feat: 智能家居控制系统 v1.0 初始版本

- 环境监测：温湿度/光照/空气质量传感器采集
- 智能控制：时间段/降温/通风三种自动模式
- 闹钟系统：3个闹钟+温和唤醒功能
- 远程控制：MQTT双向通信
- 本地显示：LVGL图形界面
- 双MCU架构，FreeRTOS 10任务并行
- 完整的1250行README文档

components/protocol_examples_common/CMakeLists.txt

@@ -0,0 +1,52 @@
+idf_build_get_property(target IDF_TARGET)
+
+if(${target} STREQUAL "linux")
+    # Header only library for linux
+
+    idf_component_register(INCLUDE_DIRS include
+                           SRCS protocol_examples_utils.c)
+    return()
+endif()
+
+set(srcs "stdin_out.c"
+         "addr_from_stdin.c"
+         "connect.c"
+         "wifi_connect.c"
+         "protocol_examples_utils.c")
+
+if(CONFIG_EXAMPLE_PROVIDE_WIFI_CONSOLE_CMD)
+    list(APPEND srcs "console_cmd.c")
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_ETHERNET)
+    list(APPEND srcs "eth_connect.c")
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_THREAD)
+    list(APPEND srcs "thread_connect.c")
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_PPP)
+    list(APPEND srcs "ppp_connect.c")
+endif()
+
+
+idf_component_register(SRCS "${srcs}"
+                       INCLUDE_DIRS "include"
+                       PRIV_REQUIRES esp_netif esp_driver_gpio esp_driver_uart esp_wifi vfs console esp_eth openthread)
+
+if(CONFIG_EXAMPLE_PROVIDE_WIFI_CONSOLE_CMD)
+    idf_component_optional_requires(PRIVATE console)
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_ETHERNET)
+    idf_component_optional_requires(PUBLIC esp_eth)
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_THREAD)
+    idf_component_optional_requires(PRIVATE openthread)
+endif()
+
+if(CONFIG_EXAMPLE_CONNECT_PPP)
+    idf_component_optional_requires(PRIVATE esp_tinyusb espressif__esp_tinyusb)
+endif()