ControlTransfer Method (setupPacket, buffer, bufferLength, lengthTransferred)

LibUsbDotNet

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LibUsbDotNet 2.2.8 ControlTransfer Method (setupPacket, buffer, bufferLength, lengthTransferred)

Transmits control data over a default control endpoint.

Declaration Syntax

Visual Basic

Visual C++

public override bool ControlTransfer(
	ref UsbSetupPacket setupPacket,
	IntPtr buffer,
	int bufferLength,
	out int lengthTransferred
)

Public Overrides Function ControlTransfer ( _
	ByRef setupPacket As UsbSetupPacket, _
	buffer As IntPtr, _
	bufferLength As Integer, _
	<OutAttribute> ByRef lengthTransferred As Integer _
) As Boolean

public:
virtual bool ControlTransfer(
	UsbSetupPacket% setupPacket, 
	IntPtr buffer, 
	int bufferLength, 
	[OutAttribute] int% lengthTransferred
) override

Parameters

setupPacket (UsbSetupPacket%): An 8-byte setup packet which contains parameters for the control request. See section 9.3 USB Device Requests of the Universal Serial Bus Specification Revision 2.0 for more information.

buffer (IntPtr): Data to be sent/received from the device.

bufferLength (Int32): Length of the buffer param.

lengthTransferred (Int32%): Number of bytes sent or received (depends on the direction of the control transfer).

Return Value

True on success.

Assembly: LibUsbDotNet (Module: LibUsbDotNet) Version: 2.2.8.104 (2.2.8.104)

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