feature: LED & key trigger support

opencv-motion-detect/evwifi.cpp

@@ -435,6 +435,9 @@ void hand_sig(int sig) {
     if(key_event_msg.count == 5) {
         // switch AP mode
         mgr.enableMode(1);
+    }else if(key_event_msg.count == 3){
+        // station mode
+        mgr.enableMode(2);
     }else if(key_event_msg.count == 5 && key_event_msg.time * 10 >= 10 * 1000){
         // clear SN && restart evdaemon
         system("rm -fr /opt/lvldb && systemctl restart evdaemon");