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RxUsbDeviceClearFeature

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Revision as of 03:49, 11 January 2017 by Martini (talk | contribs) (Created page with "==Description== Executes the Standard Device Request that clears or disables a USB device feature. ==Syntax== <pre> rc = RxUsbDeviceClearFeature(Handle,Feature) </pre> ==P...")
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Description

Executes the Standard Device Request that clears or disables a USB device feature.

Syntax

 rc = RxUsbDeviceClearFeature(Handle,Feature)

Parameters

Handle
the Device Handle received from the previous RxUsbOpen.
Feature
the Feature Selector appropriate for the device.

Return Code

Errors

Remarks

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)

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