Clone the dronestream repo (https://github.com/bkw/node-dronestream) and replace the code inside example/express/app.js

Nodecopter-2013-10-04

var express = require('express')
  , routes = require('./routes')
  , app = express()
  , path = require('path')
  , server = require("http").createServer(app)
  ;


app.configure(function () {
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade', { pretty: true });
    app.use(express.favicon());
    app.use(express.logger('dev'));
    app.use(app.router);
    app.use(express.static(path.join(__dirname, 'public')));
});

app.configure('development', function () {
    app.use(express.errorHandler());
    app.locals.pretty = true;
});

app.get('/', routes.index);

/*
 * Important:
 *
 * pass in the server object to listen, not the express app
 * call 'listen' on the server, not the express app
 */
// should be require("dronestream").listen(server);
require("../../index").listen(server);


var arDrone = require('ar-drone');
var client  = arDrone.createClient();

var flying = false;


var stdin = process.stdin;

// without this, we would only get streams once enter is pressed
stdin.setRawMode( true );

// resume stdin in the parent process (node app won't quit all by itself
// unless an error or process.exit() happens)
stdin.resume();

// i don't want binary, do you?
stdin.setEncoding( 'utf8' );


setInterval(function() {
  if (new Date().getTime() - last_press_time > 100 && !doing) {
    pressing = false;
    client.stop();
  }
}, 50);
  
var doing = false;
var pressing = false; 
var last_press_time = new Date().getTime();
// on any data into stdin
stdin.on( 'data', function( key ){
  
  last_press_time = new Date().getTime();
  pressing = true;
  // ctrl-c ( end of text )
  if ( key === '\u0003' ) {
    k();
  }
  else if ( key === 't') {
    if (!flying) {
      console.log("**takeoff**");
      client.takeoff();
      flying = true;
    }
  }
  else if ( key === 'w') {
    client.front(0.5);
  }
  else if ( key === 's') {
    client.back(0.5);
  }
  else if ( key === 'a') {
    client.left(0.5);
  }
  else if ( key === 'd') {
    client.right(0.5);
  }
  else if ( key === 'q') {
    client.counterClockwise(0.5);
  }
  else if ( key === 'e') {
    client.clockwise(0.5);
  }
  else if ( key === 'o') {
    client.up(0.5);
  }
  else if ( key === 'p') {
    client.down(0.5);
  }
  else if ( key === 'j') {
    
    doing = true;
    // mission parameters
    var wide = 0.25;
    var speed = .13;
    var cycles = 1;
     
    console.log ("Wide:", wide);
    console.log ("Speed:", speed);
    console.log ("Cycles:", cycles);
     
    // flight control parameters
     
    var igniTime = 450 / speed;
    var rotationSpeed = speed / wide;
    var flightTime = cycles * wide * 4600 / speed;
     
    console.log ("igniTime:", igniTime);
    console.log ("rotationSpeed:", rotationSpeed);
    console.log ("flightTime:", flightTime);
          
    client
    .after(100, function() {
      this.left(speed);
    })
    .after(igniTime, function() {
      this.clockwise(rotationSpeed);
    })
    .after(flightTime, function() {
      this.stop();
      this.land(function () {
        doing = false;
      });
    });
    
  }
  
  // write the key to stdout all normal like
  //process.stdout.write( key );
});

// Land on ctrl-c
var exiting = false;
var k = function() {
    if (exiting) {
        process.exit(0);
    } else {
        console.log('Got SIGINT. Landing, press Control-C again to force exit.');
        exiting = true;
        client.stop();
        client.land(function() {
          exiting = false;
          flying = false;
          //process.exit(0);
        });
    }
}

server.listen(3000);