A tiny bare-bones OS for the AVR.
C++
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README.markdown
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README.markdown

LILOS

LILOS is a little operating system I built over Spring Break. It provides multitasking and basic hardware abstraction for the Atmel AVR (currently, the ATmega328p).

The Example Program

There's a working example in main.cc. It assumes an Arduino-style configuration where an LED is connected to Port B 5. It starts four user tasks and demonstrates inter-task messaging, GPIO, and use of the USART.

It currently uses 2804 bytes of Flash and 384 bytes of RAM. I hope to reduce both numbers now that everything works.