#define LED1 21
#define LED2 22
#define Button 27

hw_timer_t *Timer0_Cfg = NULL;
hw_timer_t *Timer1_Cfg = NULL;
uint8_t count=0;
void IRAM_ATTR Timer0_ISR()
{
   digitalWrite(LED1, !digitalRead(LED1));
}
void IRAM_ATTR Timer1_ISR()
{
    digitalWrite(LED2, !digitalRead(LED2));
}
void setup()
{
  Serial.begin(115200);  // Allows serial monitor output (check baud rate)
     pinMode(LED1, OUTPUT);
    pinMode(LED2, OUTPUT);
    //digitalWrite(LED1,HIGH);
    // Initilise the timer.
  // Parameter 1 is the timer we want to use. Valid: 0, 1, 2, 3 (total 4 timers)
  // Parameter 2 is the prescaler. The ESP32 default clock is at 80MhZ. The value "80" will
  // divide the clock by 80, giving us 1,000,000 ticks per second.
  // Parameter 3 is true means this counter will count up, instead of down (false).
    Timer0_Cfg = timerBegin(0, 80, true); //timer0
    Timer1_Cfg = timerBegin(1, 80, true); // timer 1
    timerAttachInterrupt(Timer0_Cfg, &Timer0_ISR, true);
    timerAttachInterrupt(Timer1_Cfg, &Timer1_ISR, true);
 
    // This is where we indicate the frequency of the interrupts.
  // The value "1000000" (because of the prescaler we set in timerBegin) will produce
  // one interrupt every second.
  // The 3rd parameter is true so that the counter reloads when it fires an interrupt, and so we
  // can get periodic interrupts (instead of a single interrupt).
    //timerAlarmWrite(Timer0_Cfg, 1000000, true);
   // timerAlarmEnable(Timer0_Cfg);
  //   timerAlarmWrite(Timer1_Cfg, 1000000, true);
  //  timerAlarmEnable(Timer1_Cfg);
}
void loop()
{
   byte buttonStat= digitalRead(Button); // Do Nothing! P
   Serial.print("button's status= "); Serial.print(buttonStat);
   if(buttonStat)
    {timer0start(10); 
     count++;
    }
    // if(count>0)
    //  {while(1);}
}

void timer0start(uint8_t sec)
{
 
uint16_t divVal= 1000000; // we will need to change 50000 to a value to setup the resut in msec correctly
timerAlarmWrite(Timer0_Cfg, 1000000, true);
 timerAlarmEnable(Timer0_Cfg);
}