[En-Nut-Discussion] Building NUT/OS for Atmega2561

Shaun Armstrong dud.one at ntlworld.com
Fri Jul 7 10:46:12 CEST 2006

as per avrfreaks Harald

AVRGCC tool chain (gcc-4.1.1, binutils-060523, avr-libc-1.4.4) built. It 
supports ATmega2560/2561.
It is available on: http://www.atmanecl.net/EnglishSite/softwareEnglish.htm

hope it helps


----- Original Message ----- 
From: "Harald Kipp" <harald.kipp at egnite.de>
To: "Ethernut User Chat (English)" <en-nut-discussion at egnite.de>
Sent: Friday, July 07, 2006 9:00 AM
Subject: Re: [En-Nut-Discussion] Building NUT/OS for Atmega2561

> Hi Thiago, Josh,
> Good news: Version is running on the ATmega2561, using
> ImageCraft 7.06B. Yesterday I tried several samples including
> httpd.
> Bad news: Not all things work. First, we are still limited to
> 128 kBytes program space. I'm considering moving the application
> code to upper flash as a temporary solution. This way Nut/OS needs
> not to deal with long jumps, only returns.
> Second, the EEPROM routines don't work. That's all I found out
> during a short test.
> Does anyone know about a pre-build GCC toolchain running on
> Windows? AFAIK, AVRGCC for Linux can be patched with success,
> but from my experience you need some luck to get a toolchain
> patch working on Cygwin/MingW.
> Harald
> At 17:20 06.07.2006 -0300, you wrote:
>>As far as I know, from the past posts from Harald and others, it's not yet
>>supported. The problem is that Atmel renamed many registers and the code
>>must be changed somehow to support the new names.
>>I've ordered a few samples to try porting it. It might take a while for 
>>to get here, but I'm interested in helping the porting effort if someone
>>wants to start it :)
>>We need some guidance on how to cope with the register renaming issue :)
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