obp/obp/dev/usb2/device/device/device.fth

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\ Hypervisor Software File: device.fth
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id: @(#)device.fth 1.1 07/01/23
purpose: USB Device Nexus Driver
copyright: Copyright 2007 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.

\ Utilities (Sun)
fload ${BP}/dev/utilities/misc.fth

hex

" usb_device" encode-string  " device_type"     property

external

\ A usb device node defines an address space of the form
\ "interface[,config]".  config and interface are both integers.
\ parse-2int converts a text string (e.g. "3,1") into a pair of
\ binary integers.

: decode-unit  ( addr len -- config interface ) parse-2int  ;
: encode-unit  ( config interface -- adr len )
                        \ " interface[,config]"
   over if
      <# u#s drop ascii , hold u#s u#>
   else
      nip <# u#s u#>
   then
;

: open   ( -- flag )  true  ;
: close  ( -- )  ;

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