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2019-03-01 16:32:28 -0500 marked best answer how to get gcc or g++ command when using "colcon build" in ros2?

in ros2 ardent version, I can get compile command by "set(CMAKE_VEBOSE_MAKEFILE TRUE)" in CmakeLists.txt, but I can't find these message in ros2 bouncy, anyone can help me ?

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2018-09-14 17:18:44 -0500 marked best answer is there any ros2 rep like rqt_configure in ros1 ?

besides, dynamic_reconfigure is also needed , any one can tell me about it ? or there is some rep work same to it ?

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2018-08-29 23:48:17 -0500 commented answer is there any ros2 rep like rqt_configure in ros1 ?

as I know, parameter subsystem of python lacks some function as to c++, and it seems to not be able to support dynamic_r

2018-08-29 20:55:18 -0500 commented answer is there any ros2 rep like rqt_configure in ros1 ?

will rqt be ported in the future ? and when ?

2018-08-29 06:08:06 -0500 asked a question is there any ros2 rep like rqt_configure in ros1 ?

is there any ros2 rep like rqt_configure in ros1 ? besides, dynamic_reconfigure is also needed , any one can tell me abo

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2018-08-20 05:07:24 -0500 asked a question how to get gcc or g++ command when using "colcon build" in ros2?

how to get gcc or g++ command when using "colcon build" in ros2? in ros2 ardent version, I can get compile command by "s

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2018-08-17 02:10:46 -0500 commented answer Is there any package in ros2 that like package "rosbridge_suite" in ros1 ?

I want to know how long dose it take to finish the work porting Robot Web Tools packages to ros2 ? and for javascripts i

2018-08-17 02:04:50 -0500 marked best answer Is there any package in ros2 that like package "rosbridge_suite" in ros1 ?

recently, we want to upgrade our ros1 project into ros2, but we have a frontend package that using javascript api to call ros pub/sub with the help of "rosbridge_suite", we are stuck in it, could any one give me some help ?

2018-08-16 22:08:00 -0500 commented answer Is there any package in ros2 that like package "rosbridge_suite" in ros1 ?

Did it support ros2 bouncy version ?

2018-08-16 06:33:56 -0500 asked a question Is there any package in ros2 that like package "rosbridge_suite" in ros1 ?

Is there any package in ros2 that like package "rosbridge_suite" in ros1 ? recently, we want to upgrade our ros1 project

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2018-08-10 16:59:52 -0500 marked best answer Setting project name "debug_msgs" occurs error while "mydebug_msgs" is ok

when I build my msg project whose name is "debug_msgs" with ros2 bouncy, I get error as follow:

command:

   colcon build

output:

Starting >>> debug_msgs
--- stderr: debug_msgs                         
CMake Error at /root/ros2_ws/install/ament_cmake_export_libraries/share/ament_cmake_export_libraries/cmake/ament_export_libraries.cmake:56 (message):
  ament_export_libraries() package 'debug_msgs' passes the build
  configuration keyword 'debug_msgs__rosidl_generator_c' as the last exported
  library
Call Stack (most recent call first):
  /root/ros2_ws/install/rosidl_generator_c/share/rosidl_generator_c/cmake/rosidl_generator_c_generate_interfaces.cmake:171 (ament_export_libraries)
  /root/ros2_ws/install/ament_cmake_core/share/ament_cmake_core/cmake/core/ament_execute_extensions.cmake:38 (include)
  /root/ros2_ws/install/rosidl_cmake/share/rosidl_cmake/cmake/rosidl_generate_interfaces.cmake:169 (ament_execute_extensions)
  CMakeLists.txt:23 (rosidl_generate_interfaces)


---
Failed   <<< debug_msgs [ Exited with code 1 ]

Summary: 0 packages finished [1.21s]

but after I changed the project name to "mydebug_msgs", It goes well, could any one tell me why ? the test demo is : https://github.com/lxbeyond/bouncy_msg

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2018-08-09 02:42:17 -0500 commented answer ros2: C++ and Python in same package. Is it possible?

can we build demo_nodes_cpp and demo_nodes_py into one project as demo_nodes_test and run "ros2 run demo_nodes_test list

2018-08-09 02:41:56 -0500 answered a question ros2: C++ and Python in same package. Is it possible?

can we build demo_nodes_cpp and demo_nodes_py into one project as demo_nodes_test and run "ros2 run demo_nodes_test list

2018-08-09 01:36:32 -0500 asked a question can I build python code and c++ code in one project in ROS2 ? Is there any demos show that

can I build python code and c++ code in one project in ROS2 ? Is there any demos show that as we can build c++ code and

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2018-08-08 00:20:20 -0500 asked a question Setting project name "debug_msgs" occurs error while "mydebug_msgs" is ok

Setting project name "debug_msgs" occurs error while "mydebug_msgs" is ok when I build my msg project whose name is "deb

2018-07-10 21:27:17 -0500 marked best answer name rules for name of *.msg file

Recently we found a strange thing when building msg file: in case one, we build one msg file whose name is "MyTest.msg", whatever content in it , which just build well, in case two , we want to build another msg file whose name is "MYTEST.msg", whatever content in it , which still build well. but as Naming of messages and services said

names must use an upper camel case

why case 2 work? test rep: https://github.com/lxbeyond/ros2msgtest

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2018-07-05 01:50:37 -0500 asked a question name rules for name of *.msg file

name rules for name of *.msg file Recently we found a strange thing when building msg file: in case one, we build one ms

2018-07-05 01:50:36 -0500 asked a question name rules for name of *.msg file

name rules for name of *.msg file Recently we found a strange thing when building msg file: in case one, we build one ms