mirror of
https://github.com/1technophile/OpenMQTTGateway.git
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132 lines
5.0 KiB
C++
132 lines
5.0 KiB
C++
// Sample RFM69 random temperature sender at fixed intervals (Fahrenheit)
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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://github.com/lowpowerlab/rfm69
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#include <RFM69_ATC.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <RFM69_OTA.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <SPIFlash.h> //get it here: https://github.com/lowpowerlab/spiflash
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#include <SPI.h> //included with Arduino IDE (www.arduino.cc)
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//****************************************************************************************************************
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//**** IMPORTANT RADIO SETTINGS - YOU MUST CHANGE/CONFIGURE TO MATCH YOUR HARDWARE TRANSCEIVER CONFIGURATION! ****
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//****************************************************************************************************************
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#define NODEID 98 //unique for each node on same network
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#define NETWORKID 100 //the same on all nodes that talk to each other
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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_915MHZ
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#define IS_RFM69HW_HCW //uncomment only for RFM69HW/HCW! Leave out if you have RFM69W/CW!
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#define ENCRYPTKEY "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
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//*****************************************************************************************************************************
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -75
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//*****************************************************************************************************************************
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#define ACK_TIME 30 // max # of ms to wait for an ack
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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 = 2000; //transmit a packet to gateway so often (in ms)
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char buff[50];
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byte sendSize=0;
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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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#ifdef ENABLE_ATC
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radio.enableAutoPower(ATC_RSSI);
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#endif
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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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}
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long lastPeriod = 0;
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long randNumber1 = 0;
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long randNumber2 = 0;
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void loop() {
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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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randNumber1 = random(99);
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randNumber2 = random(99);
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if (randNumber2 > 70)
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sprintf(buff, "F:%d.5", randNumber1);
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else
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sprintf(buff, "F:-%d.5", randNumber1);
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sendSize = strlen(buff);
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if (radio.sendWithRetry(GATEWAYID, buff, sendSize))
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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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}
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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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} |