OpenPipe (Windows CE 3.0 Device Driver Developement)

Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

This function opens a pipe for communication with a USB device.

USB_PIPE
OpenPipe(
USB_HANDLE
hDevice
,
LPCUSB_ENDPOINT_DESCRIPTOR
lpEndpointDescriptor
);

Parameters

hDevice

[IN] Handle to a USB device.

lpEndpointDescriptor

[IN] Pointer to an endpoint descriptor.

Return Values

A handle to a USB pipe indicates success. NULL indicates failure.

Remarks

No more than 16 pipes can be open simultaneously on a device, including the default endpoint 0 pipe.

Requirements

Runs on	Versions	Defined in	Include	Link to
Windows CE OS	2.10 and later

Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

See Also

ClosePipe

Last updated on Tuesday, July 13, 2004