[mythtv-users] So confused. Firewire to STB - channel change script - mythchanger

[Philip Isaacs]

On Wed, Mar 26, 2014 at 12:07 PM, Karl Newman <newmank1 at asme.org> wrote:

> On Wed, Mar 26, 2014 at 8:57 AM, Philip Isaacs <showcasefloyd at gmail.com>wrote:
>
>>
>>
>>
>> On Wed, Mar 26, 2014 at 11:53 AM, Karl Newman <newmank1 at asme.org> wrote:
>>
>>> On Wed, Mar 26, 2014 at 7:05 AM, Philip Isaacs <showcasefloyd at gmail.com>wrote:
>>>
>>>> On Tue, Mar 25, 2014 at 5:22 PM, Peter Bennett (cats22) <
>>>> cats22 at comcast.net> wrote:
>>>>
>>>>>  On 03/25/2014 02:50 PM, Philip Isaacs wrote:
>>>>>
>>>>>
>>>>>
>>>>>  @Gabe - Do you know where I can find an example (or a tutorial) of
>>>>> how to write a channel changing script that will call my IR Blaster from
>>>>> within MythTV? I understand how it works now, but I'm not sure where to go
>>>>> from there.
>>>>>
>>>>>  Like you, I have Comcast, and like you, I found that nothing I did
>>>>> would make channel changing work through firewire. I recommend using an
>>>>> IguanaIR IR blaster, you can get it from their website (
>>>>> iguanaworks.net) for $40. My script is here
>>>>>
>>>>> https://code.google.com/p/mythtv-scripts/source/browse/trunk/install/opt/mythtv/bin/channelchange.sh
>>>>> Other necessary scripts are also there. The IR channel changing is
>>>>> 100% reliable with these scripts, and you just point mythtv to the external
>>>>> channel change script /opt/mythtv/bin/channelchange.sh. The script takes
>>>>> care of a number of glitches that can happen, like the Iguana service
>>>>> failing, lirc failing, the set top box being turned off etc. One thing that
>>>>> DOES work with the Comcast set top box is detecting through firewire that
>>>>> it is turned on.
>>>>>
>>>>> To use those scripts a number of things need to be set up - iguana
>>>>> service, lirc, etc.
>>>>>
>>>>> Since tuning the set top box with an IR blaster takes a few seconds, I
>>>>> set in mythtv the option to start recordings 15 seconds early.
>>>>>
>>>>> A small tip - you can use the set top box built in "VCR timer" to set
>>>>> it to turn on at the correct times for the programs. You can see the
>>>>> upcoming program list on mythtv and set the set top box to tune the correct
>>>>> channels at those times. However this method is really only for emergencies
>>>>> since it is very tedious and you can easily make mistakes.
>>>>>
>>>>> Peter
>>>>>
>>>>
>>>> @Peter. This is really awesome thanks so much.
>>>>
>>>> I've already started messing around with setting up a IR Blaster using
>>>> my MCE USB Kit (that came with the WINTV HVR 1600)  and I have no plans to
>>>> buy anything new at this time. That being said will your scripts work with
>>>> the "mceusb" remote? I downloaded the "LircChannelChanger" one last night "
>>>> http://www.mythtv.org/wiki/LircChannelChanger" and started trying to
>>>> get it to work from the command line, but the STB didn't seem to respond.
>>>> My STB is the RNG150N.
>>>>
>>>
>>> One small detail--did you find a lircd.conf file with the appropriate
>>> lirc IR codes for your STB?
>>>
>>> Karl
>>>
>>
>> @Karl - I don't think so. Where would I find the appropriate lircd.conf
>> file. Is it posted somewhere online?
>>
>> Floyd
>>
>> You might try this one:
> http://lircconfig.commandir.com/lircd.conf/?viewremote=1227 which I'd
> recommend starting with since it uses the (probably more correct and
> reliable) XMP flags, or there's one that was posted to this list a couple
> years ago here:
> http://www.mythtv.org/pipermail/mythtv-users/2012-March/330131.html See
> the notes about transmitter placement in that latter link, however.
>
> Karl
>

@Karl, this is great thanks! I'll give this a try tonight and see if I can
get it working. I'm also thinking of ordering the IguanaIR. I want to try
this approach first and see if it works.
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