#include <stdio.h>
#include "pico/stdlib.h"

#define LED_PIN 15  // GPIO 15 corresponds to physical pin 20

void blink_led(int times) {
    for (int i = 0; i < times; i++) {
        gpio_put(LED_PIN, 1);  // Turn on the LED
        sleep_ms(500);         // Delay for 500 milliseconds (2 seconds)
        gpio_put(LED_PIN, 0);  // Turn off the LED
        sleep_ms(500);         // Delay for 500 milliseconds (2 seconds)
    }
}

int main() {
    gpio_init(LED_PIN);  // Initialize the GPIO pin for the LED
    gpio_set_dir(LED_PIN, GPIO_OUT);  // Set the LED pin as output

    int blink_times = 0;
    unsigned long start_time = time_us_64();

    while (1) {
        unsigned long current_time = time_us_64();
        unsigned long elapsed_time = current_time - start_time;
        unsigned long elapsed_minutes = elapsed_time / 60000000;

        if (elapsed_minutes == 0 && blink_times < 10) {
            blink_led(1);  // Blink the LED once
            blink_times++;
        } else if (elapsed_minutes == 1 && blink_times < 30) {
            blink_led(1);  // Blink the LED once
            blink_times++;
        } else if (elapsed_minutes == 2 && blink_times < 60) {
            blink_led(1);  // Blink the LED once
            blink_times++;
        }

        // Reset the start time and blink count at the beginning of each minute
        if (elapsed_minutes > 2) {
            start_time = current_time;
            blink_times = 0;
        }
    }

    return 0;
}