gpio.rb in ffi-wiring_pi-0.1.3

- old
+ new

@@ -47,11 +47,11 @@
   # @param pin [Integer] pin position (depends on setup mode)
   # @param mode [Integer] `FFI::WiringPi::GPIO::INPUT`, `FFI::WiringPi::GPIO::OUTPUT`,
   #   `FFI::WiringPi::GPIO::PWM_OUTPUT` or `FFI::WiringPi::GPIO::GPIO_CLOCK`
   attach_function :set_pin_mode, :pinMode, [:int, :int], :void
 
-  def get(pin, mode = FFI::WiringPi::GPIO::OUTPUT)
+  def self.get(pin, mode = FFI::WiringPi::GPIO::OUTPUT)
     set_pin_mode(pin, mode)
     Pin.new(pin, mode)
   end
 
   # @param pin [Integer] pin position (depends on setup mode)
@@ -61,27 +61,27 @@
   # Write pin state (aka digital_write)
   #
   # @param pin [Integer] pin position (depends on setup mode)
   # @param state [Boolean] `true` to set to HIGH, `false` to set to LOW
   #
-  def write(pin, state)
+  def self.write(pin, state)
     digital_write(state ? HIGH : LOW)
   end
 
   # Sets pin to HIGH state
   #
   # @param pin [Integer] pin position (depends on setup mode)
   #
-  def up(pin)
+  def self.up(pin)
     write(pin, true)
   end
 
   # Sets pin to LOW state
   #
   # @param pin [Integer] pin position (depends on setup mode)
   #
-  def down(pin)
+  def self.down(pin)
     write(pin, false)
   end
 
   # @param pin [Integer] pin position (depends on setup mode)
   #
@@ -91,10 +91,10 @@
   # Read pin state (aka digital_read)
   #
   # @param pin [Integer] pin position (depends on setup mode)
   # @returns [Boolean] `true` if pin is in high state, `false` if in low
   #
-  def read(pin)
+  def self.read(pin)
     result = digital_read(pin)
     case result
     when LOW
       false
     when HIGH