[mythtv-users] IR Blaster and Dish Network: How close does it have to be?

Greg Foster greg.foster at gmail.com
Fri Sep 7 16:16:06 UTC 2007


On 9/7/07, Calvin Harrigan <charrig_mythtv at bellsouth.net> wrote:
> Greg Foster wrote:
> > On 9/6/07, Mark (home) <fairlane at springcom.com> wrote:
> >>> On 9/6/07, Bearcat M. Sandor <HomeTheater at feline-soul.com> wrote:
> >>>
> >>>> I'll mess with it some more when i get home, but now it amounts to
> >>>> "Honey, hold that next to the receiver while i try this code"..."Alright
> >>>> let's try this one."  This may end in divorce :) I suppose i could just
> >>>> tape it temporarily.
> >>>>
> >>>> Bearcat M. Sandor
> >> I used to have a simple IR transmitter.  Diode and resistor.  Then I built a
> >> USB powered amplified one.  Then I taped it to the receiver.  At that point
> >> it was fairly reliable.  Answer is it depends on your ambient conditions.  I
> >> have fairly bad ambient light.  My reciever occasionally gets sunlight on it.
> >> YMMV.
> >> _______________________________________________
> >> mythtv-users mailing list
> >> mythtv-users at mythtv.org
> >> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >>
> >
> > With my 3100 receiver (301 in the US), I found that remote address '6'
> > yielded the best results... 2 years without a missed channel.
> >
> > Greg.
> > _______________________________________________
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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
>
> What version of lirc are you using?  What kernel version?  What config
> file?  I have a 311 that works for most part.  But ever so often it
> misses a digit in a channel, usually the first digit in a three digit
> number. Seems more times than not, it misses the number 1 in the first
> position.  The blaster I used is the second one on
> http://www.lirc.org/transmitters.html.  I tried tuning it, but still the
> same, I get about 2-5 misses a month or so.  I've though about using a
> hardware carrier transmitter, but haven't had the time, they are said to
> be more reliable.  The software carriers are affected by cpu load,
> interrupts and other things.  I have a dual core cpu now, it used to
> seem as if it was more reliable on the single core.
>
> Calvin...
> _______________________________________________
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> mythtv-users at mythtv.org
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>

Running on KnoppMyth R5E50 (Linux mythtv 2.6.18-chw-13 #1 SMP PREEMPT
Sun Dec 3 23:47:01 PST 2006 i686 GNU/Linux)

Currently using the 'irblasterd' included with KnoppMyth (which is
lircd 0.8.1-CVS-pvr150)

I have recently been running on a 4700 with remote address '0'.  I'll
see if I can dig up the remote_address '6' config for you.




[snip]
begin remote

  name 3100
  bits           16
  flags SPACE_ENC
  eps            30
  aeps          100

  header        400  6100
  one           400  1700
  zero          400  2800
  ptrail        400
  gap          6200
  min_repeat      4
  toggle_bit      0

  frequency    56000

      begin codes
          power                    0x0000000000000800
          0                        0x0000000000004400
          1                        0x0000000000001000
          2                        0x0000000000001400
          3                        0x0000000000001800
          4                        0x0000000000002000
          5                        0x0000000000002400
          6                        0x0000000000002800
          7                        0x0000000000003000
          8                        0x0000000000003400
          9                        0x0000000000003800
          up                       0x0000000000006800
          cancel                   0x0000000000004800
      end codes

end remote
[snip]


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