unitcomm.h

基于MD110程控交换机的计费程序,使用C++Builder开发

//---------------------------------------------------------------------------
#ifndef UnitCommH
#define UnitCommH
#define BLOCK_LENGTH 4096
#define LINE_LENGTH 256

#include "UnitMain.h"
//#include "ThreadComm.h"

class SCommunication
{
public:
    HANDLE hCom;
    __fastcall SCommunication();
    virtual __fastcall ~SCommunication();
    bool __fastcall ComInitialization();
    void  __fastcall ReadCommToBuffer(void);
    void __fastcall CallTichetSubmit(void);

private:
    BYTE Buffer[BLOCK_LENGTH+1];
    DWORD BufferOffset;
    DWORD LineBytes;

    OVERLAPPED osRead,osWrite;
    DWORD  __fastcall ReadCommBlock(LPSTR lpBlock,DWORD nMaxLength);
    BOOL  __fastcall WriteCommBlock(LPSTR lpBlock,DWORD nMaxLength);
};
//---------------------------------------------------------------------------
#endif