Re: USB Boarduino on AVR-Ada Tutorial

[Brian Drummond <brian_drummond@btconnect.com>]

On Mon, 23 Aug 2010 12:29:31 +0300, Tero Koskinen <tero.koskinen@iki.fi> wrote:


>> None of the obvious (to me) approaches to installing the tools have worked
>> smoothly on my machine (running OpenSuse 11.3).
>> 
>> The closest I've got is using the cross-avr-binutils (2.20) and cross-avr-gcc
>> (4.5.0) packages from OpenSuse, available as binary and source rpms.
>
>I have AVR-GCC 4.5.0 with Ada support and AVR-Ada 1.1.0 RPM .spec files
>for Fedora 13 available at http://iki.fi/tero.koskinen/avr-gnat/
>
>They should probably work out of the box with Arduino (atmega328p),
>but I think I disabled support for all other chipsets[1] because it was
>easier (for me) that way.

Thanks to you and David for further suggestions.

Building the 4.3 toolset using GCC4.5 would be non-trivial, involving patching
the sources (the previously mentioned failure in binutils2.19, tc-avr.c turns
out to be a negative enum! GCC4.5 objects to this - the "solution" in 2.20 is to
cast it to an int...)

The atmega328p is not the only AVR I want to target, so I may have work to do if
I use these. But it's good to know there's life in AVR-GCC 4.5 despite the
number of online sources reporting you need 4.3.x. If my current build runs into
difficulty I'll take a look at these rpms. 

I had to disable *some* devices to build avr-libc 1.70 with GCC4.5.0 (or 4.5.1),
because the compiler didn't recognise them, and didn't report correctly
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45261

But not many. (why did the source rpm named 4.5.0 build a compiler identifying
itself as 4.5.1, I wonder?)

- Brian