gistfile1.txt

const electron = require('electron')
const app = electron.app
const BrowserWindow = electron.BrowserWindow

const path = require('path')
const url = require('url')

const Ant = require('aai-ant-plus');

var fs = require('fs');

var csvWriter = require('csv-write-stream')
var writer = csvWriter()
writer.pipe(fs.createWriteStream('power.csv'))

const stick = new Ant.GarminStick3;

const cadenceSensor = new Ant.CadenceSensor(stick);
const powerSensor = new Ant.BicyclePowerSensor(stick);

var ticks = 0;

var chunk = {
  power: 0,
  cadence: 0
};

let mainWindow

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 1920,
    height: 1080
  })

  console.log('created window');
  cadenceSensor.on('cadenceData', data => {
    chunk.cadence = data.CalculatedCadence;
    console.log(data);
  });
  powerSensor.on('powerData', data => {
    chunk.power = data.Power;
    console.log(data);
  });

  // STARTUP
  stick.on('startup', function() {
    powerSensor.attach(0, 0)
    setTimeout(() => {
      cadenceSensor.attach(1, 0);
    }, 2000)
    setInterval(tick, 1000);
  });

  function tick() {
    ticks++;
    var toSave = {
      seconds: ticks,
      power: chunk.power
    };
    console.log(chunk);
    writer.write(toSave);
  }

  // ERRORS
  if (!stick.open()) {
    console.log('Stick not found!');
  }

  // and load the index.html of the app.
  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, 'index.html'),
    protocol: 'file:',
    slashes: true
  }))

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()

  // Emitted when the window is closed.
  mainWindow.on('closed', function() {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null
  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

// Quit when all windows are closed.
app.on('window-all-closed', function() {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app.on('activate', function() {
  // On OS X it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.