Subject:
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Re: RCX Replacement Firmware
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 8 Nov 2004 04:36:40 GMT
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Viewed:
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864 times
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In lugnet.robotics, Dick Swan wrote:
> I've written replacement firmware for the RCX with the objective that it
> is compatible with Lego's byte-code opcodes. I'm looking for volunteers
> willing to give it a test and provide feedback on any problems/bugs.
> Please send me a private e-mail if you're interested.
>
> I have two versions of firmware . One operates ten times faster than
> Lego's firmware and the other runs 100 times faster. It is the 10X
> version that is ready for testing; if testing goes well, then I plan to
> release it as freeware. The 100X version may end up being distributed as
> shareware.
>
> I've been using this firmware for several years and it's proven very
> stable in my applications. I do minimal programming using tasks and
> events and this is the one area is pretty much untested.
>
> Some of the key firmware enhancements include:
>
> - Very fast real time performance.This is the key enhancement. Programs
> tend to behave better with more real time. For example, line followers
> stick closer to the line with less zig zagging because of more frequent
> updates.
>
> - Near perfect rotation sensor support. At speeds up to 2,000 ticks per
> second (vs 333 ticks in Lego's software)
>
> - Accurate timer using 1 millisecond resolution.
>
> - Expanded messaging and IR capabilities.
>
> - Number of variables expanded to 256
>
> - 128 motor power levels.
>
> - 32-bit integer and floating point support.
>
> - Breakpoints and single step support for PC based IDEs.
>
> - And many more.
>
> I'll provide a more comprehensive list and information to those who show
> interest.
Wow, I'm impressed and interested. Unfortunately it's our busy season for work
and I won't get a chance to play with my Mindstorms for a couple of months. But
I look forward to seeing this progress!
Dean
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Message is in Reply To:
 | | RCX Replacement Firmware
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| I've written replacement firmware for the RCX with the objective that it is compatible with Lego's byte-code opcodes. I'm looking for volunteers willing to give it a test and provide feedback on any problems/bugs. Please send me a private e-mail if (...) (20 years ago, 7-Nov-04, to lugnet.robotics) !
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