/*counting the number of button presses*/

#include <stdio.h>
#include <pico/stdlib.h>
#include <hardware/gpio.h>
#include <pico/time.h>

#define BUTTON_PIN 14       // Define the input pin (button)

uint8_t count = 0;

// Interrupt handler function
void gpio_callback(){
    printf("%d\n", ++count);
    sleep_ms(500);
    //for(volatile uint32_t i = 0; i<1000000; i++);
}

int main(){
    stdio_init_all();       // Initialize stdio for printf output (via USB)

    //Initilize GPIO
    gpio_init(BUTTON_PIN);
    gpio_set_dir(BUTTON_PIN, GPIO_IN);
    gpio_pull_down(BUTTON_PIN);

    // Enable interrupt on rising edge
    gpio_set_irq_enabled_with_callback(BUTTON_PIN, GPIO_IRQ_EDGE_RISE, true, &gpio_callback );

    // Main loop can do other tasks
    while (1) {
        tight_loop_contents(); // low power idle
    }

}