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Channel: Nerdy Texts of Analog and Embedded Systems Wizardry » C Programming
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WTPA v0.95 Gremlins

The lone and level sands stretch far away from this nasty Nas, I’m afraid: Not that you can tell from gazing on this benighted silicon Ozymandias, but no pretty waveforms will happen tonight. It’s not...

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WTPA v0.95 Noise Floor and Programming Victories

Yesterday was a good day for sampler technology! Three really important things got done; two are improvements on the old sampler: First: the serial link between the MCUs is now totally robust and...

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WTPA v0.95 ISR Speed Characterized, Code Revs, H/W Changes

Online in 2k9, my ducks. So sometimes, contrary to common blogline belief there are times when I’m quite busy even when I’m not posting. This New Year / Holiday period was one of them. There are some...

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WTPA v1.0 Up and Running, And Hosed (a little). Also Dorkbot.

Oh Snap! There’s the goofy silkscreen I promised last time. But don’t worry, it gets better :-) So I’ve done my best with the above Still-Life-With-Nerd collage to try and convey, in a meaningful...

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WTPA v1.0 Stuffed With Code Like So Much Stove Top

No pretty pictures today. The hex for WTPA is up to >10kB, which is quite possibly the most code I’ve ever crammed onto an 8-bit part. The feature list is full and then some, and the ISRs are...

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WTPA Gets Iced; Version 2 Firmware Out!

Happy Birthday America! Wait — no: Happy Birtday WTPA! It’s a little bogus to use the above fuzzy-wuzzy pictures, but given the current state of fireworks in my neighborhood and the celebratory...

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Varactor Based Video Synth Prototype

My first winter in Brooklyn I made this biz. It’s a video synth that I put together on a little Narrat1ve-specific protoboard (or as I call it, the Narrat1ve Big Wizard). It’s different than the last...

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“Video Game TiVo” Revised for Production

So over the last couple years I’ve been building different variations on this thing for my client/buddy Cory. It’s had many names but the one we tended to call it the most often was the “Video Game...

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WTPA Firmware Rev 3 Released!

OK. I finished shoe-horning necessary functions into this beast. Somebody tell me something that needs to change or this beta becomes legit by tomorrow. There are a whopping 12 bytes left in memory,...

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Infinite Impulse Response, Art, Flatulence

So I got back from Chicago on Monday, where I went to take care of this blighted piece of public art. “Remoc” is this big old green beast who I made with a sculptor buddy back in like 2005, at the...

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