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FWCONTROL (8) | System administration commands and daemons | Unix Manual Pages | :man

NAME

fwcontrol - FireWire control utility

CONTENTS

Synopsis
Description
Files
Examples
See Also
History
Authors
Bugs

SYNOPSIS

fwcontrol [-u bus_num] [-prt] [-c node] [-d node] [-o node] [-s node] [-l file] [-g gap_count] [-b pri_req] [-R filename] [-S filename] [-m EUI64 | hostname]

DESCRIPTION

The fwcontrol utility is designed to provide a way for users to access and control the
.Fx FireWire subsystem. Without options, fwcontrol will output a list of devices that are/were connected to the bus.

The following options are available:

-u bus_num
Specify the FireWire bus number to be operated on.
-r Initiate bus reset.
-t Show the topology map.
-p Dump PHY registers.
-c node
Show the configuration ROM on the node.
-d node
Hex dump of the configuration ROM.
-o node
Send a link-on PHY packet to the node.
-s node
Write to the RESET_START register on the node.
-l file
Load hex dump file of the configuration ROM and parse it.
-g gap_count
Broadcast gap_count by phy_config packet.
-i pri_req
Set the PRIORITY_BUDGET register on all supported nodes.
-R filename
Receive DV stream and dump it to a file. Use Ctrl-C to stop the receiving. Some DV cameras seem not to send the stream if a bus manager exits. If you cannot get the stream, try the following commands:
sysctl hw.firewire.try_bmr=0
fwcontrol -r

The resulting file contains raw DV data excluding isochronous header and CIP header. It can be handled by libdv in the
.Fx Ports Collection.

-S filename
Send a DV file as isochronous stream.
-m EUI64 | hostname
Set default fwmem target. Hostname will be converted to EUI64 using eui64(5).

FILES

/dev/fw0.0

EXAMPLES

Each DV frame has a fixed size and it is easy to edit the frame order.

"fwcontrol -R original.dv"

Receive stream.

"dd if=original.dv of=first.dv bs=120000 count=30"

Get first 30 frames(NTSC).

"dd if=original.dv of=second.dv bs=120000 skip=30 count=30"

Get second 30 frames(NTSC).

"cat second.dv first.dv | fwcontrol -S /dev/stdin"

Swap first and second 30 frames and send them to DV recorder.

For PAL, replace "bs=120000" with "bs=144000".

SEE ALSO

firewire(4), fwe(4), fwip(4), fwohci(4), sbp(4)

HISTORY

AUTHORS

BUGS


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