From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,WEIRD_PORT
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Thread: 103376,8518fb63d2af28cf
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
Received: by 10.68.211.136 with SMTP id nc8mr14335149pbc.6.1335825112780;
        Mon, 30 Apr 2012 15:31:52 -0700 (PDT)
Path: 
 r9ni117367pbh.0!nntp.google.com!news1.google.com!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
From: mjsilva@scriptoriumdesigns.com
Newsgroups: comp.lang.ada
Subject: Re: Tasking on GNATAVR
Date: Mon, 30 Apr 2012 15:07:53 -0700 (PDT)
Organization: http://groups.google.com
Message-ID: <13692499.358.1335823673528.JavaMail.geo-discussion-forums@yncd9>
References: <19355816.2739.1335755877395.JavaMail.geo-discussion-forums@ynlp3>
NNTP-Posting-Host: 12.35.64.226
Mime-Version: 1.0
X-Trace: posting.google.com 1335825112 11493 127.0.0.1 (30 Apr 2012 22:31:52
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Mon, 30 Apr 2012 22:31:52 +0000 (UTC)
In-Reply-To: 
 <19355816.2739.1335755877395.JavaMail.geo-discussion-forums@ynlp3>
Complaints-To: groups-abuse@google.com
Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=12.35.64.226;
 posting-account=qZVz2QoAAAAN9WxYp-9jYb7jORc4Zqwt
User-Agent: G2/1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Date: 2012-04-30T15:07:53-07:00
List-Id: <comp.lang.ada>

On Sunday, April 29, 2012 8:17:57 PM UTC-7, Rego, P. wrote:
> Ok, now I got to build and burn the .hex in an Arduino Duemilanove atmega=
328p totally in Ada using GPL GNATAVR in GPS, following=20
> http://student.agh.edu.pl/~mkucia/wiki/doku.php?id=3Davrada
> and much help from you guys.=20
>=20
> In short it consists of:
> 1) Converting a .xml (from AVR Studio) to the atmega328p package spec, wh=
ich maps all the memory addresses of the chip (so I don't have to do it)
> 2) Using this spec package from a main file
> 3) GPS builds the .elf linking with a WinAVR object library
> 4) From command-line, convert the .elf in .hex and burn it into the chip =
using avrdude.
>=20
> Now a simple blink program runs quite well, so runs accordingly as I burn=
 it and start the chip.
>=20
> At this point, we achieve the same coding paradigm than AVR Studio, but i=
n Ada from GPS, not in C anymore.
>=20
> But now I want to include tasking on the code, and I did not find so many=
 resources in documentation (actually I just found http://docs.adacore.com/=
gnat-cross-docs/html/gnat_ugx_12.html). Anyway, I included=20
>=20
>    task My_Useless_Task;
>    task body My_Useless_Task is
>    begin
>       null;
>    end My_Useless_Task;
>=20
> and when I tried to build, builder returned me
>=20
> main.adb:13:04: construct not allowed in configurable run-time mode
> main.adb:13:04: file s-parame.ads not found
> main.adb:13:04: entity "System.Parameters.Unspecified_Size" not available
> main.adb:13:04: violation of restriction "No_Tasking" at system.ads:52
>=20
> I also tried to look inside system.ads (c:\gnat\2011\lib\avr\4.5.3\rts-zt=
p\adainclude\system.ads, which is installed with GNATAVR package), and ther=
e is plenty of pragma restrictions, including pragma Restrictions (No_Taski=
ng). I commented this pragma Restrictions (No_Tasking), but just the 4th er=
ror line vanished.
>=20
> So, what should I do to make the tasks work?

AFAIK, there is no AVR Ada runtime, so it would have to be written.  I have=
 no idea how much work that would be.