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lnpdump(1)		 Lego Infrared Packet Monitor		    lnpdump(1)

NAME
       lnpdump - Packet	monitor	for Lego infrared communication

SYNOPSIS
       lnpdump [ options ]

DESCRIPTION
       lnpdump is a packet monitor that	decodes	transmissions from Lego	bricks
       that  are  equipped  with an infrared transceiver. A lego tower must be
       connected to the	PC for this program to work.

OPTIONS
       Below is	a summary of the lnpdump options:

       -a, --all
	      Dump data	of packets even	if they	are broken or cannot be	inter-
	      preted.

       -d DEVICE, --device=DEVICE
	      Set the device the Lego tower is connected to. If	this option is
	      not present, the device name is taken from the  RCXTTY  environ-
	      ment variable or the built-in default value in the given order.

       -f, --fast
	      Set the transmission speed to 4800 baud instead of 2400 baud.

       -h, --help
	      Show this	summary.

       -m N, --mask N
	      Set  the	host:port bit mask value used to decode	LNP addressing
	      layer messages.  The default value is 0xf0 so that address  0x85
	      is decoded as 0x08:0x05 (host 8, port 5).

       -p, --noparity
	      Turn  on legOS compatibility mode. BrickOS/legOS Versions	before
	      0.2.5.2 used a slightly different	serial protocol	(no parity bit
	      instead of odd parity).

       -r, --raw (implies --all)
	      Dump all received	data, including	 keepalive  bytes  and	broken
	      packets. However,	bytes that form	a valid	package	are still dis-
	      playd as a block.

NOTES
       This  program  is  based	 on the	lnphost	library	and should work	on any
       posix compilant operating system. USB support is	currently only	avail-
       able under Linux.

AUTHOR
       Stephan Hhrmann <stephan@hoehrmann.de>

COPYRIGHT
       Copyright (C) 2004 Stephan Hhrmann.

       lnpdump	is free	software; you can redistribute it and/or modify	it un-
       der the terms of	the GNU	General	Public License	as  published  by  the
       Free  Software Foundation; either version 2 of the License, or (at your
       option) any later version.

       lnpdump is distributed in the hope that it will be useful, but  WITHOUT
       ANY  WARRANTY;  without even the	implied	warranty of MERCHANTABILITY or
       FITNESS FOR A PARTICULAR	PURPOSE. See the GNU  General  Public  License
       for more	details.

       You should have received	a copy of the GNU General Public License along
       with  lnpdump;  if not, write to	the Free Software Foundation, Inc., 59
       Temple Place, Suite 330,	Boston,	MA 02111-1307 USA

       This is free software, released under the terms of the GNU General Pub-
       lic License.

Stephan	Hhrmann			 November 2004			    lnpdump(1)

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