Ejemplo n.º 1
0
//===================================================================================
static void SD_Detect_MspInit(void)
{
	GPIO_InitTypeDef gpio_struct;
	
	SD_DETECT_GPIO_CLK_ENABLE();
	
	/* GPIO configuration in input for uSD_Detect signal */
  gpio_struct.Pin       = SD_DETECT_PIN;
  gpio_struct.Mode      = GPIO_MODE_INPUT;
  gpio_struct.Pull      = GPIO_PULLUP;
  gpio_struct.Speed     = GPIO_SPEED_HIGH;
  HAL_GPIO_Init(SD_DETECT_GPIO_PORT, &gpio_struct);
}
/**
  * @brief  Initializes the SD Detect pin MSP.
  * @param  hsd: SD handle
  * @param  Params
  * @retval None
  */
__weak void BSP_SD_Detect_MspInit(SD_HandleTypeDef *hsd, void *Params)
{
  GPIO_InitTypeDef  gpio_init_structure;

  SD_DETECT_GPIO_CLK_ENABLE();

  /* GPIO configuration in input for uSD_Detect signal */
  gpio_init_structure.Pin       = SD_DETECT_PIN;
  gpio_init_structure.Mode      = GPIO_MODE_INPUT;
  gpio_init_structure.Pull      = GPIO_PULLUP;
  gpio_init_structure.Speed     = GPIO_SPEED_HIGH;
  HAL_GPIO_Init(SD_DETECT_GPIO_PORT, &gpio_init_structure);
}
Ejemplo n.º 3
0
/**
  * @brief  Initializes the SD Card and put it into StandBy State (Ready for 
  *         data transfer).
  * @param  None
  * @retval None
  */
void SD_IO_Init(void)
{
  GPIO_InitTypeDef  GPIO_InitStructureure;
  uint8_t counter;

  /* SD_CS_GPIO and SD_DETECT_GPIO Periph clock enable */
  SD_CS_GPIO_CLK_ENABLE();
  SD_DETECT_GPIO_CLK_ENABLE();

  /* Configure SD_CS_PIN pin: SD Card CS pin */
  GPIO_InitStructureure.Pin = SD_CS_PIN;
  GPIO_InitStructureure.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStructureure.Pull = GPIO_PULLUP;
  GPIO_InitStructureure.Speed = GPIO_SPEED_HIGH;
  HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructureure);

  /* Configure SD_DETECT_PIN pin: SD Card detect pin */
  GPIO_InitStructureure.Pin = SD_DETECT_PIN;
  GPIO_InitStructureure.Mode = GPIO_MODE_IT_RISING_FALLING;
  GPIO_InitStructureure.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructureure);

  /* Enable and set SD EXTI Interrupt to the lowest priority */
  HAL_NVIC_SetPriority(SD_DETECT_EXTI_IRQn, 0x0F, 0);
  HAL_NVIC_EnableIRQ(SD_DETECT_EXTI_IRQn);

  /*------------Put SD in SPI mode--------------*/
  /* SD SPI Config */
  SPIx_Init();
  
  /* SD chip select high */
  SD_CS_HIGH();
  
  /* Send dummy byte 0xFF, 10 times with CS high */
  /* Rise CS and MOSI for 80 clocks cycles */
  for (counter = 0; counter <= 9; counter++)
  {
    /* Send dummy byte 0xFF */
    SD_IO_WriteByte(SD_DUMMY_BYTE);
  }
}
Ejemplo n.º 4
0
//{{{
uint8_t SD_Init() {

  //{{{  sdDetect init
  SD_DETECT_GPIO_CLK_ENABLE();

  GPIO_InitTypeDef  gpio_init_structure;
  gpio_init_structure.Pin       = SD_DETECT_PIN;
  gpio_init_structure.Mode      = GPIO_MODE_INPUT;
  gpio_init_structure.Pull      = GPIO_PULLUP;
  gpio_init_structure.Speed     = GPIO_SPEED_HIGH;
  HAL_GPIO_Init (SD_DETECT_GPIO_PORT, &gpio_init_structure);
  //}}}
  uSdHandle.Init.ClockEdge           = SDMMC_CLOCK_EDGE_RISING;
  uSdHandle.Init.ClockBypass         = SDMMC_CLOCK_BYPASS_DISABLE;
  uSdHandle.Init.ClockPowerSave      = SDMMC_CLOCK_POWER_SAVE_DISABLE;
   uSdHandle.Init.BusWide             = SDMMC_BUS_WIDE_1B;
  uSdHandle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
  uSdHandle.Init.ClockDiv            = SDMMC_TRANSFER_CLK_DIV;

   __HAL_RCC_DMA2_CLK_ENABLE();

  // sd interrupt
  #ifdef STM32F746G_DISCO
    uSdHandle.Instance = SDMMC1;
    __HAL_RCC_SDMMC1_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    //{{{  gpio init
    gpio_init_structure.Mode      = GPIO_MODE_AF_PP;
    gpio_init_structure.Pull      = GPIO_PULLUP;
    gpio_init_structure.Speed     = GPIO_SPEED_HIGH;
    gpio_init_structure.Alternate = GPIO_AF12_SDMMC1;

    gpio_init_structure.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12;
    HAL_GPIO_Init (GPIOC, &gpio_init_structure);

    gpio_init_structure.Pin = GPIO_PIN_2;
    HAL_GPIO_Init (GPIOD, &gpio_init_structure);
    //}}}
    //{{{  DMA rx parameters
    dma_rx_handle.Instance                 = DMA2_Stream3;
    dma_rx_handle.Init.Channel             = DMA_CHANNEL_4;
    dma_rx_handle.Init.Direction           = DMA_PERIPH_TO_MEMORY;
    dma_rx_handle.Init.PeriphInc           = DMA_PINC_DISABLE;
    dma_rx_handle.Init.MemInc              = DMA_MINC_ENABLE;
    dma_rx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    dma_rx_handle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
    dma_rx_handle.Init.Mode                = DMA_PFCTRL;
    dma_rx_handle.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
    dma_rx_handle.Init.FIFOMode            = DMA_FIFOMODE_ENABLE;
    dma_rx_handle.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
    dma_rx_handle.Init.MemBurst            = DMA_MBURST_INC4;
    dma_rx_handle.Init.PeriphBurst         = DMA_PBURST_INC4;

    __HAL_LINKDMA (&uSdHandle, hdmarx, dma_rx_handle);
    HAL_DMA_DeInit (&dma_rx_handle);
    HAL_DMA_Init (&dma_rx_handle);
    //}}}
    //{{{  DMA tx parameters
    dma_tx_handle.Instance                 = DMA2_Stream6;
    dma_tx_handle.Init.Channel             = DMA_CHANNEL_4;
    dma_tx_handle.Init.Direction           = DMA_MEMORY_TO_PERIPH;
    dma_tx_handle.Init.PeriphInc           = DMA_PINC_DISABLE;
    dma_tx_handle.Init.MemInc              = DMA_MINC_ENABLE;
    dma_tx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    dma_tx_handle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
    dma_tx_handle.Init.Mode                = DMA_PFCTRL;
    dma_tx_handle.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
    dma_tx_handle.Init.FIFOMode            = DMA_FIFOMODE_ENABLE;
    dma_tx_handle.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
    dma_tx_handle.Init.MemBurst            = DMA_MBURST_INC4;
    dma_tx_handle.Init.PeriphBurst         = DMA_PBURST_INC4;

    __HAL_LINKDMA (&uSdHandle, hdmatx, dma_tx_handle);
    HAL_DMA_DeInit (&dma_tx_handle);
    HAL_DMA_Init (&dma_tx_handle);
    //}}}
    HAL_NVIC_SetPriority (SDMMC1_IRQn, 5, 0);
    HAL_NVIC_EnableIRQ (SDMMC1_IRQn);
    HAL_NVIC_SetPriority (DMA2_Stream3_IRQn, 6, 0);  // f for 769
    HAL_NVIC_EnableIRQ (DMA2_Stream3_IRQn);
    HAL_NVIC_SetPriority (DMA2_Stream6_IRQn, 6, 0);  // f for 769
    HAL_NVIC_EnableIRQ (DMA2_Stream6_IRQn);
  #else
    uSdHandle.Instance = SDMMC2;
    __HAL_RCC_SDMMC2_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    __HAL_RCC_GPIOG_CLK_ENABLE();
    //{{{  gpio init
    gpio_init_structure.Mode      = GPIO_MODE_AF_PP;
    gpio_init_structure.Pull      = GPIO_PULLUP;
    gpio_init_structure.Speed     = GPIO_SPEED_HIGH;

    gpio_init_structure.Alternate = GPIO_AF10_SDMMC2;
    gpio_init_structure.Pin = GPIO_PIN_3 | GPIO_PIN_4;
    HAL_GPIO_Init (GPIOB, &gpio_init_structure);

    gpio_init_structure.Alternate = GPIO_AF11_SDMMC2;
    gpio_init_structure.Pin = GPIO_PIN_6 | GPIO_PIN_7;
    HAL_GPIO_Init (GPIOD, &gpio_init_structure);

    gpio_init_structure.Pin = GPIO_PIN_9 | GPIO_PIN_10;
    HAL_GPIO_Init (GPIOG, &gpio_init_structure);
    //}}}
    //{{{  DMA rx parameters
    dma_rx_handle.Instance                 = DMA2_Stream0;
    dma_rx_handle.Init.Channel             = DMA_CHANNEL_11;
    dma_rx_handle.Init.Direction           = DMA_PERIPH_TO_MEMORY;
    dma_rx_handle.Init.PeriphInc           = DMA_PINC_DISABLE;
    dma_rx_handle.Init.MemInc              = DMA_MINC_ENABLE;
    dma_rx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    dma_rx_handle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
    dma_rx_handle.Init.Mode                = DMA_PFCTRL;
    dma_rx_handle.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
    dma_rx_handle.Init.FIFOMode            = DMA_FIFOMODE_ENABLE;
    dma_rx_handle.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
    dma_rx_handle.Init.MemBurst            = DMA_MBURST_INC4;
    dma_rx_handle.Init.PeriphBurst         = DMA_PBURST_INC4;

    __HAL_LINKDMA (&uSdHandle, hdmarx, dma_rx_handle);
    HAL_DMA_DeInit (&dma_rx_handle);
    HAL_DMA_Init (&dma_rx_handle);
    //}}}
    //{{{  DMA tx parameters
    dma_tx_handle.Instance                 = DMA2_Stream5;
    dma_tx_handle.Init.Channel             = DMA_CHANNEL_11;
    dma_tx_handle.Init.Direction           = DMA_MEMORY_TO_PERIPH;
    dma_tx_handle.Init.PeriphInc           = DMA_PINC_DISABLE;
    dma_tx_handle.Init.MemInc              = DMA_MINC_ENABLE;
    dma_tx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    dma_tx_handle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
    dma_tx_handle.Init.Mode                = DMA_PFCTRL;
    dma_tx_handle.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
    dma_tx_handle.Init.FIFOMode            = DMA_FIFOMODE_ENABLE;
    dma_tx_handle.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
    dma_tx_handle.Init.MemBurst            = DMA_MBURST_INC4;
    dma_tx_handle.Init.PeriphBurst         = DMA_PBURST_INC4;

    __HAL_LINKDMA (&uSdHandle, hdmatx, dma_tx_handle);
    HAL_DMA_DeInit (&dma_tx_handle);
    HAL_DMA_Init (&dma_tx_handle);
    //}}}
    HAL_NVIC_SetPriority (SDMMC2_IRQn, 0x5, 0);  //e
    HAL_NVIC_EnableIRQ (SDMMC2_IRQn);
    HAL_NVIC_SetPriority (DMA2_Stream0_IRQn, 0x6, 0); //f
    HAL_NVIC_EnableIRQ (DMA2_Stream0_IRQn);
    HAL_NVIC_SetPriority (DMA2_Stream5_IRQn, 0x6, 0);  // f
    HAL_NVIC_EnableIRQ (DMA2_Stream5_IRQn);
  #endif

  // HAL SD initialization
  if (HAL_SD_Init (&uSdHandle, &uSdCardInfo) != SD_OK)
    return MSD_ERROR;
  if (HAL_SD_WideBusOperation_Config (&uSdHandle, SDMMC_BUS_WIDE_4B) != SD_OK)
    return MSD_ERROR;
  if (HAL_SD_HighSpeed (&uSdHandle) != SD_OK)
    return MSD_ERROR;

  //osMutexDef (sdMutex);
  //mSdMutex = osMutexCreate (osMutex (sdMutex));

  mReadCache = (uint8_t*)pvPortMalloc (512 * mReadCacheSize);

  return MSD_OK;
  }