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Add source code of the firmware for the IO Board

Pawel Jablonski authored on 05/06/2023 17:01:27
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fw/src/usbd/usbd_storage_if.c
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+/**
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+  ******************************************************************************
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+  * @file    usbd_msc_storage_template.c
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+  * @author  MCD Application Team
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+  * @brief   Memory management layer
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+  ******************************************************************************
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+  * @attention
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+  *
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+  * Copyright (c) 2015 STMicroelectronics.
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+  * All rights reserved.
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+  *
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+  * This software is licensed under terms that can be found in the LICENSE file
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+  * in the root directory of this software component.
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+  * If no LICENSE file comes with this software, it is provided AS-IS.
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+  *
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+  ******************************************************************************
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+  */
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+
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+/* Includes ------------------------------------------------------------------*/
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+#include "usbd_storage_if.h"
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+#include "../usb.h"
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+
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+
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+/* Private typedef -----------------------------------------------------------*/
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+/* Private define ------------------------------------------------------------*/
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+/* Private macro -------------------------------------------------------------*/
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+/* Private variables ---------------------------------------------------------*/
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+/* Private function prototypes -----------------------------------------------*/
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+/* Extern function prototypes ------------------------------------------------*/
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+/* Private functions ---------------------------------------------------------*/
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+
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+#define STORAGE_LUN_NBR                  1U
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+#define STORAGE_BLK_NBR                  USB_FS_SECTOR_QUANTITY
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+#define STORAGE_BLK_SIZ                  USB_FS_SECTOR_SIZE
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+
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+int8_t STORAGE_Init(uint8_t lun);
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+
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+int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num,
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+                           uint16_t *block_size);
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+
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+int8_t  STORAGE_IsReady(uint8_t lun);
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+
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+int8_t  STORAGE_IsWriteProtected(uint8_t lun);
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+
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+int8_t STORAGE_Read(uint8_t lun, uint8_t *buf, uint32_t blk_addr,
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+                    uint16_t blk_len);
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+
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+int8_t STORAGE_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr,
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+                     uint16_t blk_len);
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+
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+int8_t STORAGE_GetMaxLun(void);
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+
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+/* USB Mass storage Standard Inquiry Data */
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+int8_t  STORAGE_Inquirydata[] =  /* 36 */
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+{
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+
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+  /* LUN 0 */
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+  0x00,
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+  0x80,
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+  0x02,
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+  0x02,
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+  (STANDARD_INQUIRY_DATA_LEN - 5),
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+  0x00,
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+  0x00,
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+  0x00,
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+  'X', 'I', 'R', 'X', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */
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+  'X', 'i', 'P', 'C', ' ', 'S', 't', 'o', /* Product      : 16 Bytes */
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+  'r', 'a', 'g', 'e', ' ', ' ', ' ', ' ',
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+  '1', '.', '0' ,' ',                     /* Version      : 4 Bytes */
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+};
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+
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+USBD_StorageTypeDef USBD_MSC_Fops =
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+{
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+  STORAGE_Init,
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+  STORAGE_GetCapacity,
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+  STORAGE_IsReady,
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+  STORAGE_IsWriteProtected,
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+  STORAGE_Read,
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+  STORAGE_Write,
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+  STORAGE_GetMaxLun,
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+  STORAGE_Inquirydata,
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+
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+};
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+
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+/**
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+  * @brief  Initializes the storage unit (medium)
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+  * @param  lun: Logical unit number
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+  * @retval Status (0 : OK / -1 : Error)
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+  */
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+int8_t STORAGE_Init(uint8_t lun)
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+{
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+  return(USBD_OK);
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+}
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+
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+/**
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+  * @brief  Returns the medium capacity.
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+  * @param  lun: Logical unit number
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+  * @param  block_num: Number of total block number
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+  * @param  block_size: Block size
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+  * @retval Status (0: OK / -1: Error)
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+  */
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+int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
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+{
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+  UNUSED(lun);
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+
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+  *block_num  = STORAGE_BLK_NBR;
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+  *block_size = STORAGE_BLK_SIZ;
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+
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+  return(USBD_OK);
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+}
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+
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+
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+/**
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+  * @brief  Checks whether the medium is ready.
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+  * @param  lun: Logical unit number
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+  * @retval Status (0: OK / -1: Error)
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+  */
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+int8_t  STORAGE_IsReady(uint8_t lun)
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+{
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+  return(USBD_OK);
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+}
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+
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+/**
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+  * @brief  Checks whether the medium is write protected.
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+  * @param  lun: Logical unit number
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+  * @retval Status (0: write enabled / -1: otherwise)
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+  */
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+int8_t  STORAGE_IsWriteProtected(uint8_t lun)
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+{
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+  return(USBD_OK);
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+}
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+
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+/**
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+  * @brief  Reads data from the medium.
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+  * @param  lun: Logical unit number
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+  * @param  buf: data buffer
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+  * @param  blk_addr: Logical block address
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+  * @param  blk_len: Blocks number
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+  * @retval Status (0: OK / -1: Error)
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+  */
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+int8_t STORAGE_Read(uint8_t lun, uint8_t *buf,
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+                    uint32_t blk_addr, uint16_t blk_len)
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+{
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+  for(uint32_t i = 0; i < blk_len; i++)
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+  {
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+    if(!flashRead((blk_addr + i), (buf + (FLASH_SECTOR_SIZE * i))))
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+    {
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+      return(USBD_FAIL);
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+    }
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+  }
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+
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+  return(USBD_OK);
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+}
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+
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+/**
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+  * @brief  Writes data into the medium.
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+  * @param  lun: Logical unit number
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+  * @param  buf: data buffer
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+  * @param  blk_addr: Logical block address
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+  * @param  blk_len: Blocks number
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+  * @retval Status (0 : OK / -1 : Error)
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+  */
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+int8_t STORAGE_Write(uint8_t lun, uint8_t *buf,
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+                     uint32_t blk_addr, uint16_t blk_len)
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+{
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+  for(uint32_t i = 0; i < blk_len; i++)
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+  {
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+    if(!flashWrite((blk_addr + i), (buf + (FLASH_SECTOR_SIZE * i))))
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+    {
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+      return(USBD_FAIL);
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+    }
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+  }
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+
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+  return(USBD_OK);
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+}
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+
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+/**
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+  * @brief  Returns the Max Supported LUNs.
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+  * @param  None
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+  * @retval Lun(s) number
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+  */
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+int8_t STORAGE_GetMaxLun(void)
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+{
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+  return(STORAGE_LUN_NBR - 1);
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+}
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+
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+