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Multiple IR Commands Mapped to a Single Key


js500
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Hello, I use FLIRC with an Amazon Fire TV.  I also have an HTPC with an IR interface (not a FLIRC).  When I control the HTPC, the enter command is also registered on the FLIRC as an enter command.  This will often start a random Amazon video on the Fire TV even though no one is watching it, and it is eating up a lot of my capped bandwidth.

Here is my setup.  I programmed a Harmony remote as a Sony Blu-ray player.  None of my equipment is Sony.  I then mapped the "theater" button from the Sony to the Harmony's OK button.  I then programmed the FLIRC to understand that this "theater" button is the enter button on the Fire TV.  It works flawlessly (I don't have the duplicate entry issue some people have on this forum).  The exception is that, in addition to understanding this Sony "theater" button as OK/enter, the FLIRC is apparently also understanding my HTPC's enter button as being OK/enter.  It is as though there are multiple infrared mappings stored in the FLIRC for this one button, so if it receives any of those mappings, it treats them as the OK/enter button.

Is this what is happening, and if so, is there a way to disable this functionality?  I would like the FLIRC only to respond to what I programmed it to respond to, not the programmed key plus some other keys.  Thank you for any help you can provide.

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Yes, you can have multiple IR codes mapped to a single button. It's possible that someone pressed the button on your HTPC remote when you've been recording keys in Flirc. Connect Flirc to PC, open Flirc GUI, click ERASE and press the offending button on the HTPC's remote (the OK button).

You didn't write what happens when you press the OK button on Harmony you're using for Flirc. Is it also recognized on HTPC? There may be some IR codes overlapping.

Edited by yawor
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Thanks for your help.  Erase was not working, so I forced a firmware update to clear the FLIRC out.  Then I re-recorded the keys in the FLIRC.  That solved the overlapping button issue.  However, it introduced the double-keying issue some people experience with Harmony remotes.  I've increased the inter-key delay on the FLIRC to 7 (max), and I told the Harmony that it was sending commands too fast.  I thought this combination would resolve it, but it did not.  I think what I may do is tell the Harmony it is sending commands too slow.  That way it will speed up the sending of the commands.  Then I will record the high-speed commands with the FLIRC.  Then I'll set the Harmony to its slowest command setting.  Perhaps that will help, although it may not.  

I wonder if there is a way to program an even more extended inter-key delay into the FLIRC.  Presumably the settings 1-7 each just correspond to some delay time, and adding further delay (e.g., 8-15) would be trivial.  I'm sure that would introduce other issues for some users, but it might give other users a more robust option to try to troubleshoot issues like this.  But I don't really know the internals of how this operates, so the idea might not work for other reasons.

Thanks again for your help.

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I resolved the multiple key press issue today.  I forced a firmware update to clear the FLIRC, leaving checked the built-in profiles in the advanced menu and leaving the inter-key delay at 5.  I then used the Media Center PC Flirc Fire TV profile in the Harmony software to update my Harmony 680 remote.  That combination worked perfectly.  Everything registers correctly, no more double key presses, and no more overlapping IR codes!  Thanks for the help.

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