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

#define BUZZER_PIN 0
void buzzer_init(void){
    gpio_init(BUZZER_PIN);
    gpio_set_dir(BUZZER_PIN, GPIO_OUT);
}
void buzzer_on(void){
    gpio_put(BUZZER_PIN, 1);
}

void buzzer_off(void){
    gpio_put(BUZZER_PIN, 0);
}

void buzzer_beep(uint8_t num){
    if( num <= 0 || num > 255){
        num = 1;
    }
    // beep 
    for (uint8_t i = 0; i <= num; i++){
        gpio_put(BUZZER_PIN, 1);
        sleep_ms(200);
        gpio_put(BUZZER_PIN, 0);
        sleep_ms(200);
    }
}
int main() {
  stdio_init_all();

  buzzer_init();

  while (true) {
    printf("Hello, Wokwi!\n");
    buzzer_on();
    sleep_ms(250);
    buzzer_off();
    sleep_ms(250);
  }
}