From a475b67a194b80f61058d6b8ae9378e2cc9211f2 Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@uk.ibm.com>
Date: Thu, 11 Apr 2019 16:35:02 +0100
Subject: [PATCH] reduce Arduino error messages on failed connect

---
 hardware/Arduino/35-arduino.js | 7 ++++++-
 hardware/Arduino/package.json  | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/hardware/Arduino/35-arduino.js b/hardware/Arduino/35-arduino.js
index e036f899..ec0d1096 100644
--- a/hardware/Arduino/35-arduino.js
+++ b/hardware/Arduino/35-arduino.js
@@ -11,14 +11,19 @@ module.exports = function(RED) {
         this.device = n.device || null;
         var node = this;
         var running = false;
+        var reported = false;
 
         var startup = function() {
             node.board = new Board(node.device, function(e) {
                 if ((e !== undefined) && (e.toString().indexOf("cannot open") !== -1) ) {
-                    node.error(RED._("arduino.errors.portnotfound",{device:node.device}));
+                    if (!reported) {
+                        node.error(RED._("arduino.errors.portnotfound",{device:node.device}));
+                        reported = true;
+                    }
                 }
                 else if (e === undefined) {
                     running = true;
+                    reported = false;
                     node.board.once('ready', function() {
                         node.log(RED._("arduino.status.connected",{device:node.board.sp.path}));
                         if (RED.settings.verbose) {
diff --git a/hardware/Arduino/package.json b/hardware/Arduino/package.json
index aec979c2..e75017ac 100644
--- a/hardware/Arduino/package.json
+++ b/hardware/Arduino/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-arduino",
-    "version"       : "0.2.0",
+    "version"       : "0.2.1",
     "description"   : "A Node-RED node to talk to an Arduino running firmata",
     "dependencies"  : {
         "firmata"   : "^2.0.0"