LPSET_FEATURE (Windows CE 5.0)
This function sends a SET_FEATURE request to a universal serial bus (USB) device.
typedef USB_TRANSFER (* LPSET_FEATURE)( USB_HANDLE hDevice, LPTRANSFER_NOTIFY_ROUTINE lpStartAddress, LPVOID lpvNotifyParameter, DWORD dwFlags, WORD wFeature, UCHAR bIndex);
Parameters
- hDevice
[in] Handle to a USB device. - lpStartAddress
[in] Pointer to the address, which might be NULL, of a callback routine of type LPTRANSFER_NOTIFY_ROUTINE. - 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 device. USB_SEND_TO_INTERFACE Request for interface. USB_SEND_TO_ENDPOINT Request for endpoint, default. - wFeature
[in] Values in the following list declared in USB100.h; set to one:- USB_FEATURE_ENDPOINT_STALL
- USB_FEATURE_REMOTE_WAKEUP
- USB_FEATURE_POWER_D0
- USB_FEATURE_POWER_D1
- USB_FEATURE_POWER_D2
- USB_FEATURE_POWER_D3
- bIndex
[in] Value of zero (0) for DEVICE, or the interface or endpoint number.
Return Values
A USB_TRANSFER handle indicates success. NULL indicates failure.
Remarks
This function initiates a control transfer to a USB device requesting that a specified feature be enabled.
Requirements
OS Versions: Windows CE 2.10 and later.
Header: Usbdi.h.
See Also
LPABORT_TRANSFER | LPCLEAR_FEATURE | LPGET_TRANSFER_STATUS | LPIS_TRANSFER_COMPLETE | LPTRANSFER_NOTIFY_ROUTINE
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