johnny-five-electron/eg/navigator-joystick.js

Temporary fork to support Electron (to be deprecated)

var five = require("../lib/johnny-five.js"),
  when = require("when"),
  boards, readyList, joystick, led, servo;

boards = {};
readyList = [];

["navigator", "controller"].forEach(function(name) {
  var deferred = when.defer();

  readyList.push(deferred.promise);

  (
    boards[name] = new five.Board({
      id: name
    })
  ).on("ready", function() {

    deferred.resolve(this);
  });
});

when.all(readyList, function() {
  // console.log( "resolved" );
  var last, dirs, turn;

  joystick = new five.Joystick({
    board: boards.controller,
    pins: ["A0", "A1"],
    freq: 100
  });

  led = new five.Led({
    board: boards.navigator,
    pin: 13
  });

  servo = new five.Servo({
    board: boards.navigator,
    pin: 12,
    range: [10, 170]
  });

  last = 1;
  dirs = ["left", undefined, "right"];
  turn = ["max", "center", "min"];

  servo.center();

  joystick.on("axismove", function() {
    // 0: left, 1: center, 2: right
    var position = Math.ceil(2 * this.fixed.x);

    // console.log( position );

    // If the joystick has actually moved and it's
    // not in the center...
    if (last !== position) {
      last = position;

      if (position !== 1) {
        console.log(dirs[position]);
      }


      servo[turn[position]]();
    }
  });
});