public static bool InterfaceGetDsr(out bool dsr)
{
dsr = false;
if (_handleFtdi == (IntPtr)0)
{
return(false);
}
try
{
Ftd2Xx.FT_STATUS ftStatus;
#if USE_BITBANG
if (_bitBangMode)
{
byte mode;
ftStatus = Ftd2Xx.FT_GetBitMode(_handleFtdi, out mode);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
return(false);
}
dsr = (mode & (int)BitBangBits.Dsr) == 0;
return(true);
}
#endif
uint modemStatus = 0x0000;
ftStatus = Ftd2Xx.FT_GetModemStatus(_handleFtdi, ref modemStatus);
if (ftStatus != Ftd2Xx.FT_STATUS.FT_OK)
{
return(false);
}
dsr = (modemStatus & 0x20) != 0;
}
catch (Exception)
{
return(false);
}
return(true);
}