Denon DRA-F109 integration with Raspberry Pi

App for integrating Denon DRA-F109 stereo receiver with Raspberry Pi. See the blog posts:

• http://kfigiela.github.io/2014/06/15/denon-remote-connector/
• http://kfigiela.github.io/2014/06/20/denon-meets-raspberrypi/

Also, thread at Raspberry Pi forum: http://www.raspberrypi.org/forums/viewtopic.php?f=35&t=80037

Repository contents

Executables

• demo.rb – demo example of Denon DRA-F109 protocol parser
• mpd_demo.rb – basic MPD support with AirPlay switching support
• main.rb – main executable for my setup (covers Denon, MPD, lcdproc, ncmpcpp integration, IR blaster for CD player)

Other files

• denon.rb – Denon protocol parser
• my_denon.rb – logic of DRA-F109 integration in my setup
• lcd.rb – logic for driving lcd
• mpd.rb – monkeypatch ruby-mpd to add idle support
• mpd_idle.rb – MPD idle with EventMachine for LCD updates and preloading audio files to memory

How to use

• Clone repo
• bundle install
• ruby demo.rb or ruby mpd_demo.rb