johnny-five/eg/expander-MUXSHIELD2.js

The JavaScript Robotics and Hardware Programming Framework. Use with: Arduino (all models), Electric Imp, Beagle Bone, Intel Galileo & Edison, Linino One, Pinoccio, pcDuino3, Raspberry Pi, Particle/Spark Core & Photon, Tessel 2, TI Launchpad and more!

var Barcli = require("barcli");
var five = require("../lib/johnny-five.js");
var board = new five.Board({
  // repl: false,
  // debug: false
});

board.on("ready", function() {
  /*
  var expander = new five.Expander("MUXSHIELD2");
  var p15 = new Barcli({ label: "Pin 15", range: [0, 1023] });
  var pXX = new Barcli({ label: "Pin XX", range: [0, 1023] });
  var act = new Barcli({ label: "Active", range: [0, 14] });

  expander.pinMode("IO1-15", expander.MODES.ANALOG);
  expander.analogRead("IO1-15", function(data) {
    p15.update(data);
  });

  for (var i = 0; i < 15; i++) {
    (function(pin) {
      expander.pinMode(pin, expander.MODES.ANALOG);
      expander.analogRead(pin, function(data) {
        if (pin === getActivePin()) {
          pXX.update(data);
        }
      });
    }("IO1-" + i));
  }

  var button = new five.Button(9);
  var activePin = 0;

  button.on("press", nextActivePin);

  function nextActivePin() {
    activePin++;

    if (activePin > 14) {
      activePin = 0;
    }

    act.update(activePin);
  }

  function getActivePin() {
    return "IO1-" + activePin;
  }
  */
  /*
  var expander = new five.Expander("MUXSHIELD2");

  for (var i = 0; i < 16; i++) {
    expander.pinMode("IO1-" + i, expander.MODES.OUTPUT);
    expander.pinMode("IO3-" + i, expander.MODES.OUTPUT);

    expander.digitalWrite("IO1-" + i, expander.LOW);
    expander.digitalWrite("IO3-" + i, expander.LOW);
  }

  var button = new five.Button(9);
  var startIndex = 1;
  var pinIndex = startIndex;

  button.on("press", toggleNextPin);

  function toggleNextPin() {
    if (pinIndex != startIndex) {
      expander.digitalWrite("IO1-" + pinIndex, expander.LOW);
    }
    pinIndex++;

    if (pinIndex > 15) {
      pinIndex = startIndex;
      return toggleNextPin();
    } else {
      console.log("IO1-" + pinIndex);
      expander.digitalWrite("IO1-" + pinIndex, expander.HIGH);
    }
  }
  */


  var virtual = new five.Board.Virtual(
    new five.Expander("MUXSHIELD2")
  );

  var a = new five.Sensor({
    pin: "IO1-15",
    board: virtual
  });

  a.on("data", function() {
    console.log(this.value);
  });

  var b = new five.Sensor({
    pin: "IO2-15",
    board: virtual
  });

  b.on("data", function() {
    console.log(this.value);
  });

});