[ECOS] ARM7 ADC drivers - any progress?

Steven Clugston steven.clugston@newcastle.ac.uk
Mon May 18 14:43:00 GMT 2009


> > Hi
> >
> > I want to use an ARM7 board running eCos for a battery
> charge monitor
> > /
> > UPS type application for which I need ADC support.
> >
> > I need a small and cheap standalone board for this and I have
> > identified
> > Olimex SAM7-MT-256 (AT91SAM7S256) and Olimex LPC-MT-2138 as
> possible
> > candidates.
> > Reading back through the archives there has been recent
> discussion about
> > an AT91 ADC driver and an LPC2xxx ADC driver modified from
> the LPC24xx
> > driver:
> >
> > AT91: http://sourceware.org/ml/ecos-discuss/2008-10/msg00018.html
> >
> > LPC2xxx: http://sourceware.org/ml/ecos-discuss/2008-12/msg00176.html
> >
> > Has there been any more progress with these?
> >
> > Are they likely to be contributed or made available anytime soon?
> >
> > Thanks,
> >
> > Steven
> >
> > --
> > Before posting, please read the FAQ:
> > http://ecos.sourceware.org/fom/ecos
> > and search the list archive:
> http://ecos.sourceware.org/ml/ecos-discuss
> >
> Hi Steven
> I am not familiar with the processors you mention, but I have
> written a
> module
> that uses the adc of the AT91SAM7X. Its not ready to go into
> ecos (as part
> of ecos), but it integrates smoothly into an ecos-based
> application - and
> it works. It may (or may not :-( ) be helpfull for you.
>
> Best regards
>    Robert

Looks interesting, if not a bit application specific, but from the comments it matches my application quite well.
I have battery voltage through a potential divider, a couple of motor currents off sense resitors and some hall effect sensors for other currents to measure.

Thanks,

Steven

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