// #define FREQUENCY_433 // default value without set 
// #define FREQUENCY_170
// #define FREQUENCY_470
#define FREQUENCY_868
// #define FREQUENCY_915
// #define E220_22 // default value without set 
// #define E220_30 // uncomment in case you use an E220...T30D or E220...T30S
#define LoRa_E220_DEBUG  // for printing the settings
#include "LoRa_E220.h"

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
// LoRa_E220 e220ttl(4, 5, 3, 7, 6); // alternative function to create the LoRa_E220 object

void printParameters(struct Configuration configuration);
void printModuleInformation(struct ModuleInformation moduleInformation);

void setup() {
  Serial.begin(9600);
  while(!Serial){};
  delay(500);

  Serial.println();


  // Startup all pins and UART
  e220ttl.begin();

  ResponseStructContainer c;
  c = e220ttl.getConfiguration();
  // It's important get configuration pointer before all other operation
  Configuration configuration = *(Configuration*) c.data;
  Serial.println(c.status.getResponseDescription());
  Serial.println(c.status.code);

  printParameters(configuration);

//	----------------------- DEFAULT TRANSPARENT ----------------------- 
  configuration.ADDL = 0x02;  // Low byte of address
  configuration.ADDH = 0x00; // High byte of address

  configuration.CHAN = 18; // 868 MHz for Exxx-900 modules, choose 23 for Exxx-400 to set 433 MHz 

  configuration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate
  configuration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate
  configuration.SPED.uartParity = MODE_00_8N1; // Parity bit

  configuration.OPTION.subPacketSetting = SPS_200_00; // Packet size
  configuration.OPTION.RSSIAmbientNoise = RSSI_AMBIENT_NOISE_DISABLED; // Need to send special command
  configuration.OPTION.transmissionPower = POWER_22; // Device power

  configuration.TRANSMISSION_MODE.enableRSSI = RSSI_DISABLED; // Enable RSSI info
  configuration.TRANSMISSION_MODE.fixedTransmission = FT_TRANSPARENT_TRANSMISSION; // Transmission mode
  configuration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED; // Check interference
  configuration.TRANSMISSION_MODE.WORPeriod = WOR_2000_011; // WOR timing

  configuration.CRYPT.CRYPT_H = 0x00;  // encryption high byte, default: 0x00
  configuration.CRYPT.CRYPT_L = 0x00;  // encryption low byte, default: 0x00

  /* Set configuration changed and set to hold the configuration; chose 
WRITE_CFG_PWR_DWN_LOSE to not save the configuration permanently */
  ResponseStatus rs = e220ttl.setConfiguration(configuration, WRITE_CFG_PWR_DWN_SAVE);
  Serial.println(rs.getResponseDescription());
  Serial.println(rs.code);

  c = e220ttl.getConfiguration();
  // It's important get configuration pointer before all other operation
  configuration = *(Configuration*) c.data;
  Serial.println(c.status.getResponseDescription());
  Serial.println(c.status.code);

  printParameters(configuration);
  c.close();
}

void loop() {

}
void printParameters(struct Configuration configuration) {
  DEBUG_PRINTLN("----------------------------------------");

  DEBUG_PRINT(F("HEAD : "));  DEBUG_PRINT(configuration.COMMAND, HEX);DEBUG_PRINT(" ");DEBUG_PRINT(configuration.STARTING_ADDRESS, HEX);DEBUG_PRINT(" ");DEBUG_PRINTLN(configuration.LENGHT, HEX);
  DEBUG_PRINTLN(F(" "));
  DEBUG_PRINT(F("AddH : "));  DEBUG_PRINTLN(configuration.ADDH, HEX);
  DEBUG_PRINT(F("AddL : "));  DEBUG_PRINTLN(configuration.ADDL, HEX);
  DEBUG_PRINTLN(F(" "));
  DEBUG_PRINT(F("Chan : "));  DEBUG_PRINT(configuration.CHAN, DEC); DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.getChannelDescription());
  DEBUG_PRINTLN(F(" "));
  DEBUG_PRINT(F("SpeedParityBit     : "));  DEBUG_PRINT(configuration.SPED.uartParity, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.SPED.getUARTParityDescription());
  DEBUG_PRINT(F("SpeedUARTDatte     : "));  DEBUG_PRINT(configuration.SPED.uartBaudRate, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.SPED.getUARTBaudRateDescription());
  DEBUG_PRINT(F("SpeedAirDataRate   : "));  DEBUG_PRINT(configuration.SPED.airDataRate, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.SPED.getAirDataRateDescription());
  DEBUG_PRINTLN(F(" "));
  DEBUG_PRINT(F("OptionSubPacketSett: "));  DEBUG_PRINT(configuration.OPTION.subPacketSetting, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.OPTION.getSubPacketSetting());
  DEBUG_PRINT(F("OptionTranPower    : "));  DEBUG_PRINT(configuration.OPTION.transmissionPower, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.OPTION.getTransmissionPowerDescription());
  DEBUG_PRINT(F("OptionRSSIAmbientNo: "));  DEBUG_PRINT(configuration.OPTION.RSSIAmbientNoise, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.OPTION.getRSSIAmbientNoiseEnable());
  DEBUG_PRINTLN(F(" "));
  DEBUG_PRINT(F("TransModeWORPeriod : "));  DEBUG_PRINT(configuration.TRANSMISSION_MODE.WORPeriod, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.TRANSMISSION_MODE.getWORPeriodByParamsDescription());
  DEBUG_PRINT(F("TransModeEnableLBT : "));  DEBUG_PRINT(configuration.TRANSMISSION_MODE.enableLBT, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.TRANSMISSION_MODE.getLBTEnableByteDescription());
  DEBUG_PRINT(F("TransModeEnableRSSI: "));  DEBUG_PRINT(configuration.TRANSMISSION_MODE.enableRSSI, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.TRANSMISSION_MODE.getRSSIEnableByteDescription());
  DEBUG_PRINT(F("TransModeFixedTrans: "));  DEBUG_PRINT(configuration.TRANSMISSION_MODE.fixedTransmission, BIN);DEBUG_PRINT(" -> "); DEBUG_PRINTLN(configuration.TRANSMISSION_MODE.getFixedTransmissionDescription());


  DEBUG_PRINTLN("----------------------------------------");
}
void printModuleInformation(struct ModuleInformation moduleInformation) {
  Serial.println("----------------------------------------");
  DEBUG_PRINT(F("HEAD: "));  DEBUG_PRINT(moduleInformation.COMMAND, HEX);DEBUG_PRINT(" ");DEBUG_PRINT(moduleInformation.STARTING_ADDRESS, HEX);DEBUG_PRINT(" ");DEBUG_PRINTLN(moduleInformation.LENGHT, DEC);

  Serial.print(F("Model no.: "));  Serial.println(moduleInformation.model, HEX);
  Serial.print(F("Version  : "));  Serial.println(moduleInformation.version, HEX);
  Serial.print(F("Features : "));  Serial.println(moduleInformation.features, HEX);
  Serial.println("----------------------------------------");
}

#include "LoRa_E220.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send message!");
 
  // Startup all pins and UARTD
  e220ttl.begin();
 
  // Send message
  ResponseStatus rs = e220ttl.sendMessage("Hello, world?");
  // Check if there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e220ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e220ttl.sendMessage(input);
  }
}

#include "LoRa_E220.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1

struct weatherData {
  int humidity;
  float temperature;
  bool rain;
};

weatherData currentWeather = {50, 20.0, false};
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send message!");
 
  // Startup all pins and UARTD
  e220ttl.begin();
 
  // Send message
  ResponseStatus rs = e220ttl.sendMessage("Hello, world?");
  // Check if there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
  static unsigned long lastSend = millis(); 
  if(millis() - lastSend > 5000){
      currentWeather.humidity = 30;
      currentWeather.temperature = 23.7;
      currentWeather.rain = false; 
      e220ttl.sendMessage(&currentWeather, sizeof(currentWeather));
      lastSend = millis();
  }
}

#include "LoRa_E220.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1

struct weatherData {
  int humidity;
  float temperature;
  bool rain;
};
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, waiting for weather data...");
  // Startup all pins and UARTD
  e220ttl.begin();
}
 
void loop() {
  if (e220ttl.available()>1) {
      // read the String message
    ResponseStructContainer rsc = e220ttl.receiveMessage(sizeof(weatherData));
    weatherData currentWeather = *(weatherData*) rsc.data;
    Serial.print("Humidity     [%]: ");
    Serial.println(currentWeather.humidity);
    Serial.print("Temperature [°C]: ");
    Serial.println(currentWeather.temperature);
    Serial.print("Rain            : ");
    if(currentWeather.rain){
      Serial.println("yes");
    }
    else{
      Serial.println("no");
    }
    Serial.println();
  }
}

#include "LoRa_E220.h"

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send message!");
 
  // Startup all pins and UART
  e220ttl.begin();
 
  // Send message
  ResponseStatus rs = e220ttl.sendBroadcastFixedMessage(18,"Hi to all receivers! This is no. 1"); // adjust
  // Check If there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e220ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
    int addr = Serial.parseInt();
    String input = Serial.readString();
    input = input.substring(input.indexOf(",")+1);
    switch(addr){
      case 2:
        e220ttl.sendFixedMessage(0,2,18,input);
        break;
      case 3:
        e220ttl.sendFixedMessage(0,3,18,input);
        break;
      case 18:
        e220ttl.sendBroadcastFixedMessage(18,input);
        break;
      default:
        e220ttl.sendBroadcastFixedMessage(18,input);
    }
  }
}

#include "LoRa_E220.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send message!");
 
  // Startup all pins and UART
  e220ttl.begin();
 
  // Send message
  ResponseStatus rs = e220ttl.sendFixedMessage(0,2,18,"Hello, world?");
  // Check If there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e220ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessageRSSI();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        String output = rc.data;
        byte rssiVal =  rc.rssi;
        Serial.println(rc.data);
        Serial.print("RSSI: ");
        Serial.println(rc.rssi);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e220ttl.sendFixedMessage(0,2,18,input);
  }
}

#include "LoRa_E220.h"

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1

void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send a WOR message!");
 
  e220ttl.begin();
  e220ttl.setMode(MODE_1_WOR_TRANSMITTER);
 
  // Send message
  ResponseStatus rs = e220ttl.sendFixedMessage(0,2,18,"Hello, world? WOR!");
  // Check If there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e220ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
       Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e220ttl.sendFixedMessage(0,2,18,input);
  }
}

#include "LoRa_E220.h"
#define AUX_PIN 3
volatile bool interruptExecuted = false;
 
SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, AUX_PIN, 7, 6); // AUX M0 M1


void wakeUp() {
  interruptExecuted = true;
  //detachInterrupt(digitalPinToInterrupt(AUX_PIN));
}

void setup() {
  Serial.begin(9600);
  delay(500);
 
  e220ttl.begin();
  e220ttl.setMode(MODE_2_WOR_RECEIVER);

  Serial.println("Start sleep!");
  delay(100);
  attachInterrupt(digitalPinToInterrupt(AUX_PIN), wakeUp, FALLING);
}
 
void loop() {
  //  If something available
  if (e220ttl.available()>1) {
    Serial.println("Message arrived");
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessage();

    String message = rc.data;
    //Serial.println(rc.status.getResponseDescription());
    Serial.println(message);

    e220ttl.setMode(MODE_0_NORMAL); // change to normal mode
    delay(1000);

    e220ttl.sendFixedMessage(0, 1, 18, "We have received the message!");
    e220ttl.setMode(MODE_2_WOR_RECEIVER); // change back to WOR receiver mode
    interruptExecuted = false;
  }
 
  if(interruptExecuted) {
    Serial.println("WakeUp Callback, AUX pin go LOW and start receive message!");
    Serial.flush();
    //attachInterrupt(digitalPinToInterrupt(AUX_PIN), wakeUp, FALLING);
    interruptExecuted = false;
  }
}

#include "LoRa_E220.h"

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
  Serial.println("Hello, starting now. Type in a message.");

  e220ttl.begin();
  e220ttl.setMode(MODE_1_WOR_TRANSMITTER);
}
 
void loop() {
  if (Serial.available()) {
    String input = Serial.readString();
    e220ttl.sendFixedMessage(0,2,18,"......wake up!!"); // wake up call
    e220ttl.setMode(MODE_0_NORMAL); // change to normal mode
    delay(100); // give time for the receiver to wake up
    
    while(e220ttl.available()<= 1); // wait for confirmation
    ResponseContainer rc = e220ttl.receiveMessage(); // receive message
    rc.status.getResponseDescription(); 
    Serial.println(rc.data);
    
    e220ttl.sendFixedMessage(0,2,18,input); // send the actual message
    e220ttl.setMode(MODE_1_WOR_TRANSMITTER); // change back to WOR transmitter mode
  }
}

#include "LoRa_E220.h"
#include <avr/sleep.h>

#define AUX_PIN 3

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, AUX_PIN, 7, 6); // AUX M0 M1

void wakeUp() {
  delay(0); // add code if you want
}


void setup() {
  Serial.begin(9600);
  delay(500);

  // Startup all pins and UART
  e220ttl.begin();

  e220ttl.setMode(MODE_2_WOR_RECEIVER);

  Serial.println("Start sleep!");
  delay(100);
  attachInterrupt(digitalPinToInterrupt(AUX_PIN), wakeUp, FALLING);
  set_sleep_mode(SLEEP_MODE_PWR_DOWN); // define sleep mode
}
 
 
void loop() {
  sleep_mode(); // set MCU (Arduino Nano) to sleep
  delay(10);
  if (e220ttl.available()>1) {  // wait for wake up
    ResponseContainer rc = e220ttl.receiveMessage();
    String message = rc.data;
    Serial.println(message);

    e220ttl.setMode(MODE_0_NORMAL);
    delay(200);
    e220ttl.sendFixedMessage(0, 1, 18, "Receiver woke up!");
    delay(100);
    
    while(e220ttl.available()<= 1); // wait for second message
    rc = e220ttl.receiveMessage();
    message = rc.data;
    Serial.println(message);
    Serial.flush();
    e220ttl.setMode(MODE_2_WOR_RECEIVER);
  }
}

#include "LoRa_E220.h"

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, I'm going to send message!");
 
  // Startup all pins and UART
  e220ttl.begin();
 
  // Send message
  ResponseStatus rs = e220ttl.sendFixedMessage(0,2,18,"Hi to receiver!"); // adjust
  // Check If there is some problem of successfully send
  Serial.println(rs.getResponseDescription());
  delay(2000);
}
 
void loop() {
  // If something available
  static unsigned long lastSend = 0;
  if (millis() - lastSend > 5000) {
    e220ttl.sendFixedMessage(0,2,18, "Hi Receiver, did you get this message?");
    lastSend = millis();
  }
}

#include "LoRa_E220.h"
#define LED_PIN 8

SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  pinMode(LED_PIN, OUTPUT);
  Serial.begin(9600);
  delay(500);
 
  Serial.println("Hi, waiting for messages!");
 
  // Startup all pins and UART
  e220ttl.begin();
  delay(2000);
}
 
void loop() {
  // If something available
  if (e220ttl.available()>1) {
    ResponseContainer rc = e220ttl.receiveMessage();
    //Serial.println(rc.data);
    if(rc.data = "Hi Receiver, did you get this message?"){
      for(int i=0; i<5; i++){
        digitalWrite(LED_PIN, HIGH);
        delay(100);
        digitalWrite(LED_PIN, LOW);
        delay(100);
      }
    }
  }
}

// #define FREQUENCY_433 // default value without set 
// #define FREQUENCY_170
// #define FREQUENCY_470
#define FREQUENCY_868
// #define FREQUENCY_915
// #define E220_22 // default value without set 
// #define E220_30 // uncomment in case you use an E220...T30D or E220...T30S
#include "LoRa_E220.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
  
  Serial.println("Beginning configuration...");
  e220ttl.begin();
  setConfiguration();
  Serial.println("Hi, I'm going to send message!");
 
  ResponseStatus rs = e220ttl.sendBroadcastFixedMessage(18, "Hello, world?");
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e220ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e220ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e220ttl.sendFixedMessage(0, 2, 18, input);
  }
}

void setConfiguration(){
  ResponseStructContainer c;
  c = e220ttl.getConfiguration();
  // It's important get configuration pointer before all other operation
  Configuration configuration = *(Configuration*) c.data;
  Serial.println(c.status.getResponseDescription());
  Serial.println(c.status.code);

  configuration.ADDL = 0x03;  // Low byte of address
  configuration.ADDH = 0x00; // High byte of address

  configuration.CHAN = 18; // Communication channel --> 868 MHz

  /*
  UART_BPS_xxx with xxx = Baudrate
  xxx = 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
  */
  configuration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate

  /*
  AIR_DATA_RATE_000_24     2.4 kb/s
  AIR_DATA_RATE_001_24     2.4 kb/s
  AIR_DATA_RATE_010_24     2.4 kb/s
  AIR_DATA_RATE_011_48     4.8 kb/s
  AIR_DATA_RATE_100_96     9.6 kb/s
  AIR_DATA_RATE_101_192   19.2 kb/s
  AIR_DATA_RATE_110_384   38.4 kb/s
  AIR_DATA_RATE_111_625   62.5 kb/s 
  */
  configuration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate
  
  /* 
  MODE_00_8N1  none
  MODE_01_8O1  odd
  MODE_10_8E1  even
  MODE_11_8N1  none
  */
  configuration.SPED.uartParity = MODE_00_8N1; // Parity bit

  /*
  SPS_200_00  200
  SPS_128_01  128
  SPS_064_10   64
  SPS_032_11   32
  */
  configuration.OPTION.subPacketSetting = SPS_200_00; // Packet size

  /*
  RSSI_AMBIENT_NOISE_DISABLED
  RSSI_AMBIENT_NOISE_ENABLED
  */
  configuration.OPTION.RSSIAmbientNoise = RSSI_AMBIENT_NOISE_DISABLED; // Need to send special command

  /*
  POWER_xxx with xxx = power in dBm
  E220...T22D/S: xxx = 22, 17, 13, 10
  E220...T30D/S: xxx = 30, 27, 24, 21
  */
  configuration.OPTION.transmissionPower = POWER_22; // Device power

  /*
  RSSI_DISABLED
  RSSI_DISABLED
  */
  configuration.TRANSMISSION_MODE.enableRSSI = RSSI_DISABLED; // Enable RSSI info

  /*
  FT_FIXED_TRANSMISSION
  FT_TRANSPARENT_RANSMISSION
  */
  configuration.TRANSMISSION_MODE.fixedTransmission = FT_FIXED_TRANSMISSION; // Transmission mode

  /*
  LBT_DISABLED
  LBT_ENABLED
  */
  configuration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED; // Check interference

  /*
  WOR_xxx_yyy with xxx = WOR Period
  xxx_yyy = 500_000, 1000_001, 1500_010, 2000_011, 2500_100, 3000_101, 3500_110, 4000_111
  */
  configuration.TRANSMISSION_MODE.WORPeriod = WOR_2000_011; // WOR timing

  configuration.CRYPT.CRYPT_H = 0x00;  // encryption high byte, default: 0x00
  configuration.CRYPT.CRYPT_L = 0x00;  // encryption low byte, default: 0x00

  // Set configuration changed and set to hold the configuration
  ResponseStatus rs = e220ttl.setConfiguration(configuration, WRITE_CFG_PWR_DWN_SAVE); // WRITE_CFG_PWR_DWN_LOSE to not permanently save

  Serial.println(rs.getResponseDescription());
  Serial.println(rs.code);
  c.close();
}

// #define FREQUENCY_433 // default value without set 
// #define FREQUENCY_170
// #define FREQUENCY_470
// #define FREQUENCY_868
// #define FREQUENCY_915
// #define E22_22 // default value without set 
// #define E22_30 // uncomment in case you use an E22...T30D or E22...T30S
#include "LoRa_E22.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E22 e22ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
  
  Serial.println("Beginning configuration...");
  e22ttl.begin();
  setConfiguration();
  Serial.println("Hi, I'm going to send message!");
 
  ResponseStatus rs = e22ttl.sendBroadcastFixedMessage(23, "Hello, world?");
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e22ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e22ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e22ttl.sendFixedMessage(0, 2, 23, input);
  }
}

void setConfiguration(){
  ResponseStructContainer c;
  c = e22ttl.getConfiguration();
  // It's important get configuration pointer before all other operation
  Configuration configuration = *(Configuration*) c.data;
  Serial.println(c.status.getResponseDescription());
  Serial.println(c.status.code);

  configuration.ADDL = 0x03;  // Low byte of address
  configuration.ADDH = 0x00; // High byte of address
  configuration.NETID = 0x00; // used for repeater function

  configuration.CHAN = 23; // Communication channel --> 433 MHz

  /*
  UART_BPS_xxx with xxx = Baudrate
  xxx = 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
  */
  configuration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate

  /*
  AIR_DATA_RATE_000_03     0.3 kb/s
  AIR_DATA_RATE_001_12     1.2 kb/s
  AIR_DATA_RATE_010_24     2.4 kb/s
  AIR_DATA_RATE_011_48     4.8 kb/s
  AIR_DATA_RATE_100_96     9.6 kb/s
  AIR_DATA_RATE_101_192   19.2 kb/s
  AIR_DATA_RATE_110_384   38.4 kb/s
  AIR_DATA_RATE_111_625   62.5 kb/s 
  */
  configuration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate
  
  /* 
  MODE_00_8N1  none
  MODE_01_8O1  odd
  MODE_10_8E1  even
  MODE_11_8N1  none
  */
  configuration.SPED.uartParity = MODE_00_8N1; // Parity bit

  /*
  SPS_240_00  200
  SPS_128_01  128
  SPS_064_10   64
  SPS_032_11   32
  */
  configuration.OPTION.subPacketSetting = SPS_240_00; // Packet size

  /*
  RSSI_AMBIENT_NOISE_DISABLED
  RSSI_AMBIENT_NOISE_ENABLED
  */
  configuration.OPTION.RSSIAmbientNoise = RSSI_AMBIENT_NOISE_DISABLED; // Need to send special command

  /*
  POWER_xxx with xxx = power in dBm
  E22...T22D/S: xxx = 22, 17, 13, 10
  E22...T30D/S: xxx = 30, 27, 24, 21
  */
  configuration.OPTION.transmissionPower = POWER_22; // Device power

  /*
  RSSI_DISABLED
  RSSI_DISABLED
  */
  configuration.TRANSMISSION_MODE.enableRSSI = RSSI_DISABLED; // Enable RSSI info

  /*
  FT_FIXED_TRANSMISSION
  FT_TRANSPARENT_RANSMISSION
  */
  configuration.TRANSMISSION_MODE.fixedTransmission = FT_FIXED_TRANSMISSION; // Transmission mode

  /*  In the repeater mode, ADDH/ADDL is no longer used as the module address, it is used as a NETID 
  to pair and forwarding. If the reperater receive the data from a network, then it will forward the 
  data to the other network. The network ID of the repeater itself is invalid in this case.
  The repeater module cannot transmit and receive data, and cannot perform low-power operation.
  REPEATER_ENABLED 
  REPEATER_DISABLED
  */
  configuration.TRANSMISSION_MODE.enableRepeater = REPEATER_DISABLED;

  /*
  LBT_DISABLED
  LBT_ENABLED
  */
  configuration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED; // Check interference

  /*
  WOR_TRANSMITTER
  WOR_RECEIVER
  */
  configuration.TRANSMISSION_MODE.WORTransceiverControl = WOR_RECEIVER;

  /*
  WOR_xxx_yyy with xxx = WOR Period in ms
  xxx_yyy = 500_000, 1000_001, 1500_010, 2000_011, 2500_100, 3000_101, 3500_110, 4000_111
  */
  configuration.TRANSMISSION_MODE.WORPeriod = WOR_2000_011; // WOR timing

  configuration.CRYPT.CRYPT_H = 0x00;  // encryption high byte, default: 0x00
  configuration.CRYPT.CRYPT_L = 0x00;  // encryption low byte, default: 0x00

  // Set configuration changed and set to not hold the configuration
  ResponseStatus rs = e22ttl.setConfiguration(configuration, WRITE_CFG_PWR_DWN_SAVE); // WRITE_CFG_PWR_DWN_LOSE to not permanently save

  Serial.println(rs.getResponseDescription());
  Serial.println(rs.code);
  c.close();
}

// #define FREQUENCY_433 // default value without set 
// #define FREQUENCY_170
// #define FREQUENCY_470
// #define FREQUENCY_868
// #define FREQUENCY_915/* Choose your module */
// #define E32_TTL_100 
// #define E32_TTL_500 
#define E32_TTL_1W // E32-TTL-1W, E32-433T30S/D, E32-868T30S/D, E32-915T30S/D
// #define E32_TTL_2W
#include "LoRa_E32.h"
 
SoftwareSerial mySerial(4,5);
LoRa_E32 e32ttl(&mySerial, 3, 7, 6); // AUX M0 M1
 
void setup() {
  Serial.begin(9600);
  delay(500);
  
  Serial.println("Beginning configuration...");
  e32ttl.begin();
  setConfiguration();
  Serial.println("Hi, I'm going to send message!");
 
  ResponseStatus rs = e32ttl.sendBroadcastFixedMessage(23, "Hello, world?");
  Serial.println(rs.getResponseDescription());
}
 
void loop() {
    // If something available
  if (e32ttl.available()>1) {
      // read the String message
    ResponseContainer rc = e32ttl.receiveMessage();
    // Is something goes wrong print error
    if (rc.status.code!=1){
        Serial.println(rc.status.getResponseDescription());
    }else{
        // Print the data received
        Serial.println(rc.data);
    }
  }
  if (Serial.available()) {
      String input = Serial.readString();
      e32ttl.sendFixedMessage(0, 2, 23, input);
  }
}

void setConfiguration(){
  ResponseStructContainer c;
  c = e32ttl.getConfiguration();
  // It's important get configuration pointer before all other operation
  Configuration configuration = *(Configuration*) c.data;
  Serial.println(c.status.getResponseDescription());
  Serial.println(c.status.code);

  configuration.ADDL = 0x03;  // Low byte of address
  configuration.ADDH = 0x00; // High byte of address

  configuration.CHAN = 23; // Communication channel --> 433 MHz

  /* After turning off FEC, the actual data transmission rate increases 
  while anti-interference ability decreases. Also, the transmission distance is relatively short, and both communication parties must keep on the same pages about turn-on or turn-off FEC.
  FEC_0_OFF
  FEC_1_ON
  */
  configuration.OPTION.fec = FEC_1_ON;

  /*
  FT_FIXED_TRANSMISSION
  FT_TRANSPARENT_RANSMISSION
  */
  configuration.OPTION.fixedTransmission = FT_FIXED_TRANSMISSION; // Transmission mode
  
  /* Using internal pull-up resistors may make external redundant 
  IO_D_MODE_OPEN_COLLECTOR
  IO_D_MODE_PUSH_PULLS_PULL_UPS
  */
  configuration.OPTION.ioDriveMode = IO_D_MODE_PUSH_PULLS_PULL_UPS;

  /* for E32_TTL_1W
  POWER_xxx with xxx = power in dBm
  E32_TTL_100: xxx = 20, 17, 14, 10
  E32_TTL_500: xxx = 27, 24, 21, 18
  E32_TTL_1W : xxx = 30, 27, 24, 21
  E32_TTL_2W : xxx = 33, 30, 27, 24
  */
  configuration.OPTION.transmissionPower = POWER_30; // Device power

  /* WOR period is called WAKE_UP time here
  WAKE_UP_xxx with xxx = Wake-Up Period
  xxx = 250, 500. 750, 1000, 1250, 1500, 1750, 2000
  */
  configuration.OPTION.wirelessWakeupTime = WAKE_UP_1250; 

  /*
  AIR_DATA_RATE_000_03     0.3 kb/s
  AIR_DATA_RATE_001_12     1.2 kb/s
  AIR_DATA_RATE_010_24     2.4 kb/s
  AIR_DATA_RATE_011_48     4.8 kb/s
  AIR_DATA_RATE_100_96     9.6 kb/s
  AIR_DATA_RATE_101_192   19.2 kb/s
  AIR_DATA_RATE_110_192   19.2 kb/s
  AIR_DATA_RATE_111_192   19.2 kb/s 
  */
  configuration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate

  /*
  UART_BPS_RATE_xxx with xxx = Baudrate
  xxx = 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
  */
  configuration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate

  // Set configuration changed and set to hold the configuration
  ResponseStatus rs = e32ttl.setConfiguration(configuration, WRITE_CFG_PWR_DWN_SAVE); // WRITE_CFG_PWR_DWN_LOSE to not save permanently

  Serial.println(rs.getResponseDescription());
  Serial.println(rs.code);
  c.close();
}