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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 2002:a05:6602:2256:: with SMTP id o22mr448619ioo.95.1559675772368; Tue, 04 Jun 2019 12:16:12 -0700 (PDT) X-Received: by 2002:a9d:6c13:: with SMTP id f19mr6299513otq.76.1559675772108; Tue, 04 Jun 2019 12:16:12 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!g15no1891itd.0!news-out.google.com!l126ni218itl.0!nntp.google.com!g15no1890itd.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Tue, 4 Jun 2019 12:16:11 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=201.47.125.127; posting-account=1Xv-6QoAAACDoVuHxsOQybzr2Y_PgwKz NNTP-Posting-Host: 201.47.125.127 References: <36947344-5a17-46ca-9dbb-f795ce1f7c86@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: Which embedded devices do you use? From: =?UTF-8?Q?Ricardo_Brand=C3=A3o?= Injection-Date: Tue, 04 Jun 2019 19:16:12 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader01.eternal-september.org comp.lang.ada:56475 Date: 2019-06-04T12:16:11-07:00 List-Id: Thanks for all information Optikos There are a lot of boards that I didn't know :) Em ter=C3=A7a-feira, 4 de junho de 2019 12:55:23 UTC-3, Optikos escreveu: > On Tuesday, June 4, 2019 at 10:01:53 AM UTC-5, Ricardo Brand=C3=A3o wrote= : > > Hi, > >=20 > > I worked with embedded systems for a long time. > >=20 > > I started with Z-World devices on late 80's. And now I'm working mainly= with ESP32 boards. > >=20 > > I'm learning ADA and I'd like to use it on my new projects. So, I'd lik= e to know what boards/processors you guys are using. > >=20 > > Normally, my projects need Digital IOs, Analog Inputs, and any way to w= ireless communication: Bluetooth, BLE, WiFi... > >=20 > > And I'm used to work with I2C devices as well (OLED displays, sensors, = RTC, and so on). > >=20 > > Thanks > >=20 > > -- > > Ricardo Brand=C3=A3o >=20 > I like Marvell's ESPRESSObin board, as distributed in the USA by Globalsc= ale Technologies (shipped direct from PRChina). >=20 > http://ESPRESSObin.net >=20 > With an Armada 3720 SOC, it is capable of doing some serious telecom/data= com high-speed packet processing with some hardware assist (instead of slow= software-processor speed) on its 2 LAN and 1 WAN Ethernet ports. (Of cour= se better would be the 7000 or 8000 series Armadas which have full-fledged = SR-IOV on their SOC, but hey there is always room for improvement in the fu= ture.) >=20 > There is also the ESPRESSObin's baby brother (with fewer Ethernet ports):= the new Sheeva64 in wall-wart form-factor, continuing the venerable Sheev= aPlug family. >=20 > https://www.GlobalscaleTechnologies.com/p-86-sheeva64.aspx >=20 > What is nice about the ESPRESSObin and Sheeva is that they are embrace Yo= cto-Project Linux, so you are not tied to any one Linux distro. Instead, Y= octo Project requires that you roll your own Linux distro from near-scratch= (e.g., mimicking whichever distro or bleeding edge referent* that you pref= er). >=20 > * e.g., Linus Torvold's git repository >=20 > https://www.YoctoProject.org >=20 > Each ARM hobbyist SBC community has a different specialty. I wouldn't do= high-packet-rate telecom/datacom processing on a Raspberry Pi, for example= . That is what the Marvell Armada line is better suited for. >=20 > Btw, Marvell's Armada series is the decscendent whose ancestors include t= he DEC StrongARM and the Intel XScale, so in some ways this is one of the = =E2=80=9Cmain trunks=E2=80=9D in the ARM-processor community, especially fo= r industrial usage=E2=80=93not some twig on a branch. >=20 > https://www.TheRegister.co.uk/2006/06/27/intel_sells_xscale >=20 > Plus, Marvell's MoChi (modular chip multi-die SOCs) technology (=E2=80=A2= not=E2=80=A2 in the Armada 3720) is one of the industry leaders in DARPA's = MoChi endeavors in recent years. DARPA is trying to seed some of the major= SOC processor manufacturers with MoChi. Getting on board with Marvell now= likely prepares you for the aggressive MoChi future as the 1st-generation-= MoChi 7000 and 8000 series eventually migrates into the hobbyist SBCs, and = then aggressive-MoChi successors follow after that in coming years. >=20 > https://www.marvell.com/architecture/mochi