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Hi! Try something like this:

...
ros::Rate rate(<yourFrequency>);
...
while (ros::ok())
{
ros::spinOnce();
rate.sleep();
}

Hi! Try something like this:

...
ros::Rate rate(<yourFrequency>);
...
while (ros::ok())
{
ros::spinOnce();
rate.sleep();
}

Hi! Try something like this:

...
ros::Rate rate(<yourFrequency>);
...
while (ros::ok())
{
ros::spinOnce();
rate.sleep();
}

Hi! Try something like this:

...
ros::Rate rate(<yourFrequency>);
...
while (ros::ok())
{
ros::spinOnce();
rate.sleep();
}

Also, be sure to set the right buffer length for your subscriber.subscriber, in order to prevent your node to elaborate old data.