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From: Rolf <rolf.ebert_nospam_@gmx.net>
Newsgroups: comp.lang.ada
Subject: Re: Building gnat-gpl-2011-avr-windows from scratch in GPS
Date: Sun, 15 Apr 2012 09:02:31 -0700 (PDT)
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Date: 2012-04-15T09:02:31-07:00
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> > Is there a worked example with the toolchain?
>
> No. I could not find any example that I could run yet.

AdaCore's AVR compiler comes with a sample application somewhere (I
don't remember where).

When using gcc for AVR you have to specify the target MCU at the
compile and link steps with the option -mmcu=<name of mcu>. In your
example you missed that option in the compile step.


> But googling today I found this tutorial by Maciej Kucia:http://student.agh.edu.pl/~mkucia/wiki/doku.php?id=avrada
>
> which looks to be very interesting. The tutorial requires GNAT AVR + GPS +
> WinAVR GNU gcc tools and libraries for AVR + Atmel AVR Studio 5. I use all of them frequently, so that's no problem, but I'd expect that I could use just GNAT AVR + GPS to build the .hex. However sure it can be a very good starting point. I will try it.

AVR-Ada /= AdaCore's AVR compiler.

AVR-Ada V1.1 still uses gcc-4.3.x, AdaCore's AVR compiler is based on
gcc-4.5. That version has a serious problem if you use locally renamed
variables of the MCU's registers.  Either use AVR-Ada V1.1 or wait a
few days/weeks for AVR-Ada V1.2 which will use gcc-4.7

HTH
    Rolf