cylon.js sweeping servo

servo.js

/**
 * Test script for testing a full sweep of a servo. This is to get the minimum and the maximum degree of the angle.
 */

Cylon.robot({
  name: 'Servo1',
  
  connections: {
    arduino: { adaptor: 'firmata', port: '/dev/ttyACM0' } // hard-coded serial port address
  },

  devices: {
    servo: { 
      driver: 'servo', 
      pin: 9 // hard coded pin
    }
  },
  
  work: function(my) {
    var angle = 0;
    var increment = 10;

    console.log("safe angle given 0", my.servo.safeAngle(0));
    console.log("safe angle given 180", my.servo.safeAngle(180));
    console.log("Starting at angle", angle);
    my.servo.angle(angle);

    every((1).second(), function() {

      angle += increment;

      my.servo.angle(angle);
      console.log("Current angle", my.servo.currentAngle());
      // flip the increment
      if ((angle === 0) || (angle === 180 )) {
        increment = -increment;
      }      
    });
  }
}.start());