coordinate publisher and subscriber c++

asked 2019-10-22 06:17:27 -0600

v.leto gravatar image

how can I coordinate a subscriber and a publisher?I have to send a message(a position) to a robot with a publisher, then wait from the robot if he received the position(reading from a topic), and if he hadn't received it, publish the position again.

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Would this not be something for which actions are better suited?

To prevent an xy-problem: could you describe what it is that you actually want to achieve (ie: instead of asking about an approach you've already chosen)?

gvdhoorn gravatar imagegvdhoorn ( 2019-10-22 06:48:27 -0600 )edit

well, I will try to explain in a better way..Ii have to write a starting message to an AUV through an acoustic channel for its positioning, then the robot has to say "yes, I received the starting message" and if yes my node shoud start sending messages to it with its absolute position.

v.leto gravatar imagev.leto ( 2019-10-23 06:45:58 -0600 )edit