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DecodeIR and Nokia32

 
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The Robman
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Joined: 01 Aug 2003
Posts: 19221
Location: Chicago, IL

PostPosted: Mon Sep 26, 2011 10:58 am    Post subject: DecodeIR and Nokia32 Reply with quote

Would it be possible to change the way that the Nokia32 protocol is decoded by DecodeIR?

Currently it reports the "X" value (in the Misc column) as an 8-bit value, whereas in fact it's really a 7-bit value. The MSB is really a toggle bit.

If you look at the signals learned in this thread you'll see that the X value is reported with values 38 and 166. I would prefer to see it just reported as 38, with an additional entry of T=1 or T=0 depending on the value of the toggle.
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3FG
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Joined: 19 May 2009
Posts: 3257

PostPosted: Mon Sep 26, 2011 12:49 pm    Post subject: Reply with quote

I'll take a look. Seems like that should be doable.
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vickyg2003
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Joined: 20 Mar 2004
Posts: 7054
Location: Florida

PostPosted: Mon Sep 26, 2011 1:04 pm    Post subject: Reply with quote

Another way to fix this would be to write up a protocol help/ protocol note for both KM and RM. The "no help available" makes this harder than it needs to be.
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NEC1



Joined: 03 Jul 2010
Posts: 56

PostPosted: Wed Feb 01, 2012 5:49 am    Post subject: DecodeIR and Nokia32 Reply with quote

T=x usually indicates the Toggle bit, as used by certain protocols such as Philips RC-5.
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eferz
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Joined: 03 Jun 2010
Posts: 1078
Location: Austin, Texas

PostPosted: Wed Feb 01, 2012 10:42 am    Post subject: Re: DecodeIR and Nokia32 Reply with quote

NEC1 wrote:
T=x usually indicates the Toggle bit, as used by certain protocols such as Philips RC-5.

Rob wants to simplify the user's perception of the information. IR Scope and RMIR will show a high number and a low number when X incorporates the toggle bit. The difference between the two numbers is 128d which is the eighth bit. So, showing the value of the first seven bits as X would disentangle the necessary input in RM for the "X:" and the "High X-bit" entries.

However, I also agree with Vicky that the documentation should also reflect the how the Nokia32 is decoded. Because if the X value was over 128 and constant then that can also pose confusion. Not that I've ever seen these occurrence but it is possible.
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