From 8921e902ebb8273f9a87d8a1cbd2d11cf19a328e Mon Sep 17 00:00:00 2001
From: deadprogram <ron@hybridgroup.com>
Date: Mon, 7 Sep 2015 08:34:01 -0700
Subject: [PATCH] Add function to dynamically start devices

---
 lib/robot.js | 49 +++++++++++++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 18 deletions(-)

diff --git a/lib/robot.js b/lib/robot.js
index 20fd764..ffcf0ff 100644
--- a/lib/robot.js
+++ b/lib/robot.js
@@ -315,30 +315,43 @@ Robot.prototype.startDevices = function(callback) {
 
   log("Starting devices.");
 
-  var starters = _.map(this.devices, function(device, name) {
-    this[name] = device;
-
+  var starters = _.map(this.devices, function(device) {
     return function(cb) {
-      if (device.started === true) {
-        return cb.call(device);
-      }
-
-      var str = "Starting device '" + name + "'";
-
-      if (device.pin) {
-        str += " on pin " + device.pin;
-      }
-
-      log(str + ".");
-      device.started = true;
-
-      return device.start.call(device, cb);
-    };
+      return this.startDevice(device, cb);
+    }.bind(this);
   }, this);
 
   return _.parallel(starters, callback);
 };
 
+/**
+ * Starts a single device on Robot
+ *
+ * @param {Object} device to start
+ * @param {Function} callback function to be triggered after the device is
+ * started
+ * @return {void}
+ */
+Robot.prototype.startDevice = function(device, callback) {
+  if (device.started === true) {
+    return callback.call(device);
+  }
+
+  var log = this.log;
+  var str = "Starting device '" + device.name + "'";
+
+  if (device.pin) {
+    str += " on pin " + device.pin;
+  }
+
+  log(str + ".");
+  this[device.name] = device;
+  device.start.call(device, callback);
+  device.started = true;
+
+  return device.started;
+};
+
 /**
  * Halts the Robot, attempting to gracefully stop devices and connections.
  *