public bool QueryPipe(IntPtr InterfaceHandle, byte AlternateInterfaceNumber,
byte PipeIndex, ref WINUSB_PIPE_INFORMATION PipeInformation)
{
return(WinUsb_QueryPipe(InterfaceHandle, AlternateInterfaceNumber, PipeIndex, ref PipeInformation));
}
private static extern bool WinUsb_QueryPipe(IntPtr InterfaceHandle, byte AlternateInterfaceNumber,
byte PipeIndex, ref WINUSB_PIPE_INFORMATION PipeInformation);
public static bool QueryPipe(IntPtr InterfaceHandle, byte AlternateInterfaceNumber,
byte PipeIndex, ref WINUSB_PIPE_INFORMATION PipeInformation)
{
return WinUsb_QueryPipe(InterfaceHandle, AlternateInterfaceNumber, PipeIndex, ref PipeInformation);
}
protected virtual bool InitializeDevice()
{
try
{
var ifaceDescriptor = new USB_INTERFACE_DESCRIPTOR();
var pipeInfo = new WINUSB_PIPE_INFORMATION();
if (Usb.QueryInterfaceSettings(_winUsbHandle, 0, ref ifaceDescriptor))
{
for (var i = 0; i < ifaceDescriptor.bNumEndpoints; i++)
{
Usb.QueryPipe(_winUsbHandle, 0, Convert.ToByte(i), ref pipeInfo);
if (((pipeInfo.PipeType == USBD_PIPE_TYPE.UsbdPipeTypeBulk) &
UsbEndpointDirectionIn(pipeInfo.PipeId)))
{
BulkIn = pipeInfo.PipeId;
Usb.FlushPipe(_winUsbHandle, BulkIn);
}
else if (((pipeInfo.PipeType == USBD_PIPE_TYPE.UsbdPipeTypeBulk) &
UsbEndpointDirectionOut(pipeInfo.PipeId)))
{
BulkOut = pipeInfo.PipeId;
Usb.FlushPipe(_winUsbHandle, BulkOut);
}
else if ((pipeInfo.PipeType == USBD_PIPE_TYPE.UsbdPipeTypeInterrupt) &
UsbEndpointDirectionIn(pipeInfo.PipeId))
{
IntIn = pipeInfo.PipeId;
Usb.FlushPipe(_winUsbHandle, IntIn);
}
else if ((pipeInfo.PipeType == USBD_PIPE_TYPE.UsbdPipeTypeInterrupt) &
UsbEndpointDirectionOut(pipeInfo.PipeId))
{
IntOut = pipeInfo.PipeId;
Usb.FlushPipe(_winUsbHandle, IntOut);
}
}
return true;
}
return false;
}
catch (Exception ex)
{
Log.ErrorFormat("{0} {1}", ex.HelpLink, ex.Message);
throw;
}
}
private static extern bool WinUsb_QueryPipe(IntPtr InterfaceHandle, byte AlternateInterfaceNumber,
byte PipeIndex, ref WINUSB_PIPE_INFORMATION PipeInformation);
