#ifndef __myBootloader_H
#define __myBootloader_H
#include "stm32f10x.h"
#include "stdbool.h"

// 0x08004000~0x0800FFFF的空间为APP使用
#define APP_START_ADDR				0x0800C800  	

// IAP地址最后一个Page放Flag 		
#define IAP_UPGRADE_FLAG_ADDR		(APP_START_ADDR-2048)		

// 用户的APP code 收到上位机 0x5AA5 命令后, 会设置此旗标, 表示后续将进行APP更新, 详见应用指南  
#define IAP_UPGRADE_FLAG 			0x41544B38              
#define SRAM_SIZE 		48
typedef void (*iapfun)(void);				//定义一个函数类型的参数.

typedef struct{
	uint8_t cmd_head;
	uint8_t cmd_addr[4];
	uint8_t cmd_buf[2248];
	uint8_t cmd_check;	
}CMD_DATA_STRUCT;

typedef enum{
	CMD_DATA_IDLE,
	CMD_DATA_ADDR,
	CMD_DATA_BUF,
	CMD_DATA_CHACK,
	CMD_DATA_DONE,
	CMD_DATA_ERR,
}CMD_DATA_STEP;

typedef enum{
	CMD_CTR_IDLE,
	CMD_CTR_INIT,
	CMD_CTR_DONE,
	CMD_CTR_ERR,
	CMD_CTR_APP,
}CMD_CTR_STEP;
typedef enum{
	CMD_PRO_IDLE,
	CMD_PRO_START,
	CMD_PRO_GET_INIT,
	CMD_PRO_GET_OFFSET_ADDR,
	CMD_PRO_RECV_ING,
	CMD_PRO_WRITE_2KBYTE,
	CMD_PRO_CRC_ERROR,
	CMD_PRO_ADDR_ERROR,
	CMD_PRO_BOOT_DONE,
}CMD_PRO_STA;

typedef enum{
	UPDATE_PRE,
	UPDATE_CLEAR_FLAG,
	UPDATE_ING,
	UPDATE_DONE,
}UPDATE_STATUS_te;

void IAP_Load_APP(uint32_t appxaddr);
uint8_t decodeBootLoadData(uint8_t *src, uint16_t len);
void myFlash_setBootloadFlag(void);
void myFlash_clearBootloadFlag(void);
bool myFlash_checkFlag(void);
#endif