RxUsbDeviceGetStatus: Difference between revisions
Created page with "==Description== Executes the Standard Device Request that obtains the status of a USB device. ==Syntax== <pre> rc = RxUsbDeviceGetStatus(Handle,Status) </pre> ==Parameters=..." |
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Revision as of 03:44, 11 January 2017
Description
Executes the Standard Device Request that obtains the status of a USB device.
Syntax
rc = RxUsbDeviceGetStatus(Handle,Status)
Parameters
- Handle
- the Device Handle received from the previous RxUsbOpen.
- Status
- the name of the variable to receive the Device Status.
Return Code
Errors
Remarks
Example Code
/* add RxUsbDeviceGetStatus */
rc = RxFuncAdd('RxUsbDeviceGetStatus','usbcalls','RxUsbDeviceGetStatus')
say '+RxUsbDeviceGetStatus(),RC=0x'd2x(rc)
/* invoke RxUsbDeviceGetStatus */
drop Status /* receives device status */
rc = RxUsbDeviceGetStatus(Handle,Status)
say '*RxUsbDeviceGetStatus(),RC=0x'd2x(rc)
/* drop RxUsbDeviceGetStatus */
rc = RxFuncDrop('RxUsbDeviceGetStatus')
say '-RxUsbDeviceGetStatus(),RC=0x'd2x(rc)