Seriol output

Question

I am following along this example on your website: Exercise 1 - Nordic Developer Academy, and currently trying to complete this excercise: Exercise 1 - Nordic Developer Academy
I tried it with a nRF52840 dongle, which worked fine. Then I started trying to go through the same steps with the nRF52840 DK, but I am unsuccesfull in getting any output shown to my VCOM, which I am selecting via the vs code extension. I can connect fine without any issues, but I do not get the message: *** Booting nRF Connect SDK.

I am using nRF Connect SDK toolchain v2.9.1.

Fullscreen 177858.main.c Download

/*
 * Copyright (c) 2016 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/devicetree.h>
#include <zephyr/drivers/gpio.h>
/* STEP 6 - Include the header file of printk */
#include <zephyr/sys/printk.h>
/* STEP 8.1 - Define the macro MAX_NUMBER_FACT that represents the maximum number to calculate its
 * factorial  */

#define SLEEP_TIME_MS 10 * 60 * 1000

#define SW0_NODE DT_ALIAS(sw0)
static const struct gpio_dt_spec button = GPIO_DT_SPEC_GET(SW0_NODE, gpios);

#define LED0_NODE DT_ALIAS(led0)
static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios);

/* STEP 8.2 - Replace the button callback function */
void button_pressed(const struct device *dev, struct gpio_callback *cb, uint32_t pins)
{
	gpio_pin_toggle_dt(&led);
}

static struct gpio_callback button_cb_data;

int main(void)
{
	int ret;
	/* STEP 7 - Print a simple banner */
	printk("nRF Connect SDK Fundamentals - Lesson 4 - Exercise 1\n");
	/* Only checking one since led.port and button.port point to the same device, &gpio0 */
	if (!device_is_ready(led.port)) {
		return -1;
	}

	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
	if (ret < 0) {
		return -1;
	}

	ret = gpio_pin_configure_dt(&button, GPIO_INPUT);
	if (ret < 0) {
		return -1;
	}

	ret = gpio_pin_interrupt_configure_dt(&button, GPIO_INT_EDGE_TO_ACTIVE);

	gpio_init_callback(&button_cb_data, button_pressed, BIT(button.pin));

	gpio_add_callback(button.port, &button_cb_data);
	while (1) {
		k_msleep(SLEEP_TIME_MS);
	}
}