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[avr-libc-dev] [patch #6690] Shorten calculation of dallas 1-wire crc

From: Krzysztof Kościuszkiewicz
Subject: [avr-libc-dev] [patch #6690] Shorten calculation of dallas 1-wire crc
Date: Sat, 13 Dec 2008 05:32:03 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2008112309 Iceweasel/3.0.4 (Debian-3.0.4-1)


                 Summary: Shorten calculation of dallas 1-wire crc
                 Project: AVR C Runtime Library
            Submitted by: dr_vee
            Submitted on: Sat 13 Dec 2008 05:32:01 AM GMT
                Category: None
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any



Resubmitting the patch already sent to the mailing list so that it will not
get lost...

I believe that saving bit 0 of the __crc register into T is unnecessary, as
the LSR instruction will
automatically save the same bit into C.


File Attachments:

Date: Sat 13 Dec 2008 05:32:02 AM GMT  Name: avr-libc-1wire-crc8.patch  Size:
754B   By: dr_vee



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