First commit

drivers/led/led.c

@@ -0,0 +1,46 @@
+#include "led.h"
+#include <zephyr/sys/printk.h>
+
+/* Device tree bindings */
+#define LED0_NODE DT_ALIAS(led0)
+#define LED1_NODE DT_ALIAS(led1)
+
+static const struct gpio_dt_spec led0 = GPIO_DT_SPEC_GET(LED0_NODE, gpios);
+static const struct gpio_dt_spec led1 = GPIO_DT_SPEC_GET(LED1_NODE, gpios);
+
+static struct k_timer led0_timer;
+static struct k_timer led1_timer;
+
+static void led0_timer_handler(struct k_timer *dummy) { gpio_pin_toggle_dt(&led0); }
+static void led1_timer_handler(struct k_timer *dummy) { gpio_pin_toggle_dt(&led1); }
+
+void led_init(void) {
+    if (!device_is_ready(led0.port) || !device_is_ready(led1.port)) {
+        printk("LED devices not ready\n");
+        return;
+    }
+    gpio_pin_configure_dt(&led0, GPIO_OUTPUT_INACTIVE);
+    gpio_pin_configure_dt(&led1, GPIO_OUTPUT_INACTIVE);
+    k_timer_init(&led0_timer, led0_timer_handler, NULL);
+    k_timer_init(&led1_timer, led1_timer_handler, NULL);
+}
+
+void led_set(int led_id, int state) {
+    if (led_id == 0) gpio_pin_set_dt(&led0, state);
+    else if (led_id == 1) gpio_pin_set_dt(&led1, state);
+}
+
+void led_toggle(int led_id) {
+    if (led_id == 0) gpio_pin_toggle_dt(&led0);
+    else if (led_id == 1) gpio_pin_toggle_dt(&led1);
+}
+
+void led_start_blink(int led_id, int interval_ms) {
+    if (led_id == 0) k_timer_start(&led0_timer, K_MSEC(interval_ms), K_MSEC(interval_ms));
+    else if (led_id == 1) k_timer_start(&led1_timer, K_MSEC(interval_ms), K_MSEC(interval_ms));
+}
+
+void led_stop_blink(int led_id) {
+    if (led_id == 0) k_timer_stop(&led0_timer);
+    else if (led_id == 1) k_timer_stop(&led1_timer);
+}

drivers/led/led.h

@@ -0,0 +1,13 @@
+#ifndef LED_H
+#define LED_H
+
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/kernel.h>
+
+void led_init(void);
+void led_set(int led_id, int state);
+void led_toggle(int led_id);
+void led_start_blink(int led_id, int interval_ms);
+void led_stop_blink(int led_id);
+
+#endif // LED_H