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 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,3025dd6d917b499c X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.180.84.74 with SMTP id w10mr3127936wiy.4.1350352713609; Mon, 15 Oct 2012 18:58:33 -0700 (PDT) MIME-Version: 1.0 Path: q10ni65138232wif.0!nntp.google.com!feeder3.cambriumusenet.nl!feed.tweaknews.nl!193.141.40.65.MISMATCH!npeer.de.kpn-eurorings.net!npeer-ng0.de.kpn-eurorings.net!border2.nntp.ams2.giganews.com!border1.nntp.ams2.giganews.com!border3.nntp.ams.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!news.panservice.it!news.swapon.de!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Simon Clubley Newsgroups: comp.lang.ada Subject: Re: Ada, the best language with the not-so-best tool chain Date: Wed, 10 Oct 2012 17:52:00 +0000 (UTC) Organization: A noiseless patient Spider Message-ID: References: <38af7fb8-b0a4-4a31-87aa-b7b698cc89c3@googlegroups.com> <1f645050-cf4c-40bf-a797-9687b69e4a54@googlegroups.com> <18ats2960nsvm$.kfufsnul13aq$.dlg@40tude.net> <5072c9ae$0$6562$9b4e6d93@newsspool4.arcor-online.net> <4keoa6epdxt7.1nnwxy7v7ar90.dlg@40tude.net> <5072dc68$0$6554$9b4e6d93@newsspool4.arcor-online.net> <1f7cmfp1l65w1.1deog8cfxbs0u$.dlg@40tude.net> <5072e37a$0$6556$9b4e6d93@newsspool4.arcor-online.net> <1kg5574txbj9s.tjfsf4bdpyge$.dlg@40tude.net> <55440330-bb12-4e03-82ae-a3bee3d929cb@googlegroups.com> Injection-Date: Wed, 10 Oct 2012 17:52:00 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="e298f3c034f630fa7d024371528fc2e1"; logging-data="10687"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX181xLrFiKFWyQZLwoSnVNZ/loZ1ze97AAE=" User-Agent: slrn/0.9.8.1 (VMS/Multinet) Cancel-Lock: sha1:WPu1SlUPqFNEFCpDms3QyFvwrt8= Date: 2012-10-10T17:52:00+00:00 List-Id: On 2012-10-10, Rego, P. wrote: > On Wednesday, October 10, 2012 10:13:41 AM UTC-3, Simon Clubley wrote: >> >> Question 1: if you could not use GPIO lines to control commodity >> >> R/C components, how would you have the onboard computer control the >> >> engine and flight control surfaces ? >> > ARM boards look very much like a compromise. That rarely pays off. Likely >> > there exist better solutions for a model aircraft, but I cannot judge that. >> >> I would welcome suggestions as I cannot currently think of any viable >> alternatives to a small and low power general purpose onboard computer. > > I do. I use AVR boards to make this kind of control as hobby. In general they > are very simpler when you compare computational power, but it fits well, > depending on the application, and depending on what you want to embed on the > target model. [snip] In this context, I would still regard a AVR board as a general purpose computer, but just a limited capability one. When I wrote that comment, I got the feeling that Dmitry didn't like the whole idea of using GPIO lines to control servos, and I got the impression that he was thinking along the lines of using some task-specific communications hardware, protocols and aviation specific computer hardware to link everything together. Unfortunately, I don't know of anything which would fit this role, given the weight and budget constraints, hence my question. >> > How many people spend their time building model aircrafts? Could rail >> > transport modeling be a better candidate? >> >> When you look around, it seems a surprising amount of people do (or at >> least they consider it). Compared to making a aircraft fly through the >> air, rail transport modeling seems kind of boring in comparison. :-) > > I agree, lots of people doing this. And as a friend once told me...cars are > boring, they don't fly! That's the idea :-) :-) Simon. -- Simon Clubley, clubley@remove_me.eisner.decus.org-Earth.UFP Microsoft: Bringing you 1980s technology to a 21st century world