136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
#include <RFM69.h>
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#include <SPI.h>
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#include <SPIFlash.h>
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#define NODEID 99
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#define NETWORKID 100
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#define GATEWAYID 1
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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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int TRANSMITPERIOD = 300; //transmit a packet to gateway so often (in ms)
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byte sendSize=0;
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boolean requestACK = false;
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SPIFlash flash(8, 0xEF30); //EF40 for 16mbit windbond chip
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RFM69 radio;
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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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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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char buff[50];
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sprintf(buff, "\nTransmitting 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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long lastPeriod = -1;
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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 >= 48 && input <= 57) //[0,9]
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{
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TRANSMITPERIOD = 100 * (input-48);
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if (TRANSMITPERIOD == 0) TRANSMITPERIOD = 1000;
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Serial.print("\nChanging delay to ");
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Serial.print(TRANSMITPERIOD);
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Serial.println("ms\n");
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}
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if (input == 'r') //d=dump 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 == '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 == 'e')
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{
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Serial.print("Erasing Flash chip ... ");
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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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//check for any received packets
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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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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.ACKRequested())
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{
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radio.sendACK();
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Serial.print(" - ACK sent");
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delay(10);
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}
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Blink(LED,5);
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Serial.println();
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}
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int currPeriod = millis()/TRANSMITPERIOD;
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if (currPeriod != lastPeriod)
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{
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//fill in the struct with new values
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theData.nodeId = NODEID;
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theData.uptime = millis();
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theData.temp = 91.23; //it's hot!
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Serial.print("Sending struct (");
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Serial.print(sizeof(theData));
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Serial.print(" bytes) ... ");
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if (radio.sendWithRetry(GATEWAYID, (const void*)(&theData), sizeof(theData)))
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Serial.print(" ok!");
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else Serial.print(" nothing...");
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Serial.println();
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Blink(LED,3);
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lastPeriod=currPeriod;
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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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