main.c
int main(void)
{
  /* USER CODE BEGIN 1 */
  uint8_t tx[5]={0x55,0xAA,0x00,0x55,0xAA};
  uint8_t rx[5];
  /* USER CODE END 1 */
  /* MCUConfiguration----------------------------------------------------------*/
  /* Reset of all peripherals,Initializes the Flash interface and the Systick. */
  HAL_Init();
  /* USER CODE BEGIN Init */
  /* USER CODE END Init */
  /* Configure the system clock */
//  SystemClock_Config();
  /* USER CODE BEGIN SysInit */
  /* USER CODE END SysInit */
  /* Initialize all configuredperipherals */
  MX_GPIO_Init();
  MX_SPI1_Init();
  MX_SPI2_Init();
  /* USER CODE BEGIN 2 */
  //__HAL_SPI_ENABLE(&hspi1);
  /* USER CODE END 2 */
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
  /* USER CODE END WHILE */
  /* USER CODE BEGIN 3 */
  HAL_SPI_Transmit(&hspi1,tx,5,200);
  HAL_SPI_Transmit(&hspi2,tx,5,200);
  //SPI1->DR =0x55;
  HAL_Delay(1);
    if(rx[0])
    {
      HAL_GPIO_WritePin(GPIOG,GPIO_PIN_14,SET);
    }
    else  
    {
      HAL_GPIO_WritePin(GPIOG,GPIO_PIN_14,RESET);
    }
  }
  /* USER CODE END 3 */
}


spi.c
SPI_HandleTypeDef hspi1;
SPI_HandleTypeDef hspi2;
/* SPI1 init function */
voidMX_SPI1_Init(void)
{
  hspi1.Instance = SPI1;
  hspi1.Init.Mode = SPI_MODE_MASTER;
  hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
  hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
  hspi1.Init.NSS = SPI_NSS_HARD_OUTPUT;
  hspi1.Init.BaudRatePrescaler =SPI_BAUDRATEPRESCALER_64;
  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  hspi1.Init.CRCCalculation =SPI_CRCCALCULATION_DISABLE;
  hspi1.Init.CRCPolynomial = 7;
  hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
  if (HAL_SPI_Init(&hspi1) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }
}

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