maradydd: (Default)
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i am typing this post with my prototype chording glove

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Date: 2009-07-01 04:34 pm (UTC)
From: [identity profile] enochsmiles.livejournal.com
Wha? This isn't dynamically changeable?

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Date: 2009-07-01 04:46 pm (UTC)
From: [identity profile] maradydd.livejournal.com
AFAICT it's about as dynamic as you get with a microcontroller -- at least, one that doesn't have external flash storage. And even then you'd need a way to get the new keymappings into the flash. The SpiffChorder design uses the 8k of flash onboard the ATMega8, which can be altered using ISP (in-system programming); we could probably figure out a way to make the USB connector pull double-duty for ISP and power/data lines, but it'd require a fairly major redesign of the circuit and I'm not sure it would fit into a pair of 28-pin wirewrap sockets anymore (which is a Major Win feature for me).

That said, we could probably use gEDA or EagleCad and the existing schematic to design a breadboard with surface-mount components, which would be a little spendier but would look really awesome. Can I have that rework station I keep asking for? :D
Edited Date: 2009-07-01 04:46 pm (UTC)

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