Ebyte E220 Remote battery switch controlled by web request.

E220_Remote_Switch_Sender.ino

//E220_Remote_Switch_Sender.ino
//Ebyte E220 library by Xreef
//See library downloads for each library license.

//Project uses two, Ebyte E220-900T30D Transcivers, two, ESP32 Devkit v1,  KY002S Mosfet Switch, and INA226 Battery monitor.

/* E220 to ESP32 Wiring   (4.7K, Pullup resistors on TX, RX, and AUX)

E220		  	----- esp32			
 * M0       ----- 19 (or GND) 	
 * M1       ----- 21 (or GND) 	
 * TX       ----- RX2 (PullUP)	
 * RX       ----- TX2 (PullUP)	
 * AUX      ----- 18  (PullUP)	
 * VCC      ----- 3.3v/5v		
 * GND      ----- GND			

*/

// With FIXED SENDER configuration
#define DESTINATION_ADDL 3

#include <Arduino.h>
#include "WiFi.h"
#include <WiFiUdp.h>
#include <HTTPClient.h>
#include <time.h>
#include "LoRa_E220.h"
#include <AsyncTCP.h>
#include "ESPAsyncWebServer.h"
#include <esp_sleep.h>
#include <Ticker.h>

#import "index7.h"  //Video feed HTML; do not remove

#define FREQENCY_915

#define AUX_PIN 18

WiFiClient client;

///Are we currently connected?
boolean connected = false;

WiFiUDP udp;
// local port to listen for UDP packets
const int udpPort = 1337;
char incomingPacket[255];
char replyPacket[] = "Hi there! Got the message :-)";
//NTP Time Servers
const char *udpAddress1 = "pool.ntp.org";
const char *udpAddress2 = "time.nist.gov";

String dtStamp;

#define TZ "EST+5EDT,M3.2.0/2,M11.1.0/2"

int DOW, MONTH, DATE, YEAR, HOUR, MINUTE, SECOND;

char daysOfTheWeek[7][12] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };

char strftime_buf[64];

// ---------- esp32 pins --------------
LoRa_E220 e220ttl(&Serial2, 18, 21, 19);  //  RX AUX M0 M1

//LoRa_E220 e220ttl(&Serial2, 22, 4, 18, 21, 19, UART_BPS_RATE_9600); //  esp32 RX <-- e220 TX, esp32 TX --> e220 RX AUX_PIN M0 M1
// -------------------------------------

#define AUX_PIN 18

#define RXD1 16
#define TXD1 17

// Replace with your network details
const char *ssid = "XXXXXXX";
const char *password = "XXXXXXXXX";

AsyncWebServer server(80);

int data = 2;

// Struct to hold date and time components
struct DateTime {
  int year;
  int month;
  int day;
  int hour;
  int minute;
  int second;
};

// Define the maximum length for the timestamp
const int MAX_TIMESTAMP_LENGTH = 30;

struct Message {
  int switchState;
  char timestamp[MAX_TIMESTAMP_LENGTH];
} message;

Ticker oneTick;
Ticker onceTick;

String linkAddress = "xxx.xxx.xxx.xxx:80";

portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;

volatile int watchdogCounter;
int totalwatchdogCounter;
int cameraPowerOff = 0;
int watchDog;

void ISRwatchdog() {

  portENTER_CRITICAL_ISR(&mux);

  watchdogCounter++;

  if (watchdogCounter >= 75) {

    watchDog = 1;
  }

  portEXIT_CRITICAL_ISR(&mux);
}

int cameraFlag;
int needAnotherCountdown = 0;


void ISRcamera() {
  batteryOff();
}

bool got_interrupt = false;

void interruptHandler() {
  got_interrupt = true;
}  // interruptHandler

void setup() {

  Serial.begin(9600);
  delay(500);

  Serial2.begin(9600, SERIAL_8N1, RXD1, TXD1);  // for LoRa E220  delay(500);

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

  e220ttl.setMode(MODE_0_NORMAL);

  Serial.println("\nHi, I'm going to send WOR message!");

  // Send message
  //Do not see this returned
  ResponseStatus rs = e220ttl.sendFixedMessage(0, DESTINATION_ADDL, 66, "\nHello, world? WOR!");
  
  // Check If there is some problem of succesfully send
  Serial.println(rs.getResponseDescription());

  e220ttl.setMode(MODE_1_WOR_TRANSMITTER);

  Serial.println("\n\n\nWebserver and");
  Serial.println("E220-900T30D Remote Switch\n");

  wifi_Start();

  configTime(0, 0, "pool.ntp.org", "time.nist.gov");
  // See https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv for Timezone codes for your region
  setenv("TZ", "EST+5EDT,M3.2.0/2,M11.1.0/2", 3);  // this sets TZ to Indianapolis, Indiana

  attachInterrupt(digitalPinToInterrupt(AUX_PIN), interruptHandler, FALLING);

  server.on("/relay", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send_P(200, PSTR("text/html"), HTML7, processor7);
    data = 1;
    needAnotherCountdown = 1;
    countdownTrigger();
  });

  server.begin();

  oneTick.attach(1.0, ISRwatchdog);  //watchdog  ISR triggers every 1 second
}

void loop() {

  DateTime currentDateTime = getCurrentDateTime();

  if ((currentDateTime.minute % 15 == 0) && (currentDateTime.second == 0)) {
    //webInterface();  //Sends URL Get request to wake up Radio and ESP32 at 1 minute interval
    // URL = http://10.0.0.27/relay
    //delay(1000);
  }

  //udp only send data when connected
  if (connected) {

    //Send a packet
    udp.beginPacket(udpAddress1, udpPort);
    udp.printf("Seconds since boot: %u", millis() / 1000);
    udp.endPacket();
  }

  // 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.status.getResponseDescription());
      Serial.println(rc.data);
    }
  }

  if (Serial.available()) {
    message.switchState = data;
    message.switchState = Serial.parseInt();

    // Send message
    ResponseStatus rs = e220ttl.sendFixedMessage(0, 2, 66, &message, sizeof(Message));

    // Check If there is some problem of succesfully send
    Serial.println(rs.getResponseDescription());
  }
}

int main() {
  // Create an instance of the Message struct
  Message message;

  // Get the timestamp using the get_time function and assign it to the struct member
  String timestamp = get_time();
  timestamp.toCharArray(message.timestamp, MAX_TIMESTAMP_LENGTH);

  // Now you can use message.timestamp as needed...

  return 0;
}

String processor7(const String &var) {

  //index7.h

  if (var == F("LINK"))
    return linkAddress;

  return String();
}

void batteryOff() {
  int data = 2;
  switchOne(data);
  oneTick.detach();
}

void configTime() {

  configTime(0, 0, udpAddress1, udpAddress2);
  setenv("TZ", "EST+5EDT,M3.2.0/2,M11.1.0/2", 3);  // this sets TZ to Indianapolis, Indiana
  tzset();

  //udp only send data when connected
  if (connected) {

    //Send a packet
    udp.beginPacket(udpAddress1, udpPort);
    udp.printf("Seconds since boot: %u", millis() / 1000);
    udp.endPacket();
  }

  Serial.print("wait for first valid timestamp");

  while (time(nullptr) < 100000ul) {
    Serial.print(".");
    delay(5000);
  }

  Serial.println("\nSystem Time set\n");

  get_time();

  Serial.println(message.timestamp);
}

void countdownTrigger() {
  // Perform countdown actions here
  Serial.println("\nCountdown timer triggered!\n");
  //getDateTime();
  // Schedule the next countdown if needed
  if (needAnotherCountdown == 1) {
    onceTick.once(120, ISRcamera);
    int data = 1;
    switchOne(data);
    needAnotherCountdown = 0;
  }
}

// Function to get current date and time
DateTime getCurrentDateTime() {
  DateTime currentDateTime;
  time_t now = time(nullptr);
  struct tm *ti = localtime(&now);

  // Extract individual components
  currentDateTime.year = ti->tm_year + 1900;
  currentDateTime.month = ti->tm_mon + 1;
  currentDateTime.day = ti->tm_mday;
  currentDateTime.hour = ti->tm_hour;
  currentDateTime.minute = ti->tm_min;
  currentDateTime.second = ti->tm_sec;

  return currentDateTime;
}

// Function to get the timestamp
String get_time() {

  time_t now;
  time(&now);
  char time_output[MAX_TIMESTAMP_LENGTH];
  strftime(time_output, MAX_TIMESTAMP_LENGTH, "%a  %m/%d/%y   %T", localtime(&now));
  return String(time_output);  // returns timestamp in the specified format
}

void switchOne(int data) {

  if (data == 1) {
    int data = 1;
    Serial.println("\nBattery Switch is ON");
    Serial.println("ESP32 waking from Deep Sleep\n");
  }

  if (data == 2) {
    int data = 2;
    Serial.println("\nBattery power switched OFF");
    Serial.println("ESP32 going to Deep Sleep\n");
  }

  Serial.println("Hi, I'm going to send message!");

  get_time();

  Message message;

  //initialize struct members
  message.switchState = data;

  // Initialize the timestamp
  String timestamp = get_time();
  timestamp.toCharArray(message.timestamp, MAX_TIMESTAMP_LENGTH);

  Serial.print("TimeStamp:  ");
  Serial.println(message.timestamp);

  // Send message
  ResponseStatus rs = e220ttl.sendFixedMessage(0, DESTINATION_ADDL, 66, &message, sizeof(Message));
  // Check If there is some problem of succesfully send
  Serial.println(rs.getResponseDescription());
}

void webInterface() {

  //getTimeDate();

  String data = "http://10.0.0.27/relay";

  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;  // Declare object of class HTTPClient

    http.begin(data);  // Specify request destination

    // No need to add content-type header for a simple GET request

    int httpCode = http.GET();  // Send the GET request

    if (httpCode == HTTP_CODE_OK) {
      String payload = http.getString();  // Get the response payload

      Serial.print("HttpCode: ");
      Serial.print(httpCode);  // Print HTTP return code
      Serial.println("\n");
      //Serial.print("  Data echoed back from Hosted website: ");
      //Serial.println(payload);  // Print payload response

      http.end();  // Close HTTPClient
    } else {
      Serial.print("HttpCode: ");
      Serial.print(httpCode);  // Print HTTP return code
      Serial.println("  URL Request failed.");

      http.end();  // Close HTTPClient
    }
  } else {
    Serial.println("Error in WiFi connection");
  }
}


void wifi_Start() {

//Server settings
#define ip { 10, 0, 0, 27 }
#define subnet \
  { 255, 255, 255, 0 }
#define gateway \
  { 10, 0, 0, 1 }
#define dns \
  { 10, 0, 0, 1 }

  WiFi.mode(WIFI_AP_STA);

  Serial.println();
  Serial.print("MAC: ");
  Serial.println(WiFi.macAddress());

  // We start by connecting to WiFi Station
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);
  delay(1000);

  //setting the static addresses in function "wifi_Start
  IPAddress ip;
  IPAddress gateway;
  IPAddress subnet;
  IPAddress dns;

  WiFi.config(ip, gateway, subnet, dns);

  Serial.println("Web server running. Waiting for the ESP32 IP...");

  // Printing the ESP IP address
  Serial.print("Server IP:  ");
  Serial.println(WiFi.localIP());
  Serial.print("Port:  ");
  Serial.println("80");
  Serial.print("MAC: ");
  Serial.println(WiFi.macAddress());
  Serial.print("Wi-Fi Channel: ");
  Serial.println(WiFi.channel());
  Serial.println("\n");

  delay(500);

  WiFi.waitForConnectResult();

  Serial.printf("Connection result: %d\n", WiFi.waitForConnectResult());

  server.begin();


  if (WiFi.waitForConnectResult() != 3) {
    delay(3000);
    wifi_Start();
  }
}

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("----------------------------------------");
}

WOR_with_Deep_Sleep_Receiver_II.ino

//WOR_with_Deep_Sleep_Receiver_II.ino

/*
 * EBYTE LoRa E220
 * Stay in sleep mode and wait a wake up WOR message
 *
 * You must configure the address with 0 3 66 with WOR receiver enable
 * and pay attention that WOR period must be the same of sender
 *
 *
 * https://mischianti.org
 *
 * E32        ----- esp32
 * M0         ----- 19 (or 3.3v)
 * M1         ----- 21 (or GND)
 * RX         ----- TX2 (PullUP)
 * TX         ----- RX2 (PullUP)
 * AUX        ----- 18  (PullUP)
 * VCC        ----- 3.3v/5v
 * GND        ----- GND
 *
 */

// with this DESTINATION_ADDL 2 you must set
// WOR SENDER configuration to the other device and
// WOR RECEIVER to this device
#define DESTINATION_ADDL 2 

// If you want use RSSI uncomment //#define ENABLE_RSSI true
// and use relative configuration with RSSI enabled
//#define ENABLE_RSSI true

#include "Arduino.h"
#include "LoRa_E220.h"
#include <WiFi.h>
#include <time.h>
#include <FS.h>
#include <LittleFS.h>
#include "esp_system.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/rtc.h"
#include "driver/rtc_io.h"
#include <INA226_WE.h>
#include <Wire.h>

#define FREQUENCY_915

#define AUX_PIN GPIO_NUM_18

#define RXD1 16
#define TXD1 17

// Define the maximum length for the timestamp
const int MAX_TIMESTAMP_LENGTH = 30;

char dtStamp[MAX_TIMESTAMP_LENGTH];

struct Message {
  int switchState;
  char timestamp[MAX_TIMESTAMP_LENGTH];
} message;

#define FPM_SLEEP_MAX_TIME 0xFFFFFFF
void callback() {
  Serial.println("Callback");
  Serial.flush();
}

void print_wakeup_reason() {
  esp_sleep_wakeup_cause_t wakeup_reason;

  wakeup_reason = esp_sleep_get_wakeup_cause();

  switch (wakeup_reason) {
    case ESP_SLEEP_WAKEUP_EXT0: Serial.println("\nWakeup caused by external signal using RTC_IO"); break;
    case ESP_SLEEP_WAKEUP_EXT1: Serial.println("\nWakeup caused by external signal using RTC_CNTL"); break;
    case ESP_SLEEP_WAKEUP_TIMER: Serial.println("\nWakeup caused by timer"); break;
    case ESP_SLEEP_WAKEUP_TOUCHPAD: Serial.println("\nWakeup caused by touchpad"); break;
    case ESP_SLEEP_WAKEUP_ULP: Serial.println("\nWakeup caused by ULP program"); break;
    default: Serial.printf("\nWakeup was not caused by deep sleep: %d\n", wakeup_reason); break;
  }
}

int data;

bool interruptExecuted = false;

void IRAM_ATTR wakeUp() {
  // Do not use Serial on interrupt callback
  interruptExecuted = true;
  detachInterrupt(AUX_PIN);
}

void printParameters(struct Configuration configuration);

// ---------- esp8266 pins --------------
//LoRa_E32 e220ttl(RX, TX, AUX, M0, M1);  // Arduino RX <-- e22 TX, Arduino TX --> e22 RX
//LoRa_E32 e220ttl(D3, D4, D5, D7, D6); // Arduino RX <-- e22 TX, Arduino TX --> e22 RX AUX M0 M1
//LoRa_E32 e220ttl(D2, D3); // Config without connect AUX and M0 M1

//#include <SoftwareSerial.h>
//SoftwareSerial mySerial(D2, D3); // Arduino RX <-- e22 TX, Arduino TX --> e22 RX
//LoRa_E32 e220ttl(&mySerial, D5, D7, D6); // AUX M0 M1
// -------------------------------------

// ---------- Arduino pins --------------
//LoRa_E32 e220ttl(4, 5, 3, 7, 6); // Arduino RX <-- e22 TX, Arduino TX --> e22 RX AUX M0 M1
//LoRa_E32 e220ttl(4, 5); // Config without connect AUX and M0 M1

//#include <SoftwareSerial.h>
//SoftwareSerial mySerial(4, 5); // Arduino RX <-- e22 TX, Arduino TX --> e22 RX
//LoRa_E32 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
// -------------------------------------

// ---------- esp32 pins --------------
LoRa_E220 e220ttl(&Serial2, 18, 21, 19);  //  RX AUX M0 M1

//LoRa_E32 e220ttl(&Serial2, 22, 4, 18, 21, 19, UART_BPS_RATE_9600); //  esp32 RX <-- e22 TX, esp32 TX --> e22 RX AUX M0 M1
// -------------------------------------

void enterDeepSleep() {
  gpio_hold_en(GPIO_NUM_19);
  gpio_hold_en(GPIO_NUM_21);
  esp_sleep_enable_ext0_wakeup(GPIO_NUM_18, LOW);
  gpio_deep_sleep_hold_en();
  Serial.println("Going to sleep now");
  esp_deep_sleep_start();
  Serial.println("This will never be printed");
}

//The setup function is called once at startup of the sketch
void setup() {
  Serial.begin(9600);
  while (!Serial) {
    ;  // wait for serial port to connect. Needed for native USB
  }

  Serial2.begin(9600, SERIAL_8N1, RXD1, TXD1);  // for LoRa E220  delay(500);

  print_wakeup_reason();

  delay(500);

  attachInterrupt(AUX_PIN, wakeUp, FALLING);

  pinMode(AUX_PIN, INPUT);

  e220ttl.begin();

  e220ttl.setMode(MODE_2_WOR_RECEIVER);

  // After set configuration comment set M0 and M1 to low
  // and reboot if you directly set HIGH M0 and M1 to program

  //If you have ever change configuration you must restore It
  ResponseStructContainer c;
  c = e220ttl.getConfiguration();
  Configuration configuration = *(Configuration*)c.data;
  Serial.println(c.status.getResponseDescription());
  configuration.ADDL = 0x02;  // First part of address
  configuration.ADDH = 0x00;  // Second part

  configuration.CHAN = 66;  // Communication channel

  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;  // Enable repeater mode
  configuration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED;                         // Check interference
  configuration.TRANSMISSION_MODE.WORPeriod = WOR_4000_111;                         // WOR timing
  e220ttl.setConfiguration(configuration, WRITE_CFG_PWR_DWN_SAVE);
  c.close();

  esp_sleep_wakeup_cause_t wakeup_reason;

  wakeup_reason = esp_sleep_get_wakeup_cause();

  if (ESP_SLEEP_WAKEUP_EXT0 == wakeup_reason) {
    Serial.println("Waked up from external GPIO!");

    gpio_hold_dis(GPIO_NUM_21);
    gpio_hold_dis(GPIO_NUM_19);
    gpio_deep_sleep_hold_dis();

    delay(1000);

    //Do not see this returned
    e220ttl.sendFixedMessage(0, 3, 66, "We have waked up from message, but we can't read It!");  
  }

  //e220ttl.setMode(MODE_0_NORMAL);
  //delay(1000);
  Serial.println();
  Serial.println("Wake and start listening!");
}

// The loop function is called in an endless loop
void loop() {
  if (e220ttl.available() > 1) {

    //Do not see this returned
    Serial.println("Message arrived!");

    ResponseStructContainer rsc = e220ttl.receiveMessage(sizeof(Message));
    struct Message message = *(Message*)rsc.data;
    Serial.println(message.switchState);
    free(rsc.data);
    rsc.close();
    e220ttl.setMode(MODE_0_NORMAL);
    delay(1000);
    ResponseStatus rsSend = e220ttl.sendFixedMessage(0, 3, 66, "We have received the message!");
    Serial.println(rsSend.getResponseDescription());
    rsc.close();

    //Do not see this returned
    Serial.println("WakeUp Callback, AUX_PIN pin go LOW and start receive message!");

    // Process received message
    if (message.switchState == 1) {
      //digitalWrite(relayPin, HIGH);
      e220ttl.setMode(MODE_0_NORMAL);
      Serial.println("\nBattery power switched ON");
      Serial.println("ESP32 wake from Deep Sleep\n");
    } else if (message.switchState == 2) {
      //digitalWrite(relayPin, LOW);
      Serial.println("\nBattery power switched OFF");
      Serial.println("ESP32 going to Deep Sleep");
      enterDeepSleep();
    }
  }
}

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("----------------------------------------");
}