6AMPASTE

bool trigger = false;

unsigned long previousMillisReset = 0;        // will store last time LED was updated
const long intervalReset = 20000;

unsigned long previousMillis = 0;        // will store last time LED was updated
const long interval = 1000;

unsigned long previousResetMillis = 0;
bool resetNow = false;

#include <ESP8266TelnetClient.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

IPAddress mikrotikRouterIp (192, 168, 22, 1);

const char* user = "admin";
const char* pwd = "Secreto#020202";
const char* ssid = "MikroTik Wifi";
const char* password = "Secreto#020202";
String M_command;

ESP8266WiFiMulti WiFiMulti;
WiFiClient client;

ESP8266telnetClient tc(client);


LiquidCrystal_I2C lcd(0x27, 20, 4);
int costc = 420; //


int coinCount = 0;
int y = 0;
byte hourr = 0;
byte minn = 0;
byte secc = 0;
byte dayy = 0;
int temp = 0;
int startTime = 0;
int userCode = 0;
int cantWaitTheCode = 0;
int checkTime = 0;
char const *c;

void ICACHE_RAM_ATTR coinAccept()
{
  coinCount++;
  digitalWrite(LED_BUILTIN, LOW);
}

void ICACHE_RAM_ATTR buttonPush()
{

  if (coinCount > 0)
    //if(coinCounnt >= 0)
  {
    cantWaitTheCode = 1;
  }

  else if (coinCount == 0)
  {
    cantWaitTheCode = 3;
  }

}



void setup()
{
  Serial.begin(9600);
  WiFi.mode(WIFI_STA);
  WiFiMulti.addAP(ssid, password);
  attachInterrupt(D5, coinAccept, RISING);
  attachInterrupt(D6, buttonPush, RISING);
  pinMode(D5, INPUT);
  pinMode(D5, INPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  //pinMode(D7, OUTPUT);

  lcd.begin();
  displayMainMessage();
  digitalWrite(LED_BUILTIN, HIGH);
  delay(1000);

  //  Serial.println();
  //  Serial.println();
  //  Serial.println("Wait for WI-Fi...");
  while (WiFiMulti.run() != WL_CONNECTED)
  {
    //    Serial.print(".");
    delay(500);
  }

  //  Serial.println("");
  //  Serial.println("WiFi connected");
  //  Serial.print("IP Address : ");
  //  Serial.println(WiFi.localIP());
  //  Serial.println("Connecting....");


  tc.setPromptChar('>');
  //manual login pagka may problema
  char key = 0;
  Serial.println("\r\npress enter to begin:");
  do
  {
    key = Serial.read();
    Serial.println(key);
  }

  //automatic login
  while (key <= 0);

  tc.login(mikrotikRouterIp, user, pwd);

}

void loop()
{

  checkCondition();
  displayInsertCoin();
  // res();
  clearLcd();
}

void displayMainMessage()
{
  cantWaitTheCode = 0;
  y = 0;
  lcd.setCursor(0, 0);
  lcd.print(F("Jhundeck Wi-fi Vendo"));
  lcd.setCursor(0, 1);
  lcd.print(F("Jhundeck Wi-fi Vendo"));
  lcd.setCursor(0, 2);
  lcd.print(F("Jhundeck Wi-fi Vendo"));
  lcd.setCursor(0, 3);
  lcd.print(F("Jhundeck Wi-fi Vendo"));
}



void displayInsertCoin()
{
  if (coinCount >= 1)
  {
    lcd.setCursor(0, 0);
    lcd.print(F("Insert Coins :      "));
    lcd.setCursor(0, 1);
    lcd.print(F("Coin Value is       " ));
    lcd.setCursor(0, 2);
    lcd.print(coinCount);
    lcd.print(F("                  "));
    temp = coinCount * costc; // ilang minute yung piso
    hourr = floor(temp / 3600);
    temp %= 3600; //temp = temp%3600
    minn = floor (temp / 60);
    secc = temp % 60;
    dayy = floor(hourr / 24);
    lcd.setCursor(0, 3);
    lcd.print(dayy);
    lcd.print(F("D:"));
    lcd.print(hourr);
    lcd.print(F("H:"));
    lcd.print(minn);
    lcd.print(F("M:"));
    lcd.print(secc);
    lcd.print(F("S"));
    lcd.print(F("        "));
  }
}


void checkCondition()
{
  digitalWrite(LED_BUILTIN, HIGH);
  if (coinCount > 0)
  {
    displayInsertCoin();
    if (coinCount > 0 && cantWaitTheCode == 1)
    {
      Serial.println("the value is:");
      Serial.println(coinCount);
      temp = coinCount * costc; // ilang minute yung piso
      hourr = floor(temp / 3600);
      temp %= 3600; //temp = temp%3600
      minn = floor (temp / 60);
      secc = temp % 60;
      dayy = floor(hourr / 24);
      userCode = random(10000, 99999);  //ITO YUNG PAPALITAN, LEFT = LOWEST, RIGHT = UPPER
      M_command += "/ip hotspot user add name=";
      M_command += userCode;
      M_command += " limit-uptime=";
      M_command += temp;
      int command_len = M_command.length() + 1;
      char M_F_command[command_len];
      M_command.toCharArray(M_F_command, command_len);
      tc.sendCommand(M_F_command);
      lcd.setCursor(0, 0);
      lcd.print(F("CODE :              "));
      lcd.setCursor(0, 1);
      lcd.print(userCode);
      lcd.setCursor(7, 1);
      lcd.print(F("            "));
      lcd.setCursor(0, 2);
      lcd.print(F("Valid for           "));
      lcd.setCursor(0, 3);
      lcd.print(dayy);
      lcd.print(F("D:"));
      lcd.print(hourr);
      lcd.print(F("H:"));
      lcd.print(minn);
      lcd.print(F("M:"));
      lcd.print(secc);
      lcd.print(F("S"));
      lcd.print(F("        "));
      M_command = "";
      memset(M_F_command , 0, sizeof(M_F_command ));
      trigger = true;
      coinCount = 0;
      cantWaitTheCode = 2;
    }
  }
}

void clearLcd()
{

  if (cantWaitTheCode == 2 && coinCount == 0)
  {
    unsigned long currentMillis = millis();
    if (currentMillis - previousMillisReset >= intervalReset)
    {
      previousMillisReset = currentMillis;
      cantWaitTheCode = 0;
      lcd.clear();
      trigger = false;
      displayMainMessage();
    }
  }
  else if (cantWaitTheCode == 3 && trigger == true)
  {
    cantWaitTheCode = 0;
    lcd.clear();

    trigger = false;
    displayMainMessage();
  }
}