ksato-dev's profile - activity

Maybe, I did modify well. Apparently, it seems like a setting for dependencies of custom msgs was not correctly.

Could it be that not setup correctly custom message? I tried to publish a topic of a original custom message, but could

Could it be that not setup correctly custom message? I tried to publish a topic of a original custom message, but could

Some packages I'm creating are in URL below. https://github.com/ksato-dev/area_detection_msgs https://github.com/ksato-

Custom message is NOT available at python in ROS2 Good evening, everyone. I faced a problem that a original custom mess

Custom message is NOT available at python in ROS2 Good evening, everyone. I faced a problem that a original custom mess

Custom message is NOT available at python in ROS2 Good evening, everyone. I faced a problem that a original custom mess

Custom message is NOT available at python in ROS2 Good evening, everyone. I faced a problem that a original custom mess

Custom message is NOT available at python in ROS2 Hi, everyone. I faced a problem that a original custom message is not

Hi everyone.

I faced a problem that fail building rclpy from source.

I followed a official guide in this repository, but falied building during colcon build with a log below.

Starting >>> rclpy   
--- stderr: rclpy                               
In file included from /home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c:59:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:23:3: error: unknown type name ‘rmw_message_lost_status_t’
   23 |   rmw_message_lost_status_t message_lost;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c: In function ‘_message_lost_to_py_object’:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:171:3: error: unknown type name ‘rmw_message_lost_status_t’; did you mean ‘rmw_liveliness_lost_status_t’?
  171 |   rmw_message_lost_status_t * actual_data = &data->message_lost;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~
      |   rmw_liveliness_lost_status_t
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:174:16: error: request for member ‘total_count’ in something not a structure or union
  174 |     actual_data->total_count,
      |                ^~
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:175:16: error: request for member ‘total_count_change’ in something not a structure or union
  175 |     actual_data->total_count_change);
      |                ^~
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c: In function ‘_get_qos_event_data_filler_function_for’:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:254:12: error: ‘RCL_SUBSCRIPTION_MESSAGE_LOST’ undeclared (first use in this function)
  254 |       case RCL_SUBSCRIPTION_MESSAGE_LOST:
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/./_rclpy_qos_event.c:254:12: note: each undeclared identifier is reported only once for each function it appears in
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c: In function ‘rclpy_init’:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c:625:13: warning: implicit declaration of function ‘rcl_init_options_set_domain_id’; did you mean ‘rcl_init_options_get_allocator’? [-Wimplicit-function-declaration]
  625 |       ret = rcl_init_options_set_domain_id(&init_options, (size_t)domain_id);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |             rcl_init_options_get_allocator
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c: In function ‘rclpy_resolve_name’:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c:1730:19: warning: implicit declaration of function ‘rcl_node_resolve_name’; did you mean ‘rclpy_resolve_name’? [-Wimplicit-function-declaration]
 1730 |   rcl_ret_t ret = rcl_node_resolve_name(
      |                   ^~~~~~~~~~~~~~~~~~~~~
      |                   rclpy_resolve_name
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c: In function ‘rclpy_context_get_domain_id’:
/home/ksato/dev/ros2/rclpy_ws/src/rclpy/rclpy/src/rclpy/_rclpy.c:5634:19: warning: implicit declaration of function ‘rcl_context_get_domain_id’; did you mean ‘rclpy_context_get_domain_id’? [-Wimplicit-function-declaration]
 5634 |   rcl_ret_t ret = rcl_context_get_domain_id(context, &domain_id);
      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                   rclpy_context_get_domain_id
make[2]: *** [CMakeFiles/rclpy.dir/build.make:63: CMakeFiles/rclpy.dir/src/rclpy/_rclpy.c.o] エラー 1
make[2]: *** 未完了のジョブを待っています....
make[1]: *** [CMakeFiles/Makefile2:140: CMakeFiles/rclpy.dir/all] エラー 2
make[1]: *** 未完了のジョブを待っています....
make: *** [Makefile:141: all] エラー 2
---
Failed   <<< rclpy [23.5s, exited with code 2]

Summary: 0 packages finished [23.6s]
  1 package failed: rclpy
  1 package had stderr output: rclpy

What is the cause?

Thanks! Probably, a problem in my case is this.

Fail building rclpy from source Hi everyone. I faced a problem that fail building rclpy from source. I followed a offi

Thank you everyone for telling me good information, I implemented a sample code below using get_topic_names_and_types.

Thank you everyone for telling me good information, I implemented a sample code below. ### `sample_to_show_topic_list.p

Thank you everyone for telling me good information, I implemented a sample code below. ### `sample_to_show_topic_list.p

Thank you everyone for telling me good information, I implemented a sample code below. ### `sample_to_show_topic_list.p

Thank you everyone for telling me good information, I implemented a sample code below. ### `sample_to_show_topic_list.p

How to show topics using python in ROS2 Hi, everyone. Like the title, I want to show topics using python in ROS2. Firs

How to show topics using python in ROS2 Hi, everyone. Like the title, I want to show topics using python in ROS2. Firs

Oh, an uncompressed image was too big! I got it! Also, thank you for a nice suggestion. I see. I will not send a raw i

Oh, an uncompressed image was too big! I got it! Also, thank you for a nice suggestion. I see. I will not send a raw im

And I can get information on some topics with ros2 topic list -t, somehow. $ ros2 topic list -t # other machine side /

Thank you for your answer! At least I can see /image_raw on the Raspberry Pi side with a command ros2 topic echo or ros