lib/wifly/calculations.rb in wifly-0.0.5 vs lib/wifly/calculations.rb in wifly-1.0.0

@@ -3,12 +3,12 @@
     ##
     # Parse the hexadecimal string returned from the show_io command
     # into an array of pins that are high 
     #
     def parse_io(hex_str)
-                      #"8d08"   36104   "1000110100001000"   make it 16 bits
-      binary_string = hex_str   .hex     .to_s(2)             .rjust(hex_str.size*4, '0')
-      binary_string.reverse.split("").each_with_index.map do |value, pin|
+      # use sprintf to pad with 0's to 16 bits
+      binary_string = "%016b"  % hex_str.hex.to_i
+      binary_string.reverse.chars.each_with_index.map do |value, pin|
         pin if value == "1"
       end.compact
     end
 
     ## 
\ No newline at end of file