Author name: Richard Man

New ad and new products, oh my!

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We just submitted a new ad to Circuit Cellar Inc. It should appear in their Nov issue. (Note: the young woman demonstrating her eBox kit IS a student, not a professional model. 🙂 ) Meanwhile, we have a few new major and minor product releases in flight, so many that it is almost tough to keep track of them. Some highlights: As blogged in a previous entry, the Parallax Propeller is an exciting new microcontroller that brings the power of multiprocessing to embedded market.  We are now prototyping a XMM (external memory model) scheme where programs can be stored in […]

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$1 ISP (In System Programmer) Dongle for the AVR

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We are now offering an ISP dongle for the Atmel AVR for a $1 if you purchase an ADV or PRO license of our ICCV7 for AVR compiler. Every AVR user needs of these (or two or three for spare). CUrrently we have the parallel port version and we will be getting some USB STK500 ISP compatible dongle soon and we will run the same special pricing for them. Visit our site for more details. As always, you can download a fully functional 45 days demo of our compilers.

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The Dinkumware Library

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I have been fortunate to have worked with (or at least in the same room with 🙂 ) some really smart people over the years: people that worked at the Space Shuttle compilers, people that designed the ground breaking 200Mhz DEC Alpha system, the HP PA-RISC team etc., but the one that left the most impression on me is P.J. Plauger. He found Whitesmiths in the mid-70s after working with the early Unix/C people at Bell Lab. Whitesmiths produced one of the earliest C compiler outside of the Bell Lab and he wrote Idris, a Unix V6 compatible OS from

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Parallax Propeller and the Propeller C Compiler

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I worked at compiler teams for a few companies before founding ImageCraft: large ones like DEC (RIP) and HP, but also smaller ones like Whitesmiths and Intermetrics. The joke is that when a company promotes their latest chips as “co-designed with C compiler experts,” it means that they’d sent us poor compiler writers an email after tape-out. In reality, C is a fairly easy language to support – the experience of the early C designers when they first wrote PDP-11 Unix in C, and then ported it to a different architecture (the Honeywell 635, a mainframe) helped hone C to

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REXIS (V2): The Subsumption Architecture OS

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Subsumption Architecture was defined by MIT’s Rodney Brooks as a new method of building intelligent systems based on reactive behavior based control. While 20+ years later, the promise of the subsumption architecture has not produced an intelligent robot yet (although I suppose we don’t *really* know the full capability of the PackBots used by the military 🙂 ), the subsumption architecture remains an enticing theory for building control systems. With the ever increasing use of embedded micrcontrollers and sensors, the subsumption architecture becomes an appealing choice for such system due to the following properties: The architecture is inherently multiple process

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