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f8192e1 Mar 31, 2017
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// Sample RFM69 receiver/gateway sketch, with ACK and optional encryption, and Automatic Transmission Control
// Passes through any wireless received messages to the serial port & responds to ACKs
// It also looks for an onboard FLASH chip, if present
// **********************************************************************************
// Copyright Felix Rusu 2016, http://www.LowPowerLab.com/contact
// **********************************************************************************
// License
// **********************************************************************************
// This program is free software; you can redistribute it
// and/or modify it under the terms of the GNU General
// Public License as published by the Free Software
// Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will
// be useful, but WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE. See the GNU General Public
// License for more details.
//
// Licence can be viewed at
// http://www.gnu.org/licenses/gpl-3.0.txt
//
// Please maintain this license information along with authorship
// and copyright notices in any redistribution of this code
// **********************************************************************************
#include <RFM69.h> //get it here: https://www.github.com/lowpowerlab/rfm69
#include <RFM69_ATC.h> //get it here: https://www.github.com/lowpowerlab/rfm69
#include <SPIFlash.h> //get it here: https://www.github.com/lowpowerlab/spiflash
#include <SPI.h> //included with Arduino IDE install (www.arduino.cc)
//*********************************************************************************************
//************ IMPORTANT SETTINGS - YOU MUST CHANGE/CONFIGURE TO FIT YOUR HARDWARE *************
//*********************************************************************************************
#define NODEID 1 //unique for each node on same network
#define NETWORKID 100 //the same on all nodes that talk to each other
//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
#define FREQUENCY RF69_433MHZ
//#define FREQUENCY RF69_868MHZ
//#define FREQUENCY RF69_915MHZ
#define ENCRYPTKEY "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
#define IS_RFM69HW_HCW //uncomment only for RFM69HW/HCW! Leave out if you have RFM69W/CW!
//*********************************************************************************************
//Auto Transmission Control - dials down transmit power to save battery
//Usually you do not need to always transmit at max output power
//By reducing TX power even a little you save a significant amount of battery power
//This setting enables this gateway to work with remote nodes that have ATC enabled to
//dial their power down to only the required level
#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
//*********************************************************************************************
#define SERIAL_BAUD 115200
#ifdef __AVR_ATmega1284P__
#define LED 15 // Moteino MEGAs have LEDs on D15
#define FLASH_SS 23 // and FLASH SS on D23
#else
#define LED 9 // Moteinos have LEDs on D9
#define FLASH_SS 8 // and FLASH SS on D8
#endif
#ifdef ENABLE_ATC
RFM69_ATC radio;
#else
RFM69 radio;
#endif
SPIFlash flash(FLASH_SS, 0xEF30); //EF30 for 4mbit Windbond chip (W25X40CL)
bool promiscuousMode = false; //set to 'true' to sniff all packets on the same network
void setup() {
Serial.begin(SERIAL_BAUD);
delay(10);
radio.initialize(FREQUENCY,NODEID,NETWORKID);
#ifdef IS_RFM69HW_HCW
radio.setHighPower(); //must include this only for RFM69HW/HCW!
#endif
radio.encrypt(ENCRYPTKEY);
radio.promiscuous(promiscuousMode);
//radio.setFrequency(919000000); //set frequency to some custom frequency
char buff[50];
sprintf(buff, "\nListening at %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
Serial.println(buff);
if (flash.initialize())
{
Serial.print("SPI Flash Init OK. Unique MAC = [");
flash.readUniqueId();
for (byte i=0;i<8;i++)
{
Serial.print(flash.UNIQUEID[i], HEX);
if (i!=8) Serial.print(':');
}
Serial.println(']');
//alternative way to read it:
//byte* MAC = flash.readUniqueId();
//for (byte i=0;i<8;i++)
//{
// Serial.print(MAC[i], HEX);
// Serial.print(' ');
//}
}
else
Serial.println("SPI Flash MEM not found (is chip soldered?)...");
#ifdef ENABLE_ATC
Serial.println("RFM69_ATC Enabled (Auto Transmission Control)");
#endif
}
byte ackCount=0;
uint32_t packetCount = 0;
void loop() {
//process any serial input
if (Serial.available() > 0)
{
char input = Serial.read();
if (input == 'r') //d=dump all register values
radio.readAllRegs();
if (input == 'E') //E=enable encryption
radio.encrypt(ENCRYPTKEY);
if (input == 'e') //e=disable encryption
radio.encrypt(null);
if (input == 'p')
{
promiscuousMode = !promiscuousMode;
radio.promiscuous(promiscuousMode);
Serial.print("Promiscuous mode ");Serial.println(promiscuousMode ? "on" : "off");
}
if (input == 'd') //d=dump flash area
{
Serial.println("Flash content:");
int counter = 0;
while(counter<=256){
Serial.print(flash.readByte(counter++), HEX);
Serial.print('.');
}
while(flash.busy());
Serial.println();
}
if (input == 'D')
{
Serial.print("Deleting Flash chip ... ");
flash.chipErase();
while(flash.busy());
Serial.println("DONE");
}
if (input == 'i')
{
Serial.print("DeviceID: ");
word jedecid = flash.readDeviceId();
Serial.println(jedecid, HEX);
}
if (input == 't')
{
byte temperature = radio.readTemperature(-1); // -1 = user cal factor, adjust for correct ambient
byte fTemp = 1.8 * temperature + 32; // 9/5=1.8
Serial.print( "Radio Temp is ");
Serial.print(temperature);
Serial.print("C, ");
Serial.print(fTemp); //converting to F loses some resolution, obvious when C is on edge between 2 values (ie 26C=78F, 27C=80F)
Serial.println('F');
}
}
if (radio.receiveDone())
{
Serial.print("#[");
Serial.print(++packetCount);
Serial.print(']');
Serial.print('[');Serial.print(radio.SENDERID, DEC);Serial.print("] ");
if (promiscuousMode)
{
Serial.print("to [");Serial.print(radio.TARGETID, DEC);Serial.print("] ");
}
for (byte i = 0; i < radio.DATALEN; i++)
Serial.print((char)radio.DATA[i]);
Serial.print(" [RX_RSSI:");Serial.print(radio.RSSI);Serial.print("]");
if (radio.ACKRequested())
{
byte theNodeID = radio.SENDERID;
radio.sendACK();
Serial.print(" - ACK sent.");
// When a node requests an ACK, respond to the ACK
// and also send a packet requesting an ACK (every 3rd one only)
// This way both TX/RX NODE functions are tested on 1 end at the GATEWAY
if (ackCount++%3==0)
{
Serial.print(" Pinging node ");
Serial.print(theNodeID);
Serial.print(" - ACK...");
delay(3); //need this when sending right after reception .. ?
if (radio.sendWithRetry(theNodeID, "ACK TEST", 8, 0)) // 0 = only 1 attempt, no retries
Serial.print("ok!");
else Serial.print("nothing");
}
}
Serial.println();
Blink(LED,3);
}
}
void Blink(byte PIN, int DELAY_MS)
{
pinMode(PIN, OUTPUT);
digitalWrite(PIN,HIGH);
delay(DELAY_MS);
digitalWrite(PIN,LOW);
}