qclk/mcu/main.c

#include <stdio.h>

#include "hardware/gpio.h"
#include "pico/stdlib.h"
#include "pico/binary_info.h"

const uint PIN_DIGIT_BASE = 18;
const uint PIN_SEGMENT_BASE = 2;

const uint DIGITS = 4;

int main() {
  bi_decl(bi_program_description("qCLK driver."));

  stdio_init_all();

  gpio_init(LED_PIN);
  gpio_set_dir(LED_PIN, GPIO_OUT);
  while (1) {
    gpio_put(LED_PIN, 0);
    sleep_ms(250);
    gpio_put(LED_PIN, 1);
    puts("Hello World\n");
    sleep_ms(1000);
  }
}