public static UsbDevice MyUsbDevice;
#region SET YOUR USB Vendor and Product ID!
public static UsbDeviceFinder MyUsbFinder =
new UsbDeviceFinder(0x0000, 0x0000); // specify vendor, product id
#endregion
public static void Main(string[] args)
{
ErrorCode ec = ErrorCode.None;
try
{
// Find and open the usb device.
MyUsbDevice = UsbDevice.OpenUsbDevice(MyUsbFinder);
// If the device is open and ready
if (MyUsbDevice == null) throw new Exception("Device Not Found.");
// If this is a "whole" usb device (libusb-win32, linux libusb)
// it will have an IUsbDevice interface. If not (WinUSB) the
// variable will be null indicating this is an interface of a
// device.
IUsbDevice wholeUsbDevice = MyUsbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config
wholeUsbDevice.SetConfiguration(1);
// Claim interface
wholeUsbDevice.ClaimInterface(1);
}
// open read endpoint
UsbEndpointReader reader =
MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep02);
// open write endpoint
UsbEndpointWriter writer =
MyUsbDevice.OpenEndpointWriter(WriteEndpointID.Ep03);
// write data, read data
int bytesWritten;
ec = writer.Write (new byte[] { 0x00, 0x00 }, 2000, out bytesWritten); // specify data to send
if (ec != ErrorCode.None)
throw new Exception (UsbDevice.LastErrorString);
byte[] readBuffer = new byte[1024];
while (ec == ErrorCode.None)
{
int bytesRead;
// If the device hasn't sent data in the last 100 milliseconds,
// a timeout error (ec = IoTimedOut) will occur.
ec = reader.Read(readBuffer, 100, out bytesRead);
if (bytesRead == 0) throw new Exception("No more bytes!");
// Write that output to the console.
Console.WriteLine(BitConverter.ToString(readBuffer, 0, bytesRead));
}
Console.WriteLine("\r\nDone!\r\n");
}
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine((ec != ErrorCode.None ? ec + ":" : String.Empty) + ex.Message);
}
finally
{
if (MyUsbDevice != null)
{
if (MyUsbDevice.IsOpen)
{
// If this is a "whole" usb device (libusb-win32, linux libusb-1.0)
// it exposes an IUsbDevice interface. If not (WinUSB) the
// 'wholeUsbDevice' variable will be null indicating this is
// an interface of a device; it does not require or support
// configuration and interface selection.
IUsbDevice wholeUsbDevice = MyUsbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// Release interface
wholeUsbDevice.ReleaseInterface(1);
}
MyUsbDevice.Close();
}
MyUsbDevice = null;
// Free usb resources
UsbDevice.Exit();
}
// Wait for user input..
Console.ReadKey();
}
}
