📄️ ROS2 发布者和订阅者中的回调函数
简介
📄️ Callback Function In ROS2 Pub and Sub
Intro
📄️ Message Filter in ROS2
Typically we use a subscriber to directly receive the message and process them in a callback function, but there are times when we want more intricate ways to tackle with these messages, say, cache them temporarily process them later, or synchronize messages from mulitple topics then process them in batch.