public void Open(string strPortName)
{
m_intPtrUSB = FIO.CreateFile(strPortName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (-1 == m_intPtrUSB.ToInt32())
{
throw new Exception(CMessages.GetLastWin32ErrorToString());
}
HID.HidD_SetNumInputBuffers(m_intPtrUSB, 0x40);
}
private static string[] GetHidDevInterface(ushort uVendorId, ushort uProductId)
{
string[] allHIDInterFace;
try
{
allHIDInterFace = CUSB.GetAllHIDInterFace();
if (allHIDInterFace == null || allHIDInterFace.Length == 0)
{
return(null);
}
}
catch
{
return(null);
}
var arrayList = new List <string>();
for (int i = 0; i < allHIDInterFace.Length; i++)
{
var intPtr = FIO.CreateFile(allHIDInterFace[i], FIO.GENERIC_READ, 3u, IntPtr.Zero, 3u, 0u, IntPtr.Zero);
if (-1 == intPtr.ToInt32())
{
var err = CMessages.GetLastWin32ErrorToString();
//Console.WriteLine(err);
continue;
}
var hIDD_ATTRIBUTES = default(HID.HIDD_ATTRIBUTES);
hIDD_ATTRIBUTES.Size = (uint)Marshal.SizeOf(hIDD_ATTRIBUTES);
if (HID.HidD_GetAttributes(intPtr, ref hIDD_ATTRIBUTES) && uVendorId == hIDD_ATTRIBUTES.VendorID && uProductId == hIDD_ATTRIBUTES.ProductID)
{
arrayList.Add(allHIDInterFace[i]);
}
FIO.CloseHandle(intPtr);
}
return(arrayList.ToArray());
}
public static string[] EnumPorts(UInt16 vid, UInt16 pid)
{
var arrayList = new List <string>();
var hidDevInterface = CUSB.GetHidDevInterface(vid, pid);
if (hidDevInterface == null)
{
return(arrayList.ToArray());
}
for (int i = 0; i < hidDevInterface.Length; i++)
{
var intPtr = FIO.CreateFile(hidDevInterface[i].Trim(), FIO.GENERIC_READ, 3u, IntPtr.Zero, 3u, 0u, IntPtr.Zero);
if (intPtr.ToInt32() == -1)
{
continue;
}
//var a = "";
//if (CUSB.GetVersion(intPtr, ref a)) if (a == "UF1.0")
arrayList.Add(hidDevInterface[i]);
FIO.CloseHandle(intPtr);
}
return(arrayList.ToArray());
}