gistfile1.rb

require "midi"
require "eventmachine"
# prompt the user to select an input and output


EventMachine.run do
  @input = UniMIDI::Input.gets
  @output = UniMIDI::Output.gets
  
  EventMachine.set_timer_quantum(10);
  MIDI.using(@output) do
    @cc_timer = EventMachine::PeriodicTimer.new(0.02) do
      @count ||= 1
      @count += 1
      @count %= 127
      @count = 1 if @count == 0
      puts @count
      cc 1, @count
      cc 93, 127 - @count
    end

    @note_timer = EventMachine::PeriodicTimer.new(60/ 150.0) do
      off
      octave 3
      note %w{D F G Ab A C D}[rand(7)]
    end
  end
end