Fix some timing issues

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@1885 b32b6428-25c9-4566-ad07-03861ab6144f

libs/monitor/xaal/monitor/monitor.py

@@ -177,7 +177,7 @@ class Monitor:
         self.subscribers = []
         self.engine.add_rx_handler(self.parse_msg)
         self.engine.add_timer(self.auto_wash, 10)
-        self.engine.add_timer(self.send_isalive, 180)
+        self.engine.add_timer(self.send_isalive, 240)
         self.engine.add_timer(self.refresh_devices, 5)
 
     def parse_msg(self, msg):
@@ -233,7 +233,7 @@ class Monitor:
     def refresh_devices(self):
         now = int(time.time())
         for dev in self.devices:
-            if dev.refresh + 180 < now:
+            if dev.refresh + 300 < now:
                 if self.db_server:
                     self.request_metadb(dev.address)
                 self.engine.send_get_attributes(self.dev,[dev.address,])