Class: PanTilt::CommandLine

Inherits:
Object
  • Object
show all
Defined in:
lib/pan_tilt/command_line.rb

Instance Method Summary collapse

Constructor Details

#initialize(debug = false) ⇒ CommandLine

Returns a new instance of CommandLine.



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# File 'lib/pan_tilt/command_line.rb', line 3

def initialize(debug=false)
  options = {
    debug: debug,
    pan_position: PanTilt::PAN_START_POSITION,
    tilt_position: PanTilt::TILT_START_POSITION
  }
  @board = Dino::Board.new(Dino::TxRx::Serial.new)
  @rotor = PanTilt::Rotor.new @board, options
  @led   = Dino::Components::Led.new(pin: PanTilt::LIVE_LED, board: @board)
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/pan_tilt/command_line.rb', line 14

def run
  print_instructions
  @led.send :on

  while key = STDIN.getch
    case key
    when PanTilt::ESCAPE
      @led.send :off
      break
    when PanTilt::LEFT_ARROW
      @rotor.rotate_by (- PanTilt::INCREMENT), 0
    when PanTilt::RIGHT_ARROW
      @rotor.rotate_by PanTilt::INCREMENT, 0
    when PanTilt::DOWN_ARROW
      @rotor.rotate_by 0, (- PanTilt::INCREMENT)
    when PanTilt::UP_ARROW
      @rotor.rotate_by 0, PanTilt::INCREMENT
    end
  end
end