/* --------------------------- */ /* LED */ /* --------------------------- */ /* Imports / Declarations */ #include #include /* The devicetree node identifier for the "led0" alias. */ #define LED0_NODE DT_ALIAS(led0) /* * A build error on this line means your board is unsupported. * See the sample documentation for information on how to fix this. */ static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios); /* Functions */ int initialize_led(void) { int ret; if (!gpio_is_ready_dt(&led)) { return 0; } ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE); if (ret < 0) { return 0; } } int blink_led(int blink_delay) { int ret; while (1) { ret = gpio_pin_toggle_dt(&led); if (ret < 0) { return 0; } k_msleep(blink_delay); } return 0; } /* Example: int main(void) { initialize_led(); blink_led(10000); # Millis return 0; } */