Class: Dino::Components::Button

Inherits:
BaseComponent show all
Defined in:
lib/dino/components/button.rb

Constant Summary collapse

UP = 
"01"
DOWN = 
"00"

Instance Attribute Summary

Attributes inherited from BaseComponent

#board, #pin, #pullup

Instance Method Summary collapse

Methods inherited from BaseComponent

#initialize

Constructor Details

This class inherits a constructor from Dino::Components::BaseComponent

Instance Method Details

#after_initialize(options = {}) ⇒ Object 



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# File 'lib/dino/components/button.rb', line 7

def after_initialize(options={})
  @down_callbacks, @up_callbacks, @state = [], [], UP

  self.board.add_digital_hardware(self)
  self.board.start_read
end

#down(&callback) ⇒ Object 



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# File 'lib/dino/components/button.rb', line 14

def down(&callback)
  @down_callbacks << callback
end

#up(&callback) ⇒ Object 



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# File 'lib/dino/components/button.rb', line 18

def up(&callback)
  @up_callbacks << callback
end

#update(data) ⇒ Object 



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# File 'lib/dino/components/button.rb', line 22

def update(data)
  return if data == @state
  @state = data

  case data
    when UP
      button_up
    when DOWN
      button_down
    else
      return
  end
end