Arduino demo source code for LoRa "Receiver"

Code:
#include <LoRa.h>

#include <SPI.h>





#include <Wire.h>

#include <Bonezegei_SSD1306.h>

Bonezegei_SSD1306 oled(128, 64);



#define ss 41

#define rst 2

#define dio0 40



#include "Arduino.h"





#define ANALOG_A1   4

#define ANALOG_A2   6

#define ANALOG_A3   5

#define ANALOG_A4   7



const int Relay1 = 48; 



const int K1 = 47;

const int K2 = 21;

const int K3 = 14;

const int K4 = 13;

const int K5 = 12;

const int K6 = 11;

const int K7 = 10;

const int K8 = 9;



const int IO0 = 0;  //GPIO0

const int DI1 = 16;  //DI

const int DI2 = 15;  //1-wire





void setup()

{



  

  SPI.begin(42, 43, 44, 41);  //SPI.begin(PIN_SPI_SCK, PIN_SPI_MISO, PIN_SPI_MOSI, -1);   last one is SS not used, use -1

  Wire.begin(39, 38);



  oled.begin();

  oled.clear();

//  oled.drawText(1, 0, "Arial8", oled.Font_Arial8);

  oled.drawText(1, 0, "KinCony", oled.Font_Arial14);

//  oled.drawText(1, 24, "Arial12", oled.Font_Arial12);

//  oled.drawText(1, 40, "Arial14", oled.Font_Arial14);

  oled.draw();  //update the screen

  

  Serial.begin(115200);

  Serial.println("begin");

  LoRa.setPins(ss, rst, dio0);    //setup LoRa transceiver module

  

  while (!LoRa.begin(433E6))     //433E6 - Asia, 866E6 - Europe, 915E6 - North America

  {

    Serial.println(".");

    delay(500);

  }

  LoRa.setSyncWord(0xA5);

  Serial.println("LoRa Initializing OK!");

  

  pinMode(Relay1,OUTPUT);

  

  pinMode(K1,INPUT);

  pinMode(K2,INPUT);

  pinMode(K3,INPUT);

  pinMode(K4,INPUT);

  pinMode(K5,INPUT);

  pinMode(K6,INPUT);

  pinMode(K7,INPUT);

  pinMode(K8,INPUT);

  

  pinMode(DI1,INPUT);

  pinMode(DI2,INPUT);

  pinMode(IO0,INPUT);



  pinMode(ANALOG_A1,INPUT);

  pinMode(ANALOG_A2,INPUT);

  pinMode(ANALOG_A3,INPUT);

  pinMode(ANALOG_A4,INPUT);

  digitalWrite(Relay1, HIGH);

  





}



void loop()

{

 uint8_t valk1 = digitalRead(K1);

 uint8_t valk2 = digitalRead(K2);

 uint8_t valk3 = digitalRead(K3);

 uint8_t valk4 = digitalRead(K4);

 uint8_t valk5 = digitalRead(K5);

 uint8_t valk6 = digitalRead(K6);

 uint8_t valk7 = digitalRead(K7);

 uint8_t valk8 = digitalRead(K8);



 uint8_t valdi1 = digitalRead(DI1);

 uint8_t valdi2 = digitalRead(DI2);

 uint8_t valIO0 = digitalRead(IO0);



    

if (valdi1==LOW) digitalWrite(Relay1, HIGH); else digitalWrite(Relay1, LOW);

if (digitalRead(DI2)==LOW)Serial.println("input2 down");

if (digitalRead(IO0)==LOW)Serial.println("DL Button down");



if (digitalRead(K1)==LOW)Serial.println("K1 down");

if (digitalRead(K2)==LOW)Serial.println("K2 down");

if (digitalRead(K3)==LOW)Serial.println("K3 down");

if (digitalRead(K4)==LOW)Serial.println("K4 down");

if (digitalRead(K5)==LOW)Serial.println("K5 down");

if (digitalRead(K6)==LOW)Serial.println("K6 down");

if (digitalRead(K7)==LOW)Serial.println("K7 down");

if (digitalRead(K8)==LOW)Serial.println("K8 down");





//-------------------------------------

  if (analogRead(ANALOG_A1)>0) Serial.printf("Current Reading A1 on Pin(%d)=%d\n",ANALOG_A1,analogRead(ANALOG_A1));

  if (analogRead(ANALOG_A2)>0) Serial.printf("Current Reading A2 on Pin(%d)=%d\n",ANALOG_A2,analogRead(ANALOG_A2));

  if (analogRead(ANALOG_A3)>0) Serial.printf("Current Reading A3 on Pin(%d)=%d\n",ANALOG_A3,analogRead(ANALOG_A3));

  if (analogRead(ANALOG_A4)>0) Serial.printf("Current Reading A4 on Pin(%d)=%d\n",ANALOG_A4,analogRead(ANALOG_A4));



//---------------------------------------

  int packetSize = LoRa.parsePacket();    // try to parse packet

  if (packetSize) 

  {

    

    Serial.print("Received packet '");

 

    while (LoRa.available())              // read packet

    {

      String LoRaData = LoRa.readString();

      Serial.print(LoRaData); 



      oled.begin();

      oled.clear();

      oled.drawText(1, 0, LoRaData.c_str(), oled.Font_Arial14);

      String temp=String(LoRa.packetRssi());

      oled.drawText(1, 40, temp.c_str(), oled.Font_Arial14);

      oled.draw();  //update the screen

      

    }

    Serial.print("' with RSSI ");         // print RSSI of packet

    Serial.println(LoRa.packetRssi());

  }







}