Re: ARM embedded stuff

From	Brian Bailey <bbailey@argonet.co.uk>
Subject	Re: ARM embedded stuff
Newsgroups	comp.sys.acorn.misc
Date	2012-02-20 08:06 +0000
Message-ID	<5264610436bbailey@argonet.co.uk> (permalink)
References	(9 earlier) <526058c93ebbailey@argonet.co.uk> <5260609e6ddave@davenoise.co.uk> <5263fba2cbtim@invalid.org.uk> <5263fdcfc7dave@davenoise.co.uk> <almarsoft.7170557585411462177@news.orange.fr>
Organization	None

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[snip]


> > I suppose the only relation to on topic is our RPCs seem to last 
> near
> > forever and are a great deal more complex than a car ECU. So it can be
> > done.

> Ah, but the last time I saw an ECU it was this plastic box with 
> something buried in some sort of epoxy resin with wires coming out of 
> it. I think you'll find a domestic computer is a little easier to 
> fiddle with. We have OS sources, we have chipset specs in case you 
> want to throw away the OS and run something else, it connects to 
> fairly standard parts, there are schematics. Many problems can be 
> fixed or worked around (repairing damage from leaking batteries is 
> difficult but not impossible). 

> It's an order or two more complex than an ECU, but on the other hand it
> is equally an order or two more open and fiddlable-with.

That might be a slightly sweeping statement re complexity, Rick. 8-)

An ECU isn't just a logic/fault finding device. True, *some* of its tasks
are confined to a discrete set of logical tasks but in a modern car that
can be quite a number. *Plus* it manages the engine itself through the
complex management of the engine map, and that map is itself continually
modified/re-mapped depending on a number of variables related to engine
load and environmental conditions, including how you are driving the
machine.

It can be modified through re-mapping by people like Superchips. My
present VW has been re-mapped and the results are quite amazing re
driveability and economy, etc. 

Anyway, I ended up with a complete set of fault codes together with
manuals on engine management systems trying to figure what was going on.
Through many searches on the internet I knew that the main agent was lying
to me and that I was experiencing a number of well reported faults.

I spent several visits to a branch of an internationally well known diesel
specialist who declared that it was incorrectly wired (they had a complete
wiring diagram and there were wires that had been cut and led nowhere) and
they confirmed faults but never did find out what was actually wrong with
the beast.

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ARM embedded stuff davehigton <davehigton14@googlemail.com> - 2012-02-03 01:19 -0800
  Re: ARM embedded stuff Alexander Ausserstorfer <bavariasound@chiemgau-net.de> - 2012-02-04 22:05 -0800
  Re: ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-07 20:03 +0000
    Re: ARM embedded stuff Fred Bambrough <fred@[127.0.0.1]> - 2012-02-07 20:22 +0000
      Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-07 21:01 +0000
      Re: ARM embedded stuff Graham Pickles <graham@durain.demon.co.uk> - 2012-02-08 10:41 +0000
        Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-08 11:01 +0000
          Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-08 14:01 +0000
            Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-08 14:43 +0000
            Re: ARM embedded stuff Matthew Phillips <spam2011m@yahoo.co.uk> - 2012-02-08 20:38 +0000
              Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-08 20:56 +0000
                Re: ARM embedded stuff "John Williams (News)" <UCEbin@tiscali.co.uk> - 2012-02-08 22:03 +0100
                Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-08 21:49 +0000
                Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-09 06:49 +0000
                Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-09 10:04 +0000
                Re: ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-10 11:35 +0000
                Re: ARM embedded stuff Bob Seago <rjseago@gmail.com> - 2012-02-09 17:45 +0000
                Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-12 14:58 -0800
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-13 09:53 +0000
                Re: ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-13 10:28 +0000
                Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-13 12:10 -0800
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-13 22:34 +0100
                Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-13 21:52 +0000
                Re: ARM embedded stuff JTM <usenetbin@free.fr> - 2012-02-14 11:24 +0000
                Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-16 09:15 -0800
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:38 +0100
                Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 00:53 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-17 06:45 +0000
                Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-17 08:05 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 12:28 +0000
                Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 13:47 +0000
                Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 15:48 +0000
                Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-17 08:54 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 12:48 +0000
                Re: ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-19 13:48 +0000
                Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-14 07:14 +0000
                Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-15 20:54 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-15 23:37 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-16 11:02 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-16 11:25 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:10 +0100
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 00:47 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-17 11:04 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-18 00:00 +0100
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-17 12:11 +0000
                Re: Electric heating: was ARM embedded stuff Bryn Evans <d@a.invalid> - 2012-02-17 16:38 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 17:06 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-17 19:04 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-17 14:17 +0000
                Re: Electric heating: was ARM embedded stuff Theo Markettos <theom+news@chiark.greenend.org.uk> - 2012-02-18 04:11 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-18 09:09 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-18 10:21 +0000
                Re: Electric heating: was ARM embedded stuff workstuff@mail.com - 2012-02-18 14:11 +0100
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-18 16:03 +0000
                Re: Electric heating: was ARM embedded stuff NedA <news@ned.uk.invalid> - 2012-02-18 17:28 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-19 15:09 +0000
                Re: Electric heating: was ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-26 23:35 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-27 23:07 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-27 23:44 +0000
                Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-27 23:46 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-27 23:54 +0000
                Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 08:18 +0000
                Re: Electric heating: was ARM embedded stuff Jeremy Nicoll - news posts <jn.nntp.scrap007@wingsandbeaks.org.uk> - 2012-02-28 02:11 +0000
                Re: Electric heating: was ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-28 07:25 +0000
                Re: Electric heating: was ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-28 09:34 +0000
                Re: Electric heating: was ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-28 11:59 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 09:15 +0000
                Re: Electric heating: was ARM embedded stuff cferris@freeRemoveuk.com.invalid - 2012-02-28 09:38 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 10:38 +0000
                Re: Electric heating: was ARM embedded stuff cferris@freeRemoveuk.com.invalid - 2012-02-28 11:05 +0000
                Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 11:14 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 12:07 +0000
                Re: Electric heating: was ARM embedded stuff Chris Shepheard <chris.shepheard@chrispics.co.uk> - 2012-02-28 19:33 +0000
                Re: Electric heating: was ARM embedded stuff Peter Young <pnyoung@ormail.co.uk> - 2012-02-28 20:13 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-29 05:44 +0100
                Re: Electric heating: was ARM embedded stuff ff <ff@mdharding.org.uk> - 2012-02-29 10:41 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-29 11:37 +0000
                Re: Electric heating: was ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-29 22:24 +0000
                Re: Electric heating: was ARM embedded stuff SG nws <nwsgrp@ntlworld.com> - 2012-03-01 02:12 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 04:14 +0100
                Re: Electric heating: was ARM embedded stuff Jess <phantasm_39@hotmail.com> - 2012-03-08 14:34 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 03:31 +0100
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 05:04 +0100
                Re: Electric heating: was ARM embedded stuff NedA <news@ned.uk.invalid> - 2012-03-01 08:43 +0000
                Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 03:31 +0100
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 11:44 +0000
                Re: Electric heating: was ARM embedded stuff SG nws <nwsgrp@ntlworld.com> - 2012-02-28 18:53 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 12:09 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 13:11 +0000
                Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 14:02 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 15:19 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 16:39 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 18:08 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 22:02 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 22:58 +0000
                Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 15:06 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-28 16:15 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 18:45 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-28 20:19 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 21:36 +0000
                Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-29 01:25 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-29 11:18 +0000
                Re: Electric heating: was ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-28 20:26 +0000
                Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 21:40 +0000
                Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 15:20 +0000
                Re: ARM embedded stuff Chris Evans <chris@cjemicros.co.uk> - 2012-02-13 12:16 +0000
                Re: ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-13 12:42 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 13:52 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-13 14:43 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 15:26 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-13 17:43 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 18:56 +0000
                Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-13 12:14 -0800
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-13 22:49 +0100
                Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-14 01:01 +0000
                Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-16 09:21 -0800
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:25 +0100
            Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-10 12:54 +0000
              Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 07:00 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 10:43 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 12:11 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 13:37 +0000
                Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-12 14:59 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-12 15:27 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 15:54 +0000
                Re: ARM embedded stuff Philip Draper <Philip@borehamh.demon.co.uk> - 2012-02-12 15:18 +0000
                Re: ARM embedded stuff OT T M Smith <thomas.smith57@ntlworld.com> - 2012-02-12 17:45 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 15:11 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 15:47 +0000
                Re: ARM embedded stuff Brian Carroll <bric-nospam@argonet.co.uk> - 2012-02-12 15:01 +0000
                Re: ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-19 13:38 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 14:02 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-19 16:47 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-19 21:43 +0000
                Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-19 22:07 +0000
                Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-19 22:55 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 23:16 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-20 00:03 +0000
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-20 02:16 +0100
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-20 10:25 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 14:06 +0000
                Re: ARM embedded stuff "Bruce Goatly" <ss4@goatly.co.uk> - 2012-02-20 10:41 +0000
                Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-20 06:26 +0000
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-20 01:57 +0100
                Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-20 08:45 +0000
                Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-20 09:31 +0000
                Re: ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-20 20:51 +0000
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 18:35 +0100
                Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-19 17:50 +0000
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 19:19 +0100
                Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 19:21 +0100
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 19:01 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 18:59 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 08:06 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-20 10:36 +0000
                Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 14:04 +0000
                Re: ARM embedded stuff Chris Evans <chris@cjemicros.co.uk> - 2012-02-13 14:37 +0000
                Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 15:57 +0000
  Re: ARM embedded stuff davehigton <davehigton14@googlemail.com> - 2012-02-09 03:20 -0800
    Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-09 17:36 +0000
  Re: ARM embedded stuff Jim Nagel <jimnewsm10d@abbeypress.co.uk> - 2012-02-20 13:37 +0000

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