#!/usr/bin/ruby

require 'joystick'

# make sure a device was specified on the command-line
unless ARGV.size > 0
  $stderr.puts 'Missing device name.'
  exit -1
end

# open the joystick device
Joystick::Device.open(ARGV[0]) { |joy|
  # print out joystick information
  puts "Joystick: #{joy.name}", 
       "Axes / Buttons : #{joy.axes} / #{joy.buttons}",
       ''

  # loop forever
  loop {
    ev = joy.ev

    case ev.type
    when Joystick::Event::INIT
      puts 'init'
    when Joystick::Event::BUTTON
      puts "button: #{ev.num}, #{ev.val}"
    when Joystick::Event::AXIS
      puts "axis: #{ev.num}, #{ev.val}"
    end
  }
}