// import the processing serial library
                     
                     

                      import 
                      processing.serial.*
                      ;
                     
                     

                      // and declare an object for our serial port
                     
                     

                      Serial 
                      port
                      ;
                     
                     

                       
                     
                     

                      void 
                      setup
                      () 
                      {
                     
                     
 
                      // Get the name of the first serial port
                     
                     
 
                      // where we assume the Arduino is connected
                     
                     
 
                      String 
                      portName 
                      = 
                      Serial
                      .
                      list
                      ()[
                      0
                      ];
                     
                     
 
                      // initialize our serial object with this port
                     
                     
 
                      // and the baud rate of 9600
                     
                     
 
                      port 
                      = 
                      new 
                      Serial
                      (
                      this
                      , 
                      portName
                      , 
                      9600
                      );
                     
                     

                      }
                     
                     

                       
                     
                     

                      void 
                      draw
                      () 
                      { 
                     
                     
 
                      int 
                      value1 
                      = 
                      123
                      ;
                     
                     
 
                      int 
                      value2 
                      = 
                      17
                      ;
                     
                     
 
                     
                     
 
                      // load up all the values into a byte array
                     
                     
 
                      // then send the full byte array out over serial
                     
                     
 
                      // NOTE: This only works for values from 0-255 
                     
                     
 
                      byte 
                      out
                      [] 
                      = 
                      new 
                      byte
                      [
                      2
                      ];
                     
                     
 
                      out
                      [
                      0
                      ] 
                      = 
                      byte
                      (
                      value1
                      );
                     
                     
 
                      out
                      [
                      1
                      ] 
                      = 
                      byte
                      (
                      value2
                      );
                     
                     
 
                      port
                      .
                      write
                      (
                      out
                      );
                     
                     

                      }