publish libraries to avoid users to have to download them one by one

lib/RFM69/Examples/RandomNumbers/RandomNumbers.ino

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+// Sample RFM69 random temperature sender at fixed intervals (Fahrenheit)
+// **********************************************************************************
+// 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://github.com/lowpowerlab/rfm69
+#include <RFM69_ATC.h>     //get it here: https://github.com/lowpowerlab/RFM69
+#include <RFM69_OTA.h>     //get it here: https://github.com/lowpowerlab/RFM69
+#include <SPIFlash.h>      //get it here: https://github.com/lowpowerlab/spiflash
+#include <SPI.h>           //included with Arduino IDE (www.arduino.cc)
+
+//****************************************************************************************************************
+//**** IMPORTANT RADIO SETTINGS - YOU MUST CHANGE/CONFIGURE TO MATCH YOUR HARDWARE TRANSCEIVER CONFIGURATION! ****
+//****************************************************************************************************************
+#define NODEID         98    //unique for each node on same network
+#define NETWORKID     100  //the same on all nodes that talk to each other
+#define GATEWAYID     1
+//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
+//#define FREQUENCY     RF69_433MHZ
+#define FREQUENCY     RF69_915MHZ
+#define IS_RFM69HW_HCW  //uncomment only for RFM69HW/HCW! Leave out if you have RFM69W/CW!
+#define ENCRYPTKEY    "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
+//*****************************************************************************************************************************
+#define ENABLE_ATC      //comment out this line to disable AUTO TRANSMISSION CONTROL
+#define ATC_RSSI        -75
+//*****************************************************************************************************************************
+#define ACK_TIME      30 // max # of ms to wait for an ack
+
+#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
+
+#define SERIAL_BAUD   115200
+
+int TRANSMITPERIOD = 2000; //transmit a packet to gateway so often (in ms)
+char buff[50];
+byte sendSize=0;
+
+#ifdef ENABLE_ATC
+  RFM69_ATC radio;
+#else
+  RFM69 radio;
+#endif
+
+void setup() {
+  Serial.begin(SERIAL_BAUD);
+  radio.initialize(FREQUENCY,NODEID,NETWORKID);
+#ifdef IS_RFM69HW_HCW
+  radio.setHighPower(); //must include this only for RFM69HW/HCW!
+#endif
+  radio.encrypt(ENCRYPTKEY);
+
+#ifdef ENABLE_ATC
+  radio.enableAutoPower(ATC_RSSI);
+#endif
+
+  sprintf(buff, "\nTransmitting at %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
+  Serial.println(buff);
+}
+
+long lastPeriod = 0;
+long randNumber1 = 0;
+long randNumber2 = 0;
+void loop() {
+  if (radio.receiveDone())
+  {
+    Serial.print('[');Serial.print(radio.SENDERID, 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())
+    {
+      radio.sendACK();
+      Serial.print(" - ACK sent");
+    }
+    Blink(LED,3);
+    Serial.println();
+  }
+
+  int currPeriod = millis()/TRANSMITPERIOD;
+  if (currPeriod != lastPeriod)
+  {
+    lastPeriod=currPeriod;
+    randNumber1 = random(99);
+    randNumber2 = random(99);
+
+    if (randNumber2 > 70)
+      sprintf(buff, "F:%d.5", randNumber1);
+    else
+      sprintf(buff, "F:-%d.5", randNumber1);
+    sendSize = strlen(buff);
+    
+    if (radio.sendWithRetry(GATEWAYID, buff, sendSize))
+     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);
+}