- /**
- ******************************************************************************
- * [url=home.php?mod=space&uid=288409]@file[/url] : usbd_storage_if.c
- * [url=home.php?mod=space&uid=247401]@brief[/url] : Memory management layer
- ******************************************************************************
- * COPYRIGHT(c) 2016 STMicroelectronics
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "usbd_msc_storage.h"
- /* USER CODE BEGIN INCLUDE */
- #include "sdio/bsp_sdcard.h"
- /* USER CODE END INCLUDE */
- /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
- * @{
- */
- /** @defgroup USBD_STORAGE
- * [url=home.php?mod=space&uid=247401]@brief[/url] usbd core module
- * @{
- */
- /** @defgroup USBD_STORAGE_Private_TypesDefinitions
- * @{
- */
- /* USER CODE BEGIN PRIVATE_TYPES */
- /* USER CODE END PRIVATE_TYPES */
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_Private_Defines
- * @{
- */
- #define STORAGE_LUN_NBR 1
- #define STORAGE_BLK_SIZ 0x200
- /* USER CODE BEGIN PRIVATE_DEFINES */
- /* USER CODE END PRIVATE_DEFINES */
-
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_Private_Macros
- * @{
- */
- /* USER CODE BEGIN PRIVATE_MACRO */
- /* USER CODE END PRIVATE_MACRO */
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_IF_Private_Variables
- * @{
- */
- /* USB handler declaration */
- /* Handle for USB Full Speed IP */
- USBD_HandleTypeDef *hUsbDevice_0;
- /* USER CODE BEGIN INQUIRY_DATA_FS */
- /* USB Mass storage Standard Inquiry Data */
- const int8_t STORAGE_Inquirydata_FS[] = {//36
-
- /* LUN 0 */
- 0x00,
- 0x80,
- 0x02,
- 0x02,
- (STANDARD_INQUIRY_DATA_LEN - 5),
- 0x00,
- 0x00,
- 0x00,
- 'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */
- 'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */
- ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
- '0', '.', '0' ,'1', /* Version : 4 Bytes */
- };
- /* USER CODE END INQUIRY_DATA_FS */
- /* USER CODE BEGIN PRIVATE_VARIABLES */
- /* USER CODE END PRIVATE_VARIABLES */
- /**
- * @}
- */
-
- /** @defgroup USBD_STORAGE_IF_Exported_Variables
- * @{
- */
- extern USBD_HandleTypeDef hUsbDeviceFS;
- /* USER CODE BEGIN EXPORTED_VARIABLES */
- /* USER CODE END EXPORTED_VARIABLES */
- /**
- * @}
- */
-
- /** @defgroup USBD_STORAGE_Private_FunctionPrototypes
- * @{
- */
- static int8_t STORAGE_Init_FS (uint8_t lun);
- static int8_t STORAGE_GetCapacity_FS (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
- static int8_t STORAGE_IsReady_FS (uint8_t lun);
- static int8_t STORAGE_IsWriteProtected_FS (uint8_t lun);
- static int8_t STORAGE_Read_FS (uint8_t lun, uint8_t *buf, uint32_t blk_addr,uint16_t blk_len);
- static int8_t STORAGE_Write_FS (uint8_t lun, uint8_t *buf, uint32_t blk_addr,uint16_t blk_len);
- static int8_t STORAGE_GetMaxLun_FS (void);
- /* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */
- /* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */
- /**
- * @}
- */
-
- USBD_StorageTypeDef USBD_Storage_Interface_fops_FS =
- {
- STORAGE_Init_FS,
- STORAGE_GetCapacity_FS,
- STORAGE_IsReady_FS,
- STORAGE_IsWriteProtected_FS,
- STORAGE_Read_FS,
- STORAGE_Write_FS,
- STORAGE_GetMaxLun_FS,
- (int8_t *)STORAGE_Inquirydata_FS,
- };
- /* Private functions ---------------------------------------------------------*/
- /*******************************************************************************
- * Function Name : STORAGE_Init_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Init_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 2 */
- MX_SDIO_SD_Init();
- return (USBD_OK);
- /* USER CODE END 2 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_GetCapacity_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_GetCapacity_FS (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
- {
- /* USER CODE BEGIN 3 */
- /* Get SD card Information */
- HAL_SD_Get_CardInfo(&hsdcard, &SDCardInfo);
-
- *block_num = SDCardInfo.CardCapacity/STORAGE_BLK_SIZ-1;
- *block_size = STORAGE_BLK_SIZ;
- return (USBD_OK);
- /* USER CODE END 3 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_IsReady_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_IsReady_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 4 */
- if(HAL_SD_GetStatus(&hsdcard)==SD_TRANSFER_OK)
- return (USBD_OK);
- else
- return -1;
- /* USER CODE END 4 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_IsWriteProtected_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_IsWriteProtected_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 5 */
- return (USBD_OK);
- /* USER CODE END 5 */
- }
- /**
- * @brief SD_DMAConfigRx
- * @par Function Description
- * This function configure the DMA to receive data from the SD card
- * @retval
- * SD_ERROR or SD_OK
- */
- HAL_SD_ErrorTypedef SD_DMAConfigRx(SD_HandleTypeDef *hsd)
- {
- static DMA_HandleTypeDef hdma_rx;
- HAL_StatusTypeDef status = HAL_ERROR;
-
- if(hsd->hdmarx == NULL)
- {
- /* Configure DMA Rx parameters */
- hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
- hdma_rx.Instance = DMA2_Channel4;
- /* Associate the DMA handle */
- __HAL_LINKDMA(hsd, hdmarx, hdma_rx);
- /* Stop any ongoing transfer and reset the state*/
- HAL_DMA_Abort(&hdma_rx);
-
- /* Deinitialize the Channel for new transfer */
- HAL_DMA_DeInit(&hdma_rx);
- /* Configure the DMA Channel */
- status = HAL_DMA_Init(&hdma_rx);
-
- /* NVIC configuration for DMA transfer complete interrupt */
- HAL_NVIC_SetPriority(DMA2_Channel4_5_IRQn, 1, 0);
- HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
- }
- else
- {
- status = HAL_OK;
- }
-
- return (status != HAL_OK? SD_ERROR : SD_OK);
- }
- /**
- * @brief SD_DMAConfigTx
- * @par Function Description
- * This function configure the DMA to transmit data to the SD card
- * @retval
- * SD_ERROR or SD_OK
- */
- HAL_SD_ErrorTypedef SD_DMAConfigTx(SD_HandleTypeDef *hsd)
- {
- static DMA_HandleTypeDef hdma_tx;
- HAL_StatusTypeDef status;
-
- if(hsd->hdmatx == NULL)
- {
- /* Configure DMA Tx parameters */
- hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
- hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
-
- hdma_tx.Instance = DMA2_Channel4;
-
- /* Associate the DMA handle */
- __HAL_LINKDMA(hsd, hdmatx, hdma_tx);
-
- /* Stop any ongoing transfer and reset the state*/
- HAL_DMA_Abort(&hdma_tx);
-
- /* Deinitialize the Channel for new transfer */
- HAL_DMA_DeInit(&hdma_tx);
-
- /* Configure the DMA Channel */
- status = HAL_DMA_Init(&hdma_tx);
-
- /* NVIC configuration for DMA transfer complete interrupt */
- HAL_NVIC_SetPriority(DMA2_Channel4_5_IRQn, 1, 0);
- HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
- }
- else
- {
- status = HAL_OK;
- }
-
- return (status != HAL_OK? SD_ERROR : SD_OK);
- }
- /*******************************************************************************
- * Function Name : STORAGE_Read_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Read_FS (uint8_t lun,
- uint8_t *buf,
- uint32_t blk_addr,
- uint16_t blk_len)
- {
- /* USER CODE BEGIN 6 */
- uint8_t state = 0;
- hsdcard.hdmatx=NULL;
-
- /* Prepare the dma channel for a read operation */
- state = ((SD_DMAConfigRx(&hsdcard) == SD_OK) ? 0 : -1);
-
- if(state == 0)
- {
- /* Read block(s) in DMA transfer mode */
- state = ((HAL_SD_ReadBlocks_DMA(&hsdcard,(uint32_t *)buf, blk_addr*STORAGE_BLK_SIZ, STORAGE_BLK_SIZ, blk_len) == SD_OK) ? 0 : -1);
-
- /* Wait until transfer is complete */
- if(state == 0)
- {
- state = ((HAL_SD_CheckReadOperation(&hsdcard, (uint32_t)0xFFFFFFFF) == SD_OK) ? 0 : -1);
- }
- }
-
- return (state);
- /* USER CODE END 6 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_Write_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Write_FS (uint8_t lun,
- uint8_t *buf,
- uint32_t blk_addr,
- uint16_t blk_len)
- {
- /* USER CODE BEGIN 7 */
- uint8_t state = 0;
-
- /* Invalidate the dma rx handle*/
- hsdcard.hdmarx = NULL;
-
- /* Prepare the dma channel for a read operation */
- state = ((SD_DMAConfigTx(&hsdcard) == SD_OK) ? 0 : -1);
-
- if(state == 0)
- {
- /* Write block(s) in DMA transfer mode */
- state = ((HAL_SD_WriteBlocks_DMA(&hsdcard, (uint32_t *)buf, blk_addr*STORAGE_BLK_SIZ, STORAGE_BLK_SIZ, blk_len) == SD_OK) ? 0 : -1);
-
- /* Wait until transfer is complete */
- if(state == 0)
- {
- state = ((HAL_SD_CheckWriteOperation(&hsdcard, (uint32_t)0xFFFFFFFF) == SD_OK) ? 0 : -1);
- }
- }
-
- return state;
- /* USER CODE END 7 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_GetMaxLun_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_GetMaxLun_FS (void)
- {
- /* USER CODE BEGIN 8 */
- return (STORAGE_LUN_NBR - 1);
- /* USER CODE END 8 */
- }
- /* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
- /* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
- /**
- * @}
- */
- /**
- * @}
- */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/