lib/frankenpins/pin.rb in frankenpins-0.2.1 vs lib/frankenpins/pin.rb in frankenpins-0.3.0

@@ -12,11 +12,11 @@
     INPUT = 0
     PUD_OFF = 0
     PUD_DOWN = 1
     PUD_UP = 2
 
-    attr_reader :pin, :last_value, :value, :direction, :invert
+    attr_reader :io, :pin, :wiring_pin, :last_value, :value, :direction, :invert
 
     def wiring_to_gpio(pin)
       @io.wpi_pin_to_gpio(pin)
     end
 
@@ -105,9 +105,14 @@
     # In short, you must call this method if you are curious about the current state of the pin.
     def read
       @last_value = @value
       val = File.read(value_file).to_i
       @value = invert ? (val ^ 1) : val
+    end
+
+    def write(value)
+      value = value ? "1" : "0"
+      File.open(value_file, 'w') {|f| f.write(value) } if direction == :out
     end
 
     private
     def value_file
       "/sys/class/gpio/gpio#{pin}/value"