145 lines
3.8 KiB
Groff
145 lines
3.8 KiB
Groff
.\" Copyright (c) 2002 Hidetoshi Shimokawa
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 30, 2002
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.Dt FWCONTROL 8
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.Os
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.Sh NAME
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.Nm fwcontrol
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.Nd FireWire control utility
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.Sh SYNOPSIS
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.Nm
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.Op Fl u Ar bus_num
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.Op Fl rt
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.Op Fl c Ar node
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.Op Fl d Ar node
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.Op Fl o Ar node
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.Op Fl s Ar node
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.Op Fl l Ar file
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.Op Fl g Ar gap_count
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.Op Fl b Ar pri_req
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.Op Fl R Ar filename
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.Op Fl S Ar filename
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.Sh DESCRIPTION
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The
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.Nm
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utility is designed to provide a way for users to access and control the
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.Fx
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FireWire subsystem.
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Without options,
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.Nm
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will output a list of devices that are/were connected to the bus.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl u Ar bus_num
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Specify the FireWire bus number to be operated.
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.It Fl r
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Initiate bus reset.
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.It Fl t
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Show the topology map.
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.It Fl c Ar node
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Show the configuration ROM on the node.
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.It Fl d Ar node
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Hex dump of the configuration ROM.
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.It Fl o Ar node
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Send a link-on PHY packet to the node.
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.It Fl s Ar node
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Write to
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.Dv RESET_START
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register on the node.
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.It Fl l Ar file
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Load hex dump file of the configuration ROM and parse it.
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.It Fl g Ar gap_count
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Broadcast
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.Ar gap_count
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by phy_config packet.
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.It Fl i Ar pri_req
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Set
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.Dv PRIORITY_BUDGET
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register on all supported nodes.
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.It Fl R Ar filename
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Receive DV stream and dump it to a file.
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Use Ctrl-C to stop the receiving.
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Some DV cameras seem not to send the stream if a bus manager exits.
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If you cannot get the stream, try the following commands:
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.Bd -literal -offset indent
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sysctl hw.firewire.try_bmr=0
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fwcontrol -r
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.Ed
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.Pp
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The resulting file contains raw DV data excluding isochronus header
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and CIP header.
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It can be handled by
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.Nm libdv
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in the
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.Fx
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Ports Collection.
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.It Fl S Ar filename
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Send a DV file as isochronus stream.
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.El
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.Sh EXAMPLES
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Each DV frame has fixed size and it is easy to edit those frame order.
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.Pp
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.Dl "fwcontrol -R original.dv"
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.Pp
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Receive stream.
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.Pp
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.Dl "dd if=original.dv of=first.dv bs=120000 count=30"
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.Pp
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Get first 30 frames(NTSC).
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.Pp
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.Dl "dd if=original.dv of=second.dv bs=120000 skip=30 count=30"
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.Pp
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Get second 30 frames(NTSC).
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.Pp
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.Dl "cat second.dv first.dv | fwcontrol -S /dev/stdin"
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.Pp
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Swap first and second 30 frames and send them to DV recorder.
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.Pp
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For PAL, replace
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.Dq Li bs=120000
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with
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.Dq Li bs=144000 .
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.Sh FILES
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.Bl -tag
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.It Pa /dev/fw0.0
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.El
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.Sh SEE ALSO
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.Xr firewire 4 ,
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.Xr fwe 4 ,
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.Xr fwohci 4 ,
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.Xr sbp 4
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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.An Hidetoshi Shimokawa Aq simokawa@FreeBSD.org
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.Sh BUGS
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This utility is still under development and provided for debug purpose.
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