Class: Hardware::Display

Inherits:
Component show all
Defined in:
lib/hardware/display.rb

Instance Method Summary collapse

Methods inherited from Component

#monitor_changes, #reset

Constructor Details

#initialize(actuator_collection) ⇒ Display

Returns a new instance of Display.



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# File 'lib/hardware/display.rb', line 4

def initialize(actuator_collection) 
  super(nil, actuator_collection)
  @lines = ['','']
end

Instance Method Details

#configure ⇒ Object 



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# File 'lib/hardware/display.rb', line 23

def configure
  create_actuator_for(:display_show) do |line, message|
    show(line, message)
  end
end

#line_one ⇒ Object 



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# File 'lib/hardware/display.rb', line 9

def line_one
  @lines[0]
end

#line_two ⇒ Object 



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# File 'lib/hardware/display.rb', line 13

def line_two
  @lines[1]
end

#show(line, message) ⇒ Object 



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# File 'lib/hardware/display.rb', line 17

def show(line, message)
  return unless line.is_a?(Fixnum) && line >= 0
  @lines[line] = message[0,16]
  changed
end