diff options
Diffstat (limited to 'USB_DEVICE/App/usbd_storage_if.c')
| -rwxr-xr-x | USB_DEVICE/App/usbd_storage_if.c | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/USB_DEVICE/App/usbd_storage_if.c b/USB_DEVICE/App/usbd_storage_if.c new file mode 100755 index 0000000..0db01a5 --- /dev/null +++ b/USB_DEVICE/App/usbd_storage_if.c @@ -0,0 +1,294 @@ +/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file : usbd_storage_if.c
+ * @version : v1.0_Cube
+ * @brief : Memory management layer.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2026 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_storage_if.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @brief Usb device.
+ * @{
+ */
+
+/** @defgroup USBD_STORAGE
+ * @brief Usb mass storage device module
+ * @{
+ */
+
+/** @defgroup USBD_STORAGE_Private_TypesDefinitions
+ * @brief Private types.
+ * @{
+ */
+
+/* USER CODE BEGIN PRIVATE_TYPES */
+
+/* USER CODE END PRIVATE_TYPES */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_STORAGE_Private_Defines
+ * @brief Private defines.
+ * @{
+ */
+
+#define STORAGE_LUN_NBR 1
+#define STORAGE_BLK_NBR 0x10000
+#define STORAGE_BLK_SIZ 0x200
+
+/* USER CODE BEGIN PRIVATE_DEFINES */
+
+/* USER CODE END PRIVATE_DEFINES */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_STORAGE_Private_Macros
+ * @brief Private macros.
+ * @{
+ */
+
+/* USER CODE BEGIN PRIVATE_MACRO */
+
+/* USER CODE END PRIVATE_MACRO */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_STORAGE_Private_Variables
+ * @brief Private variables.
+ * @{
+ */
+
+/* USER CODE BEGIN INQUIRY_DATA_HS */
+/** USB Mass storage Standard Inquiry Data. */
+const int8_t STORAGE_Inquirydata_HS[] = {/* 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_HS */
+
+/* USER CODE BEGIN PRIVATE_VARIABLES */
+
+/* USER CODE END PRIVATE_VARIABLES */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_STORAGE_Exported_Variables
+ * @brief Public variables.
+ * @{
+ */
+
+extern USBD_HandleTypeDef hUsbDeviceHS;
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_STORAGE_Private_FunctionPrototypes
+ * @brief Private functions declaration.
+ * @{
+ */
+
+static int8_t STORAGE_Init_HS(uint8_t lun);
+static int8_t STORAGE_GetCapacity_HS(uint8_t lun, uint32_t *block_num, uint16_t *block_size);
+static int8_t STORAGE_IsReady_HS(uint8_t lun);
+static int8_t STORAGE_IsWriteProtected_HS(uint8_t lun);
+static int8_t STORAGE_Read_HS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+static int8_t STORAGE_Write_HS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+static int8_t STORAGE_GetMaxLun_HS(void);
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */
+
+/**
+ * @}
+ */
+
+USBD_StorageTypeDef USBD_Storage_Interface_fops_HS =
+{
+ STORAGE_Init_HS,
+ STORAGE_GetCapacity_HS,
+ STORAGE_IsReady_HS,
+ STORAGE_IsWriteProtected_HS,
+ STORAGE_Read_HS,
+ STORAGE_Write_HS,
+ STORAGE_GetMaxLun_HS,
+ (int8_t *)STORAGE_Inquirydata_HS
+};
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+ * @brief Initializes the storage unit (medium).
+ * @param lun: Logical unit number.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_Init_HS(uint8_t lun)
+{
+ /* USER CODE BEGIN 9 */
+ UNUSED(lun);
+
+ return (USBD_OK);
+ /* USER CODE END 9 */
+}
+
+/**
+ * @brief Returns the medium capacity.
+ * @param lun: Logical unit number.
+ * @param block_num: Number of total block number.
+ * @param block_size: Block size.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_GetCapacity_HS(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
+{
+ /* USER CODE BEGIN 10 */
+ UNUSED(lun);
+
+ *block_num = STORAGE_BLK_NBR;
+ *block_size = STORAGE_BLK_SIZ;
+ return (USBD_OK);
+ /* USER CODE END 10 */
+}
+
+/**
+ * @brief Checks whether the medium is ready.
+ * @param lun: Logical unit number.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_IsReady_HS(uint8_t lun)
+{
+ /* USER CODE BEGIN 11 */
+ UNUSED(lun);
+
+ return (USBD_OK);
+ /* USER CODE END 11 */
+}
+
+/**
+ * @brief Checks whether the medium is write protected.
+ * @param lun: Logical unit number.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_IsWriteProtected_HS(uint8_t lun)
+{
+ /* USER CODE BEGIN 12 */
+ return (USBD_OK);
+ /* USER CODE END 12 */
+}
+
+/**
+ * @brief Reads data from the medium.
+ * @param lun: Logical unit number.
+ * @param buf: data buffer.
+ * @param blk_addr: Logical block address.
+ * @param blk_len: Blocks number.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_Read_HS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
+{
+ /* USER CODE BEGIN 13 */
+ UNUSED(lun);
+ UNUSED(buf);
+ UNUSED(blk_addr);
+ UNUSED(blk_len);
+
+ return (USBD_OK);
+ /* USER CODE END 13 */
+}
+
+/**
+ * @brief Writes data into the medium.
+ * @param lun: Logical unit number.
+ * @param buf: data buffer.
+ * @param blk_addr: Logical block address.
+ * @param blk_len: Blocks number.
+ * @retval USBD_OK if all operations are OK else USBD_FAIL
+ */
+int8_t STORAGE_Write_HS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
+{
+ /* USER CODE BEGIN 14 */
+ UNUSED(lun);
+ UNUSED(buf);
+ UNUSED(blk_addr);
+ UNUSED(blk_len);
+
+ return (USBD_OK);
+ /* USER CODE END 14 */
+}
+
+/**
+ * @brief Returns the Max Supported LUNs.
+ * @param None
+ * @retval Lun(s) number.
+ */
+int8_t STORAGE_GetMaxLun_HS(void)
+{
+ /* USER CODE BEGIN 15 */
+ return (STORAGE_LUN_NBR - 1);
+ /* USER CODE END 15 */
+}
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
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