a single process operating system running multiple threads including printing system information, reading from a SD card, and playing music. Here is an overview of the project

• img - a disk image of what the SD card should look like
• src - the source code for the project
  • io - user input/output
  • fs - file structure for EXT2 format
  • os - the underlying operating system
  • sd - code for reading the SD card with the arduino mega
  • sync - semaphore and mutex used for synching threads
  • globals.h - some global variables
  • namp.c - the main program