opportunistic-xbee/libraries/XBee/examples/Series2_Rx/Series2_Rx.pde

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2018-12-02 20:42:34 +00:00
/**
* 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 <NewSoftSerial.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());
}
}