id stringlengths 15 54 | text stringlengths 3 133k | title stringclasses 1
value |
|---|---|---|
lifecycle_deactivate/lifecycle_871.txt | [ lifecycle/README.rst
](https://github.com/ros2/demos/tree/eloquent/lifecycle/README.rst "Open in
git repository") | |
lifecycle_deactivate/lifecycle_140.txt | * Remove unnecessary dependency on ros2run ( [ #413 ](https://github.com/ros2/demos/issues/413) )
* Contributors: Michel Hidalgo | |
lifecycle_deactivate/lifecycle_820.txt | It is slightly less convenient, because you have to know the IDs which
correspond to each transition. You can find them though in the lifecycle_msgs
package. | |
lifecycle_deactivate/lifecycle_229.txt |
[lc_client] Transition 1 successfully triggered.
[lc_client] Node lc_talker has current state inactive.
| |
lifecycle_deactivate/lifecycle_591.txt | ### Wiki Tutorials | |
lifecycle_deactivate/lifecycle_1446.txt | _See[ ROS Wiki Tutorials ](http://wiki.ros.org/lifecycle/Tutorials) for more
details. _ | |
lifecycle_deactivate/lifecycle_687.txt | The ` lifecycle_service_client ` application is a fixed order script for this
demo purpose only. It explains the use and the API calls made for this
lifecycle implementation, but may be inconvenient to use otherwise. For this
reason, we implemented a separate python script, which lets you dynamically
change states or v... | |
lifecycle_deactivate/lifecycle_989.txt | _No direct system dependencies._ | |
lifecycle_deactivate/lifecycle_1057.txt | The lifecycle listener receives the same set of notifications as before.
Lifecycle talker changed its state from inactive to active. | |
lifecycle_deactivate/lifecycle_149.txt | * Add lifecycle rostest ( [ #336 ](https://github.com/ros2/demos/issues/336) )
* Contributors: Michel Hidalgo | |
lifecycle_deactivate/lifecycle_141.txt | ## 0.8.1 (2019-10-23) | |
lifecycle_deactivate/lifecycle_433.txt |
class LifecycleTalker : public rclcpp_lifecycle::LifecycleNode
| |
lifecycle_deactivate/lifecycle_1433.txt | * changes to avoid deprecated API\'s ( [ #332 ](https://github.com/ros2/demos/issues/332) )
* Corrected publish calls with shared_ptr signature ( [ #327 ](https://github.com/ros2/demos/issues/327) )
* Contributors: William Woodall, ivanpauno | |
lifecycle_deactivate/lifecycle_526.txt | * Remove unnecessary dependency on ros2run ( [ #413 ](https://github.com/ros2/demos/issues/413) )
* Contributors: Michel Hidalgo | |
lifecycle_deactivate/lifecycle_129.txt | * Add missing required parameter in LifecycleNode launch action ( [ #456 ](https://github.com/ros2/demos/issues/456) )
* Contributors: Ivan Santiago Paunovic | |
lifecycle_deactivate/lifecycle_1228.txt |
$ ros2 lifecycle set /lc_talker configure
Transitioning successful
| |
lifecycle_deactivate/lifecycle_152.txt | * changes to avoid deprecated API\'s ( [ #332 ](https://github.com/ros2/demos/issues/332) )
* Corrected publish calls with shared_ptr signature ( [ #327 ](https://github.com/ros2/demos/issues/327) )
* Contributors: William Woodall, ivanpauno | |
lifecycle_deactivate/ros2fromthegroundupp_2.txt | [ Sign in
](/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40nullbyte.in%2Fros2-from-
the-ground-up-part-8-simplify-robotic-software-components-management-with-
ros2-5fafa2738700&source=post_page---two_column_layout_nav
-----------------------global_nav-----------) | |
lifecycle_deactivate/lifecycle_253.txt | At the same time, every lifecycle node has by default 5 different
communication interfaces. | |
lifecycle_deactivate/lifecycle_278.txt | It is slightly less convenient, because you have to know the IDs which
correspond to each transition. You can find them though in the lifecycle_msgs
package. | |
lifecycle_deactivate/lifecycle_266.txt | In the case you want to get the current state of the ` lc_talker ` node, you
would call: | |
lifecycle_deactivate/lifecycle_853.txt | Failed to get question list, you can ticket an issue [ here
](https://github.com/ros-infrastructure/rosindex/issues/new) | |
lifecycle_deactivate/lifecycle_1208.txt |
rclcpp_lifecycle::node_interfaces::LifecycleNodeInterface::CallbackReturn
on_configure(const rclcpp_lifecycle::State & previous_state)
rclcpp_lifecycle::node_interfaces::LifecycleNodeInterface::CallbackReturn
on_activate(const rclcpp_lifecycle::State & previous_state)
rclcpp_life... | |
lifecycle_deactivate/lifecycle_1066.txt |
class LifecycleTalker : public rclcpp_lifecycle::LifecycleNode
| |
lifecycle_deactivate/lifecycle_822.txt | # Outlook | |
lifecycle_deactivate/lifecycle_658.txt |
[lc_talker] on_configure() is called.
Lifecycle publisher is currently inactive. Messages are not published.
...
| |
lifecycle_deactivate/lifecycle_106.txt | ## 0.20.2 (2022-05-10) | |
lifecycle_deactivate/1103_2.txt | * [ Actions ](/ros-controls/ros2_control/actions)
* [ Projects 0 ](/ros-controls/ros2_control/projects)
* [ Security ](/ros-controls/ros2_control/security)
* [ Insights ](/ros-controls/ros2_control/pulse)
Additional navigation options
* [ Code ](/ros-controls/ros2_control)
* [ Issues ](/ros-controls/... | |
lifecycle_deactivate/lifecycle_379.txt | Package containing demos for lifecycle implementation | |
lifecycle_deactivate/lifecycle_900.txt |
[lc_client] Transition 1 successfully triggered.
[lc_client] Node lc_talker has current state inactive.
| |
lifecycle_deactivate/ros2fromthegroundupp_23.txt | When designing a robotic system, certain components are critical to the proper
functioning of the system, and may require special attention to manage their
lifecycle. In ROS2, **two types of nodes are available at a high level:** | |
lifecycle_deactivate/lifecycle_911.txt | The difference to the transition event before is that our listener now also
receives the actual published data. | |
lifecycle_deactivate/lifecycle_753.txt | # The demo | |
lifecycle_deactivate/hardwarecomponentsus_1.txt | * [ Getting Started ](../../../getting_started/getting_started.html)
* [ ros2_control ](../../doc/index.html)
* [ API Documentation ](../../doc/index.html#api-documentation)
* [ Features ](../../doc/index.html#features)
* [ Concepts ](../../doc/index.html#concepts)
* [ Controller Manager ](../../c... | |
lifecycle_deactivate/lifecycle_339.txt | ## 0.7.1 (2019-04-26) | |
lifecycle_deactivate/ros2fromthegroundupp_60.txt | return status;
}
class LifecycleServiceClient : public rclcpp::Node
{
public:
explicit LifecycleServiceClient(const std::string & node_name)
: Node(node_name)
{}
void
init()
{
client_get_state_ = this->create_client<li... | |
lifecycle_deactivate/lifecycle_1334.txt | * configure
* activate
* deactivate
* cleanup
* shutdown | |
lifecycle_deactivate/lifecycle_958.txt | ## 0.8.2 (2019-11-08) | |
lifecycle_deactivate/lifecycle_1061.txt | Please note that the index of the published message is already at 11. The
purpose of this demo is to show that even though we call ` publish ` at every
state of the lifecycle talker, only when the state in active, the messages are
actually published. As for the beta1, all other messages are getting ignored.
This behavi... | |
lifecycle_deactivate/lifecycle_951.txt | # Outlook | |
lifecycle_deactivate/lifecycle_1367.txt | Please note that the index of the published message is already at 11. The
purpose of this demo is to show that even though we call ` publish ` at every
state of the lifecycle talker, only when the state in active, the messages are
actually published. As for the beta1, all other messages are getting ignored.
This behavi... | |
lifecycle_deactivate/lifecycle_1037.txt | The ` lifecycle_listener ` is a simple listener which shows the
characteristics of the lifecycle talker. The talker enables the message
publishing only in the active state and thus making the listener receiving
only messages when the talker is in an active state. | |
lifecycle_deactivate/lifecycle_1101.txt | * Python lifecycle nodes
* Lifecycle manager: A global node, handling and dispatching trigger requests for multiple nodes.
* LifeyclceSubscriber/LifecycleWalltimer/... add more lifecycle controlled entities. | |
lifecycle_deactivate/lifecycle_43.txt | # Run the demo | |
lifecycle_deactivate/ros2fromthegroundupp_19.txt | Share | |
lifecycle_deactivate/lifecycle_648.txt | In order to run this demo, we open three terminals and source our ROS2
environment variables either from the binary distributions or the workspace we
compiled from source. | |
nodenow/time8hhtml_117.txt | ## ◆ rcl_disable_ros_time_override() | |
nodenow/time8hhtml_62.txt | Parameters | |
nodenow/WritingASimpleCppSer_81.txt | ### 4 Build and run ï | |
nodenow/WritingASimpleCppSer_113.txt | Built with [ Sphinx ](https://www.sphinx-doc.org/) using a [ theme
](https://github.com/readthedocs/sphinx_rtd_theme) provided by [ Read the Docs
](https://readthedocs.org) . | |
nodenow/WritingASimpleCppSer_20.txt | * 2 Write the service node | |
nodenow/time8hhtml_65.txt | ## ◆ rcl_ros_clock_fini() | |
nodenow/WritingASimpleCppSer_82.txt | Itâs good practice to run ` rosdep ` in the root of your workspace ( `
ros2_ws ` ) to check for missing dependencies before building: | |
nodenow/25045_41.txt | [ pabled91 ](https://get-help.theconstruct.ai/u/pabled91) June 30, 2023,
7:47am 6 | |
nodenow/WritingASimpleCppSer_85.txt | rosdep only runs on Linux, so you can skip ahead to next step. | |
nodenow/WritingASimpleCppSer_29.txt | ## Prerequisites ï | |
nodenow/WritingASimpleCppSer_33.txt | Open a new terminal and [ source your ROS 2 installation ](../Beginner-CLI-
Tools/Configuring-ROS2-Environment.html) so that ` ros2 ` commands will work. | |
nodenow/25045_51.txt | 1 Like | |
nodenow/serviceclientexample_1.txt | #include <std_srvs/srv/set_bool.hpp> | |
nodenow/time8hhtml_135.txt | * * * | |
nodenow/time8hhtml_100.txt | This function takes two time points and computes the duration between them.
The two time points must be using the same time abstraction, and the resultant
duration will also be of the same abstraction. | |
nodenow/WritingASimpleCppSer_32.txt | ### 1 Create a package ï | |
nodenow/time8hhtml_130.txt | [ rcl_ret_t ](types_8h.html#af66ec2e20118b821dbf3f9b0067e8796)
rcl_set_ros_time_override | ( | [ rcl_clock_t ](structrcl__clock__t.html)
* | _clock_ ,
---|---|---|---
| | [ rcl_time_point_value_t
](time_8h.html#a504861cd584105c7ddfea1dd6539f8e8) | _time_value_
| ) | |
Set the current time for thi... | |
nodenow/25045_26.txt | Hello, | |
nodenow/time8hhtml_10.txt | [ rcl_ret_t ](types_8h.html#af66ec2e20118b821dbf3f9b0067e8796) | [
rcl_clock_get_now ](time_8h.html#ac411ad081f7acea558554a810461d36d) ( [
rcl_clock_t ](structrcl__clock__t.html) *clock, [ rcl_time_point_t
](structrcl__time__point__t.html) *time_point)
| Fill the time point with the current value of the associated ... | |
nodenow/WritingASimpleCppSer_57.txt | * Spins the node, making the service available.
rclcpp::spin(node);
| |
nodenow/WritingASimpleCppSer_40.txt | The first two lines are the parameters of the request, and below the dashes is
the response. | |
nodenow/serviceclientexample_6.txt | rclcpp::Client<std_srvs::srv::SetBool>::SharedPtr service_client_; | |
nodenow/time8hhtml_94.txt | This will deallocate all necessary internal structures, and clean up any
variables. It is specifically setting up a system time source. It is expected
to be paired with the init fuction. | |
nodenow/WritingASimpleCppSer_8.txt | * [ ](../../index.html)
* [ Tutorials ](../../Tutorials.html)
* [ Beginner: Client libraries ](../Beginner-Client-Libraries.html)
* Writing a simple service and client (C++)
* [ Edit on GitHub ](https://github.com/ros2/ros2_documentation/blob/foxy/source/Tutorials/Beginner-Client-Libraries/Writing-A-Simple-C... | |
nodenow/serviceclientexample_17.txt | // There are two ways you can check the result of the service call:
// 1. using std::future<Result>
// 2. using a callback
// Examples for each case follow. | |
nodenow/serviceclientexample_21.txt | //} | |
nodenow/clockandtimehtml_15.txt | Custom Time Source
It is possible that the user may have access to an out of band time source
which can provide better performance than the default source the ` /clock `
topic. It might be possible that for their use case a more advanced algorithm
would be needed to propagate the simulated time with adequate precisi... | |
nodenow/25045_47.txt | case 3:
RCLCPP_INFO(this->get_logger(), "wall behind");
twist_msg.angular.z = 0.2;
break;
}
// start_scan_sub();
while (laser_forward > laser_backward || laser_forward > laser_left ||
laser_forward > laser_right) {
publishe... | |
nodenow/time8hhtml_21.txt | ## ◆ RCL_NS_TO_US | |
nodenow/25045_33.txt | start_scan_sub();
while (laser_forward > laser_backward || laser_forward > laser_left ||
laser_forward > laser_right) {
publisher_->publish(twist_msg);
/*RCLCPP_INFO(this->get_logger(), "[FORWARD] = '%f'",
this->laser_forward); RCLCPP_INFO(this->get_logg... | |
nodenow/time8hhtml_105.txt | ## ◆ rcl_clock_get_now() | |
nodenow/time8hhtml_81.txt | Parameters | |
nodenow/time8hhtml_48.txt | This will allocate all necessary internal structures, and initialize
variables. | |
nodenow/time8hhtml_92.txt | [ rcl_ret_t ](types_8h.html#af66ec2e20118b821dbf3f9b0067e8796)
rcl_system_clock_fini | ( | [ rcl_clock_t ](structrcl__clock__t.html) * |
_clock_ | ) |
---|---|---|---|---|---
Finalize a clock as a ` RCL_SYSTEM_TIME ` time source. | |
nodenow/WritingASimpleCppSer_83.txt | Linux macOS Windows | |
nodenow/time8hhtml_59.txt | ## ◆ rcl_ros_clock_init() | |
nodenow/WritingASimpleCppSer_1.txt | * [ Installation ](../../Installation.html)
* [ Ubuntu (Debian) ](../../Installation/Ubuntu-Install-Debians.html)
* [ Windows (binary) ](../../Installation/Windows-Install-Binary.html)
* [ Alternatives ](../../Installation/Alternatives.html)
* [ Ubuntu (source) ](../../Installation/Alternatives/Ubun... | |
nodenow/WritingASimpleCppSer_75.txt | If the client is canceled (e.g. by you entering ` Ctrl+C ` into the
terminal), it will return an error log message stating it was interrupted. | |
nodenow/time8hhtml_41.txt | bool rcl_clock_valid | ( | [ rcl_clock_t ](structrcl__clock__t.html) * |
_clock_ | ) |
---|---|---|---|---|---
Check if the clock has valid values. | |
nodenow/serviceclientexample_32.txt | #include <rclcpp_components/register_node_macro.hpp>
RCLCPP_COMPONENTS_REGISTER_NODE(ros2_examples::ServiceClientExample) | |
nodenow/time8hhtml_19.txt | ## ◆ RCL_NS_TO_MS | |
nodenow/clockandtimehtml_17.txt | Public API
The implementation from client library will provide ` Time ` , ` Duration ` ,
and ` Rate ` datatypes, for all three time source abstractions.
The ` Clock ` will support a ` sleep_for ` function as well as a ` sleep_until
` method using a ` Duration ` or ` Time ` argument respectively. The
implementation ... | |
nodenow/time8hhtml_114.txt | Parameters | |
nodenow/25045_4.txt | [ pabled91 ](https://get-help.theconstruct.ai/u/pabled91) June 23, 2023,
4:14pm 1 | |
nodenow/time8hhtml_16.txt | #define RCL_US_TO_NS [ RCUTILS_US_TO_NS
](http://docs.ros2.org/ardent/api/rcutils/time_8h.html#abfe5ac86d1a02406a218b145ab79c498)
---
Convenience macro to convert microseconds to nanoseconds. | |
nodenow/WritingASimpleCppSer_25.txt | * Related content | |
nodenow/WritingASimpleCppSer_111.txt | * * * | |
nodenow/time8hhtml_25.txt | typedef [ rcutils_time_point_value_t
](http://docs.ros2.org/ardent/api/rcutils/time_8h.html#a14de75ad74511cd94d4964c6422564e6)
[ rcl_time_point_value_t ](time_8h.html#a504861cd584105c7ddfea1dd6539f8e8)
---
A single point in time, measured in nanoseconds since the Unix epoch. | |
nodenow/time8hhtml_14.txt | #define RCL_MS_TO_NS [ RCUTILS_MS_TO_NS
](http://docs.ros2.org/ardent/api/rcutils/time_8h.html#a428e1debfc4394e50ba59f1aaa2a5a03)
---
Convenience macro to convert milliseconds to nanoseconds. | |
nodenow/25045_2.txt | [ Course Support ](/c/course-support/ros2-in-5-days-c/62) [ ROS2 in 5 Days
C++ ](/c/course-support/ros2-in-5-days-c/62) | |
nodenow/clockandtimehtml_2.txt | Background
Many robotics algorithms inherently rely on timing as well as synchronization.
To this end we require that nodes running in the ROS network have a
synchronized system clock such that they can accurately report timestamps for
events.
There are however several use cases where being able to control the prog... | |
nodenow/time8hhtml_113.txt | This method will enable the ROS time abstraction override values, such that
the time source will report the set value instead of falling back to system
time. | |
nodenow/25045_14.txt | In any case, maybe you need to solve your problem using another approach,
because it seems that there is [ an issue with the wait-for-message
implementation ](https://github.com/ros2/rclcpp/issues/1953) . | |
nodenow/WritingASimpleCppSer_56.txt | * Prints a log message when itâs ready:
RCLCPP_INFO(rclcpp::get_logger("rclcpp"), "Ready to add two ints.");
|
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