[components][drivers][wlan] 功能可裁剪

- WLAN 连接信息保存功能可裁剪
- WIFI MSH 命令功能可裁剪
- WLAN 管理功能可裁剪
- WLAN 自动连接功能可裁剪
- WLAN 自动连接时使用最新热点信息
- WLAN 用户事件回调由独立线程调用
- WLAN 独立线程可裁剪
- WLAN 协议管理功能可裁剪
- LWIP 协议层可裁剪
- SCAN 结果支持过滤
- WIFI 阻塞式连接支持多次扫描
- WLAN 新增网卡对象指针
- WLAN 获取信息时更新信号强度
- 其他优化性质改动

components/drivers/wlan/SConscript

@@ -1,8 +1,30 @@
 from building import *
 
 cwd     = GetCurrentDir()
-src     = Glob('*.c')
 CPPPATH = [cwd]
+
+src = Split('''
+        wlan_dev.c
+        ''')
+
+if GetDepend(['RT_WLAN_MANAGE_ENABLE']):
+    src += ['wlan_mgnt.c']
+
+if GetDepend(['RT_WLAN_MSH_CMD_ENABLE']):
+    src += ['wlan_cmd.c']
+
+if GetDepend(['RT_WLAN_PROT_ENABLE']):
+    src += ['wlan_prot.c']
+
+if GetDepend(['RT_WLAN_PROT_LWIP_ENABLE']):
+    src += ['wlan_lwip.c']
+
+if GetDepend(['RT_WLAN_CFG_ENABLE']):
+    src += ['wlan_cfg.c']
+
+if GetDepend(['RT_WLAN_WORK_THREAD_ENABLE']):
+    src += ['wlan_workqueue.c']
+
 group   = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_WIFI'], CPPPATH = CPPPATH)
 
 Return('group')