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This function sends a GET_STATUS request to a USB device.
USB_TRANSFER GetStatus( USB_HANDLE hDevice , LPTRANSFER_NOTIFY_ROUTINE lpStartAddress , LPVOID lpvNotifyParameter , DWORD dwFlags , UCHAR bIndex , LPWORD lpwStatus );
Parameters
Value | Description |
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USB_SEND_TO_DEVICE | Request for status of the device. |
USB_SEND_TO_INTERFACE | Request for status of the interface. |
USB_SEND_TO_ENDPOINT | Request for status of the endpoint. |
Return Values
A USB_TRANSFER handle indicates success. NULL indicates failure.
Remarks
This function initiates a control transfer to a USB device requesting device, interface, or endpoint status.
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
AbortTransfer, GetStatus, GetTransferStatus, IsTransferComplete
Last updated on Tuesday, July 13, 2004