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Custom ISR Prologue in AVR C

April 11, 2016

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I fell into a situation recently where I was relying on pin change (PCINT) interrupts to decode a serial protocol. This meant I needed to be able to detect if the interrupt was triggered by a rising or falling edge. This particular protocol can have pulses as short as 1uS (8 CPU cycles) so in [...]

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Ubuntu on IGEPv2

June 23, 2013

IGEPv2

Preface This is a short guide to getting Ubuntu running on the IGEPv2 Rev C from a bootable SD card.  There are a few guides around that I’ve based various sections on, but I couldn’t find a complete howto that was up to date with the current hardware.  Most credit goes to Michael Opdenacker of [...]

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Prints for Sale

June 14, 2013

CGSY - Photography

I’ve been taking photos for as long as I can remember, starting out with a $10 film camera that had no need for batteries, and chewing through dozens of disposables during my high school years.  I never took it very seriously, it was mostly just documenting fun times with friends. That was until I started hunting for [...]

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