Diff: main.cpp

Revision:

0:47380c5f575d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 08 22:43:22 2014 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+#include "hmac_md5.h"
+#include <stdio.h>
+#include <string.h>
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+
+DigitalIn pb(p20);
+Serial rf(p9,p10);
+
+
+int main() {
+    pb.mode(PullUp);
+    // Delay for initial pullup to take effect
+    wait(.01);
+    
+    rf.baud(1200);
+    int old_pb=0;
+    int new_pb;
+    
+    /*const char * key = "Dhruvin";
+    const char * text = "open";
+    char output[26];
+    char output2[3];
+    */
+    
+    int i = 0;
+    /*HMAC_MD5(key, text, output);
+    output2[0] = output[0];
+    output2[1] = output[1];
+    output2[2] = output[2];
+    */
+    char key[4] = "Dhr";
+    for (i = 0; i < 4; i++) {
+        key[i] = (key[i] + 5); 
+    }
+    while (1) {
+        new_pb = pb;
+        if( (new_pb==0) && (old_pb==1) ) {
+            //Send out the real data whenever the button is pressed
+            rf.putc(key[0]);
+            rf.putc(key[1]);
+            rf.putc(key[2]);
+            
+            //HMAC_MD5(output2, text, output2);
+            for (i = 0; i < 4; i++) {
+                key[i] = (key[i] + 5); 
+            }
+            
+        }
+         
+        else {
+            //RF Transmit Code
+            myled1 = 0;
+            //Send 10101010 pattern when idle to keep receivers AGC gain locked to transmitters signal
+            //When receiver loses the signal lock (Around 10-30MS with no data change seen) it starts sending out noise
+            rf.putc(0xAA);
+            myled1 = 0;
+            
+        }
+        old_pb = new_pb; 
+        
+    }
+}