[mythtv-users] External channel change not passing channel

duck tduckett at tdux.com
Sun Apr 1 20:01:54 UTC 2007


Kevin Plew wrote:
> Michael T. Dean wrote:
>   
>> On 04/01/2007 04:25 AM, duck wrote:
>>   
>>     
>>> David Watkins wrote:
>>>   
>>>     
>>>       
>>>> On 01/04/07, duck <tduckett at tdux.com> wrote:
>>>>     
>>>>       
>>>>         
>>>>> For some reason Myth is not passing the channel number to the external
>>>>> channel changer script.  I have removed all cards from my server except
>>>>> the pvr-150 and tried several tests and cannot get the external channel
>>>>> change to work.  If I run the directv.pl script by hand it functions
>>>>> properly!  I am using the latest mythtv version .0.20 and I even tried
>>>>> using an older version and it still did not work.  No errors in any of
>>>>> the log files.  Thank you!!!
>>>>>         
>>>>>           
>>>> you could edit your channel change script to echo the parameter into
>>>> an file.  Then you would find out:
>>>>
>>>> a)  whether myth was actually calling the script.
>>>> b)  what parameter (if any) myth is passing to it.
>>>>       
>>>>         
>>> I wrote a simple shell script:
>>>
>>> channel_changer
>>> echo $1 $2 $3 $4 $5 $6 $7 $8  $9 > test
>>> /capture/directv.pl box_type RCA_OLD setup_channel $1
>>>
>>> output in test
>>> /channel/changer
>>>
>>> The channel number is never being passed.
>>>     
>>>       
>> Chances are your command is not properly configured.  (PATH problem?)  
>> So, without your providing info on how you've configured it, it's hard 
>> for us to tell you how to fix the configuration...  ;)
>>
>> Mike
>> _______________________________________________
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>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>   
>>     
> I had problems with the "box_type" option.
>
> This what I have:
>
> External Change Command "/usr/bin/change_channel /dev/ttyUSB0"
>
> /usr/bin/change_channel looks like this
>
> #!/bin/sh
> if [ "X$1" = "X" ] || [ "X$2" = "X" ]; then
>        echo "Usage: $0 <port> <channel number>"
>        echo
>        exit;
> fi
> /usr/local/bin/directv.pl port $1 setup_channel $2 hide
>
> I used the latest version of directv.pl from this website: http://www.pdp8.net/directv/directv.shtml
>
> Most of this came from the wiki but I played with baudrate and box_type which don't work. Make sure everything is executable by mythtv.
>
>
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> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>   
Tried running the script and this is the output:

/usr/bin/change_channel <port> <channel number>


I tried echoing $1 and $2 to the screen and $1 is /dev/ttyS0 but $2 is empty





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