public static bool InterfaceConnect(string port, object parameter)
{
if (_handleFtdi != (IntPtr)0)
{
return(true);
}
try
{
Ftd2Xx.FT_STATUS ftStatus;
if (!port.StartsWith(PortId, StringComparison.OrdinalIgnoreCase))
{
InterfaceDisconnect();
return(false);
}
string portData = port.Remove(0, PortId.Length);
if ((portData.Length > 0) && (portData[0] == ':'))
{ // special id
if (portData.StartsWith(":SER=", StringComparison.OrdinalIgnoreCase))
{ // serial number
string id = portData.Remove(0, 5);
ftStatus = Ftd2Xx.FT_OpenEx(id, Ftd2Xx.FT_OPEN_BY_SERIAL_NUMBER, out _handleFtdi);
}
else if (portData.StartsWith(":DESC=", StringComparison.OrdinalIgnoreCase))
{ // description
string id = portData.Remove(0, 6);
ftStatus = Ftd2Xx.FT_OpenEx(id, Ftd2Xx.FT_OPEN_BY_DESCRIPTION, out _handleFtdi);
}
else if (portData.StartsWith(":LOC=", StringComparison.OrdinalIgnoreCase))
{ // location
long loc = EdiabasNet.StringToValue(portData.Remove(0, 5));
ftStatus = Ftd2Xx.FT_OpenEx((IntPtr)loc, Ftd2Xx.FT_OPEN_BY_LOCATION, out _handleFtdi);
}
else
{
InterfaceDisconnect();
return(false);
}
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
}
else
{
uint usbIndex = Convert.ToUInt32(port.Remove(0, PortId.Length));
ftStatus = Ftd2Xx.FT_Open(usbIndex, out _handleFtdi);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
}
#if USE_BITBANG
_bitBangMode = false;
_bitBangOutput = BitBangBits.Dtr | BitBangBits.Rts | BitBangBits.Txd;
#endif
ftStatus = Ftd2Xx.FT_SetBitMode(_handleFtdi, 0x00, Ftd2Xx.FT_BITMODE_RESET);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_SetUSBParameters(_handleFtdi, UsbBufferSizeStd, UsbBufferSizeStd);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_SetLatencyTimer(_handleFtdi, 2);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_SetBaudRate(_handleFtdi, Ftd2Xx.FT_BAUD_9600);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
_currentBaudRate = 9600;
ftStatus = Ftd2Xx.FT_SetDataCharacteristics(_handleFtdi, Ftd2Xx.FT_BITS_8, Ftd2Xx.FT_STOP_BITS_1, Ftd2Xx.FT_PARITY_NONE);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
_currentWordLength = 8;
_currentParity = EdInterfaceObd.SerialParity.None;
ftStatus = Ftd2Xx.FT_SetTimeouts(_handleFtdi, 0, WriteTimeout);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_SetFlowControl(_handleFtdi, Ftd2Xx.FT_FLOW_NONE, 0, 0);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_ClrDtr(_handleFtdi);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_ClrRts(_handleFtdi);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
ftStatus = Ftd2Xx.FT_Purge(_handleFtdi, Ftd2Xx.FT_PURGE_TX | Ftd2Xx.FT_PURGE_RX);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
InterfaceDisconnect();
return(false);
}
}
catch (Exception)
{
InterfaceDisconnect();
return(false);
}
return(true);
}