Hi All

I try to run Hello world on arduino Uno. It can communicate on ROS with subscriber and publisher. but when I include another file #include , no any other code changed, the connect lost.

[ERROR] [WallTime: 1435724257.902666] Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

Any of you can help to solve this problem? thanks.