RxUsbEndpointClearFeature

Description
Executes the Standard Device Request that clears or disables an endpoint feature.

Syntax
rc = RxUsbEndpointClearFeature(Handle,Endpoint,Feature)

Parameters

 * Handle : the Device Handle received from the previous RxUsbOpen.


 * Endpoint :the specific Endpoint Number appropriate for the USB device.
 * Feature : the Feature Selector appropriate for the endpoint.

Return Code
0x0000 - NO_ERROR

Errors
0x0006 - ERROR_INVALID_HANDLE 0x0008 - ERROR_NOT_ENOUGH_MEMORY 0x0057 - ERROR_INVALID_PARAMETER 0x005F - ERROR_INTERRUPT 0x0122 - ERROR_TOO_MANY_HANDLES 0x0280 - ERROR_TIMEOUT 0x1B58 - USB_NOT_INIT 0x4000 - USB_IORB_REQUEST 0x80XX - USB_IORB_FAILED 0xFF0D - ERROR_INVALID_DATA 0xFF13 - ERROR_I24_INVALID_PARAMETER 0xFF13 - USB_IDC_PARMERR 0xFF18 - USB_IDC_ADDRINV 0xFF37 - ERROR_DEV_NOT_EXIST 0xFF5D - EROR_NO_ITEMS 0xFFA7 - ERROR_LOCK_FAILED

Example Code
/* add RxUsbEndpointClearFeature */ rc = RxFuncAdd('RxUsbEndpointClearFeature','usbcalls','RxUsbEndpointClearFeature') say '+RxUsbEndpointClearFeature,RC=0x'd2x(rc)

/* invoke RxUsbEndpointClearFeature */ Endpoint=0 /* default control endpoint */ Endpoint=128+1 /* isochronous endpoint */ Feature=0 /* feature selector to clear */ rc = RxUsbEndpointClearFeature(Handle,Endpoint,Feature) say '*RxUsbEndpointClearFeature,RC=0x'd2x(rc)

/* drop RxUsbEndpointClearFeature */ rc = RxFuncDrop('RxUsbEndpointClearFeature') say '-RxUsbEndpointClearFeature,RC=0x'd2x(rc)

Related Functions

 * RxUsbEndpointGetStatus
 * RxUsbEndpointClearHalt
 * RxUsbEndpointSetFeature
 * RxUsbEndpointSynchFrame
 * RxUsbCtrlMessage
 * RxUsbOpen