public static void Main(string[] args) { using (UsbContext context = new UsbContext()) { // Find and open the usb device. MyUsbDevice = context.Find(MyUsbFinder); // If the device is open and ready if (MyUsbDevice == null) { throw new Exception("Device Not Found."); } // open read endpoint 1. var reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep01); byte[] readBuffer = new byte[1024]; while (true) { int bytesRead; reader.Read(readBuffer, 5000, out bytesRead); Console.WriteLine("{0} bytes read", bytesRead); // Write to the console. Console.Write(Encoding.Default.GetString(readBuffer, 0, bytesRead)); } } }
public static void Main(string[] args) { Error ec = Error.Success; using (UsbContext context = new UsbContext()) { try { // Find and open the usb device. MyUsbDevice = context.Find(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. var reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep01); // open write endpoint 1. var writer = MyUsbDevice.OpenEndpointWriter(WriteEndpointID.Ep01); // 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 != Error.Success) { throw new MonoUsbException(ec); } byte[] readBuffer = new byte[1024]; while (ec == Error.Success) { 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.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 != Error.Success ? 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; } // Wait for user input.. Console.ReadKey(); } } }
public static void Main(string[] args) { Error ec = Error.Success; using (UsbContext context = new UsbContext()) { try { // Find and open the usb device. MyUsbDevice = context.Find(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. var reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep01); // open write endpoint 1. var writer = MyUsbDevice.OpenEndpointWriter(WriteEndpointID.Ep01); // the write test data. string testWriteString = "ABCDEFGH"; Error ecWrite; Error ecRead; int transferredOut; int transferredIn; UsbTransfer usbWriteTransfer; UsbTransfer usbReadTransfer; byte[] bytesToSend = Encoding.Default.GetBytes(testWriteString); byte[] readBuffer = new byte[1024]; int testCount = 0; do { // Create and submit transfer ecRead = reader.SubmitAsyncTransfer(readBuffer, 0, readBuffer.Length, 100, out usbReadTransfer); if (ecRead != Error.Success) { throw new Exception("Submit Async Read Failed."); } ecWrite = writer.SubmitAsyncTransfer(bytesToSend, 0, bytesToSend.Length, 100, out usbWriteTransfer); if (ecWrite != Error.Success) { usbReadTransfer.Dispose(); throw new Exception("Submit Async Write Failed."); } WaitHandle.WaitAll(new WaitHandle[] { usbWriteTransfer.AsyncWaitHandle, usbReadTransfer.AsyncWaitHandle }, 200, false); if (!usbWriteTransfer.IsCompleted) { usbWriteTransfer.Cancel(); } if (!usbReadTransfer.IsCompleted) { usbReadTransfer.Cancel(); } ecWrite = usbWriteTransfer.Wait(out transferredOut); ecRead = usbReadTransfer.Wait(out transferredIn); usbWriteTransfer.Dispose(); usbReadTransfer.Dispose(); Console.WriteLine("Read :{0} Error:{1}", transferredIn, ecRead); Console.WriteLine("Write :{0} Error:{1}", transferredOut, ecWrite); Console.WriteLine("Data :" + Encoding.Default.GetString(readBuffer, 0, transferredIn)); testCount++; } while (testCount < 5); Console.WriteLine("\r\nDone!\r\n"); } catch (Exception ex) { Console.WriteLine(); Console.WriteLine((ec != Error.Success ? 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; } // Wait for user input.. Console.ReadKey(); } } }
public static void Main(string[] args) { Error ec = Error.Success; using (UsbContext context = new UsbContext()) { try { // Find and open the usb device. MyUsbDevice = context.Find(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-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)) { // 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. var reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep01); byte[] readBuffer = new byte[1024]; while (ec == Error.Success) { int bytesRead; // If the device hasn't sent data in the last 5 seconds, // a timeout error (ec = IoTimedOut) will occur. ec = reader.Read(readBuffer, 5000, out bytesRead); if (bytesRead == 0) { throw new Exception(string.Format("{0}:No more bytes!", ec)); } Console.WriteLine("{0} bytes read", bytesRead); // Write that output to the console. Console.Write(Encoding.Default.GetString(readBuffer, 0, bytesRead)); } Console.WriteLine("\r\nDone!\r\n"); } catch (Exception ex) { Console.WriteLine(); Console.WriteLine((ec != Error.Success ? 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; } // Wait for user input.. Console.ReadKey(); } } }