#include"rclcpp/rclcpp.hpp"classTestParamsCallback:publicrclcpp::Node{public:TestParamsCallback():Node("test_params_rclcpp"){this->declare_parameter("motor_device_port","/dev/ttyUSB0");this->declare_parameter("control_loop_frequency",100);this->declare_parameter("simulation_mode",false);motor_...
self.add_on_set_parameters_callback(self.parameter_callback) def parameter_callback(self, parameters): results = [] for parameter in parameters: try: # 获取参数的新值,并进行相应的处理 new_value = parameter.value self.get_logger().info(f'参数 {parameter.name} 设置为:{new_value}') self....
So how to make sure the parameters you get in the callback have the correct type?You can easily check the type with the “type_” attribute, and compare it with the type you want from the Parameter object. For example: Parameter.Type.STRING....
constrclcpp::ParameterValue&rclcpp::Node::declare_parameter(conststd::string&name,constrclcpp::ParameterValue&default_value=rclcpp::ParameterValue(),constrcl_interfaces::msg::ParameterDescriptor¶meter_descriptor=rcl_interfaces::msg::ParameterDescriptor(),boolignore_override=false) 参数: name: 参数的名...
A "callback" is any function that is called by another function which takes the first function as a parameter. 1. 直白点说,就是“函数#"的参数是另一个函数,通过“函数#"调用另一个函数,这个另一个函数就是回调函数。以数学形式来看(虽然不太恰当):Function(y)和g(x)。Function(y)是一个函数,g...
ros2 param set <node_name> <parameter_name> <value> 比如修改仿真器背景色中的r值为150: ros2 param set /turtlesim background_r 150 终端中会看到设置成功的日志: 仿真器的背景也很快变色了: 这种方式只能修改一次参数值,下次重新启动就失效了,如果要下次继续生效,就得保存参数了。
Feature request Feature description Hi, I'm trying to add a parameter callback function on a node, but I can't find how to make it work properly. If I take the same node code as in #1566 things work as expected and I'm able to called the...
demo_nodes_cpp::EvenParameterNode demo_nodes_cpp::SetParametersCallback demo_nodes_cpp::ContentFilteringPublisher demo_nodes_cpp::ContentFilteringSubscriber demo_nodes_cpp::Talker demo_nodes_cpp::LoanedMessageTalker demo_nodes_cpp::SerializedMessageTalker ...
CallbackReturn on_configure(constrclcpp_lifecycle::State & previous_state)override{ arm_id_= get_node()->get_parameter("arm_id").as_string();returnCallbackReturn::SUCCESS; } CallbackReturn on_activate(constrclcpp_lifecycle::State & previous_state)override{//Activation logic herereturnCallbackRe...
rcl_interfaces::msg::SetParametersResult BaseDriverConfig::SetParametersCallback(const std::vector<rclcpp::Parameter>& parameters, rclcpp::Node* node, Robot_parameter* rp) { rcl_interfaces::msg::SetParametersResult result; result.successful = true; ...