TX и RX биты по USB

void __fastcall TForm1::Button2Click(TObject *Sender)
{
//.....................................
FT_STATUS ftStatus = FT_Open(0, &ftHandle);
if(ftStatus != FT_OK) {
// FT_Open failed
return;
}
//....................................
/*FT_STATUS ftStatus = FT_Open(0, &ftHandle);
if (ftStatus != FT_OK) {
// FT_Open FAILED!
} */
//.....Example....................................
ftData.Signature1 = 0x00000000;
ftData.Signature2 = 0xffffffff;
ftData.Manufacturer = ManufacturerBuf;
ftData.ManufacturerId = ManufacturerIdBuf;
ftData.Description = DescriptionBuf;
ftData.SerialNumber = SerialNumberBuf;
ftStatus = FT_EE_Read(ftHandle, &ftData);
if (ftStatus == FT_OK) {
// FT_EE_Read OK, data is available in ftData
//Form1->StatusBar1->Panels->Items[2]->Text = ftData.SerialNumber;
//Form1->StatusBar1->Panels->Items[3]->Text = ftData.Description;
Label3->Caption = ftData.SerialNumber;
Label4->Caption = ftData.Description;
Label5->Caption = ftData.ManufacturerId;
Label6->Caption = ftData.Manufacturer;
Label7->Caption = ftData.Signature1;
Label8->Caption = ftData.Signature2;
 
//Label1->Caption =  ftDevice;
}
else {
// FT_EE_Read FAILED!
 
}
FT_GetStatus(ftHandle,&RxBytes,&TxBytes,&EventDWord);
if (RxBytes > 0) {
ftStatus = FT_Read(ftHandle,RxBuffer,RxBytes,&BytesReceived);
FT_PROGRAM_DATA ftData = {
0x00000000, // Header - must be 0x00000000
0xFFFFFFFF, // Header - must be 0xffffffff
0x00000000, // Header - FT_PROGRAM_DATA version - set by dll
0x0403, // VID
0x6001, // PID
"FTDI", // Manufacturer
"FT", // Manufacturer ID
"USB HS Serial Converter", // Description
"FT000001", // Serial Number
44, // MaxPower
1, // PnP
0, // SelfPowered
1, // RemoteWakeup
1, // non-zero if Rev4 chip, zero otherwise
0, // non-zero if in endpoint is isochronous
0, // non-zero if out endpoint is isochronous
0, // non-zero if pull down enabled
1, // non-zero if serial number to be used
0, // non-zero if chip uses USBVersion
0x0110 // BCD (0x0200 => USB2)
};
FT_HANDLE ftHandle;
if (ftStatus == FT_OK) {
// FT_Read OK
}
else {
// FT_Read Failed
}
}
FT_Close(ftHandle);
}

HANDLE MyCOMPORT;
DCB *dcb;
COMMTIMEOUTS ct;
OVERLAPPED overlapped;
// В функцию передаётся имя порта "COM1"  или "COM16"
int ComPortInit(char* Comport){
 
dcb=(DCB*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DCB));
dcb->DCBlength=sizeof(DCB);
 
    MyCOMPORT=CreateFile(Comport,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);
 
   if(UPSport==INVALID_HANDLE_VALUE) {
      HeapFree(GetProcessHeap(),0,dcb);
        return(0);
   }
   else{
   if (BuildCommDCB("baud=2400 parity=N data=8 stop=1",dcb)==0){
 
      HeapFree(GetProcessHeap(),0,dcb);
        return(0);
    }
   dcb->fNull=true;
   ct.ReadIntervalTimeout=600;
   ct.ReadTotalTimeoutMultiplier=22;
   ct.ReadTotalTimeoutConstant=60;
   ct.WriteTotalTimeoutMultiplier=0;
   ct.WriteTotalTimeoutConstant=0;
   SetCommTimeouts(MyCOMPORT,&ct);
   SetCommState(MyCOMPORT,dcb);
 
   HeapFree(GetProcessHeap(),0,dcb);
   return(1);
   }
}

void __fastcall TForm1::FormCreate(TObject *Sender)
{
 PageControl1->ActivePageIndex = 0;
 handle = open("OutCom.ini", O_CREAT | O_TRUNC | O_BINARY | O_WRONLY, S_IREAD | S_IWRITE);
 String portname;
 for (int i=1; i<=256; i++)
 {
 portname = "COM" + IntToStr(i);
 COMport = CreateFile(portname.c_str(),GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
 if(COMport != INVALID_HANDLE_VALUE)
  {
    Form1->ComboBox5->Items->Add("COM" + IntToStr(i));
    CloseHandle(COMport);               //çàêðûòü ïîðò
    COMport=0;              //îáíóëèòü ïåðåìåííóþ äëÿ äåñêðèïòîðà ïîðòà
  }
 }

void __fastcall TForm1::Button1Click(TObject *Sender)
{
//Äîáàâëÿåì â ïðèëîæåíèå â îáëàñòü îáðàáîò÷èêà ñîáûòèÿ ñîçäàíèÿ ôîðìû ñëåäóþùåå::
  //...............................
 
// Îïðåäåëÿåì ÷èñëî ïîäêëþ÷åííûõ óñòðîéñòâ
FT_STATUS ftStatus = FT_ListDevices(&numDevs,NULL,FT_LIST_NUMBER_ONLY);
Form1->StatusBar1->Panels->Items[3]->Text = ftStatus;
if (ftStatus == FT_OK)
{
// FT_ListDevices OK, number of devices connected is in numDevs
itoa(numDevs, string, 16); // Ïðåîáðàçîâàíèå ôîðìàòà
Form1->StatusBar1->Panels->Items[0]->Text = string;
}