140 lines
4 KiB
Arduino
140 lines
4 KiB
Arduino
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#include <RFM69.h>
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#include <SPI.h>
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#include <SPIFlash.h>
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#define NODEID 1
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#define NETWORKID 100
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#define FREQUENCY RF69_433MHZ //Match this with the version of your Moteino! (others: RF69_433MHZ, RF69_868MHZ)
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#define KEY "thisIsEncryptKey" //has to be same 16 characters/bytes on all nodes, not more not less!
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#define LED 9
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#define SERIAL_BAUD 115200
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#define ACK_TIME 30 // # of ms to wait for an ack
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RFM69 radio;
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SPIFlash flash(8, 0xEF30); //EF40 for 16mbit windbond chip
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bool promiscuousMode = false; //set to 'true' to sniff all packets on the same network
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typedef struct {
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int nodeId; //store this nodeId
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unsigned long uptime; //uptime in ms
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float temp; //temperature maybe?
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} Payload;
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Payload theData;
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void setup() {
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Serial.begin(SERIAL_BAUD);
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delay(10);
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radio.initialize(FREQUENCY,NODEID,NETWORKID);
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//radio.setHighPower(); //uncomment only for RFM69HW!
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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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if (flash.initialize())
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Serial.println("SPI Flash Init OK!");
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else
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Serial.println("SPI Flash Init FAIL! (is chip present?)");
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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 == 'r') //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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if (input == 'd') //d=dump flash area
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{
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Serial.println("Flash content:");
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int counter = 0;
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while(counter<=256){
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Serial.print(flash.readByte(counter++), HEX);
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Serial.print('.');
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}
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while(flash.busy());
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Serial.println();
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}
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if (input == 'D')
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{
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Serial.print("Deleting Flash chip content... ");
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flash.chipErase();
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while(flash.busy());
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Serial.println("DONE");
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}
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if (input == 'i')
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{
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Serial.print("DeviceID: ");
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word jedecid = flash.readDeviceId();
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Serial.println(jedecid, HEX);
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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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Serial.print(" [RX_RSSI:");Serial.print(radio.readRSSI());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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if (radio.DATALEN != sizeof(Payload))
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Serial.print("Invalid payload received, not matching Payload struct!");
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else
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{
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theData = *(Payload*)radio.DATA; //assume radio.DATA actually contains our struct and not something else
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Serial.print(" nodeId=");
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Serial.print(theData.nodeId);
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Serial.print(" uptime=");
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Serial.print(theData.uptime);
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Serial.print(" temp=");
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Serial.print(theData.temp);
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}
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if (radio.ACKRequested())
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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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if (ackCount++%3==0)
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{
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Serial.print(" Pinging node ");
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Serial.print(theNodeID);
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Serial.print(" - ACK...");
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delay(3); //need this when sending right after reception .. ?
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if (radio.sendWithRetry(theNodeID, "ACK TEST", 8, 0)) // 0 = only 1 attempt, no retries
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Serial.print("ok!");
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else Serial.print("nothing");
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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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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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