#ifndef _CLASS_CUpgradeFile_h_ 
#define _CLASS_CUpgradeFile_h_

#if  (!__LARGE__)
#error You must choose  Large Memory Model at compile time(選擇大模式編譯)
#endif

#include <stdio.h>
#define constUpgradeOKFileName  "\\uprade!!.OK"
enum{STATUS_NEGOTIATE=0,STATUS_TRANSFER,STATUS_UPRGRADEEND,STATUS_END};

class CUpgradeFile  
{
public:
	void Start();
	CUpgradeFile();
	virtual ~CUpgradeFile();
protected:
	short CreateNewFile(unsigned long FileLen,char *filename);


	short  Handle_Answer_0xB2();
	short Handle_0xB2();
	short Handle_Check_0xB1();
	unsigned char  Handle_0xB1();//0=OK
	void SendErrorMessagePackage(unsigned char ErrorCode);


	void CreateSuccMarkFile();
	short Operate_SendB0_WaitB1();//發送B0等待連接協商
	short Operate_SendB1_WaitB2();//發送B1等待傳輸數據
	short Operate_SendB2_WaitTransDataEND();//發送B2等待傳輸數據結束
	short Operate_SendTransDataEND_WaitB1();//發送傳輸數據結束等待新文件協商


	short CheckFileCrcCode();
	short CheckDiskFreeSpace(unsigned long newFileLen);
	FILE  *ptrFile;
	short  m_CurWorkStatus;
private:
	short ReadUpgradeParameter(const unsigned char *ptrData);//從數據包獲得升級數據參數 0=OK 1=Error
	//升級數據參數
	unsigned char  m_UnSuccFileCount;//剩余未發送的文件數
	unsigned char  m_UprModel;//升級模式
	unsigned long  m_lFileLen;//升級文件長度
	unsigned short m_uPackageSize;//升級文件每包大小
	unsigned short m_uPackageCount;//升級包數。
	unsigned long  m_lFileCrcCode1,m_lFileCrcCode2;//升級文件最終校驗碼
	char m_strFileName[65];//升級文件名
	char *m_ptrSuccPackMark;
	unsigned short m_SuccPackCount;
	unsigned short m_CurRecvFileIndex;
	
};
#endif