publish libraries to avoid users to have to download them one by one
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// Sample RFM69 sender/node sketch, with ACK and optional encryption, and Automatic Transmission Control
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// Sends periodic messages of increasing length to gateway (id=1)
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// It also looks for an onboard FLASH chip, if present
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// **********************************************************************************
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// Copyright Felix Rusu 2016, http://www.LowPowerLab.com/contact
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// **********************************************************************************
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// License
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// **********************************************************************************
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// This program is free software; you can redistribute it
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// and/or modify it under the terms of the GNU General
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// Public License as published by the Free Software
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// Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will
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// be useful, but WITHOUT ANY WARRANTY; without even the
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// implied warranty of MERCHANTABILITY or FITNESS FOR A
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// PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// Licence can be viewed at
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// http://www.gnu.org/licenses/gpl-3.0.txt
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//
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// Please maintain this license information along with authorship
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// and copyright notices in any redistribution of this code
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// **********************************************************************************
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#include <RFM69.h> //get it here: https://www.github.com/lowpowerlab/rfm69
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#include <RFM69_ATC.h> //get it here: https://www.github.com/lowpowerlab/rfm69
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#include <SPIFlash.h> //get it here: https://www.github.com/lowpowerlab/spiflash
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#include <SPI.h> //included with Arduino IDE install (www.arduino.cc)
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//*********************************************************************************************
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//************ IMPORTANT SETTINGS - YOU MUST CHANGE/CONFIGURE TO FIT YOUR HARDWARE ************
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//*********************************************************************************************
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#define NODEID 2 //must be unique for each node on same network (range up to 254, 255 is used for broadcast)
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#define NETWORKID 100 //the same on all nodes that talk to each other (range up to 255)
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#define GATEWAYID 1
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//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
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#define FREQUENCY RF69_433MHZ
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//#define FREQUENCY RF69_868MHZ
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//#define FREQUENCY RF69_915MHZ
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#define ENCRYPTKEY "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
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#define IS_RFM69HW_HCW //uncomment only for RFM69HW/HCW! Leave out if you have RFM69W/CW!
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//*********************************************************************************************
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//Auto Transmission Control - dials down transmit power to save battery
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//Usually you do not need to always transmit at max output power
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//By reducing TX power even a little you save a significant amount of battery power
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//This setting enables this gateway to work with remote nodes that have ATC enabled to
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//dial their power down to only the required level (ATC_RSSI)
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -80
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//*********************************************************************************************
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#ifdef __AVR_ATmega1284P__
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#define LED 15 // Moteino MEGAs have LEDs on D15
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#define FLASH_SS 23 // and FLASH SS on D23
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#else
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#define LED 9 // Moteinos have LEDs on D9
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#define FLASH_SS 8 // and FLASH SS on D8
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#endif
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#define SERIAL_BAUD 115200
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int TRANSMITPERIOD = 200; //transmit a packet to gateway so often (in ms)
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char payload[] = "123 ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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char buff[20];
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byte sendSize=0;
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boolean requestACK = false;
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SPIFlash flash(FLASH_SS, 0xEF30); //EF30 for 4mbit Windbond chip (W25X40CL)
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#ifdef ENABLE_ATC
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RFM69_ATC radio;
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#else
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RFM69 radio;
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#endif
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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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#ifdef IS_RFM69HW_HCW
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radio.setHighPower(); //must include this only for RFM69HW/HCW!
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#endif
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radio.encrypt(ENCRYPTKEY);
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//radio.setFrequency(919000000); //set frequency to some custom frequency
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//Auto Transmission Control - dials down transmit power to save battery (-100 is the noise floor, -90 is still pretty good)
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//For indoor nodes that are pretty static and at pretty stable temperatures (like a MotionMote) -90dBm is quite safe
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//For more variable nodes that can expect to move or experience larger temp drifts a lower margin like -70 to -80 would probably be better
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//Always test your ATC mote in the edge cases in your own environment to ensure ATC will perform as you expect
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#ifdef ENABLE_ATC
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radio.enableAutoPower(ATC_RSSI);
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#endif
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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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{
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Serial.print("SPI Flash Init OK ... UniqueID (MAC): ");
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flash.readUniqueId();
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for (byte i=0;i<8;i++)
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{
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Serial.print(flash.UNIQUEID[i], HEX);
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Serial.print(' ');
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}
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Serial.println();
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}
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else
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Serial.println("SPI Flash MEM not found (is chip soldered?)...");
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#ifdef ENABLE_ATC
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Serial.println("RFM69_ATC Enabled (Auto Transmission Control)\n");
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#endif
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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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long lastPeriod = 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 >= 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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uint16_t counter = 0;
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Serial.print("0-256: ");
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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.RSSI);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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}
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Blink(LED,3);
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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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lastPeriod=currPeriod;
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//send FLASH id
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if(sendSize==0)
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{
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sprintf(buff, "FLASH_MEM_ID:0x%X", flash.readDeviceId());
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byte buffLen=strlen(buff);
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if (radio.sendWithRetry(GATEWAYID, buff, buffLen))
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Serial.print(" ok!");
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else Serial.print(" nothing...");
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//sendSize = (sendSize + 1) % 31;
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}
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else
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{
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Serial.print("Sending[");
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Serial.print(sendSize);
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Serial.print("]: ");
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for(byte i = 0; i < sendSize; i++)
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Serial.print((char)payload[i]);
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if (radio.sendWithRetry(GATEWAYID, payload, sendSize))
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Serial.print(" ok!");
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else Serial.print(" nothing...");
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}
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sendSize = (sendSize + 1) % 31;
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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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