/**
  **************************************************************************
  * @file     msc_diskio.h
  * @version  v2.1.1
  * @date     2022-07-22
  * @brief    usb mass storage disk interface header file
  **************************************************************************
  *                       Copyright notice & Disclaimer
  *
  * The software Board Support Package (BSP) that is made available to
  * download from Artery official website is the copyrighted work of Artery.
  * Artery authorizes customers to use, copy, and distribute the BSP
  * software and its related documentation for the purpose of design and
  * development in conjunction with Artery microcontrollers. Use of the
  * software is governed by this copyright notice and the following disclaimer.
  *
  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
  *
  **************************************************************************
  */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MSC_DISKIO_H
#define __MSC_DISKIO_H

#ifdef __cplusplus
extern "C" {
#endif


#include "usb_conf.h"

/** @addtogroup AT32F415_periph_examples
  * @{
  */

/** @addtogroup 415_USB_device_msc
  * @{
  */
#define INTERNAL_FLASH_LUN               0
#define SPI_FLASH_LUN                    1
#define SD_LUN                           2

#define DFU_FLASH_APP_ADDR_START         0x08008000
#define DAT_FLASH_APP_ADDR_START         0x00000000


#define SECTOR_SIZE_1K                   1024
#define SECTOR_SIZE_2K                   2048
#define SECTOR_SIZE_4K                   4096

uint8_t *get_inquiry(uint8_t lun);
int8_t msc_disk_read(uint8_t lun, uint32_t addr, uint8_t *read_buf, uint32_t len);
int8_t msc_disk_write(uint8_t lun, uint32_t addr, uint8_t *buf, uint32_t len);
int8_t msc_disk_capacity(uint8_t lun, uint32_t *blk_nbr, uint32_t *blk_size);

uint8_t flash_Erase(uint32_t read_addr);
void flash_read(uint32_t read_addr, uint8_t *p_buffer, uint16_t num_read);
uint8_t flash_write(uint32_t write_addr, uint8_t *p_buffer, uint16_t num_Write);
void Flash_Test(void);
/**
  * @}
  */
enum
{
    UFI_MODE_IDEL = 0,
    UFI_MODE_NORMAL,
    UFI_MODE_SET_INFO,
    UFI_MODE_DOWN_INFO,
    UFI_MODE_DOWN_START,
    UFI_MODE_DOWN_ABORT,
    UFI_MODE_DOWN_FINISH,
    UFI_MODE_DOWN_VERIFY,
    UFI_MODE_READ_INNER_FLASH,
    UFI_MODE_READ_EXTER_FLASH,  
    UFI_MODE_ERASE_INNER_FLASH,
    UFI_MODE_ERASE_EXTER_FLASH,
    UFI_MODE_GET_VERSION,
    UFI_MODE_SYNCHRONOUS,
    UFI_MODE_REBOOT,
};
    
typedef struct
{
  uint8_t header[5];
  uint8_t cmd[3];
  uint8_t pdata[512];
}iap_struct_type;

typedef struct
{
  uint8_t  sign[4];
  uint32_t iFileSize;  
  uint32_t iFileCRC;  
  uint32_t iFilePacket;
  uint32_t eFileSize;  
  uint32_t eFileCRC;  
  uint32_t eFilePacket;  
}iap_info_struct_type;
extern iap_info_struct_type DL_Info ;

typedef enum
{
  IAP_STATE_IDEL = 0,
  IAP_STATE_DOWNLOAD_PACKET,
  IAP_STATE_VERIFY_PACKET,
  IAP_STATE_MODIFY_PARAME,
  IAP_STATE_REBOOT,
}iap_state_machine;

extern iap_state_machine IAP_CURR_STATE;


/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif