No subject

done in onInit() and in subscriber callbacks. </blockquote><div><br>onInit =
is not supposed to block and will cause problems if it does.=A0=A0 <br><br>

</div><blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex;=
 border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">So, to impl=
ement a camera server, I&#39;d either have to never finish initializing (is=
 this okay?) or to set up an extra node that sends &quot;wakeup&quot; messa=
ges every 30 ms or so, and grab frames in the callback.<br>


<br></blockquote><div></div><blockquote class=3D"gmail_quote" style=3D"marg=
in: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-l=
eft: 1ex;">
Is there a way to set up a &quot;callMeEvery30MS&quot; callback function in=
 a nodelet? Or even a &quot;callAndLetMeRunForeverWhileOtherThreadsDoTheirT=
hing()&quot; callback function that could then run an infinite loop?<br>

</blockquote><div><br>If=20
you want periodic operations.=A0 The ros::Timer object will give you=20
periodic callbacks.=A0 <a href=3D"http://www.ros.org/doc/api/roscpp/html/cl=
assros_1_1Timer.html">http://www.ros.org/doc/api/roscpp/html/classros_1_1Ti=
mer.html</a></div></div><br>Tully<br><br>

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