RxUsbDeviceClearFeature: Difference between revisions
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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Revision as of 03:49, 11 January 2017
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)