//===================================================================================
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);
}
/**
* @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);
}
}
//{{{
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;
}