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How to decode RCMM philips protocol
This thread has 9 replies. Displaying all posts.
Post 1 made on Thursday December 19, 2013 at 02:14
asheesh
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hello everyone, I am trying to decode RCMM(philips protocol) using VISHAY TSOP31536 IR Receiver with STM32F207 microcontroller kit. There is sufficient data for RC5 protocol but not even a single site is explaining about RCMM. Even the details of RCMM specified(frame/message details) in documents is quite different from what I extracted from the CRO in lab (e.g. each pulse is coming out as 32 bits of data). Please let me know from where can I find reliable RCMM documentation or any useful help?
I am ready to sign NDA (or any such document) to get useful information about RCMM protocol and its decoding. Waiting for your +v responce..
ash
Post 2 made on Friday December 20, 2013 at 08:37
Lyndel McGee
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Have a look at a document in the Classic Pronto Files section authored by Eigeny Eulanov or Eugene Eulanov. It concerns the firmware of the legacy Pronto and how it generates IR.
Lyndel McGee
Philips Pronto Addict/Beta Tester
Post 3 made on Saturday December 21, 2013 at 03:05
3FG
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I don't know of any source of official documentation.  However, the link you provided does describe accurately the 12 and 24 bit versions of RC-MM.  These days, we see the 32 bit version.  Sometimes the 32 bit version is referred to as Nokia32.  

The IRP  notation for Nokia32:
{36k,msb}<164,-276|164,-445|164,-614|164,-783>(412,-276,D:8,S:8,T:1,X:7,F:8,164,^100m)+ 

The exact timing shown in the IRP  as experimentally determined.  Probably the timing shown in your link is more correct.
My notes say: The Nokia32 protocol is one variation of the RCMM 1.5 protocol developed by Philips. RCMM refers to X as "System" and to D:2,S:4:4 as "Customer", but I don't remember where I saw this info.
Post 4 made on Saturday December 21, 2013 at 22:59
Lyndel McGee
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You might want to ping John Fine in the JP1 forum on Yahoo or send him an RC mail message as I believe his profile is still active.
Lyndel McGee
Philips Pronto Addict/Beta Tester
OP | Post 5 made on Thursday January 2, 2014 at 01:49
asheesh
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@Lyndel McGee.. Thnx for your concern. I checked JP1 forum for 'John Fine' but NO such username for the same exists(may be due to wrong spelling), could you please correct the spelling. Or provide me the email-id/other contact info of 'John Fine'.. thnx once again
ash
OP | Post 6 made on Thursday January 2, 2014 at 04:50
asheesh
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@Lyndel McGee,, I got the actual name. The correct user name is "johnsfine", he is an IR expert. thank you, lets hope a +v responce
ash
Post 7 made on Thursday January 2, 2014 at 10:58
The Robman
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Here is a link to John's profile at JP1:
[Link: hifi-remote.com]
Rob.
[Link: hifi-remote.com]
Post 8 made on Thursday January 2, 2014 at 12:00
Lyndel McGee
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On January 2, 2014 at 04:50, asheesh said...
@Lyndel McGee,, I got the actual name. The correct user name is "johnsfine", he is an IR expert. thank you, lets hope a +v responce

John Fine is is real name, I do believe. And yes, he is an IR expert. Sorry for any confusion.
Lyndel McGee
Philips Pronto Addict/Beta Tester
OP | Post 9 made on Friday January 3, 2014 at 03:57
asheesh
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Thanx Rob for providing the john's profile but now he is not an active member.
ash
Post 10 made on Friday January 3, 2014 at 12:29
Lyndel McGee
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Send him an RCMail from here. His profile is johnsfine.
Lyndel McGee
Philips Pronto Addict/Beta Tester


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