Jan Wielemaker's profile - activity

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2022-06-07 10:57:49 -0500	received badge	● Famous Question (source)
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2021-06-16 09:41:02 -0500	commented question	Why do I need a 0.1 second sleep after rcl_node_init() With rclswi and ROS2, yes :) See https://github.com/SWI-Prolog/rclswi. With this issue, I'm afraid not. There were o
2021-06-15 17:04:08 -0500	received badge	● Popular Question (source)
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2021-03-08 18:48:41 -0500	marked best answer	Get logging output to /rosout using rclutils (writing a client library) I'm writing a ROS2 client library for SWI-Prolog. Basic pub/sub works. Next step is to get logging to work. Calling `rcutils_log()` works fine for loging to the console, but nothing appears in `/rosout` or in `rqt`. It doesn't seem to matter whether I leave the initialization to `RCUTILS_LOGGING_AUTOINIT` or call `rcutils_logging_initialize()`. Controlling the level affects the output in the console, so the basics seem to work. I tried with and without a creating a ROS node. The subscription works fine and the node is visible in `rqt`. Platform is Ubuntu 20.04 using ROS2 foxy. Any clue, including clues on how to debug this?
2021-03-08 13:36:51 -0500	answered a question	Get logging output to /rosout using rclutils (writing a client library) After a lot of searching in the rcl and rcutils sources and some gdb breakpoints, I got it working. Key are Initiali
2021-03-08 13:36:51 -0500	received badge	● Rapid Responder (source)
2021-03-08 07:19:02 -0500	asked a question	Get logging output to /rosout using rclutils (writing a client library) Get logging output to /rosout using rclutils (writing a client library) I'm writing a ROS2 client library for SWI-Prolog
2021-03-01 07:17:25 -0500	received badge	● Notable Question (source)
2021-02-24 07:46:38 -0500	asked a question	Why do I need a 0.1 second sleep after rcl_node_init() Why do I need a 0.1 second sleep after rcl_node_init() I’m too new to see whether this is a bug report or question. I’m
2021-02-22 03:28:40 -0500	commented question	ROS2 C based dynamic typesupport example? I planned to. As I don't have enough brownie points to to avoid the moderator I didn't have a link immediately and forg
2021-02-21 22:27:38 -0500	received badge	● Popular Question (source)
2021-02-21 08:21:24 -0500	edited question	ROS2 C based dynamic typesupport example? ROS2 C based dynamic typesupport example? I'm pretty new to ROS and still a bit overwhelmed :) I'm studying the option
2021-02-20 12:19:20 -0500	asked a question	ROS2 C based dynamic typesupport example? ROS2 C based dynamic typesupport example? I'm pretty new to ROS and still a bit overwhelmed :) I'm studying the option