[mythtv-users] External tuner channel changing problems ***FIXED***

[Piers Kittel]

Fixed this problem - needed the channel number in the "Frequency ID".

Cheers - Piers

Piers Kittel wrote:
> Hello all,
> 
> Have set up an IR blaster and have put in the scripts required by MythTV 
> to change the channels:
> 
> "channel_change" being:
> 
> #!/bin/csh
> echo "changing to $1"
> /usr/local/bin/channel.pl $1 &
> 
> and "channel.pl" being the pl file I copied from 
> http://www.google.co.uk/search?q=cache:w3KH302EM2AJ:members.cox.net/rwraithr/IRBlaster_Howto.txt+channel.pl+mythtv&hl=en&lr=lang_en%20target=nw 
> 
> 
> and running it directly works just fine:
> 
> ==================================
> mythtv:/usr/local/bin# channel_change 33
> changing to 33
> [1] 1341
> mythtv:/usr/local/bin#
> ==================================
> 
> but when I enter the command "/usr/local/bin/channel_change" in the 
> "input connections" setup it doesn't work properly.  When I run the 
> backend and then the frontend, and try to change channels in mythtv, the 
> backend spits out:
> 
> ==================================
> 2005-01-16 15:37:48 Changing from None to WatchingLiveTV
> changing to
> [1] 1393
> /usr/local/bin/irsend: not enough arguments
> ==================================
> 
> It seems that mythtv doesn't insert the channel number along with 
> "/usr/local/bin/channel_change".  I even tried putting 
> "/usr/local/bin/channel_change 1" in the "External channel change 
> command" bit, and the exactly same output is shown as above.
> 
> Even tried the instructions on 
> http://losdos.dyndns.org:8080/public/mythtv-info/MythTV_DISH_IR_LED_TX_via_Modified_LIRC.html 
> with the following script:
> 
> #!/bin/sh
> REMOTE_NAME=JVC_RAW
> for digit in $(echo $1 | sed -e 's/./& /g'); do
>   /usr/local/lirc-ledxmit/bin/ledxmit-irsend SEND_ONCE $REMOTE_NAME $digit
>   sleep 0.4  # note, you may have to tweak the interdigit delay up a 
> bit, depending on your DISH receiver model
> done
> 
> but still no help.  Running the script directly works fine, but when 
> using mythtv, it doesn't change.  And yes, I've restarted the backend.
> 
> Any ideas anyone?
> 
> Thanks very much for your help in advance
> 
> Cheers - Piers
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