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Newsgroups: comp.lang.ada
Date: Mon, 17 Jun 2013 09:15:03 -0700 (PDT)
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Subject: Re: Help with embedded hardware/software platform selection for Ada
From: Max Herman <maxherman@gmail.com>
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Date: 2013-06-17T09:15:03-07:00
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On Monday, June 17, 2013 2:55:51 AM UTC-4, Jacob Sparre Andersen wrote:

> I am doing some work on a project where we use a Cortex A8 CPU with a
> custom Linux kernel on it.  Power-up to user-space takes 3.2 seconds.
> 
> We build the whole system - including GNAT and Ada applications - using
> Yocto/Bitbake.  There is a Bitbake recipe for GNAT available on GitHub.

Jacob, it's a great suggestion. Thanks, I will look into it. 

> If your application has real-time requirements, Linux isn't really a
> good choice, and you should look into either a proper RTOS or using an
> Ada run-time directly on the board.

Yeah, I agree. There are some RT patches, but it looks like they don't guarantee 100% guaranteed response time. Also response time highly depends on CPU peripherals drivers, which in most cases provided by CPU vendors, so coding quality may not be great :/