Monthly Archives: December 2014

A Short Blink

Posted on December 29, 2014 by Jim Eli

Here is my entry into the “smallest blink program contest” compiled in the arduino IDE. Can you determine how it works? The arduino IDE reports 184 bytes total. The relevant part of the program compiles to the following loop of … Continue reading →

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Not Reading an AVR Bootloader From the Application Section

Posted on December 23, 2014 by Jim Eli

See this post first. The reason my program fails is because interrupts are disable inside the BLS. Running interrupts in the BLS requires a different lock bit setting than the standard arduino. The arduino boot loader doesn’t use any interrupts, … Continue reading →

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Reading an AVR Bootloader From the Application Section

Posted on December 19, 2014 by Jim Eli

What follows is a brilliant hack, created by Julians Kidmore (aka Snial), the talented mind behind the Fignition project. His ingenious hack, called BootJacker, is documented on his blog, OneWeekWonder. I can’t begin to explain his algorithm as well as … Continue reading →

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