7 segment NTP direkt port interrupt

#include <WiFi.h>         // WiFi library for network
#include <NtpClientLib.h> // NTP Client library fot network time


#define b 0   //b szegmens
#define a 2   //a szegmens
#define f 4   //f szegmens
#define g 5   //g szegmens
#define c 12  //c szegmens
#define d 13  //d szegmens
#define e 14  //e szegmens
#define d1 15
#define d2 16
#define d3 17
#define d4 18
#define dot 19 //dp led

unsigned long szeg[80] = {
0b00001000000000000000, //x0xxx
0b00001001000000000001, //x1xxx
0b00001110000000100101, //x2xxx
0b00001011000000100101, //x3xxx
0b00001001000000110001, //x4xxx
0b00001011000000110100, //x5xxx
0b00001111000000110100, //x6xxx
0b00001001000000000101, //x7xxx
0b00001111000000110101, //x8xxx
0b00001011000000110101, //x9xxx
0b00010111000000010101, //xx0xx
0b00010001000000000001, //xx1xx
0b00010110000000100101, //xx2xx
0b00010011000000100101, //xx3xx
0b00010001000000110001, //xx4xx
0b00010011000000110100, //xx5xx
0b00010111000000110100, //xx6xx
0b00010001000000000101, //xx7xx
0b00010111000000110101, //xx8xx
0b00010011000000110101, //xx9xx
0b00100111000000010101, //xxx0x
0b00100001000000000001, //xxx1x
0b00100110000000100101, //xxx2x
0b00100011000000100101, //xxx3x
0b00100001000000110001, //xxx4x
0b00100011000000110100, //xxx5x
0b00100111000000110100, //xxx6x
0b00100001000000000101, //xxx7x
0b00100111000000110101, //xxx8x
0b00100011000000110101, //xxx9x
0b01000111000000010101, //xxxx1
0b01000001000000000001, //xxxx1
0b01000110000000100101, //xxxx2
0b01000011000000100101, //xxxx3
0b01000001000000110001, //xxxx4
0b01000011000000110100, //xxxx5
0b01000111000000110100, //xxxx6
0b01000001000000000101, //xxxx7
0b01000111000000110101, //xxxx8
0b01000011000000110101, //xxxx9

0b10001000000000000000, //.0xxx
0b10001001000000000001, //.1xxx
0b10001110000000100101, //.2xxx
0b10001011000000100101, //.3xxx
0b10001001000000110001, //.4xxx
0b10001011000000110100, //.5xxx
0b10001111000000110100, //.6xxx
0b10001001000000000101, //.7xxx
0b10001111000000110101, //.8xxx
0b10001011000000110101, //.9xxx
0b10010111000000010101, //.x0xx
0b10010001000000000001, //.x1xx
0b10010110000000100101, //.x2xx
0b10010011000000100101, //.x3xx
0b10010001000000110001, //.x4xx
0b10010011000000110100, //.x5xx
0b10010111000000110100, //.x6xx
0b10010001000000000101, //.x7xx
0b10010111000000110101, //.x8xx
0b10010011000000110101, //.x9xx
0b10100111000000010101, //.xx0x
0b10100001000000000001, //.xx1x
0b10100110000000100101, //.xx2x
0b10100011000000100101, //.xx3x
0b10100001000000110001, //.xx4x
0b10100011000000110100, //.xx5x
0b10100111000000110100, //.xx6x
0b10100001000000000101, //.xx7x
0b10100111000000110101, //.xx8x
0b10100011000000110101, //.xx9x
0b11000111000000010101, //.xxx1
0b11000001000000000001, //.xxx1
0b11000110000000100101, //.xxx2
0b11000011000000100101, //.xxx3
0b11000001000000110001, //.xxx4
0b11000011000000110100, //.xxx5
0b11000111000000110100, //.xxx6
0b11000001000000000101, //.xxx7
0b11000111000000110101, //.xxx8
0b11000011000000110101, //.xxx9
};

const char* ssid     = "WiFi";               // wifi SSD
const char* password = "Password";        // wifi password

String NTPServer = "NTP server";                // NTP server address

int8_t minutesTimeZone = 0;
int8_t timeZone = 1;                              // timezone in central europe (hour)

String ora1, ora2, perc1, perc2, masod, ido;
int ORA1,ORA2, PERC1, PERC2, MIN;
int DELAY =1;
int pont =0;

int tomb[4];
int kiirni=0;
int digit = 0;
int counter = 0;

/* create a hardware timer */
hw_timer_t * timer = NULL;


//------------- Kijelző frissítő interrupt rutin --------------------

void IRAM_ATTR onTimer(){
  kiirni = (tomb[digit] + (10*digit));
  if (counter>=200) kiirni += 40;  //pontot kigyújtani
  if (counter>=400) counter=0;
  REG_WRITE(GPIO_OUT_W1TS_REG, szeg[kiirni]);//GPIO2 HIGH (set)
  REG_WRITE(GPIO_OUT_W1TC_REG, ~szeg[kiirni]);//GPIO2 LOW (clear)
  digit++;
  counter++;
  if (digit>=4) digit=0;
}


void setup()
{
  pinMode(a, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  pinMode(f, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(d1, OUTPUT);
  pinMode(d2, OUTPUT);
  pinMode(d3, OUTPUT);
  pinMode(d4, OUTPUT);
  pinMode(dot, OUTPUT);

  WiFi.begin(ssid, password);             // initialize WiFi

  NTP.begin (NTPServer, timeZone, true, minutesTimeZone); // initialize NTP
  NTP.setInterval (1440000);           // sync interval

/* Use 1st timer of 4 */
  /* 1 tick take 1/(80MHZ/80) = 1us so we set divider 80 and count up */
  timer = timerBegin(0, 80, true);

  /* Attach onTimer function to our timer */
  timerAttachInterrupt(timer, &onTimer, true);

  /* Set alarm to call onTimer function every second 1 tick is 1us
  => 1 second is 1000000us */
  /* Repeat the alarm (third parameter) */
  timerAlarmWrite(timer, 5000, true);   //100Hz

  /* Start an alarm */
  timerAlarmEnable(timer);

}

void loop()
{
    ido = NTP.getTimeDateString ();
    ora1 = (ido.substring(0,1));
    ora2 = (ido.substring(1,2));
    perc1 = (ido.substring(3,4));
    perc2 = (ido.substring(4,5));
    masod = (ido.substring(6,8));
    tomb[0] = ora1.toInt();
    tomb[1] = ora2.toInt();
    tomb[2] = perc1.toInt();
    tomb[3] = perc2.toInt();
    Serial.print(counter);

  delay(1000);
}