IssueControlTransfer

This function initiates a control transfer with a USB device.

Syntax

USB_TRANSFER IssueControlTransfer( USB_PIPE hPipe, LPTRANSFER_NOTIFY_ROUTINE lpStartAddress,
LPVOID lpvNotifyParameter, DWORD dwFlags, LPCVOID lpvControlHeader, DWORD dwBufferSize, LPVOID lpvBuffer, ULONG uBufferPhysicalAddress );

Parameters

hPipe

[IN] Handle to an open USB pipe.

lpStartAddress

[IN] Pointer to the address, which may be NULL, of a callback routine.

lpvNotifyParameter

[IN] Pointer to the parameter to pass to a callback routine.

dwFlags

[IN] Flags for the transfer. These are declared in the Usbtypes.h header file.

lpvControlHeader

[IN] Pointer to control header ( 8 bytes ).

dwBufferSize

[IN] Specifies the size of data buffer.

lpvBuffer

[IN] Pointer to a data buffer. If a physical buffer address is specified, this must contain the virtual address of the buffer.

uBufferPhysicalAddress

[IN] Specifies the physical address, which may be NULL, of the data buffer.

Return Values

A USB_TRANSFER handle indicates success. NULL indicates failure.

Remarks

This function initiates a control transfer to a USB device on the specified endpoint.

This function is defined in the Mousedrv.cpp file.

See Also

AbortTransfer, GetTransferStatus, IsTransferComplete