From 1e9ca2389042c8e160ba2904cc0d5b8cd48b0ab3 Mon Sep 17 00:00:00 2001
From: thoaitrieu <shopnhoxinh@yahoo.com>
Date: Sat, 13 Jan 2018 17:00:58 +0700
Subject: [PATCH] Fix AccessControl.ino (#353)

* Fix AccessControl.ino

The function checkTwo not work with some cards with 0-index key ID equals to 0 not found in storeCard..then they add fullstack of the same card.
---
 examples/AccessControl/AccessControl.ino | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/examples/AccessControl/AccessControl.ino b/examples/AccessControl/AccessControl.ino
index 75b402e..8facd75 100644
--- a/examples/AccessControl/AccessControl.ino
+++ b/examples/AccessControl/AccessControl.ino
@@ -429,19 +429,13 @@ void deleteID( byte a[] ) {
 }
 
 ///////////////////////////////////////// Check Bytes   ///////////////////////////////////
-boolean checkTwo ( byte a[], byte b[] ) {
-  if ( a[0] != 0 )      // Make sure there is something in the array first
-    match = true;       // Assume they match at first
+boolean checkTwo ( byte a[], byte b[] ) {   
   for ( uint8_t k = 0; k < 4; k++ ) {   // Loop 4 times
-    if ( a[k] != b[k] )     // IF a != b then set match = false, one fails, all fail
-      match = false;
-  }
-  if ( match ) {      // Check to see if if match is still true
-    return true;      // Return true
-  }
-  else  {
-    return false;       // Return false
+    if ( a[k] != b[k] ) {     // IF a != b then set match = false, one fails, all fail
+       return false;
+    }
   }
+  return true;  
 }
 
 ///////////////////////////////////////// Find Slot   ///////////////////////////////////