Class: EventMachine::Gpio::Adapter

Inherits:
Object
  • Object
show all
Defined in:
lib/em-gpio/adapter.rb

Constant Summary collapse

BASE_PATH = 
"/sys/class/gpio/"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pin) ⇒ Adapter

Returns a new instance of Adapter.



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# File 'lib/em-gpio/adapter.rb', line 9

def initialize(pin)
  @pin = pin
end

Instance Attribute Details

#pin ⇒ Object

Returns the value of attribute pin.



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# File 'lib/em-gpio/adapter.rb', line 5

def pin
  @pin
end

Instance Method Details

#export! ⇒ Object 



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# File 'lib/em-gpio/adapter.rb', line 25

def export!
  File.open(BASE_PATH + "export", "w"){|f| f.write(pin)}
end

#read ⇒ Object 



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# File 'lib/em-gpio/adapter.rb', line 13

def read
  File.read(BASE_PATH + "gpio#{pin}/value").to_i
end

#set_mode(direction) ⇒ Object 



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# File 'lib/em-gpio/adapter.rb', line 21

def set_mode(direction)
  File.open(BASE_PATH + "gpio#{pin}/direction", "w"){|f| f.write(direction)}
end

#write(value) ⇒ Object 



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# File 'lib/em-gpio/adapter.rb', line 17

def write(value)
  File.open(BASE_PATH + "gpio#{pin}/value", "w"){|f| f.write(value)}
end