Clock pulse with button interrupt

Projects Programming
1 
#include <Arduino.h>
#include <esp32-hal-timer.h>
// Define the LED pin
const int ledPin = 18;

// Define the button pin
const int buttonPin = 34;
volatile bool button = false;

// Define the timer frequency (10 MHz)
//const int timerFrequency = 10000000;

// Define the timer period (50% duty cycle, 1 Hz)
//const int timerPeriod = timerFrequency / 2;

// Create a timer object
hw_timer_t * timer = NULL;

// Flag to indicate whether the LED is currently blinking
//bool ledBlinking = true;

void IRAM_ATTR onTimer() {
  // Toggle the LED on each timer interrupt
  digitalWrite(ledPin, !digitalRead(ledPin));
}

void buttonInterrupt() 
{
  button =!button;
}

void setup() {
  // Initialize the LED pin as an output
  pinMode(ledPin, OUTPUT);

  // Initialize the button pin as an input with pull-up
  pinMode(buttonPin, INPUT_PULLUP);

  // Create a timer with a frequency of 10 MHz
  timer = timerBegin(0, 8, true);
  timerAttachInterrupt(timer, &onTimer, true);
  attachInterrupt(digitalPinToInterrupt(buttonPin), buttonInterrupt, RISING);
}

void loop() 
{
  // Check for button presses
  if (button) // Debounce the button press) 
  {
  // Start blinking the LED using the timer
  timerAlarmWrite(timer, 500000, true);
  timerAlarmEnable(timer);
  } 
  else 
  {
  // Turn off the LED and disable the timer
  digitalWrite(ledPin, LOW);
  timerAlarmDisable(timer);
  }
}

**

I am not able to generate clock pulse when push the switch.

**

2

And how do you know that?

4

I connected led pin output to oscilloscope.
@Paul_KD7HB