/**
 * Copyright (c) 2009 Andrew Rapp. All rights reserved.
 *
 * This file is part of XBee-Arduino.
 *
 * XBee-Arduino is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * XBee-Arduino is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with XBee-Arduino.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <XBee.h>

/*
This example is for Series 2 XBee
Sends a ZB TX request with the value of analogRead(pin5) and checks the status response for success
*/

// create the XBee object
XBee xbee = XBee();

uint8_t payload[] = { 0, 0 };

// SH + SL Address of receiving XBee
XBeeAddress64 addr64 = XBeeAddress64(0x0013a200, 0x403e0f30);
ZBTxRequest zbTx = ZBTxRequest(addr64, payload, sizeof(payload));
ZBTxStatusResponse txStatus = ZBTxStatusResponse();

int pin5 = 0;

int statusLed = 13;
int errorLed = 13;

void flashLed(int pin, int times, int wait) {
    
    for (int i = 0; i < times; i++) {
      digitalWrite(pin, HIGH);
      delay(wait);
      digitalWrite(pin, LOW);
      
      if (i + 1 < times) {
        delay(wait);
      }
    }
}


void setup() {
  pinMode(statusLed, OUTPUT);
  pinMode(errorLed, OUTPUT);
  
  xbee.begin(9600);
}



void loop()
{   
    // break down 10-bit reading into two bytes and place in payload
    pin5 = analogRead(5);
    payload[0] = pin5 >> 8 & 0xff;
    payload[1] = pin5 & 0xff;
    
    xbee.send(zbTx);
  
    // flash TX indicator
    flashLed(statusLed, 1, 100);
    
    // after sending a tx request, we expect a status response
    // wait up to half second for the status response
    if (xbee.readPacket(500)) {
        // got a response!

        // should be a znet tx status            	
    	if (xbee.getResponse().getApiId() == ZB_TX_STATUS_RESPONSE) {
    	   xbee.getResponse().getZBTxStatusResponse(txStatus);
    		
    	   // get the delivery status, the fifth byte
           if (txStatus.getDeliveryStatus() == SUCCESS) {
            	// success.  time to celebrate
             	flashLed(statusLed, 5, 50);
           } else {
            	// the remote XBee did not receive our packet. is it powered on?
             	flashLed(errorLed, 3, 500);
           }
        }      
    } else {
      // local XBee did not provide a timely TX Status Response -- should not happen
      flashLed(errorLed, 2, 50);
    }
    
    delay(1000);
}
