Class: GPIO::InputPin

Inherits:
Pin
  • Object
show all
Defined in:
lib/gpio/pins/input_pin.rb

Instance Attribute Summary collapse

Attributes inherited from Pin

#device, #file, #hardware_pin, #mode, #pin, #software_pin

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ InputPin

(pin, mode, device=:RaspberryPi)



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# File 'lib/gpio/pins/input_pin.rb', line 4

def initialize(params) #(pin, mode, device=:RaspberryPi)
	params.merge!(:mode => :in)
	super(params)
end

Instance Attribute Details

#last_reading ⇒ Object (readonly)

Returns the value of attribute last_reading.



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# File 'lib/gpio/pins/input_pin.rb', line 3

def last_reading
  @last_reading
end

#reading ⇒ Object (readonly)

Returns the value of attribute reading.



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# File 'lib/gpio/pins/input_pin.rb', line 3

def reading
  @reading
end

Instance Method Details

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gpio/pins/input_pin.rb', line 9

def changed?
	@last_reading != @reading
end

#read ⇒ Object 



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# File 'lib/gpio/pins/input_pin.rb', line 12

def read
	@last_reading = @reading
	@reading = super
end