[mythtv-users] Need IR advice

Jason McMillon jmcmillon at gmail.com
Tue Aug 30 15:31:54 UTC 2005


I second the JP-1 idea. You need build yourself a JP-1 cable (an old IDE 
cable works well) to program your remote with.
 Check out http://www.hifi-remote.com/jp1/ for more info.
 Here is what I did to get mine working with MythTV 
http://jason.sharonandjason.com/remote_mini_how_to.htm
 Good luck...


 On 8/28/05, Joe Votour <joevph at yahoo.com> wrote: 
> 
> If you can get RC-5 working, then you can use the
> receiver that came with your PVR-150. No extra
> expense there. In order to get the extra buttons to
> work, you might need a different remote though. (But,
> remotes can be cheap - the URC-6131 that I use is only
> $20.)
> 
> It sounds like it's a problem with your receiver -
> either the receiver is broken, or lirc isn't working
> with it.
> 
> By the way, if you want all of the buttons on your
> remove to work, you either need to:
> 1. Find a mode where all of the buttons send IR
> signals, and use that with your irman-like device
> (because it won't work with the PVR-150 receiver), or
> 2. Get a remote that supports key programming (like an
> OneForAll remote, or something JP1 compatible) and
> program the buttons that don't send IR codes to send
> them.
> 
> Also, just so you know, the way I setup my irman with
> my universal remote (using RC-5) was to create a
> config file with the irman tools, and then use a
> script (I think it was included with lirc) to convert
> the irman config file to a lirc config file. I've
> never had much luck with irrecord.
> 
> -- Joe
> 
> --- Michael Tiller <michael.tiller at gmail.com> wrote:
> 
> > My concern with this approach is that I will still
> > see the code
> > "fluxuations" with that device.
> >
> > I did a little more testing and all my remotes have
> > this problem...even the
> > RC-5 ones. It just turns out the RC-5 is much more
> > robust.
> >
> > Another interesting (strange?!?) thing I noticed is
> > that the "errors" don't
> > seem to be related to which keys were pressed
> > previously...they crop up when
> > I change the position or orientation of the remote
> > control! If I move the
> > remote around while holding a single button down,
> > the variations correlate
> > with the movement. WTF?!?
> >
> > As such, investing in additional hardware is the
> > last thing I really want to
> > do just now (although once the IR issue settles down
> > I just might do it). Of
> > course, buying more hardware reduces my WAF which
> > I'm actively trying to
> > raise at the moment. :-)
> >
> > Thanks.
> >
> > --
> > Mike
> >
> > On 8/28/05, Joe Votour <joevph at yahoo.com> wrote:
> > >
> > > This probably isn't what you want to hear, but
> > going
> > > RC-5 and getting a programmable remote (like the
> > > OneForAll series) is one of the easiest ways to
> > go.
> > > They have advanced key mapping capabilities which
> > will
> > > allow you to use almost every button on the remote
> > > control, and the RC-5 receiver in the Hauppauge
> > will
> > > work with it. (BTW, for RC-5 in my remote, I use
> > VCR
> > > code 0081, which works with the Hauppauge card - I
> > > think that the VCR part is the key).
> > >
> > > I don't use the Hauppauge receiver anymore myself
> > (the
> > > jack where it plugs into the card became loose),
> > so
> > > I'm using an irman again. Using RC-5 with the
> > irman
> > > is also good, because it eliminated the conflicts
> > with
> > > my IR wireless keyboard.
> > >
> > > You're probably using your universal remote
> > control
> > > setup as a device which uses the changes in code
> > to
> > > mean something specific to that device.
> > >
> > > To summarize: If you're not attached to your
> > > particular remote, get an OneForAll remote (or a
> > > similar Radio Shack remote), and use the button
> > > programming functions to assign extended RC-5
> > codes to
> > > the extra buttons you wish to use. It doesn't take
> > > long (it only took me a couple of hours to setup),
> > and
> > > on my URC-6131 remote control, I can use every
> > button
> > > with MythTV, except for SET and the buttons that
> > > select devices.
> > >
> > > -- Joe
> > >
> > > --- Michael Tiller <michael.tiller at gmail.com>
> > wrote:
> > >
> > > > After getting my Myth box set up, I have been on
> > a
> > > > quest to improve the WAF
> > > > for my system. There have been many tweaks, but
> > my
> > > > "holy grail" has been to
> > > > get all the functions (both media center + TV +
> > ...)
> > > > on to a single
> > > > universal remote. I thought my objective was
> > within
> > > > my grasp, but I've been
> > > > thwarted once again and I'm hoping somebody can
> > > > provide me with a solution
> > > > to my latest problem.
> > > >
> > > > First, a bit of background. I have a PVR-150
> > card. I
> > > > got the LIRC stuff
> > > > going with the IR pickup that came with the
> > card.
> > > > But, it only works with
> > > > the Hauppauge supplied remote. I know in theory
> > I
> > > > could probably get it to
> > > > work with other RC-5 remotes, but none of the
> > codes
> > > > I tried on my universal
> > > > remote seemed to work.
> > > >
> > > > I tried making my own, but the voltages weren't
> > > > right and I just didn't have
> > > > the time to iterate on that thing.
> > > >
> > > > So I bought an IRA-3 from
> > www.home-electro.com <http://www.home-electro.com><
> http://www.home-electro.com>
> > > > <http://www.home-electro.com>thinking my days of
> > > > screwing around were
> > > > over. Sadly, I was wrong. The IRA-3
> > > > uses the IRMAN protocol, BTW.
> > > >
> > > > I hooked the thing up and tried to get it to
> > work
> > > > with the version of LIRC
> > > > already installed on my machine (0.7.1). No
> > dice. I
> > > > couldn't seem to get
> > > > anything. It kept giving me an error in
> > > > irman_init(). Crap. So I got the
> > > > source to LIRC and tried building it. No dice,
> > same
> > > > error. Because I could
> > > > initialize the device on my Windows machine, I
> > > > didn't understand what the
> > > > problem was. I got the latest versions of LIRC
> > and
> > > > libirman and tried to
> > > > sort things out.
> > > >
> > > > After a considerable amount of digging and
> > learning
> > > > far more about IRMAN,
> > > > IR, LIRC and serial ports than I ever wanted to
> > > > learn, I eventually managed
> > > > to narrow down the problem. While the IRMAN
> > protocol
> > > > specifies 9600 baud, 8
> > > > data bits, no partity, no flow control and 1
> > stop
> > > > bit, the port
> > > > initialization fails to actually specify one
> > stop
> > > > bit (although it doesn
> > > > explicitly handle all the other parameters). I
> > added
> > > > one line to the
> > > > initialization routine in libirman (to set the
> > stop
> > > > bit to 1, something it
> > > > should have already been doing even according to
> > the
> > > > comments in the code)
> > > > and low and behold...it worked!!! My IRA-3
> > > > initialized and I started getting
> > > > data from it in the expected 6 byte chunks.
> > > > Hooray!!!
> > > >
> > > > At this point, I thought I had finally conquered
> > > > this stupid issue. I
> > > > rebuilt libirman and LIRC using the new
> > > > initialization code and I was well
> > > > on my after running irrecord and building up a
> > .conf
> > > > file for my remote.
> > > >
> > > > Then...disaster struck. After trying to use Myth
> > > > with the new remote it
> > > > seemed like it was ignoring some of the key
> > presses.
> > > > I went back into raw
> > > > mode (using test_io in libirman to output the
> > codes)
> > > > and it turns out that
> > > > the stupid thing is spitting out multiple codes
> > for
> > > > the same key. I don't
> > > > mean it repeats itself (which it does, but that
> > is a
> > > > different issue). I
> > > > mean it gives a different code sequence! God
> > Damn
> > > > IT!!!!
> > > >
> > > > The problem seems to be related to the history
> > of
> > > > key presses. As I said, a
> > > > single keypress send a duplicated code but that
> > > > doesn't seem to cause any
> >
> === message truncated ===>
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