[avr-libc-dev] [bug #35948] iom32u4.h for ATmega32U4 incorrectly defines Timer 2

[Paul Fox]

URL:
  <http://savannah.nongnu.org/bugs/?35948>

                 Summary: iom32u4.h for ATmega32U4 incorrectly defines Timer 2

                 Project: AVR C Runtime Library
            Submitted by: pgf
            Submitted on: Thu 22 Mar 2012 11:44:05 AM EDT
                Category: Header
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Header files
                  Status: None
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.6.8
           Fixed Release: None

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Details:

it's my understanding from the datasheet that the atmega32u4 doesn't have a
Timer 2, so it seems like the definitions for TCCR2A, TIFR2, TCNT2, etc,
should be missing from the header file.

all of those are, indeed, missing from iom32u2.h, so i think their presence in
iom32u4.h must be just an oversight.

apparently timer 2 isn't mentioned in the ATmega32U4.xml part description file
provided with AVR Studio, either, though i was told this at the avrfreaks
forum, and don't know it firsthand.

(my version is 1.6.8-2, from ubuntu natty.)

paul




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