Update arduino code

arduino_maze/arduino_maze.ino

@@ -1,9 +1,46 @@
-void setup() {
-  // put your setup code here, to run once:
+#include <SoftwareSerial.h>
 
+// TX/RX
+SoftwareSerial Bluetooth(11, 10);
+
+void setup() {
+  Serial.begin(38400);
+  Serial.println("Serial Started");
+  Bluetooth.begin(38400);
+  Serial.println("Send 's' to sniff packets, 'h' to halt packets:");
+  delay(2000);
+  
 }
 
+unsigned long pack = 0;
+
 void loop() {
-  // put your main code here, to run repeatedly:
+  // Read from HC-05 and send data to the Arduino Serial Monitor
+  if (Bluetooth.available()) {
+    Serial.write(Bluetooth.read());
+  }
 
+  // Read from Arduino Serial Monitor and send it to the HC-05
+  if (Serial.available()) {
+    char com = Serial.read();
+    Serial.write(com);
+    if (com == 's') {
+      Serial.println();
+      PrintBits32(pack);
+    }
+    Bluetooth.write(com);
+  }
+}
+
+void PrintBits32(unsigned long u) {
+  char str[34];
+  str[32] = '\n';
+  str[33] = 0;
+  for (int i = 31; i >= 0; i--)
+  {
+    str[i] = '0' + (u & 1);
+    u >>= 1;
+  }
+
+  Serial.print(str);
 }