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2020-01-28 08:51:01 -0500 | marked best answer | Publish message received in callback Hello, I am trying to do a simple node subscribing to a topic which send data of type TwoInts (a custom message), and publishing the sum of what it received. TwoInts.msg sum.cpp My problem is to publish the message msg in the callback. The attributes a and b are of type int16, but when I try to publish them I got some errors like this one: I tried many things but I do not see how to solve that... Thanks for your help. Mickael |
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2020-01-06 01:52:35 -0500 | asked a question | Publish message received in callback Publish message received in callback Hello, I am trying to do a simple node subscribing to a topic which send data of |