[mythtv-users] using an IR Blaster
beww at beww.org
Mon Jan 8 17:01:55 UTC 2007
On Jan 8, 2007, at 5:36 AM, R wrote:
> Some details ...
> I am running mythbackend version: 0.19.20060121-2
I'm running that exact version, installed via MythDora 2.0 (Saleen).
So far so good.
> Yes, I am in Comcast land. San Francisco, Bay Area.
> My only PVR-350 is directly connected to a Comcast
> coxial cable, no Comcast box.
> Yes, I am using DataDirect and the Comcast channel
> lineups work just fine.
> I have an external satellite TV Set Top Box:
> Coolsat Digital Satellite 5000 platinum
> The svideo out from Coolsat goes to the svideo
> on the PVR-350 and the audio to the Line-In.
> (I know, I need another PVR card.)
> Thanks for suggesting the MyBlaster device.
> This confirms what I've read on gossamer-threads.
> Do you have any preferences on the model:
> I have serial and USB ports available.
I'm using a serial unit. According to the web site there is no Linux
driver for the USB unit so they suggest using a serial unit with a
USB adapter if you are running Myth. Since you have a serial port I
see no reason to pay for a USB adapter.
> I did not see any mention of Coolsat on mytvstore.com.
Nor do I (of course not, we looked at the same site :-))
> The Coolsat manual does have a listing of remote (hex) keys on page
> The manual for the model 5000 and 4000 is the same.
> Any idea, how difficult it might be to make MyBlaster learn this?
I think the MyBlaster has some learning capacity, but I've never had
to play with it. I bought the unit because I knew it would work with
a DISH receiver. You may well find that a "traditional" LIRC-type
blaster is a better solution for you.
You might also be able to use the blaster that comes with the newer
PVR cards. The last I heard this took a patched LIRC but that is
pretty old information now. Sorry I can't give you any more specific
info on that.
> I'll look into DataDirect to get channel lineups for Coolsat.
Who is the actual provider for the Coolsat? The web site doesn't make
> One of my main goals is the merge the Comcast and Coolsat
> channels into a unified MythTV lineup. You've done
> just about the same thing.
> So where/how exactly in Myth do you do the mapping of the
> satellite channel numbers to your preferred MythTV
> channel numbers?
There is no "mapping" per se. I just set up two different lineups
with DataDirect, one for analog cable and another for DISH. I then
just specified the appropriate lineup for each PVR card.
I actually have four lineups from datadirect, analog cable, DISH,
digital cable and off-air. I'm only using the first two at the
moment. I'm trying to build a new machine that will do HD from O/A or
QAM, but that one of those "on the list" projects.
So I see two potential problems:
Getting a lineup for the Coolsat service, whatever that really is, and:
Getting some sort of IR blaster that either knows or can learn the
control codes for the Coolsat receiver. The receiver does apparently
have a serial port but I don't know if you can control it that way
(as you can with some DirectTV receivers). A copper wire is always
more reliable than an IR blaster (though I've never had a control
failure with the MyBlaster).
In case I haven't said it recently, thanks again to William Munson
for the very nice script for running the MyBlaster device. It's the
hidden "fiddly bits" like that which help turn Myth from a
developer's hobby into a usable "appliance".
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