From d69fcea21254d3ffc8538662df3f2fabde71bd87 Mon Sep 17 00:00:00 2001
From: Stefan Sterz <hi@sterzy.com>
Date: Fri, 29 Jan 2016 21:33:07 +0100
Subject: [PATCH] add some helpers

---
 nodejs/ar-com/arduino.js | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/nodejs/ar-com/arduino.js b/nodejs/ar-com/arduino.js
index 15c624d..2dfdbd5 100644
--- a/nodejs/ar-com/arduino.js
+++ b/nodejs/ar-com/arduino.js
@@ -67,4 +67,32 @@ Arduino.prototype.processWriteBuffer = function () {
   }
 }
 
+// Helpers
+
+Arduino.prototype.valueToLastFour = function(val) {
+  var encodedVal; 
+
+  for (var i = 3; i < 0; i--) {
+    
+    encodedVal += String.fromCharCode(val/(Math.pow(2,8*i)));
+    val = val%Math.pow(2,8*i);
+
+  }
+
+  return encodedVal;
+};
+
+Arduino.prototype.valueToFirstTwo = function(val) {
+  var encodedVal; 
+
+  for (var i = 1; i < 0; i--) {
+    
+    encodedVal += String.fromCharCode(val/(Math.pow(2,8*i)));
+    val = val%Math.pow(2,8*i);
+
+  }
+
+  return encodedVal;
+};
+
 module.exports = Arduino;