Esempio n. 1
0
void spi_free(spi_t *obj)
{
    // Reset SPI and disable clock
    switch(obj->spi.module) {
        case 0:
            __SPI1_FORCE_RESET();
            __SPI1_RELEASE_RESET();
            __SPI1_CLK_DISABLE();
            break;
        case 1:
            __SPI2_FORCE_RESET();
            __SPI2_RELEASE_RESET();
            __SPI2_CLK_DISABLE();
            break;
        case 2:
            __SPI3_FORCE_RESET();
            __SPI3_RELEASE_RESET();
            __SPI3_CLK_DISABLE();
            break;
#if MODULES_SIZE_SPI > 3
        case 3:
            __SPI4_FORCE_RESET();
            __SPI4_RELEASE_RESET();
            __SPI4_CLK_DISABLE();
            break;
#endif
#if MODULES_SIZE_SPI > 4
        case 4:
            __SPI5_FORCE_RESET();
            __SPI5_RELEASE_RESET();
            __SPI5_CLK_DISABLE();
            break;
#endif
#if MODULES_SIZE_SPI > 5
        case 5:
            __SPI6_FORCE_RESET();
            __SPI6_RELEASE_RESET();
            __SPI6_CLK_DISABLE();
            break;
#endif
        default:
            break;
    }

    // Configure GPIOs
    pin_function(obj->spi.pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
    pin_function(obj->spi.pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
    pin_function(obj->spi.pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));

    DEBUG_PRINTF("SPI%u: Free\n", obj->spi.module+1);
}
Esempio n. 2
0
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
{

  if(hspi->Instance==SPI5)
  {
  /* USER CODE BEGIN SPI5_MspDeInit 0 */

  /* USER CODE END SPI5_MspDeInit 0 */
    /* Peripheral clock disable */
    __SPI5_CLK_DISABLE();
  
    /**SPI5 GPIO Configuration    
    PF7     ------> SPI5_SCK
    PF8     ------> SPI5_MISO
    PF9     ------> SPI5_MOSI 
    */
    HAL_GPIO_DeInit(GPIOF, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9);

  /* USER CODE BEGIN SPI5_MspDeInit 1 */

  /* USER CODE END SPI5_MspDeInit 1 */
  }
} 
Esempio n. 3
0
File: spi.c Progetto: vpcola/stm32f4
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
{

  if(hspi->Instance==SPI1)
  {
  /* USER CODE BEGIN SPI1_MspDeInit 0 */

  /* USER CODE END SPI1_MspDeInit 0 */
    /* Peripheral clock disable */
    __SPI1_CLK_DISABLE();
  
    /**SPI1 GPIO Configuration    
    PA5     ------> SPI1_SCK
    PB4     ------> SPI1_MISO
    PB5     ------> SPI1_MOSI 
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_4|GPIO_PIN_5);

  /* USER CODE BEGIN SPI1_MspDeInit 1 */

  /* USER CODE END SPI1_MspDeInit 1 */
  }
  else if(hspi->Instance==SPI4)
  {
  /* USER CODE BEGIN SPI4_MspDeInit 0 */

  /* USER CODE END SPI4_MspDeInit 0 */
    /* Peripheral clock disable */
    __SPI4_CLK_DISABLE();
  
    /**SPI4 GPIO Configuration    
    PE2     ------> SPI4_SCK
    PE13     ------> SPI4_MISO
    PE14     ------> SPI4_MOSI 
    */
    HAL_GPIO_DeInit(GPIOE, GPIO_PIN_2|GPIO_PIN_13|GPIO_PIN_14);

  /* USER CODE BEGIN SPI4_MspDeInit 1 */

  /* USER CODE END SPI4_MspDeInit 1 */
  }
  else if(hspi->Instance==SPI5)
  {
  /* USER CODE BEGIN SPI5_MspDeInit 0 */

  /* USER CODE END SPI5_MspDeInit 0 */
    /* Peripheral clock disable */
    __SPI5_CLK_DISABLE();
  
    /**SPI5 GPIO Configuration    
    PF7     ------> SPI5_SCK
    PF8     ------> SPI5_MISO
    PF9     ------> SPI5_MOSI 
    */
    HAL_GPIO_DeInit(GPIOF, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9);

  /* USER CODE BEGIN SPI5_MspDeInit 1 */

  /* USER CODE END SPI5_MspDeInit 1 */
  }
}