private static int libusb_control_transfer(MonoUsbDeviceHandle deviceHandle, MonoUsbControlSetupHandle controlSetupHandle, int timeout)
{
MonoUsbTransfer transfer = MonoUsbTransfer.Alloc(0);
ManualResetEvent completeEvent = new ManualResetEvent(false);
GCHandle gcCompleteEvent = GCHandle.Alloc(completeEvent);
transfer.FillControl(deviceHandle, controlSetupHandle, controlTransferDelegate, GCHandle.ToIntPtr(gcCompleteEvent), timeout);
int r = (int)transfer.Submit();
if (r < 0)
{
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
while (!completeEvent.WaitOne(0, false))
{
r = MonoUsbApi.HandleEvents(sessionHandle);
if (r < 0)
{
if (r == (int)MonoUsbError.ErrorInterrupted)
{
continue;
}
transfer.Cancel();
while (!completeEvent.WaitOne(0, false))
{
if (MonoUsbApi.HandleEvents(sessionHandle) < 0)
{
break;
}
}
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
}
if (transfer.Status == MonoUsbTansferStatus.TransferCompleted)
{
r = transfer.ActualLength;
}
else
{
r = (int)MonoUsbApi.MonoLibUsbErrorFromTransferStatus(transfer.Status);
}
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
public String SendByteArray(byte[] data, short length)
{
string getString = "";
int ret;
byte rquestType = (byte)(UsbCtrlFlags.Direction_Out | UsbCtrlFlags.Recipient_Device | UsbCtrlFlags.RequestType_Class);
byte request = 0x0;
MonoUsbControlSetupHandle controlSetupHandle = new MonoUsbControlSetupHandle(rquestType, request, 0, 0, length);
controlSetupHandle.ControlSetup.SetData(data, 0, length);
ret = libusb_control_transfer(myDeviceHandle, controlSetupHandle, 1000);
Console.WriteLine("libusb control transfer complete");
return(getString);
}
/// <summary>
/// Perform a USB control transfer for multi-threaded applications using the <see cref="MonoUsbEventHandler"/> class.
/// </summary>
/// <remarks>
/// <para>The direction of the transfer is inferred from the bmRequestType field of the setup packet.</para>
/// <para>The wValue, wIndex and wLength fields values should be given in host-endian byte order.</para>
/// <note type="tip" title="Libusb-1.0 API:"><seelibusb10 group="syncio"/></note>
/// </remarks>
/// <param name="deviceHandle">A handle for the device to communicate with.</param>
/// <param name="requestType">The request type field for the setup packet.</param>
/// <param name="request">The request field for the setup packet.</param>
/// <param name="value">The value field for the setup packet</param>
/// <param name="index">The index field for the setup packet.</param>
/// <param name="pData">A suitably-sized data buffer for either input or output (depending on direction bits within bmRequestType).</param>
/// <param name="dataLength">The length field for the setup packet. The data buffer should be at least this size.</param>
/// <param name="timeout">timeout (in milliseconds) that this function should wait before giving up due to no response being received. For an unlimited timeout, use value 0.</param>
/// <returns>
/// <list type="bullet">
/// <item>on success, the number of bytes actually transferred</item>
/// <item><see cref="MonoUsbError.ErrorTimeout"/> if the transfer timed out</item>
/// <item><see cref="MonoUsbError.ErrorPipe"/> if the control request was not supported by the device.</item>
/// <item><see cref="MonoUsbError.ErrorNoDevice"/> if the device has been disconnected</item>
/// <item>another <see cref="MonoUsbError"/> code on other failures</item>
/// </list>
/// </returns>
public static int ControlTransferAsync([In] MonoUsbDeviceHandle deviceHandle, byte requestType, byte request, short value, short index, IntPtr pData, short dataLength, int timeout)
{
MonoUsbControlSetupHandle setupHandle = new MonoUsbControlSetupHandle(requestType, request, value, index, pData, dataLength);
MonoUsbTransfer transfer = new MonoUsbTransfer(0);
ManualResetEvent completeEvent = new ManualResetEvent(false);
GCHandle gcCompleteEvent = GCHandle.Alloc(completeEvent);
transfer.FillControl(deviceHandle, setupHandle, DefaultAsyncDelegate, GCHandle.ToIntPtr(gcCompleteEvent), timeout);
int r = (int)transfer.Submit();
if (r < 0)
{
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
IntPtr pSessionHandle;
MonoUsbSessionHandle sessionHandle = MonoUsbEventHandler.SessionHandle;
if (sessionHandle == null)
{
pSessionHandle = IntPtr.Zero;
}
else
{
pSessionHandle = sessionHandle.DangerousGetHandle();
}
if (MonoUsbEventHandler.IsStopped)
{
while (!completeEvent.WaitOne(0))
{
r = HandleEvents(pSessionHandle);
if (r < 0)
{
if (r == (int)MonoUsbError.ErrorInterrupted)
{
continue;
}
transfer.Cancel();
while (!completeEvent.WaitOne(0))
{
if (HandleEvents(pSessionHandle) < 0)
{
break;
}
}
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
}
}
else
{
completeEvent.WaitOne(Timeout.Infinite);
}
if (transfer.Status == MonoUsbTansferStatus.TransferCompleted)
{
r = transfer.ActualLength;
if (r > 0)
{
byte[] ctrlDataBytes = setupHandle.ControlSetup.GetData(r);
Marshal.Copy(ctrlDataBytes, 0, pData, Math.Min(ctrlDataBytes.Length, dataLength));
}
}
else
{
r = (int)MonoLibUsbErrorFromTransferStatus(transfer.Status);
}
transfer.Free();
gcCompleteEvent.Free();
return(r);
}
public static void ShowConfig(RichTextBox rtb)
{
// Assign the control transfer delegate to the callback function.
controlTransferDelegate = ControlTransferCB;
// Initialize the context.
sessionHandle = new MonoUsbSessionHandle();
if (sessionHandle.IsInvalid)
{
throw new Exception(String.Format("Failed intializing libusb context.\n{0}:{1}",
MonoUsbSessionHandle.LastErrorCode,
MonoUsbSessionHandle.LastErrorString));
}
MonoUsbProfileList profileList = new MonoUsbProfileList();
MonoUsbDeviceHandle myDeviceHandle = null;
try
{
// The list is initially empty.
// Each time refresh is called the list contents are updated.
profileList.Refresh(sessionHandle);
// Use the GetList() method to get a generic List of MonoUsbProfiles
// Find the first profile that matches in MyVidPidPredicate.
MonoUsbProfile myProfile = profileList.GetList().Find(MyVidPidPredicate);
if (myProfile == null)
{
rtb.AppendText("Device not connected.");
return;
}
// Open the device handle to perform I/O
myDeviceHandle = myProfile.OpenDeviceHandle();
if (myDeviceHandle.IsInvalid)
{
throw new Exception(String.Format("Failed opening device handle.\n{0}:{1}",
MonoUsbDeviceHandle.LastErrorCode,
MonoUsbDeviceHandle.LastErrorString));
}
int ret;
MonoUsbError e;
// Set Configuration
e = (MonoUsbError)(ret = MonoUsbApi.SetConfiguration(myDeviceHandle, 1));
if (ret < 0)
{
throw new Exception(String.Format("Failed SetConfiguration.\n{0}:{1}", e, MonoUsbApi.StrError(e)));
}
// Claim Interface
e = (MonoUsbError)(ret = MonoUsbApi.ClaimInterface(myDeviceHandle, 0));
if (ret < 0)
{
throw new Exception(String.Format("Failed ClaimInterface.\n{0}:{1}", e, MonoUsbApi.StrError(e)));
}
// Create a vendor specific control setup, allocate 1 byte for return control data.
byte requestType = (byte)(UsbCtrlFlags.Direction_In | UsbCtrlFlags.Recipient_Device | UsbCtrlFlags.RequestType_Vendor);
byte request = 0x0F;
MonoUsbControlSetupHandle controlSetupHandle = new MonoUsbControlSetupHandle(requestType, request, 0, 0, 1);
// Transfer the control setup packet
ret = libusb_control_transfer(myDeviceHandle, controlSetupHandle, 1000);
if (ret > 0)
{
rtb.AppendText("\nSuccess!\n");
byte[] ctrlDataBytes = controlSetupHandle.ControlSetup.GetData(ret);
string ctrlDataString = Helper.HexString(ctrlDataBytes, String.Empty, "h ");
rtb.AppendText(string.Format("Return Length: {0}", ret));
rtb.AppendText(string.Format("DATA (hex) : [ {0} ]\n", ctrlDataString.Trim()));
}
MonoUsbApi.ReleaseInterface(myDeviceHandle, 0);
}
finally
{
profileList.Close();
if (myDeviceHandle != null)
{
myDeviceHandle.Close();
}
sessionHandle.Close();
}
}
void testComms()
{
if (profiles.Count < 1)
{
logger.info("testComms: no profiles");
return;
}
foreach (MonoUsbProfile profile in profiles)
{
MonoUsbDeviceHandle device = null;
try
{
logger.info("Opening {0:x4}:{1:x4}", profile.DeviceDescriptor.VendorID, profile.DeviceDescriptor.ProductID);
device = profile.OpenDeviceHandle();
if (device.IsInvalid)
{
logger.error("Failed opening device handle: {0} ({1})", MonoUsbDeviceHandle.LastErrorCode, MonoUsbDeviceHandle.LastErrorString);
continue;
}
// re-confirm configurations for this profile
for (byte i = 0; i < profile.DeviceDescriptor.ConfigurationCount; i++)
{
MonoUsbConfigHandle configHandle;
if (MonoUsbApi.GetConfigDescriptor(profile.ProfileHandle, i, out configHandle) < 0)
{
continue;
}
if (configHandle.IsInvalid)
{
continue;
}
MonoUsbConfigDescriptor configDescriptor = new MonoUsbConfigDescriptor(configHandle);
logger.info(" configuration #{0}: {1} ({2})", i, configDescriptor.bConfigurationValue, configDescriptor);
logger.info(" type = {0}", configDescriptor.bDescriptorType);
logger.info(" length = {0}", configDescriptor.bLength);
logger.info(" attributes = {0:x2}", configDescriptor.bmAttributes);
logger.info(" interfaces = {0}", configDescriptor.bNumInterfaces);
logger.info(" extLength = {0}", configDescriptor.ExtraLength);
logger.info(" iConfig = {0}", configDescriptor.iConfiguration);
logger.info(" maxPower = {0}", configDescriptor.MaxPower);
logger.info(" totalLength= {0}", configDescriptor.wTotalLength);
}
int result = 0;
// Set Configuration
// Note: http://libusb.sourceforge.net/api-1.0/caveats.html#configsel
MonoUsbError error = (MonoUsbError)(result = MonoUsbApi.SetConfiguration(device, 1));
if (false && result < 0)
{
logger.error("Failed SetConfiguration: {0} ({1}) (result = {2})", error, MonoUsbApi.StrError(error), result);
continue;
}
// Claim Interface
error = (MonoUsbError)(result = MonoUsbApi.ClaimInterface(device, 0));
if (result < 0)
{
logger.error("Failed ClaimInterface: {0} ({1})", error, MonoUsbApi.StrError(error));
continue;
}
// retain device handles
devices.Add(device);
byte DEVICE_TO_HOST = 0xc0;
byte SECOND_TIER_COMMAND = 0xff;
byte GET_MODEL_CONFIG = 0x01;
byte PAGE_SIZE = 64;
byte PAGE_ID = 0;
int TIMEOUT_MS = 1000;
// Create a vendor specific control setup, allocate 1 byte for return control data.
// byte requestType = (byte)(UsbCtrlFlags.Direction_In | UsbCtrlFlags.Recipient_Device | UsbCtrlFlags.RequestType_Vendor);
// byte request = 0x0F;
// MonoUsbControlSetupHandle controlSetupHandle = new MonoUsbControlSetupHandle(requestType, request, 0, 0, 1);
MonoUsbControlSetupHandle controlSetupHandle = new MonoUsbControlSetupHandle(DEVICE_TO_HOST, SECOND_TIER_COMMAND, GET_MODEL_CONFIG, PAGE_ID, PAGE_SIZE);
// Transfer the control setup packet
int len = libusb_control_transfer(device, controlSetupHandle, TIMEOUT_MS);
if (len > 0)
{
logger.info("Success");
byte[] ctrlDataBytes = controlSetupHandle.ControlSetup.GetData(len);
string ctrlDataString = Helper.HexString(ctrlDataBytes, String.Empty, "h ");
logger.info("Return Length: {0}", len);
logger.info("DATA (hex) : [ {0} ]", ctrlDataString.Trim());
}
MonoUsbApi.ReleaseInterface(device, 0);
}
finally
{
if (device != null)
{
logger.info("closing device");
device.Close();
}
}
}
}
private void SendCommand(byte[] data, int duration)
{
MonoUsbProfileList profileList = new MonoUsbProfileList();
MonoUsbDeviceHandle myDeviceHandle = null;
try
{
// The list is initially empty.
// Each time refresh is called the list contents are updated.
profileList.Refresh(sessionHandle);
// Use the GetList() method to get a generic List of MonoUsbProfiles
// Find the first profile that matches in MyVidPidPredicate.
MonoUsbProfile myProfile = profileList.GetList().Find(MyVidPidPredicate);
if (myProfile == null)
{
Console.WriteLine("Device not connected.");
return;
}
Console.WriteLine("Device connected.");
// Open the device handle to perform I/O
myDeviceHandle = myProfile.OpenDeviceHandle();
if (myDeviceHandle.IsInvalid)
{
throw new Exception(String.Format("Failed opening device handle.\n{0}:{1}",
MonoUsbDeviceHandle.LastErrorCode,
MonoUsbDeviceHandle.LastErrorString));
}
int ret;
MonoUsbError e;
// Set Configuration
e = (MonoUsbError)(ret = MonoUsbApi.SetConfiguration(myDeviceHandle, 1));
if (ret < 0)
{
throw new Exception(String.Format("Failed SetConfiguration.\n{0}:{1}", e, MonoUsbApi.StrError(e)));
}
// Claim Interface
e = (MonoUsbError)(ret = MonoUsbApi.ClaimInterface(myDeviceHandle, 0));
if (ret < 0)
{
throw new Exception(String.Format("Failed ClaimInterface.\n{0}:{1}", e, MonoUsbApi.StrError(e)));
}
// Create a vendor specific control setup, allocate 1 byte for return control data.
byte requestType = 0x40;// (byte)(UsbCtrlFlags.Direction_In | UsbCtrlFlags.Recipient_Device | UsbCtrlFlags.RequestType_Vendor);
byte request = 6;
MonoUsbControlSetupHandle controlSetupHandle = new MonoUsbControlSetupHandle(requestType, request, 0x100, 0, data, 3);
// Transfer the control setup packet
ret = ControlTransfer(myDeviceHandle, controlSetupHandle, 1000);
Thread.Sleep(duration);
object data2 = new byte[] { 0, 0, 0 };
MonoUsbControlSetupHandle controlSetupHandle2 = new MonoUsbControlSetupHandle(requestType, request, 0x100, 0, data2, 3);
ret = ControlTransfer(myDeviceHandle, controlSetupHandle2, 1000);
Thread.Sleep(500);
if (ret > 0)
{
Console.WriteLine("\nSuccess!\n");
byte[] ctrlDataBytes = controlSetupHandle.ControlSetup.GetData(ret);
string ctrlDataString = Helper.HexString(ctrlDataBytes, String.Empty, "h ");
Console.WriteLine("Return Length: {0}", ret);
Console.WriteLine("DATA (hex) : [ {0} ]\n", ctrlDataString.Trim());
}
MonoUsbApi.ReleaseInterface(myDeviceHandle, 0);
}
finally
{
profileList.Close();
if (myDeviceHandle != null)
{
myDeviceHandle.Close();
}
sessionHandle.Close();
Console.WriteLine("End");
}
}
