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From: Simon Clubley <clubley@remove_me.eisner.decus.org-Earth.UFP>
Newsgroups: comp.lang.ada
Subject: Re: Help with embedded hardware/software platform selection for ADA
Date: Wed, 3 Jul 2013 12:08:33 +0000 (UTC)
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On 2013-07-02, Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
> On Tue, 2 Jul 2013 19:29:52 +0000 (UTC), Simon Clubley wrote:
>
>> I don't understand why you think the only way to get data into a board
>> is via a A/D converter.
>
> Because digital stuff is better to handle by dedicated hardware. This is
> why I wrote that if you are using main CPU for the purpose of making a
> signal generator or an incremental encoder or what you wrote below, it is
> an architectural problem.
>

You still need to interface that hardware to the rest of your circuit and
the SPI/I2C protocols (which generally use GPIO lines) are common ways of
doing that.

>
> Why didn't you take an RF TV remote receiver? It has USB/COM interface and
> is fairly simple to use. We deployed such stuff in some projects.
>

I wasn't aware of any devices which remotely match what I need.

Do you have a pointer to the unit you are thinking of ?

It would be very interesting to have a look.

Thanks,

Simon.

-- 
Simon Clubley, clubley@remove_me.eisner.decus.org-Earth.UFP
Microsoft: Bringing you 1980s technology to a 21st century world