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Topic:
Please help with obscure IR protocol document
This thread has 1 response. Displaying all posts.
Post 1 made on Wednesday April 15, 2015 at 03:44
p.vladi
Lurking Member
Joined:
Posts:
December 2012
4
Dear All,

I was given a protocol document by a manufacturer that contains a list of IR codes that my Crestron IR learner was not able to learn from the original remote.

The document states:
CUSTOMER ID: 143(Decimal)
RC SUB MODE (32 bit)
Frequency36 KHz
System code:038(Decimal)

And then a list of functions, including "000" for digit 0, and "012" for power toggle.

As far as I was able to find on this forum, this appears to be Philips RC6, however, looking at the RC6 code, the customer ID cannot go as high as 143.

Please help...

Many thanks,

Paul

*EDIT*
The remote control has two sides, one with the typical remote functions for a STB - and a full keyboard on the underside.

Another part of the protocol document lists this:
"By pressing the MOUSE key, the LED will give a confirmation blink (3x).
To move the mouse cursor when on RC side, press the directional key.
OK key will simulate the Mouse Left click (RCMM KB keycode 127)."

So it would appear that the remote also uses Philips's RCMM protocol

"Remarks: CUSTOMER ID: 143(Decimal)
Cursor key: Mouse SUB MODE (24 bit)
OK key: KB SUB MODE (24 bit)
Default speed setting is 9"

Last edited by p.vladi on April 15, 2015 03:52.
Post 2 made on Thursday April 16, 2015 at 03:06
3FG
Select Member
Joined:
Posts:
August 2009
1,861
Probably these signals are RCMM 32 and 24 bit.  The system code of 38 is typical.  In the IR community, we refer to these signals as Nokia and Nokia32, because they were first seen in devices made by Nokia.  We have assigned arbitrarily device, subdevice, and function numbers as 8 bits each, and the 32 bit version has 8 bits of "X"-- the system code in Philips nomenclature.

So probably these signals can be described as Nokia or Nokia32 with device number 8, and subdevice 240.  The X parameter is 38.  You can generate Pronto Hex by using IrScrutinizer and on the Generate tab select either Nokia or Nokia32 as the IR protocol.  Fill in the D box with 8 and S with 240.  For Nokia32 add X=38 T=0 in the additional parameters box.  Since this is a toggle protocol, you may also need to generate T=1 Pronto Hex also.  For Nokia, omit the X=38.

I'm not sure if the D and S numbers are correct, but these are my best guess. For example:
Nokia32 device 8, sub 240, function 12, X 38 T 0
0000 0073 0000 0012 000F 000A 0006 000A 0006 000A 0006 0016 0006 000A 0006 001C 0006 001C 0006 000A 0006 000A 0006 000A 0006 0016 0006 0010 0006 0016 0006 000A 0006 000A 0006 001C 0006 000A 0006 0C93

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