[mythtv-users] HD-PVR IR Blaster Guide

Robert McNamara robert.mcnamara at gmail.com
Wed Dec 30 01:00:35 UTC 2009

On Tue, Dec 29, 2009 at 4:55 PM, John Welch <jrw3319 at gmail.com> wrote:
> On Tue, Dec 29, 2009 at 9:32 AM, Bobby Schwartz <rschwartz at lastar.com> wrote:
>> I've gotten a couple requests for more info on configuring this in Mythbuntu.  I posted some steps in the MythTV wiki for the HD-PVR.  http://www.mythtv.org/wiki/Hauppauge_HD-PVR  These steps should get most people up and running.  It does require compiling drivers - if you're not comfortable doing it then something like Fedora (already includes IR support) may be a better option.
>> You'll still need a channel changer script.  Here's a simple example I wrote.  Remember to change keyprefix to suit your setup.
>> #!/bin/bash
>> irsend="irsend"
>> remote="blaster"
>> keyprefix="0_125_KEY_"
>> for ((i=0 ; i<${#1} ; i++)); do
>>  echo $irsend $SEND_ONCE $remote $keyprefix${1:i:1}
>>  $irsend $SEND_ONCE $remote $keyprefix${1:i:1}
>> done
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> Hi Bobby,
> First, thanks for posting these steps in the wiki.  They made setting
> up the IR blaster on my Fedora 12 Mythtv backend a relatively trivial
> process.  Unfortunately things aren't quite working for me.  I've
> followed your steps, and when I run the 'send_power_new' script I see
> the red light on the transmitter come on as the 'irsend' commands are
> sent, but the power never cycles on my cable box.  I've actually tried
> with two different cable boxes; both Motorola, one a DCT3200 and the
> other a DCT3412.  While neither is explicitly listed on the "IR
> Codeset" page my understanding is that both of these boxes are
> essentially the same as the corresponding DCT6xxx box (ie DCT6200 and
> DCT6412).  Any suggestions?
> Thanks,
> John


The script cycles through all codesets, one after the other.  Did you
wait for it to complete?


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