string GetDevicePath(uint MemberIndex)
{
string sDevPath = "";
uint RequiredSize = 0;
Guid USB_GUID = new Guid("7B68107E-5CED-4A55-BFC3-7ECDBCA3ADF9");
// dd 7B68107Eh
// dw 5CEDh; Data2
// dw 4A55h; Data3
// db 0BFh, 0C3h, 7Eh, 0CDh, 0BCh, 0A3h, 0ADh, 0F9h; Data4
// "7E10687B-ED5C-554A-BFC37ECDBCA3ADF9"
var DeviceInfoSet = Win32.SetupDiGetClassDevs(ref USB_GUID, null, IntPtr.Zero, Win32.DIGCF_DEVICEINTERFACE | Win32.DIGCF_PRESENT);
if (DeviceInfoSet == Win32.INVALID_HANDLE_VALUE)
{
return(sDevPath);
}
var DeviceInterfaceData = new Win32.SP_DEVINFO_DATA();
DeviceInterfaceData.cbSize = Marshal.SizeOf(DeviceInterfaceData);
if (IntPtr.Size == 8) // 64-bit
{
DeviceInterfaceData.cbSize += 4;
}
if (Win32.SetupDiEnumDeviceInterfaces(DeviceInfoSet, 0, ref USB_GUID, MemberIndex, ref DeviceInterfaceData))
{
if (!Win32.SetupDiGetDeviceInterfaceDetail(DeviceInfoSet, ref DeviceInterfaceData, IntPtr.Zero, 0, ref RequiredSize, IntPtr.Zero))
{
var da = new Win32.SP_DEVINFO_DATA();
da.cbSize = Marshal.SizeOf(da);
if (IntPtr.Size == 8) // 64-bit
{
da.cbSize += 4;
}
var DeviceInterfaceDetailData = new Win32.SP_DEVICE_INTERFACE_DETAIL_DATA();
DeviceInterfaceDetailData.cbSize = ((IntPtr.Size == 4) ? (5) : (8));
if (Win32.SetupDiGetDeviceInterfaceDetail(DeviceInfoSet, ref DeviceInterfaceData, ref DeviceInterfaceDetailData, RequiredSize, ref RequiredSize, ref da))
{
sDevPath = DeviceInterfaceDetailData.DevicePath;
}
}
}
// Before we go, we have to free up the InfoSet memory reserved by SetupDiGetClassDevs
//
Win32.SetupDiDestroyDeviceInfoList(DeviceInfoSet);
return(sDevPath);
}
void ComPortOpen_()
{
bool bRes = false;
string sPortName = "";
_serialPort.DataReceived -= serialPort_DataReceived;
try
{
// USB
//
// Gets a list of all HID devices currently connected to the computer (InfoSet)
//
IntPtr hInfoSet = Win32.SetupDiGetClassDevs(ref Win32.GUID_DEVINTERFACE_MODEM, null, IntPtr.Zero, Win32.DIGCF_DEVICEINTERFACE | Win32.DIGCF_PRESENT);
if (hInfoSet != Win32.INVALID_HANDLE_VALUE)
{
int nIndex = 0;
try
{
var devInfoData = new Win32.SP_DEVINFO_DATA(); // build up a device interface data block
devInfoData.cbSize = Marshal.SizeOf(devInfoData);
// Now iterate through the InfoSet memory block assigned within Windows in the call to SetupDiGetClassDevs
// to get device details for each device connected
while (Win32.SetupDiEnumDeviceInterfaces(hInfoSet, 0, ref Win32.GUID_DEVINTERFACE_MODEM, (uint)nIndex, ref devInfoData)) // this gets the device interface information for a device at index 'nIndex' in the memory block
{
uint nRequiredSize = 0;
// Get the device interface details
if (!Win32.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref devInfoData, IntPtr.Zero, 0, ref nRequiredSize, IntPtr.Zero))
{
// build a DevInfo Data structure
var da = new Win32.SP_DEVINFO_DATA();
da.cbSize = Marshal.SizeOf(da);
var oDetail = new Win32.SP_DEVICE_INTERFACE_DETAIL_DATA();
oDetail.cbSize = ((IntPtr.Size == 4)?(5):(8));
if (Win32.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref devInfoData, ref oDetail, nRequiredSize, ref nRequiredSize, ref da))
{
if (oDetail.DevicePath.ToUpper().Contains(_usbDeviceID)) // do a string search, if we find the VID/PID string then we found our device!
{
IntPtr hKey = Win32.SetupDiOpenDevRegKey(hInfoSet, ref da, Win32.DICS_FLAG_GLOBAL, 0, Win32.DIREG_DEV, (int)Win32.RegSAM.AllAccess);
if (hKey != Win32.INVALID_HANDLE_VALUE)
{
// читаем имя порта (COMx, LPTx)
//
uint size = 256;
uint type;
StringBuilder keyBuffer = new StringBuilder();
if (Win32.RegQueryValueEx(hKey, "PortName", IntPtr.Zero, out type, keyBuffer, ref size) == 0)
{
sPortName = keyBuffer.ToString();
bRes = true;
break;
}
Win32.RegCloseKey(hKey);
}
}
}
}
nIndex++; // if we get here, we didn't find our device. So move on to the next one.
}
}
finally
{
// Before we go, we have to free up the InfoSet memory reserved by SetupDiGetClassDevs
//
Win32.SetupDiDestroyDeviceInfoList(hInfoSet);
}
}
if (bRes)
{
try
{
_serialPort.Close();
}
catch {}
_serialPort.PortName = sPortName;
_serialPort.Encoding = Encoding.GetEncoding("iso-8859-1");
_serialPort.BaudRate = 115200;
_serialPort.Parity = Parity.None;
_serialPort.StopBits = StopBits.One;
_serialPort.Open();
_serialPort.DataReceived += serialPort_DataReceived;
_serialPort.ErrorReceived += _serialPort_ErrorReceived;
_sc.Post(delegate
{
USBInfoToggle(true);
},
null);
}
else
{
/*
* throw new ApplicationException();
*
* _modeRs = MODE_RS.NO_REMOTE;
*
* MessageBox.Show(
* "В системе отсутствует COM порт (" +
* ( ( Settings.Default.Config_iIRinterface == 0 )?( "USB" ):( "RS232" ) ) + ") !\r\n\r\n" +
* "Программа будет работать без пульта ДУ.",
* "Предупреждение", MessageBoxButtons.OK, MessageBoxIcon.Warning );
*/
}
}
catch (ApplicationException)
{
}
catch
{
}
}