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YDLIDAR / ydlidar_ros2_driver

ydlidar driver package under ros2
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/stop_scan service call causes improper logging of "[ERROR] Failed to get scan" #45

Open slowrunner opened 6 months ago

slowrunner commented 6 months ago

The ydlidar_ros2_driver_node provides two services /stop_scan and /start_scan which turn off/on the laser respectively. The main loop always attempts doProcessSimpleScan().

When the laser has been turned off via /stop_scan, the main loop assumes an error and improperly logs "[ERROR] time Failed to get scan".

An error should not be logged when the /stop_scan service has turned off the laser.

using version 1.0.2 Modified for Humble 10/2022


*** Calling ydlidar_ros_driver's /stop_scan service
ros2 service call /stop_scan std_srvs/Empty

[ydlidar_ros2_driver_node-1] [YDLIDAR] Now lidar scanning has stopped!
[ydlidar_ros2_driver_node-1] [ERROR] [1716343284.161687969] [ydlidar_ros2_driver_node]: Failed to get scan
[ydlidar_ros2_driver_node-1] [ERROR] [1716343284.234454572] [ydlidar_ros2_driver_node]: Failed to get scan
[ydlidar_ros2_driver_node-1] [ERROR] [1716343284.307347786] [ydlidar_ros2_driver_node]: Failed to get scan
joIcecube commented 1 day ago

Hi everyone. any update ? thx all