LPGET_STATUS (Windows CE 5.0)
This function sends a GET_STATUS request to a universal serial bus (USB) device.
typedef USB_TRANSFER (* LPGET_STATUS)( USB_HANDLE hDevice, LPTRANSFER_NOTIFY_ROUTINE lpStartAddress, LPVOID lpvNotifyParameter, DWORD dwFlags, UCHAR bIndex, LPWORD lpwStatus);
Parameters
- hDevice
[in] Handle to a USB device. - lpStartAddress
[in] Pointer to a callback routine of type LPTRANSFER_NOTIFY_ROUTINE, which might be NULL. - lpvNotifyParameter
[in] Pointer to the parameter to pass to a callback routine. - dwFlags
[in] Value of USB_NO_WAIT or zero (0), and one of the values from the following table.Value Description 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. - bIndex
[in] Value of zero (0) for DEVICE, or interface or endpoint number. - lpwStatus
[out] Device's status.
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
OS Versions: Windows CE 2.10 and later.
Header: Usbdi.h.
See Also
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