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URC-7145 Evolve 4 R02
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The Robman
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Joined: 01 Aug 2003
Posts: 20235
Location: Chicago, IL

PostPosted: Tue Apr 06, 2021 9:46 am    Post subject: Reply with quote

Good news.
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Rob
www.hifi-remote.com
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mathdon
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Joined: 22 Jul 2008
Posts: 3758
Location: Cambridge, UK

PostPosted: Tue Apr 06, 2021 9:50 am    Post subject: Reply with quote

The Robman wrote:
I was wondering about the checksum as the older version of the remote uses the /2 checksum, but the raw dump showed /4 so I dismissed the thought.

You misunderstand the raw dump, Rob. It does not give a suffix on the checksum. In an RDF this would correspond to the default of /4, but in the raw dump it means that the suffix cannot be determined from the data. If it can be determined then the raw dump will give explicitly either /2 or /4.
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Graham
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The Robman
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Joined: 01 Aug 2003
Posts: 20235
Location: Chicago, IL

PostPosted: Tue Apr 06, 2021 11:14 am    Post subject: Reply with quote

The first raw download that was posted had the /4 suffix on the checksum:
http://www.hifi-remote.com/forums/dload.php?action=file&file_id=26300

I didn't notice that the macro file that was posted lacked a suffix, which I'm guessing is what you are looking at.
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Rob
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mathdon
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Joined: 22 Jul 2008
Posts: 3758
Location: Cambridge, UK

PostPosted: Tue Apr 06, 2021 12:15 pm    Post subject: Reply with quote

Sorry, Rob, my mistake. Yes, I was looking at the macro file. I was not aware of the earlier one. My checksum-finding code in RMIR overlooks the possibility that the data length is an odd value. This can only happen for JP1.4, which this remote is. That first raw download has a data length of 0x67, which should have given an undetermined suffix. I will fix this in the next build, very soon now.
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