AVR-Chat

I found precompiled code (.hex) for ATmega microcontroller but I'd like to 
get "C language" code please but I was not able to fnd it.
thanks

>GitHub", which points to:
>https://github.com/rayshobby/opensprinkler
>The project was done using arduino, and instructions for building the
>project is found here:
h>ttp://rayshobby.net/?page_id=732