == SPI_READ_THREE_REG)       /* Only used for X,Y,Z axis data registers*/
      {
            /* Send register address */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,writeAddress);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            SPI_I2S_ReceiveData(SPI2);
            /* 發送偽字節去得到寄存器收到的數據 */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueH = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */
            /* 發送偽字節去得到寄存器收到的數據 */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueM = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */
            /* 發送偽字節去得到寄存器收到的數據 */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE) != SET);
            SPI_I2S_SendData(SPI2,0xAA);
            /* Wait until received */
            while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE) != SET);
            valueL = SPI_I2S_ReceiveData(SPI2);       /* One dummy read */

            Result = ((valueH << 16) | (valueM << 8) | valueL); /* Set read result*/

      }

      CS_ADXL355_HIGH;

      return Result;
}

/*
*********************************************************************************************************
*       函數名: ADXL355_Init
*       功能說明: 配置ADXL355的寄存器，將加速度計初始化
*       形參: 無
*       返回值: 無
*       備       注: 各寄存器詳見頭文件
*********************************************************************************************************
*/
void ADXL355_Init(void)
{
//       ADXL355_SPI_Write(RANGE, 0x82, 0x00, SPI_WRITE_ONE_REG);             /* Set sensor range 4G */
//       Delay_ms(20);
//       ADXL355_SPI_Write(FILTER,0x04, 0x00, SPI_WRITE_ONE_REG);             /* ODR 250Hz,LPF 62.5Hz*/
//       Delay_ms(20);
//
      //這里按照金亮師兄的進行修改
      ADXL355_SPI_Write(RESET, 0x52,0x00,SPI_WRITE_ONE_REG);
      Delay_ms(20);
  res=ADXL355_SPI_Read(PARTID,SPI_READ_ONE_REG);
      if(res==0xED){

      ADXL355_SPI_Write(RANGE, 0x82, 0x00, SPI_WRITE_ONE_REG);             /* Set sensor range 4G */
      Delay_ms(20);
      ADXL355_SPI_Write(FILTER,0x04, 0x00, SPI_WRITE_ONE_REG);             /* ODR 250Hz,LPF 62.5Hz*/
      Delay_ms(20);
      }


//       uint32_t volatile ui32test ,ui32test2 ,ui32test3 ,ui32test4;
//       ui32test  = ADXL355_SPI_Read(DEVID_AD, SPI_READ_ONE_REG);                /* Read the ID register */
//       ui32test2 = ADXL355_SPI_Read(DEVID_MST, SPI_READ_ONE_REG);                /* Read the ID register */
//       ui32test3 = ADXL355_SPI_Read(PARTID, SPI_READ_ONE_REG);                /* Read the ID register */
//       ui32test4 = ADXL355_SPI_Read(RANGE, SPI_READ_ONE_REG);                /* Read the ID register */
}

/*
*********************************************************************************************************
*       函數名: ADXL355_Start_Sensor
*       功能說明: 開啟ADXL355測量模式
*       形參: 無
*       返回值: 無
*       備       注:
*********************************************************************************************************
*/
void ADXL355_Start_Sensor(void)
{
      uint8_t temp;

      temp = (uint8_t)ADXL355_SPI_Read(POWER_CTL, SPI_READ_ONE_REG);       /* Read POWER_CTL register, before modifying it */

      temp = temp & 0xFE;                                                                                              /* Set measurement bit in POWER_CTL register */

      ADXL355_SPI_Write(POWER_CTL, 0x00, 0x00, SPI_WRITE_ONE_REG);       /* Write the new value to POWER_CTL register */
}

/*
*********************************************************************************************************
*       函數名: ADIS16445_AccRead
*       功能說明: Reads the accelerometer data.
*       形參: *AccData_original
*       返回值: 無
*       備       注: 1.因為spi讀取存在一個周期的時間差，因此發送XACCL_OUT地址后下一個周期讀的數才為X軸數據
*                         以此類推
*                         2.緩存【1】original_data_buf       IMU輸出的原始數據
*********************************************************************************************************
*/

int32_t ADXL355_Acceleration_Data_Conversion (uint32_t SensorData)
{
int32_t volatile Conversion = 0;

SensorData = (SensorData  >> 4);
SensorData = (SensorData & 0x000FFFFF);

if((SensorData & 0x00080000)  == 0x00080000){

      Conversion = (SensorData | 0xFFF00000);

}
else{
      Conversion = SensorData;
}

return Conversion;
}

void ADXL355_Data_Scan(int32_t *AccData_original_32)
{
      uint32_t SensorX,SensorY,SensorZ;
      //SensorX = ADXL355_SPI_Read(XDATA3, SPI_READ_THREE_REG);

      SensorX = ADXL355_SPI_Read(XDATA3, SPI_READ_THREE_REG);
      SensorY = ADXL355_SPI_Read(YDATA3, SPI_READ_THREE_REG);
      SensorZ = ADXL355_SPI_Read(ZDATA3, SPI_READ_THREE_REG);

      AccData_original_32[0] = ADXL355_Acceleration_Data_Conversion(SensorY);
      AccData_original_32[1] = -ADXL355_Acceleration_Data_Conversion(SensorX);
      AccData_original_32[2] = ADXL355_Acceleration_Data_Conversion(SensorZ);

}

全部資料51hei下載地址：

BSP_ADXL355.rar (3.85 KB, 下載次數: 95)

作者: zlxt 時間: 2022-5-9 17:30
超棒的帖子頂一個！

作者: 111666888999 時間: 2022-8-11 14:08
要是一個完整的工程文件就好了，不過也很有用，謝謝樓主了

作者: shower721 時間: 2023-7-20 22:23
好的，謝謝，要是有DMA讀FIFO數據就更好了

歡迎光臨 (http://m.zg4o1577.cn/bbs/)