//設(shè)備相關(guān)的臨時變量HANDLE hUsb = INVALID_HANDLE_VALUE;DWORD dwAccess = GENERIC_READ | GENERIC_WRITE;DWORD dwFlags = FILE_FLAG_OVERLAPPED;//FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED;//OVERLAPPED IoOverlappedwrite;ZeroMemory(&IoOverlappedwrite, sizeof(OVERLAPPED));IoOverlappedwrite.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);if (IoOverlappedwrite.hEvent == NULL){//unsigned long error = GetLastError();//sbdriverOutputText(_T("NewTextExecuteIo failed to allocate overlapped event error (%d)"), error);//break;//致命異常需要處理,暫略----ydnreturn FALSE;}if (com >= 10)sprintf((char*)strDeviceName.c_str(), "\\\\.\\COM%d", com);//出現(xiàn)問題elsesprintf((char*)strDeviceName.c_str(), "COM%d", com);qDebug()<<"CreateFileA strDeviceName"<<strDeviceName.c_str();hUsb = CreateFileA(strDeviceName.c_str(),dwAccess,0,NULL,OPEN_EXISTING,NULL,NULL);if (INVALID_HANDLE_VALUE == hUsb ) {unsigned long error = GetLastError();printf("error = %d\n",error);qDebug()<<"CreateFileA error = %s"<<GetLastError();LOG("CreateFileA error = %s",GetLastError());// MessageBox (NULL,"error2222!KKKK",strDeviceName,MB_ICONSTOP|MB_OK);return FALSE;}

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