Class: RubyPins::Pin

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Pin

Returns a new instance of Pin.



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# File 'lib/ruby_pins.rb', line 8

def initialize args
  args.each {|k, v| self.send "#{k}=", v}
  self.state= :off unless self.state
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ruby_pins.rb', line 6

def name
  @name
end

#pin ⇒ Object

Returns the value of attribute pin.



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# File 'lib/ruby_pins.rb', line 6

def pin
  @pin
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/ruby_pins.rb', line 6

def state
  @state
end

Instance Method Details

#export ⇒ Object 



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# File 'lib/ruby_pins.rb', line 50

def export
  `echo #{self.pin} > /sys/class/gpio/export`
end

#off ⇒ Object 



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# File 'lib/ruby_pins.rb', line 29

def off
  @state = :off
  unexport
end

#on ⇒ Object 



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# File 'lib/ruby_pins.rb', line 22

def on
  @state = :on
  export
  set_out
  turn_on
end

#send_in ⇒ Object 



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# File 'lib/ruby_pins.rb', line 38

def send_in
  set_direction 'in'
end

#set_direction(dir) ⇒ Object 



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# File 'lib/ruby_pins.rb', line 42

def set_direction dir
  `echo #{dir} > /sys/class/gpio/gpio#{self.pin}/direction`
end

#set_out ⇒ Object 



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# File 'lib/ruby_pins.rb', line 34

def set_out
  set_direction 'out'
end

#set_value(val) ⇒ Object 



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# File 'lib/ruby_pins.rb', line 46

def set_value val
  `echo #{val} > /sys/class/gpio/gpio#{self.pin}/value`
end

#unexport ⇒ Object 



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# File 'lib/ruby_pins.rb', line 54

def unexport
  `echo #{self.pin} > /sys/class/gpio/unexport`
end