From 911288e695bed752a01fb7831fc8d753921e01f6 Mon Sep 17 00:00:00 2001
From: dceejay <conway@uk.ibm.com>
Date: Wed, 13 May 2015 22:26:01 +0100
Subject: [PATCH] Arduino node - improved logging and port error handling.

---
 nodes/core/hardware/35-arduino.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/nodes/core/hardware/35-arduino.js b/nodes/core/hardware/35-arduino.js
index 409c11d02..729fe9e7e 100644
--- a/nodes/core/hardware/35-arduino.js
+++ b/nodes/core/hardware/35-arduino.js
@@ -28,15 +28,23 @@ module.exports = function(RED) {
         var node = this;
         node.board = new ArduinoFirmata();
         ArduinoFirmata.list(function (err, ports) {
-            if (ports.indexOf(node.device) === -1) {
+            if (!node.device) {
+                node.log("connecting to first board found.");
                 node.board.connect();
-                node.log("connecting to first device found.");
             }
             else {
-                node.board.connect(node.device);
+                if (ports.indexOf(node.device) === -1) {
+                    node.warn(node.device + " not found. Trying to find board.");
+                    node.board.connect();
+                }
+                else {
+                    node.log("connecting to "+node.device);
+                    node.board.connect(node.device);
+                }
             }
 
             node.board.on('boardReady', function() {
+                node.log("connected to "+node.board.serialport_name);
                 if (RED.settings.verbose) { node.log("version "+node.board.boardVersion); }
             });
         });