Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

You like to be fast then use c++, what is the cpu load while you execute the script. Do you have UIs on the pi? How long does it take to read the i2c suff. I think this is the slowest part. Wjdriting to the console is also a slow process. Remove the raspy.logInfo line. Use the rostopic hz function to measure the refresh rate of you topic as @ravijoshi has written.

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.