Reading XBee API packets from Arduino

gistfile1.ino

#include <AltSoftSerial.h>

AltSoftSerial Xbee; // DOUT -> 8, DIN -> 9

void setup() {
  Serial.begin(38400);
  Xbee.begin(9600);
}

void loop() {
  if (Xbee.available() >= 14) { // Wait for whole packet
      if (Xbee.read() == 0x7E) { // Start delimiter of frame
        for (int i = 0; i < 4; i++) { Xbee.read(); }  // Skip to low byte of src addr
        int src = Xbee.read(); // source address
        for (int i = 0; i < 6; i++) { Xbee.read(); } // Skip again
        levels[src - 1] = random(300,500);
        Xbee.read();
     }
   }
   for (int i = 0; i < 16; i++) {
     Serial.print(levels[i]);
     if (i < 15) Serial.print(' ');
   }
   Serial.println();
}