ros2 create_subscription是一个命令行工具,用于创建一个订阅节点,该节点可以订阅一个指定的ROS2话题,并在接收到消息时执行指定的回调函数。 使用ros2 create_subscription命令,开发者可以快速创建一个订阅节点,从而接收其他节点发布的消息。这个命令的基本语法如下: bash ros2 create_subscription [OPTIONS] PACKAGE_...
/*创建move_robot客户端*/ client_ = this->create_client<example_ros2_interfaces::srv::MoveRobot>( "move_robot"); /*订阅机器人状态话题*/ robot_status_subscribe_ = this->create_subscription<example_ros2_interfaces::msg::RobotStatus>("robot_status", 10, std::bind(&ExampleInterfacesControl::...
callback_group_executor_.add_callback_group(callback_group_, node_->get_node_base_interface()); rclcpp::SubscriptionOptions sub_option; sub_option.callback_group = callback_group_; battery_sub_ = node_->create_subscription<sensor_msgs::msg::BatteryState>( battery_topic_, rclcpp::SystemDefa...
client_ = this->create_client<example_ros2_interfaces::srv::MoveRobot>( "move_robot"); /*订阅机器人状态话题*/ robot_status_subscribe_ = this->create_subscription<example_ros2_interfaces::msg::RobotStatus>("robot_status", 10, std::bind(&ExampleInterfacesControl::robot_status_callback_, th...
self.create_subscription(UInt32,"sexy_girl_money",self.recv_money_callback,10) 1. 这句话的意思是创建订阅者,订阅话题sexy_girl_money,话题类型为UInt32,每次收到钱就去调用self.recv_money_callback函数存起来。 完整代码如下: #!/usr/bin/env python3 ...
subscription1_ = this->create_subscription<std_msgs::msg::String>( "topic", rclcpp::QoS(10), // std::bind is sort of C++'s way of passing a function // If you're used to function-passing, skip these comments std::bind(
C++中函数指针的用途非常广泛，例如回调函数，接口类的设计等，但函数指针始终不太灵活，它只能指向全局或...
importrclpyfromrclpy.nodeimportNodefromstd_msgs.msgimportStringclassListener(Node):def__init__(self):super().__init__('listener')self.subscription=self.create_subscription(String,'chatter',self.listener_callback,10)deflistener_callback(self,msg):self.get_logger().info('I heard: "%s"'%msg.da...
subscription_ = this->create_subscription<ars548_interface::msg::Num>( // CHANGE "topic", 10, std::bind(&MinimalSubscriber::topic_callback, this, _1)); } private: void topic_callback(const ars548_interface::msg::Num::SharedPtr msg) const // CHANGE ...
两个create_subscription调用出错currTimeSub_ = nh_->create_subscription<std_msgs::msg::String>("/pixel/lv/current_time", 10, std::bind(&TeleopPanel::CurrTimeSub, this, std::placeholders::_1)); selectPtSub_ = nh_->create_subscription<sensor_msgs::msg::PointCloud2>("/rviz_selected_...