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[avr-libc-dev] EEPROM variables

From: Artur Lipowski
Subject: [avr-libc-dev] EEPROM variables
Date: Mon, 26 May 2003 10:07:14 +0200

Current version of AVR-GCC requires for EEPROM variables a const qualifier
(without const: "error: xxxxxx causes a section type conflict").
Declarations of EEPROM handling functions in avr-libc totally ignore that
and to compile code without warnings an additional typecast is needed, eg.:

const uint8_t EE_sleep_time __attribute__ ((section (".eeprom"))) = 4;


It looks a little inconsistent.

I am not certain if it is a problem of the avr-libc or maybe AVR-GCC
>From avr-libc point of view such variables are not pure constants and GCC
requirement is too restrictive.

What do you think about?
Maybe it will be better to change AVR-GCC behaviour?

Artur Lipowski

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