ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange |
1 | initial version |
Hi Dan,
spinOnce should never block. It just checks to see if new serial data has come in and fires callback messages if it has received a full message. It is supposed to work just like spinOnce in roscpp. All it handles is com and callbacks.
Under what situations are you seeing it block?