C++ (Cpp) SPIx_SCK_GPIO_CLK_ENABLEの例

コード例 #1

ファイル: stm32f4xx_hal_msp.c プロジェクト: Joe-Merten/Stm32-Tools-Evaluation

/**
  * @brief SPI MSP Initialization
  *        This function configures the hardware resources used in this example:
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
  GPIO_InitTypeDef  GPIO_InitStruct;

  /*##-1- Enable GPIO Clocks #################################################*/
  /* Enable GPIO TX/RX clock */
  SPIx_SCK_GPIO_CLK_ENABLE();
  SPIx_MISO_GPIO_CLK_ENABLE();
  SPIx_MOSI_GPIO_CLK_ENABLE();

  /*##-2- Configure peripheral GPIO ##########################################*/
  /* SPI SCK GPIO pin configuration  */
  GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLDOWN;
  GPIO_InitStruct.Speed     = GPIO_SPEED_FAST;
  GPIO_InitStruct.Alternate = SPIx_SCK_AF;
  HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

  /* SPI MISO GPIO pin configuration  */
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Pin       = SPIx_MISO_PIN;
  HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);

  /* SPI MOSI GPIO pin configuration  */
  GPIO_InitStruct.Pin       = SPIx_MOSI_PIN;
  HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);

  /*##-3- Enable SPI peripheral Clock ########################################*/
  SPIx_CLK_ENABLE();
}

コード例 #2

ファイル: stm32f1xx_hal_msp.c プロジェクト: NjordCZ/STM32Cube_FW_F1

/**
  * @brief SPI MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef  GPIO_InitStruct;

  if(hspi->Instance == SPIx)
  {     
    /*##-1- Enable peripherals and GPIO Clocks #################################*/
    /* Enable GPIO TX/RX clock */
    SPIx_SCK_GPIO_CLK_ENABLE();
    SPIx_MISO_GPIO_CLK_ENABLE();
    SPIx_MOSI_GPIO_CLK_ENABLE();
    /* Enable SPI clock */
    SPIx_CLK_ENABLE(); 
    
    /*##-2- Configure peripheral GPIO ##########################################*/  
    /* SPI SCK GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull      = GPIO_PULLDOWN;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MISO GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MISO_PIN;
    HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MOSI GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
    HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
  }
}

コード例 #3

ファイル: stm32f4xx_hal_msp.c プロジェクト: etxmsol/stm32f429iDisco_nRF24L01p_pingtest

/**
  * @brief SPI MSP Initialization
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  *           - NVIC configuration for SPI interrupt request enable
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
  GPIO_InitTypeDef  GPIO_InitStruct;

  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* Enable GPIO TX/RX clock */
  SPIx_SCK_GPIO_CLK_ENABLE();
  SPIx_MISO_GPIO_CLK_ENABLE();
  SPIx_MOSI_GPIO_CLK_ENABLE();
  GPIO_CS_CE_CLK_ENABLE();

  /* Enable SPI clock */
  SPIx_CLK_ENABLE();

  /*##-2- Configure peripheral GPIO ##########################################*/
  /* SPI SCK GPIO pin configuration  */
  GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Speed     = GPIO_SPEED_FAST;
  GPIO_InitStruct.Alternate = SPIx_SCK_AF;
  
  HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

  /* SPI MISO GPIO pin configuration  */
  GPIO_InitStruct.Pin = SPIx_MISO_PIN;
  GPIO_InitStruct.Alternate = SPIx_MISO_AF;
  
  HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
  
  /* SPI MOSI GPIO pin configuration  */
  GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
  GPIO_InitStruct.Alternate = SPIx_MOSI_AF;

  HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);

  /* CSN and CE GPIO pin configuration */
  GPIO_InitStruct.Pin 		= GPIO_Pin_CE;
  GPIO_InitStruct.Mode      = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull 		= GPIO_PULLDOWN;
  GPIO_InitStruct.Alternate = 0;

  HAL_GPIO_Init(GPIO_CS_CE, &GPIO_InitStruct);

  GPIO_InitStruct.Pin 		= GPIO_Pin_CS;
  GPIO_InitStruct.Mode      = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull 		= GPIO_PULLUP;
  GPIO_InitStruct.Alternate = 0;

  HAL_GPIO_Init(GPIO_CS_CE, &GPIO_InitStruct);


  /*##-3- Configure the NVIC for SPI #########################################*/
  /* NVIC for SPI */
  HAL_NVIC_SetPriority(SPIx_IRQn, 0, 1);
  HAL_NVIC_EnableIRQ(SPIx_IRQn);
}

コード例 #4

ファイル: module_mpu9250.c プロジェクト: zxbing2005/RedBeanSprout

/*====================================================================================================*/
void MPU9250_Config( void )
{
  GPIO_InitTypeDef GPIO_InitStruct;

  /* SPI Clk ******************************************************************/
  SPIx_CS_GPIO_CLK_ENABLE();
  SPIx_SCK_GPIO_CLK_ENABLE();
  SPIx_SDO_GPIO_CLK_ENABLE();
  SPIx_SDI_GPIO_CLK_ENABLE();
  SPIx_CLK_ENABLE();

  /* SPI Pin ******************************************************************/
  GPIO_InitStruct.Mode      = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Speed     = GPIO_SPEED_HIGH;

  GPIO_InitStruct.Pin       = SPIx_CS_PIN;
  HAL_GPIO_Init(SPIx_CS_GPIO_PORT, &GPIO_InitStruct);

  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Speed     = GPIO_SPEED_HIGH;

  GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
  HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

  GPIO_InitStruct.Pin       = SPIx_SDO_PIN;
  HAL_GPIO_Init(SPIx_SDO_GPIO_PORT, &GPIO_InitStruct);

  GPIO_InitStruct.Pin       = SPIx_SDI_PIN;
  HAL_GPIO_Init(SPIx_SDI_GPIO_PORT, &GPIO_InitStruct);

  SPIx_CS_H;  // 低電位有效

  /* SPI Init ****************************************************************/
  SPI_HandleStruct.Instance               = SPIx;
  SPI_HandleStruct.Init.Mode              = SPI_MODE_MASTER;
  SPI_HandleStruct.Init.Direction         = SPI_DIRECTION_2LINES;
  SPI_HandleStruct.Init.DataSize          = SPI_DATASIZE_8BIT;
  SPI_HandleStruct.Init.CLKPolarity       = SPI_POLARITY_HIGH;
  SPI_HandleStruct.Init.CLKPhase          = SPI_PHASE_2EDGE;
  SPI_HandleStruct.Init.NSS               = SPI_NSS_SOFT;
  SPI_HandleStruct.Init.BaudRatePrescaler = SPIx_SPEED_LOW;
  SPI_HandleStruct.Init.FirstBit          = SPI_FIRSTBIT_MSB;
  SPI_HandleStruct.Init.TIMode            = SPI_TIMODE_DISABLE;
  SPI_HandleStruct.Init.CRCCalculation    = SPI_CRCCALCULATION_ENABLE;
  SPI_HandleStruct.Init.CRCPolynomial     = 7;
  HAL_SPI_Init(&SPI_HandleStruct);

  __HAL_SPI_ENABLE(&SPI_HandleStruct);
}

コード例 #5

ファイル: stm32f3xx_hal_msp.c プロジェクト: PaxInstruments/STM32CubeF3

/**
  * @brief SPI MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef  GPIO_InitStruct;

  if(hspi->Instance == SPIx)
  {     
    /*##-1- Enable peripherals and GPIO Clocks #################################*/
    /* Enable GPIO TX/RX clock */
    SPIx_SCK_GPIO_CLK_ENABLE();
    SPIx_MISO_GPIO_CLK_ENABLE();
    SPIx_MOSI_GPIO_CLK_ENABLE();
    /* Enable SPI clock */
    SPIx_CLK_ENABLE(); 
    
    /*##-2- Configure peripheral GPIO ##########################################*/  
    /* SPI SCK GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
#ifdef MASTER_BOARD
    GPIO_InitStruct.Pull      = GPIO_PULLDOWN;
#else
    GPIO_InitStruct.Pull      = GPIO_NOPULL;
#endif
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = SPIx_SCK_AF;
    HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

    /* Salve tx/rx pin */
#ifndef MASTER_BOARD
    /* SPI MISO GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_MISO_PIN;
    GPIO_InitStruct.Pull      = GPIO_NOPULL;
    GPIO_InitStruct.Alternate = SPIx_MISO_AF;
    HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
#endif

    /* master tx/rx PIN */
#ifdef MASTER_BOARD
    /* SPI MOSI GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_MOSI_PIN;
    GPIO_InitStruct.Pull      = GPIO_PULLUP;
    GPIO_InitStruct.Alternate = SPIx_MOSI_AF;
    HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
#endif    
  }
}

コード例 #6

ファイル: stm32l0xx_hal_msp.c プロジェクト: pengphei/STM32Cube_L0

/**
  * @brief SPI MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  *           - NVIC configuration for SPI interrupt request enable
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef  GPIO_InitStruct;

  if (hspi->Instance == SPIx)
  {
    /*##-1- Enable peripherals and GPIO Clocks #################################*/
    /* Enable GPIO TX/RX clock */
    SPIx_SCK_GPIO_CLK_ENABLE();
    SPIx_MISO_GPIO_CLK_ENABLE();
    SPIx_MOSI_GPIO_CLK_ENABLE();
    /* Enable SPI clock */
    SPIx_CLK_ENABLE();

    /*##-2- Configure peripheral GPIO ##########################################*/
    /* SPI SCK GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull      = GPIO_PULLDOWN;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = SPIx_SCK_AF;
    HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MISO GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MISO_PIN;
    GPIO_InitStruct.Alternate = SPIx_MISO_AF;
    HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MOSI GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
    GPIO_InitStruct.Alternate = SPIx_MOSI_AF;
    HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);

    /*##-3- Configure the NVIC for SPI #########################################*/
    /* NVIC for SPI */
    HAL_NVIC_SetPriority(SPIx_IRQn, 1, 0);
    HAL_NVIC_EnableIRQ(SPIx_IRQn);
  }
}

コード例 #7

ファイル: stm32f4xx_hal_msp.c プロジェクト: PaxInstruments/STM32CubeF4

/**
  * @brief SPI MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  *           - DMA configuration for transmission request by peripheral 
  *           - NVIC configuration for DMA interrupt request enable
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
  static DMA_HandleTypeDef hdma_tx;
  static DMA_HandleTypeDef hdma_rx;
  
  GPIO_InitTypeDef  GPIO_InitStruct;
  
  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* Enable GPIO TX/RX clock */
  SPIx_SCK_GPIO_CLK_ENABLE();
  SPIx_MISO_GPIO_CLK_ENABLE();
  SPIx_MOSI_GPIO_CLK_ENABLE();
  /* Enable SPI3 clock */
  SPIx_CLK_ENABLE(); 
  /* Enable DMA1 clock */
  DMAx_CLK_ENABLE();   
  
  /*##-2- Configure peripheral GPIO ##########################################*/  
  /* SPI SCK GPIO pin configuration  */
  GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Speed     = GPIO_SPEED_FAST;
  GPIO_InitStruct.Alternate = SPIx_SCK_AF;
  
  HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);
    
  /* SPI MISO GPIO pin configuration  */
  GPIO_InitStruct.Pin = SPIx_MISO_PIN;
  GPIO_InitStruct.Alternate = SPIx_MISO_AF;
  
  HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
  
  /* SPI MOSI GPIO pin configuration  */
  GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
  GPIO_InitStruct.Alternate = SPIx_MOSI_AF;
    
  HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
    
  /*##-3- Configure the DMA streams ##########################################*/
  /* Configure the DMA handler for Transmission process */
  hdma_tx.Instance                 = SPIx_TX_DMA_STREAM;
  
  hdma_tx.Init.Channel             = SPIx_TX_DMA_CHANNEL;
  hdma_tx.Init.Direction           = DMA_MEMORY_TO_PERIPH;
  hdma_tx.Init.PeriphInc           = DMA_PINC_DISABLE;
  hdma_tx.Init.MemInc              = DMA_MINC_ENABLE;
  hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  hdma_tx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
  hdma_tx.Init.Mode                = DMA_NORMAL;
  hdma_tx.Init.Priority            = DMA_PRIORITY_LOW;
  hdma_tx.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;         
  hdma_tx.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
  hdma_tx.Init.MemBurst            = DMA_MBURST_INC4;
  hdma_tx.Init.PeriphBurst         = DMA_PBURST_INC4;
  
  HAL_DMA_Init(&hdma_tx);   
  
  /* Associate the initialized DMA handle to the the SPI handle */
  __HAL_LINKDMA(hspi, hdmatx, hdma_tx);
    
  /* Configure the DMA handler for Transmission process */
  hdma_rx.Instance                 = SPIx_RX_DMA_STREAM;
  
  hdma_rx.Init.Channel             = SPIx_RX_DMA_CHANNEL;
  hdma_rx.Init.Direction           = DMA_PERIPH_TO_MEMORY;
  hdma_rx.Init.PeriphInc           = DMA_PINC_DISABLE;
  hdma_rx.Init.MemInc              = DMA_MINC_ENABLE;
  hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  hdma_rx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
  hdma_rx.Init.Mode                = DMA_NORMAL;
  hdma_rx.Init.Priority            = DMA_PRIORITY_HIGH;
  hdma_rx.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;         
  hdma_rx.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
  hdma_rx.Init.MemBurst            = DMA_MBURST_INC4;
  hdma_rx.Init.PeriphBurst         = DMA_PBURST_INC4; 

  HAL_DMA_Init(&hdma_rx);
    
  /* Associate the initialized DMA handle to the the SPI handle */
  __HAL_LINKDMA(hspi, hdmarx, hdma_rx);
    
  /*##-4- Configure the NVIC for DMA #########################################*/ 
  /* NVIC configuration for DMA transfer complete interrupt (SPI3_TX) */
  HAL_NVIC_SetPriority(SPIx_DMA_TX_IRQn, 0, 1);
  HAL_NVIC_EnableIRQ(SPIx_DMA_TX_IRQn);
    
  /* NVIC configuration for DMA transfer complete interrupt (SPI3_RX) */
  HAL_NVIC_SetPriority(SPIx_DMA_RX_IRQn, 0, 0);   
  HAL_NVIC_EnableIRQ(SPIx_DMA_RX_IRQn);
}

コード例 #8

ファイル: stm32f1xx_hal_msp.c プロジェクト: dazuo78/TBall

/**
  * @brief SPI MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  *           - DMA configuration for transmission request by peripheral 
  *           - NVIC configuration for DMA interrupt request enable
  * @param hspi: SPI handle pointer
  * @retval None
  */
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef  GPIO_InitStruct;
	
  if (hspi->Instance == SPIx)
  {
    /*##-1- Enable peripherals and GPIO Clocks #################################*/
    /* Enable GPIO TX/RX clock */
    SPIx_SCK_GPIO_CLK_ENABLE();
    SPIx_MISO_GPIO_CLK_ENABLE();
    SPIx_MOSI_GPIO_CLK_ENABLE();
    /* Enable SPI2 clock */
    SPIx_CLK_ENABLE();
    /* Enable DMA clock */
    DMAx_CLK_ENABLE();

    /*##-2- Configure peripheral GPIO ##########################################*/  
    /* SPI SCK GPIO pin configuration  */
    GPIO_InitStruct.Pin       = SPIx_SCK_PIN;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull      = GPIO_PULLDOWN;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MISO GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MISO_PIN;
    HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);

    /* SPI MOSI GPIO pin configuration  */
    GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
    HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);

    /*##-3- Configure the DMA ##################################################*/
    /* Configure the DMA handler for Transmission process */
    hdma_tx.Instance                 = SPIx_TX_DMA_CHANNEL;
    hdma_tx.Init.Direction           = DMA_MEMORY_TO_PERIPH;
    hdma_tx.Init.PeriphInc           = DMA_PINC_DISABLE;
    hdma_tx.Init.MemInc              = DMA_MINC_ENABLE;
    hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_tx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
    hdma_tx.Init.Mode                = DMA_NORMAL;
    hdma_tx.Init.Priority            = DMA_PRIORITY_LOW;

    HAL_DMA_Init(&hdma_tx);

    /* Associate the initialized DMA handle to the the SPI handle */
    __HAL_LINKDMA(hspi, hdmatx, hdma_tx);

    /* Configure the DMA handler for Transmission process */
    hdma_rx.Instance                 = SPIx_RX_DMA_CHANNEL;

    hdma_rx.Init.Direction           = DMA_PERIPH_TO_MEMORY;
    hdma_rx.Init.PeriphInc           = DMA_PINC_DISABLE;
    hdma_rx.Init.MemInc              = DMA_MINC_ENABLE;
    hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_rx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
    hdma_rx.Init.Mode                = DMA_NORMAL;
    hdma_rx.Init.Priority            = DMA_PRIORITY_HIGH;

    HAL_DMA_Init(&hdma_rx);

    /* Associate the initialized DMA handle to the the SPI handle */
    __HAL_LINKDMA(hspi, hdmarx, hdma_rx);
    
    /*##-4- Configure the NVIC for DMA #########################################*/ 
    /* NVIC configuration for DMA transfer complete interrupt (SPI2_TX) */
    HAL_NVIC_SetPriority(SPIx_DMA_TX_IRQn, 1, 1);
    HAL_NVIC_EnableIRQ(SPIx_DMA_TX_IRQn);
    
    /* NVIC configuration for DMA transfer complete interrupt (SPI2_RX) */
    HAL_NVIC_SetPriority(SPIx_DMA_RX_IRQn, 1, 0);
    HAL_NVIC_EnableIRQ(SPIx_DMA_RX_IRQn);
  }
}