Open Web BoardでArduinoと通信する

app.js

var socket = navigator.mozTCPSocket.open('127.0.0.1', 9943);
socket.onopen = function () {
  var param = {
    // adb shell dmesgでArduinoの名前を確認する
    devicename: 'ttyACM0',
    bitrate: 9600
  };
  console.log('Opened');
  socket.send(JSON.stringify(param));
}

socket.onerror = function (evt) {
  console.log('Error:' + evt.type);
}

function send(cmd) {
    console.log('Sending ' + cmd);
    socket.send(cmd + "\r\n");
}

window.addEventListener("load", function() {
  $("#off").click(function() {
    send("1");
  })
  $("#on").click(function() {
    send("2");
  })
});

Arduino.ino

/*
*/
const int OUTPUTS = 2;
byte pin[OUTPUTS] = {13, 12};
int current;
void setup()
{
  // initialize the serial communication:
  Serial.begin(9600);
  for (int i=0; i < OUTPUTS+1; ++i) pinMode(pin[i], OUTPUT);
}

void loop()
{
  if (Serial.available() > 0) {
    current = Serial.read();
  }

  if(current == 50) {
    Serial.print(1);
    // turn on
    digitalWrite(pin[0], HIGH);
    delay(1000);

  }
  if(current == 49) {
    Serial.print(0);
    // turn off all outputs
    digitalWrite(pin[0], LOW);
    delay(1000);
  }

}