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[avr-libc-dev] [bug #13290] avr/io.h EEAR def is flawed for the Mega48

From: Bob Paddock
Subject: [avr-libc-dev] [bug #13290] avr/io.h EEAR def is flawed for the Mega48
Date: Fri, 3 Jun 2005 23:48:24 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4


                 Summary: avr/io.h EEAR def is flawed for the Mega48
                 Project: AVR C Runtime Library
            Submitted by: bpaddock
            Submitted on: Fri 06/03/2005 at 23:48
                Category: Header
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
        Originator Email: address@hidden
             Open/Closed: Open



For the Mega48 the logic at the end of
<avr/io.h> is flawed because iomx8.h sets E2END to 0xFF.

#if E2END < 0x100 && !defined(__COMPILING_AVR_LIBC__)
# undef EEAR
# if E2END > 0
#   define EEAR _SFR_IO8(0x1E)
# endif
# undef EEARH


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