RxUsbInterfaceSetAltSetting

Description
Executes the Standard Device Request that selects the Alternate Setting for an interface.

Syntax
rc = RxUsbInterfaceSetAltSetting(Handle,Interface,AltSetting)

Parameters

 * Handle : the Device Handle received from the previous RxUsbOpen.
 * Interface : the specific Interface Number appropriate for the USB device.
 * AltSetting : the Alternate Setting appropriate for the interface.

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

/* invoke RxUsbInterfaceSetAltSetting */ Interface=1 /* second interface number */ AltSetting=11 /* alternate setting to be set */ rc = RxUsbInterfaceSetAltSetting(Handle,Interface,AltSetting) say '*RxUsbInterfaceSetAltSetting,RC=0x'd2x(rc)

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

Related Functions

 * RxUsbInterfaceGetAltSetting
 * RxUsbInterfaceGetStatus
 * RxUsbInterfaceClearFeature
 * RxUsbInterfaceSetFeature
 * RxUsbCtrlMessage
 * RxUsbOpen