[Haskell-cafe] ANN: atom-0.0.2

John Van Enk vanenkj at gmail.com
Tue May 5 00:06:54 EDT 2009

If any one has been looking at this and wants another example, I've finished
two posts on the topic of Atom.

These posts depend on a patch:

Part 1: http://blog.sw17ch.com/wordpress/?p=84 <- Brief discussion and
describes the patch
Part 2: http://blog.sw17ch.com/wordpress/?p=111 <- Writing a program to
blink an LED.

Feed back would be appreciated!


On Sun, Apr 26, 2009 at 4:39 PM, Tom Hawkins <tomahawkins at gmail.com> wrote:

> Atom is a DSL in Haskell for designed hard realtime embedded programs.
>  At Eaton, we are using it to control hydraulic hybrid refuse trucks
> and shuttle buses.  After my talk at CUFP
> (http://cufp.galois.com/2008/schedule.html), a few people inquired
> about atom -- I finally had a chance to upload it to Hackage.
> http://hackage.haskell.org/cgi-bin/hackage-scripts/package/atom-0.0.2
> Some new enhancements:
> - A simple rule scheduler for load balancing.
> - Signal probing for debug and data logging.
> - Functional coverage to monitor which rules have executed.
> - Started integration with the Yices SMT solver for bounded model checking.
> Experiences with our Eaton project:
> - 5K lines of Haskell/atom replaced 120K lines of matlab, simulink,
> and visual basic.
> - 2 months to port simulink design to atom.
> - 3K lines of atom generates 22K lines of embedded C.
> - Design composed of 450 atomic state transition rules.
> - Rules with execution periods from 1ms to 10s all scheduled at
> compile time to a 1 ms main loop.
> - 3 minute compilation time from atom source to ECU.
> - Atom design clears electronic/sw testing on first pass.
> - Currently in vehicle testing with no major issues.
> Tom
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