start the robots in parallel

lib/cylon.js

@@ -75,16 +75,18 @@ Cylon.api = function api() {
 //
 // Returns nothing
 Cylon.start = function start() {
+  var starters = [];
   for (var bot in this.robots) {
-    this.robots[bot].start();
-  }
-  var mode = Utils.fetch(Config, 'workMode', 'async');
-  if (mode === 'sync') {
-    console.log('sync');
-    for (var bot in this.robots) {
-      this.robots[bot].startWork();
-    }
+    starters.push(this.robots[bot].start);
   }
+  Async.parallel(starters, function(err, results) {
+    var mode = Utils.fetch(Config, 'workMode', 'async');
+    if (mode === 'sync') {
+      for (var bot in this.robots) {
+        this.robots[bot].startWork();
+      }
+     }
+  }.bind(this));
 };
 
 // Public: Sets the internal configuration, based on passed options

lib/robot.js

@@ -235,7 +235,7 @@ Robot.prototype.initDevices = function(devices) {
 // Starts the connections, devices, and work.
 //
 // Returns the result of the work
-Robot.prototype.start = function() {
+Robot.prototype.start = function(callback) {
   if (this.running) {
     return this;
   }
@@ -251,7 +251,7 @@ Robot.prototype.start = function() {
       }
       callback(null, true);
     }.bind(this)
-  ], function(err) {
+  ], function(err, results) {
     if (!!err) {
       Logger.fatal("An error occured while trying to start the robot:");
       Logger.fatal(err);
@@ -260,6 +260,9 @@ Robot.prototype.start = function() {
       }
       this.emit('error', err);
     }
+    if (typeof(callback) === 'function') {
+      callback(err, results);
+    }
   }.bind(this));
 
   return this;
@@ -276,8 +279,6 @@ Robot.prototype.startWork = function() {
   this.emit('ready', this);
   this.work.call(this, this);
   this.running = true;
-
-  //callback(null, true);
 };
 
 // Public: Starts the Robot's connections and triggers a callback