///* USER CODE BEGIN Header */
///**
//  ******************************************************************************
//  * @file           : usbd_storage_if.c
//  * @version        : v2.0_Cube
//  * @brief          : Memory management layer.
//  ******************************************************************************
//  * @attention
//  *
//  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
//  * All rights reserved.</center></h2>
//  *
//  * This software component is licensed by ST under Ultimate Liberty license
//  * SLA0044, the "License"; You may not use this file except in compliance with
//  * the License. You may obtain a copy of the License at:
//  *                             www.st.com/SLA0044
//  *
//  ******************************************************************************
//  */
///* 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_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_Exported_Variables
//  * @brief Public variables.
//  * @{
//  */
//
//extern USBD_HandleTypeDef hUsbDeviceFS;
//
///* USER CODE BEGIN EXPORTED_VARIABLES */
//
///* USER CODE END EXPORTED_VARIABLES */
//
///**
//  * @}
//  */
//
///** @defgroup USBD_STORAGE_Private_FunctionPrototypes
//  * @brief Private functions declaration.
//  * @{
//  */
//
//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 ---------------------------------------------------------*/
///**
//  * @brief  Initializes over USB FS IP
//  * @param  lun:
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_Init_FS(uint8_t lun)
//{
//  /* USER CODE BEGIN 2 */
//  return (USBD_OK);
//  /* USER CODE END 2 */
//}
//
///**
//  * @brief  .
//  * @param  lun: .
//  * @param  block_num: .
//  * @param  block_size: .
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
//{
//  /* USER CODE BEGIN 3 */
//  *block_num  = STORAGE_BLK_NBR;
//  *block_size = STORAGE_BLK_SIZ;
//  return (USBD_OK);
//  /* USER CODE END 3 */
//}
//
///**
//  * @brief  .
//  * @param  lun: .
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_IsReady_FS(uint8_t lun)
//{
//  /* USER CODE BEGIN 4 */
//  return (USBD_OK);
//  /* USER CODE END 4 */
//}
//
///**
//  * @brief  .
//  * @param  lun: .
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_IsWriteProtected_FS(uint8_t lun)
//{
//  /* USER CODE BEGIN 5 */
//  return (USBD_OK);
//  /* USER CODE END 5 */
//}
//
///**
//  * @brief  .
//  * @param  lun: .
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
//{
//  /* USER CODE BEGIN 6 */
//  return (USBD_OK);
//  /* USER CODE END 6 */
//}
//
///**
//  * @brief  .
//  * @param  lun: .
//  * @retval USBD_OK if all operations are OK else USBD_FAIL
//  */
//int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
//{
//  /* USER CODE BEGIN 7 */
//  return (USBD_OK);
//  /* USER CODE END 7 */
//}
//
///**
//  * @brief  .
//  * @param  None
//  * @retval .
//  */
//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****/

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : usbd_storage_if.c
  * @version        : v1.0_Cube
  * @brief          : Memory management layer.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "usbd_storage_if.h"

/* USER CODE BEGIN INCLUDE */
#include "user_diskio_spi.h"
/* 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 */
//#define STORAGE_BLK_NBR                  0x3AB780
/* 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_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_Exported_Variables
  * @brief Public variables.
  * @{
  */

extern USBD_HandleTypeDef hUsbDeviceFS;

/* USER CODE BEGIN EXPORTED_VARIABLES */

/* USER CODE END EXPORTED_VARIABLES */

/**
  * @}
  */

/** @defgroup USBD_STORAGE_Private_FunctionPrototypes
  * @brief Private functions declaration.
  * @{
  */

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 ---------------------------------------------------------*/
/**
  * @brief  Initializes over USB FS IP
  * @param  lun:
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_Init_FS(uint8_t lun)
{
  /* USER CODE BEGIN 2 */
  USBD_StatusTypeDef ret = USBD_FAIL;
  	  if(USER_SPI_initialize(0) == 0){
	  ret = USBD_OK;
  }

  return ret;//(USBD_OK);
  /* USER CODE END 2 */
}

/**
  * @brief  .
  * @param  lun: .
  * @param  block_num: .
  * @param  block_size: .
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
  /* USER CODE BEGIN 3 */
	DWORD Settori;
  //******  TO_DO  *********
	USER_SPI_ioctl(0,GET_SECTOR_COUNT,&Settori);
	*block_num  = Settori;
  //*block_num  = STORAGE_BLK_NBR;
  *block_size = STORAGE_BLK_SIZ;
  return (USBD_OK);
  /* USER CODE END 3 */
}

/**
  * @brief  .
  * @param  lun: .
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_IsReady_FS(uint8_t lun)
{
  /* USER CODE BEGIN 4 */
	  USBD_StatusTypeDef ret = USBD_FAIL;
	  if(USER_SPI_status(0) == 0){
		  ret = USBD_OK;
	  }
	  return ret;
  return (USBD_OK);
  /* USER CODE END 4 */
}

/**
  * @brief  .
  * @param  lun: .
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_IsWriteProtected_FS(uint8_t lun)
{
  /* USER CODE BEGIN 5 */
  return (USBD_OK);
  /* USER CODE END 5 */
}

/**
  * @brief  .
  * @param  lun: .
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
{
  /* USER CODE BEGIN 6 */
  USBD_StatusTypeDef ret = USBD_FAIL;
  if(USER_SPI_read(0, buf, blk_addr,blk_len) == 0)
	ret = USBD_OK;
  return ret;
  /* USER CODE END 6 */
}

/**
  * @brief  .
  * @param  lun: .
  * @retval USBD_OK if all operations are OK else USBD_FAIL
  */
int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
{
  /* USER CODE BEGIN 7 */
  USBD_StatusTypeDef ret = USBD_FAIL;
  if(USER_SPI_write(0, buf, blk_addr,blk_len) == 0)
	ret = USBD_OK;
  return ret;
  /* USER CODE END 7 */
}

/**
  * @brief  .
  * @param  None
  * @retval .
  */
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****/