[avr-libc-dev] [bug #22510] Macro symbol SELFPRGEN defined twice in iom328p.h

[Norbert Melinat]

URL:
  <http://savannah.nongnu.org/bugs/?22510>

                 Summary: Macro symbol SELFPRGEN defined twice in iom328p.h
                 Project: AVR C Runtime Library
            Submitted by: nmelinat
            Submitted on: Freitag 07.03.2008 um 18:23
                Category: Header
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Header files
                  Status: None
        Percent Complete: 0%
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

SELFPRGEN is defined twice in header file iom328p.h.
iom328p.h:
/* $Id: iom328p.h,v 1.3 2007/12/18 21:04:26 arcanum Exp $ */
...
#define SPMCSR _SFR_IO8(0x37)
#define SELFPRGEN 0
...
then redefined later as:
...
/* Extended Fuse Byte */
#define SELFPRGEN ~_BV(0)  /* Self Programming Enable */
#define EFUSE_DEFAULT (0xFF)
...
This leads to compiler warning (negative bit-shift) for
statements like this:
 SPMCSR |= (1 << SELFPRGEN)





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