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 | 1 | initial version |
I got it, It must be used the latch parameter of the Publisher class. The 3rd param is the latch, by default it is false, if it is true, than the msg has a transitory stat/ not instant.
Publisher takeOff=n.advertise<std_msgs::Empty>("/ardrone/takeoff",1,true);
| | 2 | second solution |
I got it, It must be used the latch parameter of the Publisher class. The 3rd param is the latch, by default it is false, if it is true, than the msg has a transitory stat/ not instant.
Publisher takeOff=n.advertise<std_msgs::Empty>("/ardrone/takeoff",1,true);
Or:
system( "rostopic pub /ardrone/land std_msgs/Empty");
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