From 285ad44b9f922de30ccc3e237c0b774cd75f9681 Mon Sep 17 00:00:00 2001
From: James Devine <devine.jd@gmail.com>
Date: Wed, 31 May 2017 19:48:42 +0200
Subject: [PATCH]

---
 RFIDtest.ino | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 RFIDtest.ino

diff --git a/RFIDtest.ino b/RFIDtest.ino
new file mode 100644
index 0000000..53c2ec8
--- /dev/null
+++ b/RFIDtest.ino
@@ -0,0 +1,101 @@
+//Based on example code from SEEED studio wiki
+//for 125kHz GROVE RFID reader
+//GPL V3
+
+/*
+  link between the computer and the SoftSerial Shield
+ at 9600 bps 8-N-1
+ Computer is connected to Hardware UART
+ SoftSerial Shield is connected to the Software UART:D2&D3
+ */
+
+#include <SoftwareSerial.h>
+
+SoftwareSerial SoftSerial(2, 3);
+unsigned char buffer[64];       // buffer array for data receive over serial port
+String intest="";                //input string
+char buffchar;
+int count = 0;                    // counter for buffer array
+int led = 13;
+
+void setup()
+{
+  SoftSerial.begin(9600);     // the SoftSerial baud rate
+  Serial.begin(9600);         // the Serial port of Arduino baud rate.
+  pinMode(led, OUTPUT);
+  digitalWrite(led, LOW);
+  
+}
+
+void loop()
+{
+  // if date is coming from software serial port ==> data is coming from SoftSerial shield
+RFIDread();
+if (intest.equals("5300C59F363F"))
+{
+  Serial.println(" match ");     // if no data transmission ends, write buffer to hardware serial port
+  Serial.println(intest);
+  digitalWrite(led, HIGH);
+  delay(500);
+  digitalWrite(led, LOW);
+  delay(500);
+  digitalWrite(led, HIGH);
+  delay(500);  
+  digitalWrite(led, LOW);
+  delay(500);
+  digitalWrite(led, HIGH);
+  delay(500);  
+  digitalWrite(led, LOW);
+  intest = "";
+}
+else if (intest.endsWith(""))
+{
+  digitalWrite(led, HIGH);
+  delay(100);
+  digitalWrite(led, LOW);
+  delay(100);
+  digitalWrite(led, HIGH);
+  delay(100);  
+  digitalWrite(led, LOW);
+  delay(100);
+  digitalWrite(led, HIGH);
+  delay(100);  
+  digitalWrite(led, LOW);
+  delay(100);
+  digitalWrite(led, HIGH);
+  delay(100);  
+  digitalWrite(led, LOW);
+  
+  Serial.println(intest);
+  intest="";
+  
+}
+    
+}
+
+void RFIDread()
+{
+    if (SoftSerial.available())              
+  {
+    while(SoftSerial.available())               // reading data into char array
+    {
+      buffchar = SoftSerial.read();      // writing data into array
+      //Serial.println(int(buffchar));
+      intest += buffchar;
+      if (int(buffchar)= 3)break;
+      //count++;
+//      if(buffchar=' ')break;
+
+    }
+}
+}
+
+void clearBufferArray()                 // function to clear buffer array
+{
+  // clear all index of array with command NULL
+  for (int i=0; i<count; i++)
+  {
+    buffer[i]=NULL;
+  } 
+intest = "";  
+}