feat: 迁移主应用程序以使用CAF架构

- 在prj.conf中启用CAF、堆内存池、日志和断言配置
- 将main.c重构为使用应用事件管理器和模块状态事件
- 移除GPIO LED闪烁功能，改为初始化事件管理系统
- 添加日志模块注册和错误处理

prj.conf

@@ -1 +1,4 @@
-CONFIG_GPIO=y
+CONFIG_CAF=y
+CONFIG_HEAP_MEM_POOL_SIZE=2048
+CONFIG_LOG=y
+CONFIG_ASSERT=y

src/main.c

@@ -1,48 +1,18 @@
-/*
+#include <app_event_manager.h>
- * Copyright (c) 2016 Intel Corporation
- *
- * SPDX-License-Identifier: Apache-2.0
- */
 
-#include <stdio.h>
+#define MODULE main
-#include <zephyr/kernel.h>
+#include <caf/events/module_state_event.h>
-#include <zephyr/drivers/gpio.h>
 
-/* 1000 msec = 1 sec */
+#include <zephyr/logging/log.h>
-#define SLEEP_TIME_MS   1000
+LOG_MODULE_REGISTER(MODULE);
-
-/* 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);
 
 int main(void)
 {
-	int ret;
+    if (app_event_manager_init()) {
-	bool led_state = true;
+        LOG_ERR("Application Event Manager not initialized");
-
+    } else {
-	if (!gpio_is_ready_dt(&led)) {
+        module_set_state(MODULE_STATE_READY);
-		return 0;
     }
 
-	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
-	if (ret < 0) {
-		return 0;
-	}
-
-	while (1) {
-		ret = gpio_pin_toggle_dt(&led);
-		if (ret < 0) {
-			return 0;
-		}
-
-		led_state = !led_state;
-		printf("LED state: %s\n", led_state ? "ON" : "OFF");
-		k_msleep(SLEEP_TIME_MS);
-	}
     return 0;
 }