/**
  ******************************************************************************
  * @file           : iap.h
  * @brief          : Header for iap.c define .
  *                   This file contains the common defines of the application.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 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.
  *
  ******************************************************************************
  */



/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __IAP_H
#define __IAP_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal.h"
#include "global_def.h"
#include "stm32l4xx_hal_flash.h"
#include "stm32l4xx_hal_flash_ex.h"

///<cmd
#define ControlCmd      (0x02)
#define DataTransferCmd (0x40)
#define DataTransferCmdHost (0x41)

///<smd
///<cmd=0x40
#define DataTransferRequest (0x00)
#define TransferData        (0x01)
#define TransferExit        (0x02)

///<cmd=0x02
#define RequestReset        (0x00)

/* cmd=0x40 smd=0x00 */
/* Transfer type */
#define IAP_BIN_FILE    (1)
#define MaxBlockSize    (256)  //不能超出接收buffer size  #define UART0_RECV_DATA_POOL_COUNT     320  

/* Result */
#define ResultSuccess					(0)
#define ResultBusy						(1)
#define ResultExceedLimit			(2)
#define ResultTotalLengthErr	(3)
#define ResultSequenceErr			(4)
#define ResultCRCErr					(5)
#define ResultParamErr        (6)
#define ResultCmdErr        	(7)
#define ResultExecErr         (8)

extern uint8_t iap_reboot;

/* Exported functions prototypes ---------------------------------------------*/

extern int IAP_Init(void);
extern void IAP_Start(void);
extern int IAP_Write(uint8_t *pdata, uint16_t length);
extern int IAP_Stop(void);
extern uint16_t IAP_CmdHandle(uint8_t* pdata, uint16_t length, uint8_t* pout);

extern void Start_BootLoader(void);


#ifdef __cplusplus
}
#endif

#endif /* __IAP_H */