added xbee in sniffer

lab2/Sniffer/Sniffing6.ino → lab2/Sniffer/Sniffing6/Sniffing6.ino

 // by Ray Burnette 20161013 compiled on Linux 16.3 using Arduino 1.6.12
 
 #include <ESP8266WiFi.h>
+#include <SoftwareSerial.h>
 #include "./functions.h"
 
 #define disable 0
@@ -8,9 +9,12 @@
 // uint8_t channel = 1;
 unsigned int channel = 1;
 
+SoftwareSerial xbee(2, 3); // RX, TX
+
 void setup() {
   timeClient.begin();
   Serial.begin(57600);
+  xbee.begin(9600);
   Serial.printf("\n\nSDK version:%s\n\r", system_get_sdk_version());
   Serial.println(F("ESP8266 mini-sniff by Ray Burnette http://www.hackster.io/rayburne/projects"));
   Serial.println(F("Type:   /-------MAC------/-----WiFi Access Point SSID-----/  /----MAC---/"));
@@ -43,4 +47,6 @@ void loop() {
       Serial.println("\n-------------------------------------------------------------------------------------\n");
     }
   }
+  xbee.println(clients_known_count);
+  delay(100);
 }