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diff --git a/aliznayem/RFM69.h b/aliznayem/RFM69.h
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+// **********************************************************************************
+// Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
+// **********************************************************************************
+// 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
+// **********************************************************************************
+
+
+// **********************************************************************************
+// Converted to AVR environment by Zulkar Nayem
+// **********************************************************************************
+
+#include <avr/io.h>
+
+#ifndef RFM69_h
+#define RFM69_h
+
+// Definitions
+#   define SS_DDR                DDRB
+#   define SS_PORT              PORTB
+#   define SS_PIN                 PB2
+
+#   define INT_DDR               DDRD
+#   define INT_PORT             PORTD
+#   define INT_PIN               PIND
+#   define INT_pin_num              2
+#   define INT_PIN_n              PD2
+#   define INTn                  INT0
+#   define ISCn0                ISC00
+#   define ISCn1                ISC01
+#   define INT_VECT         INT0_vect
+
+#   define EICRn               EICRA
+
+
+#define RF69_MAX_DATA_LEN       61  // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead - 2 bytes crc)
+#define CSMA_LIMIT             -90 // upper RX signal sensitivity threshold in dBm for carrier sense access
+#define RF69_MODE_SLEEP         0   // XTAL OFF
+#define RF69_MODE_STANDBY       1   // XTAL ON
+#define RF69_MODE_SYNTH         2   // PLL ON
+#define RF69_MODE_RX            3   // RX MODE
+#define RF69_MODE_TX            4   // TX MODE
+#define null                  0
+#define COURSE_TEMP_COEF    -90     // puts the temperature reading in the ballpark, user can fine tune the returned value
+#define RF69_BROADCAST_ADDR   0
+#define RF69_CSMA_LIMIT_MS 1000
+#define RF69_TX_LIMIT_MS   1000
+#define RF69_FSTEP    61.03515625   // == FXOSC / 2^19 = 32MHz / 2^19 (p13 in datasheet) / FXOSC = module crystal oscillator frequency 
+// TWS: define CTLbyte bits
+#define RFM69_CTL_SENDACK   0x80
+#define RFM69_CTL_REQACK    0x40
+
+// Global Variables
+volatile uint8_t DATA[RF69_MAX_DATA_LEN+1];  // RX/TX payload buffer, including end of string NULL char
+
+// Function Declerations
+void rfm69_init(uint16_t freqBand, uint8_t nodeID, uint8_t networkID);
+void setAddress(uint8_t addr);
+void setNetwork(uint8_t networkID);
+uint8_t canSend();
+void send(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t requestACK);
+uint8_t sendWithRetry(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries, uint8_t retryWaitTime);
+uint8_t ACKRequested();
+uint8_t ACKReceived(uint8_t fromNodeID);
+void receiveBegin();
+uint8_t receiveDone();
+void sendACK(const void* buffer, uint8_t bufferSize);
+uint32_t getFrequency();
+void setFrequency(uint32_t freqHz);
+void encrypt(const char* key);
+int16_t readRSSI(uint8_t forceTrigger);
+void setHighPower(uint8_t onOFF);           // has to be called after initialize() for RFM69HW
+void setPowerLevel(uint8_t level);            // reduce/increase transmit power level
+void sleep();
+uint8_t readTemperature(uint8_t calFactor); // get CMOS temperature (8bit)
+void rcCalibration();                         // calibrate the internal RC oscillator for use in wide temperature variations - see datasheet section [4.3.5. RC Timer Accuracy]
+uint8_t readReg(uint8_t addr);
+void writeReg(uint8_t addr, uint8_t val);
+void sendFrame(uint8_t toAddress, const void* buffer, uint8_t size, uint8_t requestACK, uint8_t sendACK);
+void setMode(uint8_t mode);
+void setHighPowerRegs(uint8_t onOff);
+void promiscuous(uint8_t onOff);
+void maybeInterrupts();
+void select();
+void unselect();
+uint8_t receiveDone();
+
+#endif