#include #include led_dt_spec status = LED_DT_SPEC_GET(DT_NODELABEL(status_led)); auto main() -> int { printk("hello world %s\n", CONFIG_BOARD); printk("hello world %s\n", CONFIG_BOARD); printk("hello world %s\n", CONFIG_BOARD); printk("hello world %s\n", CONFIG_BOARD); while (true) { printk("hello world\n"); led_on_dt(&status); k_sleep(K_MSEC(1000)); led_off_dt(&status); k_sleep(K_MSEC(1000)); } return 0; }