// Zmodem.h: interface for the Zmodem class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_ZMODEM_H__3186313F_3A85_4CE4_B80D_D2C026ADF36E__INCLUDED_)
#define AFX_ZMODEM_H__3186313F_3A85_4CE4_B80D_D2C026ADF36E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "FileTransfer.h"

#define ZMAXHLEN  16   // Max header information length
#define ZATTNLEN  32   // Max length of attention string

class Settings
{
public :
	long BaudRate;
	char Parity;
	int WordLength;
	int StopBits;
	int Dtr;
	int Rts;
	int XonXoff;
	int RtsCts;
	int DtrDsr;
};

class Zmodem : public FileTransfer  
{
private :
	unsigned long m_FileSize;				//待 接收/发送 的文件大小
	int m_ByteTransfer;			//已经 接收/发送 了多少KB

	void SendCharToComm();
	int GetFileSize(char *buffer);
    int WakeUpSender( void );
    int ReceiveFiles( CString Path );
    int ReceiveSingleFile( CString Path );
    void SendHexHeader( int len, int type, char *hdr );
    void SendBinaryHeader( int length, int type, char * header );
    int ReadHeader( char *header );
    int ReadDataFrame( char *buf, int length );
    int ReadDataFrameCRC32( char *buf, int length );
    int ReadDataFrameCRC16( char *buf, int length );
    void SendAttentionString( void );
    void AckZFIN( void );
    int OpenInputFile( CString Path, char *data );
    void PackLongIntoHeader( long header_data );
    long UnpackHeaderIntoLong( char *header );
    void SendHexEncodedChar( int c );
    void SendEncodedChar( int c , bool b = FALSE);

	void ReadSettings( Settings &copy );
	int TXSpaceUsed( void );

	void SendChar( int c , bool b = FALSE)
	{ 	
		/*用新函数封装
		char cWriteChar;
		cWriteChar = (c & 0377);
		port->ZmodemSendDataDirectly(&cWriteChar,1);
		*/

		m_WriteBuff[m_WriteBuffLength] = (char)(c & 0377);
		m_WriteBuffLength++;
 	}

	void ClearReadBuf();

	
	void PrintLog(char *chPrtlog, int nLogLen);
    void PrintLogLast(CString& strLog);

    void SendZFIN( void );
    int ReadHexHeaderCRC16( char *header );
    int ReadBinaryHeaderCRC16( char *header );
    int ReadBinaryHeaderCRC32( char *header );
    int ReadEncodedByte( void );
    int ReadUnencodedByte( void );
    int ReadHexByte( void );
    int ReadChar( long timeout );
    int GetRinitHeader( void );
    int SendSingleFile( char *name );
    int SendFileContents( void );
    void SendDataFrame( char *buffer, int length, int frameend );
    int SyncWithReceiver( int flag );
	long ReadTime( void );

	//-----------------------------------------------------
	int ReadBuff(long timeout);
	int m_BuffCount;
	//---------------------------

	//log-----------------------------
	FILE *zmodemLog;
	DWORD dwBegin;
	char cReadLog[2048];
	int nLogLength;
	char     cReadType[2];
	int nIndex;//记录某个包发了多少次
	//log---------------------------

	//--写串口缓冲区
	char m_WriteBuff[8192];
	int m_WriteBuffLength;
	int m_nBufReadIndex;
	//

    int receiver_wants_crc32;
    int current_frame_uses_crc32;
    long received_file_position;
    long transmitted_file_position;
    long last_sync_position;
    long last_reported_position;
    unsigned int receiver_buffer_length;
    int file_at_eof;
    int wake_up_sender_header_type;
    int Rxcount;
    char received_header[ ZMAXHLEN ];
    char transmitted_header[ ZMAXHLEN ];
    char attention_string[ ZATTNLEN + 1 ];
    int last_char_sent;

	char buff[BUFFSIZE];
//	char *str;

public :
	int GetTransferPosit();
	int GetFileSize();
    Zmodem( CSComPort *rs232_port );
	~Zmodem();
    BOOL Send( char *files[] );
    BOOL Receive( CString Path );
    BOOL SendCancelString();
//	int nTestID;

};

#endif // !defined(AFX_ZMODEM_H__3186313F_3A85_4CE4_B80D_D2C026ADF36E__INCLUDED_)