RxUsbDeviceSetFeature
From EDM2
Contents
Description
Executes the Standard Device Request that sets or enables a USB device feature.
Syntax
rc = RxUsbDeviceSetFeature(Handle,Feature)
Parameters
- Handle
- the Device Handle received from the previous RxUsbOpen.
- Feature
- the Feature Selector appropriate for the device.
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
Remarks
Example Code
/* add RxUsbDeviceSetFeature */ rc = RxFuncAdd('RxUsbDeviceSetFeature','usbcalls','RxUsbDeviceSetFeature') say '+RxUsbDeviceSetFeature(),RC=0x'd2x(rc) /* invoke RxUsbDeviceSetFeature */ Feature=0 /* feature selector to be set */ rc = RxUsbDeviceSetFeature(Handle,Feature) say '*RxUsbDeviceSetFeature(),RC=0x'd2x(rc) /* drop RxUsbDeviceSetFeature */ rc = RxFuncDrop('RxUsbDeviceSetFeature') say '-RxUsbDeviceSetFeature(),RC=0x'd2x(rc)