RxUsbInterfaceGetStatus

Description
Executes the Standard Device Request that obtains the status of an interface.

Syntax
rc = RxUsbInterfaceGetStatus(Handle,Interface,Status)

Parameters

 * Handle : the Device Handle received from the previous RxUsbOpen.
 * Interface : the specific Interface Number appropriate for the USB device.
 * Status : the name of the variable to receive the Interface Status.

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 RxUsbInterfaceGetStatus */ rc = RxFuncAdd('RxUsbInterfaceGetStatus','usbcalls','RxUsbInterfaceGetStatus') say '+RxUsbInterfaceGetStatus,RC=0x'd2x(rc)

/* invoke RxUsbInterfaceGetStatus */ Interface=1 /* second interface number */ drop Status /* receives interface status */ rc = RxUsbInterfaceGetStatus(Handle,Interface,Status) say '*RxUsbInterfaceGetStatus,RC=0x'd2x(rc)

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

Related Functions

 * RxUsbInterfaceGetAltSetting
 * RxUsbInterfaceSetAltSetting
 * RxUsbInterfaceClearFeature
 * RxUsbInterfaceSetFeature
 * RxUsbCtrlMessage
 * RxUsbOpen