//=================================================================================== 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; }