Local Autonomy Networks / Autonets - Xbee Code Examples

xbee_button.ino

#include <softwareserial.h>
int localLedPin = 13;	// on board LED is connected to digital pin 13
int ledPin = 9;	        // LED is connected to digital pin 9
int switchPin = 10;	// switch connected to digital pin 10
int switchValue;	// a variable to keep track of when switch is pressed
int sentNo;
// create a software serial port for the XBee
//rx, tx
SoftwareSerial mySerial(5, 6); 
void setup()	 
{	 
pinMode(ledPin, OUTPUT);	// sets the ledPin to be an output
pinMode(localLedPin, OUTPUT);	// sets the ledPin to be an output
pinMode(switchPin, INPUT);	// sets the switchPin to be an input
digitalWrite(switchPin, HIGH);	// sets the default (unpressed) state of switchPin to HIGH
mySerial.begin(9600);
sentNo = 0;
}	 
void loop()	// run over and over again
{	 
String text;
unsigned long startTime = millis();
// remove anything weird from the buffer
mySerial.flush();
switchValue = digitalRead(switchPin);	// check to see if the switch is pressed
// check xbee to see if the switch is pressed
// parse the incoming characters into a local String variable
char newChar;
int timeout = 4000;
while (millis()-startTime < timeout) {
if (mySerial.available()) {
newChar = (char)mySerial.read();
if (newChar == '\r' || newChar == '\n') {
break;
}
else {
text.concat(newChar);
}
}
}
if(text == "Y"){ 
digitalWrite(ledPin, HIGH);	// turn the LED on
} 
else {
digitalWrite(ledPin, LOW);	// turn the LED off
}	
if (switchValue == LOW) {	// if the switch is pressed then,
mySerial.write("Y\n");
digitalWrite(localLedPin, HIGH);	// turn the local LED on
//sentNo = 0;
}	  
else {	// otherwise,
//if(sentNo == 0){              
mySerial.write("N\n");
// sentNo = 1;
digitalWrite(localLedPin, LOW);	// turn the local LED off
// }
}	  
}	 

Series2_Rx.ino

/**
* 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>
#include <softwareserial.h>
/*
This example is for Series 2 XBee
Receives a ZB RX packet and sets a PWM value based on packet data.
Error led is flashed if an unexpected packet is received
*/
XBee xbee = XBee();
XBeeResponse response = XBeeResponse();
// create reusable response objects for responses we expect to handle 
ZBRxResponse rx = ZBRxResponse();
ModemStatusResponse msr = ModemStatusResponse();
int statusLed = 13;
int errorLed = 13;
int dataLed = 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);
pinMode(dataLed,  OUTPUT);
// start serial
xbee.begin(9600);
flashLed(statusLed, 3, 50);
}
// continuously reads packets, looking for ZB Receive or Modem Status
void loop() {
xbee.readPacket();
if (xbee.getResponse().isAvailable()) {
// got something
if (xbee.getResponse().getApiId() == ZB_RX_RESPONSE) {
// got a zb rx packet
// now fill our zb rx class
xbee.getResponse().getZBRxResponse(rx);
if (rx.getOption() == ZB_PACKET_ACKNOWLEDGED) {
// the sender got an ACK
flashLed(statusLed, 10, 10);
} else {
// we got it (obviously) but sender didn't get an ACK
flashLed(errorLed, 2, 20);
}
// set dataLed PWM to value of the first byte in the data
analogWrite(dataLed, rx.getData(0));
} else if (xbee.getResponse().getApiId() == MODEM_STATUS_RESPONSE) {
xbee.getResponse().getModemStatusResponse(msr);
// the local XBee sends this response on certain events, like association/dissociation
if (msr.getStatus() == ASSOCIATED) {
// yay this is great.  flash led
flashLed(statusLed, 10, 10);
} else if (msr.getStatus() == DISASSOCIATED) {
// this is awful.. flash led to show our discontent
flashLed(errorLed, 10, 10);
} else {
// another status
flashLed(statusLed, 5, 10);
}
} else {
// not something we were expecting
flashLed(errorLed, 1, 25);    
}
} else if (xbee.getResponse().isError()) {
//nss.print("Error reading packet.  Error code: ");  
//nss.println(xbee.getResponse().getErrorCode());
}
}