100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
#include <RFM69.h>
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#include <SPI.h>
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#define NODEID 1
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#define NETWORKID 100
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#define FREQUENCY RF69_915MHZ //Match this with the version of your Moteino! (others: RF12_433MHZ, RF12_915MHZ)
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#define KEY "thisIsEncryptKey"
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#define LED 9
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#define SERIAL_BAUD 115200
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#define ACK_TIME 10 // # of ms to wait for an ack
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RFM69 radio;
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bool promiscuousMode = false; //set to 'true' to sniff all packets on the same network
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void setup() {
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Serial.begin(SERIAL_BAUD);
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radio.initialize(FREQUENCY,NODEID,NETWORKID);
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radio.encrypt(KEY);
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radio.promiscuous(promiscuousMode);
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char buff[50];
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sprintf(buff, "\nListening at %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
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Serial.println(buff);
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}
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byte ackCount=0;
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void loop() {
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//process any serial input
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if (Serial.available() > 0)
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{
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char input = Serial.read();
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if (input == 'd') //d=dump all register values
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radio.readAllRegs();
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if (input == 'E') //E=enable encryption
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radio.encrypt(KEY);
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if (input == 'e') //e=disable encryption
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radio.encrypt(null);
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if (input == 'p')
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{
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promiscuousMode = !promiscuousMode;
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radio.promiscuous(promiscuousMode);
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Serial.print("Promiscuous mode ");Serial.println(promiscuousMode ? "on" : "off");
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}
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}
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if (radio.receiveDone())
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{
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Serial.print('[');Serial.print(radio.SENDERID, DEC);Serial.print("] ");
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if (promiscuousMode)
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{
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Serial.print("to [");Serial.print(radio.TARGETID, DEC);Serial.print("] ");
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}
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for (byte i = 0; i < radio.DATALEN; i++)
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Serial.print((char)radio.DATA[i]);
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Serial.print(" [RX_RSSI:");Serial.print(radio.readRSSI());Serial.print("]");
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if (radio.ACK_REQUESTED)
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{
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byte theNodeID = radio.SENDERID;
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radio.sendACK();
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Serial.print(" - ACK sent.");
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// When a node requests an ACK, respond to the ACK
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// and also send a packet requesting an ACK (every 3rd one only)
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// This way both TX/RX NODE functions are tested on 1 end at the GATEWAY
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/*
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if (ackCount++%3)
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{
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Serial.print(" Sending packet to node ");
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Serial.print(theNodeID);
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delay(5);
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radio.send(theNodeID, "ACK TEST", 8, true);
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Serial.print(" - waiting for ACK...");
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if (waitForAck(theNodeID)) Serial.print("ok!");
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else Serial.print("nothing...");
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}
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*/
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}
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Serial.println();
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Blink(LED,3);
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}
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}
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// wait a few milliseconds for proper ACK to me, return true if indeed received
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static bool waitForAck(byte theNodeID) {
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long now = millis();
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while (millis() - now <= ACK_TIME) {
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if (radio.ACKReceived(theNodeID))
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return true;
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}
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return false;
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}
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void Blink(byte PIN, int DELAY_MS)
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{
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pinMode(PIN, OUTPUT);
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digitalWrite(PIN,HIGH);
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delay(DELAY_MS);
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digitalWrite(PIN,LOW);
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}
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