spi.c

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/* USER CODE BEGIN Header */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "bsp/spi.h"
#include "bsp/error.h"
 
/* USER CODE BEGIN 0 */
 
/* USER CODE END 0 */
 
SPI_HandleTypeDef hspi4;
 
/* SPI4 init function */
void MX_SPI4_Init(void)
{
 
  /* USER CODE BEGIN SPI4_Init 0 */
 
  /* USER CODE END SPI4_Init 0 */
 
  /* USER CODE BEGIN SPI4_Init 1 */
 
  /* USER CODE END SPI4_Init 1 */
  hspi4.Instance = SPI4;
  hspi4.Init.Mode = SPI_MODE_MASTER;
  hspi4.Init.Direction = SPI_DIRECTION_1LINE;
  hspi4.Init.DataSize = SPI_DATASIZE_8BIT;
  hspi4.Init.CLKPolarity = SPI_POLARITY_LOW;
  hspi4.Init.CLKPhase = SPI_PHASE_1EDGE;
  hspi4.Init.NSS = SPI_NSS_SOFT;
  hspi4.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
  hspi4.Init.FirstBit = SPI_FIRSTBIT_MSB;
  hspi4.Init.TIMode = SPI_TIMODE_DISABLE;
  hspi4.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  hspi4.Init.CRCPolynomial = 0x0;
  hspi4.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  hspi4.Init.NSSPolarity = SPI_NSS_POLARITY_LOW;
  hspi4.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA;
  hspi4.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
  hspi4.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
  hspi4.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE;
  hspi4.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE;
  hspi4.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE;
  hspi4.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE;
  hspi4.Init.IOSwap = SPI_IO_SWAP_DISABLE;
  if (HAL_SPI_Init(&hspi4) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN SPI4_Init 2 */
 
  /* USER CODE END SPI4_Init 2 */
 
}
 
void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
{
 
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  if(spiHandle->Instance==SPI4)
  {
  /* USER CODE BEGIN SPI4_MspInit 0 */
 
  /* USER CODE END SPI4_MspInit 0 */
 
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI4;
    PeriphClkInitStruct.Spi45ClockSelection = RCC_SPI45CLKSOURCE_D2PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }
 
    /* SPI4 clock enable */
    __HAL_RCC_SPI4_CLK_ENABLE();
 
    __HAL_RCC_GPIOE_CLK_ENABLE();
    GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_14;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI4;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
  /* USER CODE BEGIN SPI4_MspInit 1 */
 
  /* USER CODE END SPI4_MspInit 1 */
  }
}
 
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
{
 
  if(spiHandle->Instance==SPI4)
  {
  /* USER CODE BEGIN SPI4_MspDeInit 0 */
 
  /* USER CODE END SPI4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SPI4_CLK_DISABLE();
 
    HAL_GPIO_DeInit(GPIOE, GPIO_PIN_12|GPIO_PIN_14);
 
  /* USER CODE BEGIN SPI4_MspDeInit 1 */
 
  /* USER CODE END SPI4_MspDeInit 1 */
  }
}
 
/* USER CODE BEGIN 1 */
 
/* USER CODE END 1 */