/// <summary>
/// Helper function to populate the required <see cref="LibUsbTransfer"/> properties for a control transfer.
/// </summary>
/// <remarks>
/// <note type="tip">
/// <para>Isochronous transfers are not supported on windows.</para>
/// </note>
/// <note title="Libusb-1.0 API Note:" type="cpp">
/// <see cref="FillControl"/> is similar to
/// <a href="http://libusb.sourceforge.net/api-1.0/group__asyncio.html#ga3a8513ed87229fe2c9771ef0bf17206e">libusb_fill_control_transfer()</a>.
/// </note>
/// </remarks>
/// <param name="devHandle">handle of the device that will handle the transfer</param>
/// <param name="controlSetupHandle">the setup packet/control data to transfer.</param>
/// <param name="callback">callback function to be invoked on transfer completion</param>
/// <param name="userData">user data to pass to callback function</param>
/// <param name="timeout">timeout for the transfer in milliseconds</param>
public void FillControl(LibUsbDeviceHandle devHandle, LibUsbControlSetupHandle controlSetupHandle, Delegate callback, IntPtr userData, int timeout)
{
PtrDeviceHandle = devHandle.DangerousGetHandle();
Endpoint = 0;
PtrCallbackFn = Marshal.GetFunctionPointerForDelegate(callback);
PtrUserData = userData;
Timeout = timeout;
Type = EndpointType.Control;
Flags = LibUsbTransferFlags.None;
IntPtr pSetupPacket = controlSetupHandle.DangerousGetHandle();
PtrBuffer = pSetupPacket;
LibUsbControlSetup w = new LibUsbControlSetup(pSetupPacket);
Length = LibUsbControlSetup.SETUP_PACKET_SIZE + w.Length;
}
/// <summary>
/// Helper function to populate the required <see cref="LibUsbTransfer"/> properties for an isochronous transfer.
/// </summary>
/// <remarks>
/// <note type="tip">
/// <para>Isochronous transfers are not supported on windows.</para>
/// </note>
/// <note title="Libusb-1.0 API Note:" type="cpp">
/// <see cref="FillIsochronous"/> is similar to
/// <a href="http://libusb.sourceforge.net/api-1.0/group__asyncio.html#ga30fdce8c461e851f0aa4c851014e1aa7">libusb_fill_iso_transfer()</a>.
/// </note>
/// </remarks>
/// <param name="devHandle">handle of the device that will handle the transfer</param>
/// <param name="endpoint">address of the endpoint where this transfer will be sent</param>
/// <param name="buffer">data buffer</param>
/// <param name="length">length of data buffer</param>
/// <param name="numIsoPackets">the number of isochronous packets</param>
/// <param name="callback">callback function to be invoked on transfer completion</param>
/// <param name="userData">user data to pass to callback function</param>
/// <param name="timeout">timeout for the transfer in milliseconds</param>
public void FillIsochronous(LibUsbDeviceHandle devHandle,
byte endpoint,
IntPtr buffer,
int length,int numIsoPackets,
Delegate callback,
IntPtr userData,
int timeout)
{
PtrDeviceHandle = devHandle.DangerousGetHandle();
Endpoint = endpoint;
PtrBuffer = buffer;
Length = length;
PtrCallbackFn = Marshal.GetFunctionPointerForDelegate(callback);
PtrUserData = userData;
Timeout = timeout;
Type = EndpointType.Isochronous;
Flags = LibUsbTransferFlags.None;
NumIsoPackets = numIsoPackets;
}