QuecPython
diff --git a/‎__init__.py‎ b/‎__init__.py‎
diff --git a/‎code/__init__.py‎ b/‎code/__init__.py‎
diff --git a/‎code/modules/net_manager.py‎
Lines changed: 43 additions & 0 deletions b/‎code/modules/net_manager.py‎
Lines changed: 43 additions & 0 deletions
diff --git a/‎code/modules/remote.py‎
Lines changed: 5 additions & 0 deletions b/‎code/modules/remote.py‎
Lines changed: 5 additions & 0 deletions
@@ -0,0 +1,43 @@
+"""
+检查sim卡和网络状态，如有异常尝试CFUN切换或重启
+"""
+import net
+import utime
+import _thread
+import checkNet
+from misc import Power
+
+
+class NetManager(object):
+    RECONNECT_LOCK = _thread.allocate_lock()
+
+    @classmethod
+    def reconnect(cls, retry=3):
+        with cls.RECONNECT_LOCK:
+            for _ in range(retry):
+                if cls.wait_connect():
+                    return True
+                cls.__cfun_switch()
+            else:
+                Power.powerRestart()
+            return False
+
+    @classmethod
+    def wait_connect(cls, timeout=30):
+        stage, state = checkNet.waitNetworkReady(timeout)
+        # print('network status code: {}'.format((stage, state)))
+        return stage == 3 and state == 1
+
+    @classmethod
+    def __cfun_switch(cls):
+        cls.disconnect()
+        utime.sleep_ms(200)
+        cls.connect()
+
+    @classmethod
+    def connect(cls):
+        return net.setModemFun(1, 0) == 0
+
+    @classmethod
+    def disconnect(cls):
+        return net.setModemFun(0, 0) == 0
@@ -15,6 +15,7 @@
 import _thread
 from usr.modules.logging import getLogger
 from usr.modules.common import Observable, CloudObserver
+from usr.modules.net_manager import NetManager
 
 
 log = getLogger(__name__)
@@ -147,6 +148,10 @@ def post_data(self, data, topic_id):
             "gps": []
         }
         """
+        if not NetManager.reconnect():
+            log.error('Net Work not ready.')
+            return
+
         res = True
         if self.__cloud_conn():
             if not self.__cloud_post(data, topic_id):