From b25b18c222c69fc8518a47ea0d9aa84b38cc0522 Mon Sep 17 00:00:00 2001
From: Todd Treece <toddtreece@gmail.com>
Date: Tue, 18 Aug 2015 09:16:09 -0400
Subject: [PATCH] cache com port name

---
 lib/websocket_controller.js | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/lib/websocket_controller.js b/lib/websocket_controller.js
index 9a08521..035f720 100644
--- a/lib/websocket_controller.js
+++ b/lib/websocket_controller.js
@@ -112,16 +112,24 @@ var WebsocketController = function(sockets, version) {
     machine.requestSettings();
   };
 
+  var comName = '';
+
   var onGetPorts = function(cb) {
     sp_controller.listPorts(function (ports) {
 
       sockets.emit('ports', ports);
 
-      if( !cb)
+      if(! cb)
         return;
 
       ports.forEach(function(p) {
-        if(/Arduino/gi.test(p.manufacturer)) cb(p.comName);
+
+        if(! /Arduino/gi.test(p.manufacturer))
+          return;
+
+        comName = p.comName;
+        cb(p.comName);
+
       });
 
     });
@@ -196,10 +204,15 @@ var WebsocketController = function(sockets, version) {
       return;
     }
 
-    onGetPorts(function(cn) {
+    var init_ports = function(cn) {
       logger.log("trying to init port: " + cn);
       sp_controller.initPortWithConfigs(cn, config);
-    });
+    };
+
+    if(! comName)
+      return onGetPorts(init_ports);
+
+    init_ports(comName);
 
   };