[mythtv-users] Newb frustration with LIRC, IR Blasters, etc.

[Viitasaari]

Use this for you receiver setup: http://wilsonet.com/mythtv/fcmyth.php

Use this for your transmitter setup: http://www.htpcug.com/blaster.htm

Hedgehog

On Wed, 2006-10-04 at 02:02 +0100, Nick wrote:
> On 04/10/06, Pete Cap <peteoutside at yahoo.com> wrote:
> > Update:
> >
> > The channel change script is like so:
> >
> > #!/bin/sh
> > REMOTE_NAME=DCT2000
> > for digit in $(echo $1 | sed -e 's/./& /g'); do
> > irsend --device=/dev/lircd1 SEND_ONCE $REMOTE_NAME $digit
> > sleep 0.4 # note, you may have to tweak the interdigit delay up a bit
> > done
> > irsend --device=/dev/lircd1 SEND_ONCE $REMOTE_NAME OK
> >
> > The relevant portion of modprobe.conf:
> >
> > alias char-major-61-0 lirc_i2c
> > alias char-major-61-1 lirc_serial
> > options lirc_serial irq=4 io=0x3f8  #COM1 aka /dev/ttyS0
> > install lirc_i2c /sbin/modprobe ivtv; /sbin/modprobe --ignore-install
> > lirc_i2c
> > install lirc_serial setserial /dev/ttyS0 uart none; /sbin/modprobe
> > --ignore-install lirc_serial
> >
> > When I change the channel-change script to use /dev/lircd it executes
> > without any error messages; however, nothing happens on the set-top box.  I
> 
> This normally means things are good. It's no good giving irsend an
> invented device (I think the LIRC error message could be improved
> though to "Device not found" if you really do not have a /dev/lircd1
> device)
> 
> > have no digital camera to test to see if the blaster is doing anything.  Nor
> > have I seen any information on where exactly the IR blaster is supposed to
> > go--does the stick bit fix to the front of the box?  To the "IR" port on the
> > back?  Which way should it face?
> 
> The "stick bit" is there to fix the IR blaster over the IR receiver on
> your cable box (the receiver is normally behind the glass/perspex
> panel).
> 
> The easiest way to find out where this is is to execute the channel
> change script with a long string of numbers and slowly move the IR
> blaster across the glass display until you find the position where the
> STB starts to detect the IR signals. Once you have found this
> position, feel off the tape and affix it to your cable box.
> 
> Nick
> 
> MythTV Official wiki:
> http://mythtv.org/wiki/
> MythTV users list archive:
> http://www.gossamer-threads.com/lists/mythtv/users
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