From 019a4ff3973dd136b1790f76086603a36321a52b Mon Sep 17 00:00:00 2001
From: Dave C-J <dave@conway-jones.co.uk>
Date: Mon, 23 Sep 2013 08:28:40 +0100
Subject: [PATCH] Patch for serial node - if no delimiter selected then it was
 holding onto the last character in the buffer.

---
 nodes/io/25-serial.js | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/nodes/io/25-serial.js b/nodes/io/25-serial.js
index 1d61758fb..163975fdf 100644
--- a/nodes/io/25-serial.js
+++ b/nodes/io/25-serial.js
@@ -123,10 +123,18 @@ var serialPool = function() {
                     }
                     newline = newline.replace("\\n","\n").replace("\\r","\r");
                     var setupSerial = function() {
-                        obj.serial = new serialp.SerialPort(port,{
-                                baudrate: baud,
-                                parser: serialp.parsers.readline(newline)
-                        });
+						if (newline == "") {
+							obj.serial = new serialp.SerialPort(port,{
+									baudrate: baud,
+									parser: serialp.parsers.raw
+							});
+						}
+                        else {
+							obj.serial = new serialp.SerialPort(port,{
+									baudrate: baud,
+									parser: serialp.parsers.readline(newline)
+							});
+						}
                         obj.serial.on('error', function(err) {
                                 util.log("[serial] serial port "+port+" error "+err);
                                 obj.tout = setTimeout(function() {
@@ -147,7 +155,15 @@ var serialPool = function() {
                                 obj._emitter.emit('ready');
                         });
                         obj.serial.on('data',function(d) {
+							if (typeof d !== "string") {
+								d = d.toString();
+								for (i=0; i<d.length; i++) {
+									obj._emitter.emit('data',d.charAt(i));
+								}
+							}
+							else {
                                 obj._emitter.emit('data',d);
+							}
                         });
                     }
                     setupSerial();