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- public class ReadWrite
- {
- public static UsbDevice MyUsbDevice;
- #region SET YOUR USB Vendor and Product ID!
- public static UsbDeviceFinder MyUsbFinder = new UsbDeviceFinder(0x8564, 0x1000);
- #endregion
- public static void Operation()
- {
- 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 #1
- wholeUsbDevice.SetConfiguration(1);
- // Claim interface #0.
- wholeUsbDevice.ClaimInterface(0);
- }
- // open read endpoint 1.
- UsbEndpointReader reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep02);
- // open write endpoint 1.
- UsbEndpointWriter writer = MyUsbDevice.OpenEndpointWriter(WriteEndpointID.Ep02);
- // Remove the exepath/startup filename text from the begining of the CommandLine.
- string cmdLine = Regex.Replace(
- Environment.CommandLine, "^\".+?\"^.*? |^.*? ", "", RegexOptions.Singleline);
- if (!String.IsNullOrEmpty(cmdLine))
- {
- int bytesWritten;
- ec = writer.Write(Encoding.Default.GetBytes(cmdLine), 2000, out bytesWritten);
- 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("Writing output to console");
- Console.Write(Encoding.Default.GetString(readBuffer, 0, bytesRead));
- }
- Console.WriteLine("\r\nDone!\r\n");
- }
- else
- throw new Exception("Nothing to do.");
- }
- 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 #0.
- wholeUsbDevice.ReleaseInterface(0);
- }
- MyUsbDevice.Close();
- }
- MyUsbDevice = null;
- // Free usb resources
- UsbDevice.Exit();
- }
- // Wait for user input..
- Console.ReadKey();
- }
- }
- }
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