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

lib/RFM69/RFM69_ATC.h

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+// **********************************************************************************
+// Automatic Transmit Power Control class derived from RFM69 library.
+// Discussion and details in this forum post: https://lowpowerlab.com/forum/index.php/topic,688.0.html
+// **********************************************************************************
+// Copyright Thomas Studwell (2014,2015)
+// Adjustments by Felix Rusu, LowPowerLab.com
+// **********************************************************************************
+// 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
+// **********************************************************************************
+#ifndef RFM69_ATC_h
+#define RFM69_ATC_h
+#include <RFM69.h>
+
+#define RFM69_CTL_RESERVE1  0x20
+
+class RFM69_ATC: public RFM69 {
+  public:
+    static volatile uint8_t ACK_RSSI_REQUESTED;  // new flag in CTL byte to request RSSI with ACK (could potentially be merged with ACK_REQUESTED)
+
+    RFM69_ATC(uint8_t slaveSelectPin=RF69_SPI_CS, uint8_t interruptPin=RF69_IRQ_PIN, bool isRFM69HW=false, uint8_t interruptNum=RF69_IRQ_NUM) :
+      RFM69(slaveSelectPin, interruptPin, isRFM69HW, interruptNum) {
+    }
+
+    bool initialize(uint8_t freqBand, uint8_t ID, uint8_t networkID=1);
+    void sendACK(const void* buffer = "", uint8_t bufferSize=0);
+    //void setHighPower(bool onOFF=true, uint8_t PA_ctl=0x60); //have to call it after initialize for RFM69HW
+    //void setPowerLevel(uint8_t level); // reduce/increase transmit power level
+    bool sendWithRetry(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries=2, uint8_t retryWaitTime=40); // 40ms roundtrip req for 61byte packets
+    void  enableAutoPower(int16_t targetRSSI=-90);  // TWS: New method to enable/disable auto Power control
+    void setMode(uint8_t mode);  // TWS: moved from protected to try to build block()/unblock() wrapper
+    
+    int16_t getAckRSSI(void);       // TWS: New method to retrieve the ack'd RSSI (if any)
+    uint8_t setLNA(uint8_t newReg); // TWS: function to control LNA reg for power testing purposes
+    int16_t _targetRSSI;     // if non-zero then this is the desired end point RSSI for our transmission
+    uint8_t _transmitLevel;  // saved powerLevel in case we do auto power adjustment, this value gets dithered
+
+  protected:
+    void interruptHook(uint8_t CTLbyte);
+    void sendFrame(uint8_t toAddress, const void* buffer, uint8_t size, bool requestACK=false, bool sendACK=false);  // Need this one to match the RFM69 prototype.
+    void sendFrame(uint8_t toAddress, const void* buffer, uint8_t size, bool requestACK, bool sendACK, bool sendRSSI, int16_t lastRSSI);
+    void receiveBegin();
+    //void setHighPowerRegs(bool onOff);
+
+    int16_t _ackRSSI;         // this contains the RSSI our destination Ack'd back to us (if we enabledAutoPower)
+    //bool    _powerBoost;      // this controls whether we need to turn on the highpower regs based on the setPowerLevel input
+    uint8_t _PA_Reg;          // saved and derived PA control bits so we don't have to spend time reading back from SPI port
+};
+
+#endif