In member function ‘virtual bool xarm_control::XArmHW::init(ros::NodeHandle&, ros::NodeHandle&)’: /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:155:3: error: ‘hw_nh_’ was not declared in this scope; did you mean ‘hw_ns_’? 155 | hw_nh_ = robot_hw_nh; | ^~~~~~ | hw_ns_ /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:156:3: error: ‘root_nh_’ was not declared in this scope; did you mean ‘root_nh’? 156 | root_nh_ = root_nh; | ^~~~~~~~ | root_nh /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:206:3: error: ‘locked_ip_key_’ was not declared in this scope 206 | locked_ip_key_ = "/uf_robot/" + robot_ip; | ^~~~~~~~~~~~~~ /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:225:48: error: no matching function for call to ‘xarm_api::XArmDriver::init(ros::NodeHandle&, std::string&, bool)’ 225 | xarm_driver_.init(robot_hw_nh, robot_ip, true); | ^ In file included from /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/include/xarm_controller/xarm_hw.h:36, from /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:8: /home/sparks/xarm_ws/src/xarm_ros/xarm_api/include/xarm_api/xarm_driver.h:21:14: note: candidate: ‘void xarm_api::XArmDriver::init(ros::NodeHandle&, std::string&)’ 21 | void init(ros::NodeHandle& root_nh, std::string &server_ip); | ^~~~ /home/sparks/xarm_ws/src/xarm_ros/xarm_api/include/xarm_api/xarm_driver.h:21:14: note: candidate expects 2 arguments, 3 provided /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp: In destructor ‘virtual xarm_control::XArmHW::~XArmHW()’: /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:258:3: error: ‘root_nh_’ was not declared in this scope 258 | root_nh_.setParam(locked_ip_key_, false); | ^~~~~~~~ /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:258:21: error: ‘locked_ip_key_’ was not declared in this scope 258 | root_nh_.setParam(locked_ip_key_, false); | ^~~~~~~~~~~~~~ /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp: In member function ‘virtual void xarm_control::XArmHW::write(const ros::Time&, const ros::Duration&)’: /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:456:5: error: ‘hw_nh_’ was not declared in this scope; did you mean ‘hw_ns_’? 456 | hw_nh_.param<float>("velo_duration", velo_duration, VELO_DURATION); | ^~~~~~ | hw_ns_ /home/sparks/xarm_ws/src/xarm_ros/xarm_controller/src/xarm_hw.cpp:456:18: error: expected primary-expression before ‘float’ 456 | hw_nh_.param<float>("velo_duration", velo_duration, VELO_DURATION); | ^~~~~ make[2]: *** [xarm_ros/xarm_controller/CMakeFiles/xarm_hw.dir/build.make:63:xarm_ros/xarm_controller/CMakeFiles/xarm_hw.dir/src/xarm_hw.cpp.o] 错误 1 make[1]: *** [CMakeFiles/Makefile2:6937:xarm_ros/xarm_controller/CMakeFiles/xarm_hw.dir/all] 错误 2 make: *** [Makefile:141:all] 错误 2 如何解决
时间: 2024-01-28 16:03:37 浏览: 148
根据错误信息,有几个问题需要解决:
1. 'hw_nh_'变量未在作用域内声明。可能是在代码中忘记声明该变量或者使用了错误的变量名。请检查代码,并确保在使用该变量之前进行了正确的声明。
2. 'root_nh_'变量未在作用域内声明。可能是在代码中忘记声明该变量或者使用了错误的变量名。请检查代码,并确保在使用该变量之前进行了正确的声明。
3. 'locked_ip_key_'变量未在作用域内声明。可能是在代码中忘记声明该变量或者使用了错误的变量名。请检查代码,并确保在使用该变量之前进行了正确的声明。
4. 'xarm_driver_.init()'函数调用的参数个数不匹配。根据错误信息,该函数期望两个参数,但是提供了三个参数。请检查代码,并确保传递正确的参数数量和类型。
5. 'root_nh_'和'locked_ip_key_'变量在析构函数中未在作用域内声明。可能是在代码中忘记声明这些变量或者使用了错误的变量名。请检查代码,并确保在使用这些变量之前进行了正确的声明。
6. 'hw_nh_'变量未在作用域内声明。可能是在代码中忘记声明该变量或者使用了错误的变量名。请检查代码,并确保在使用该变量之前进行了正确的声明。
根据具体情况,你可以检查并修复这些问题,以解决编译错误。
相关问题
/usr/bin/ld: /home/sparks/xarm_ws/devel/lib/libxarm_hw.so: undefined reference to `xarm_api::XArmDriver::init(ros::NodeHandle&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, bool)' collect2: error: ld returned 1 exit status make[2]: *** [xarm_ros/xarm_controller/CMakeFiles/uf_ros_controller.dir/build.make:127:/home/sparks/xarm_ws/devel/lib/xarm_controller/uf_ros_controller] 错误 1 make[1]: *** [CMakeFiles/Makefile2:6948:xarm_ros/xarm_controller/CMakeFiles/uf_ros_controller.dir/all] 错误 2 make[1]: *** 正在等待未完成的任务.... [100%] Linking CXX executable /home/sparks/xarm_ws/devel/lib/xarm_controller/xarm_combined_traj_controller /usr/bin/ld: /home/sparks/xarm_ws/devel/lib/libxarm_hw.so: undefined reference to `xarm_api::XArmDriver::init(ros::NodeHandle&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, bool)' collect2: error: ld returned 1 exit status make[2]: *** [xarm_ros/xarm_controller/CMakeFiles/xarm_combined_traj_controller.dir/build.make:167:/home/sparks/xarm_ws/devel/lib/xarm_controller/xarm_combined_traj_controller] 错误 1 make[1]: *** [CMakeFiles/Makefile2:6576:xarm_ros/xarm_controller/CMakeFiles/xarm_combined_traj_controller.dir/all] 错误 2 make: *** [Makefile:141:all] 错误 2 Invoking "make -j12 -l12" failed
这个错误是由于链接器无法找到 `xarm_api::XArmDriver::init` 函数的定义而引起的。请确保你的代码中包含了正确的头文件,并且链接器能够找到相关的库文件。另外,还需要检查是否正确地初始化了 `ros::NodeHandle` 对象以及其他必要的参数。如果这些都没有问题,可能需要检查你的库文件是否正确编译并位于正确的位置。
RawDataStreamPa::RawDataStreamPa(bool is_ros_subscriber) : pnh_(ros::NodeHandle("~")), flag_publish_(false), is_ros_subscriber_(is_ros_subscriber) { }
这是一个C++程序,它定义了一个名为RawDataStreamPa的类的构造函数。
在这个构造函数中,会创建一个ros::NodeHandle对象,并将一个bool类型的变量初始化为输入参数is_ros_subscriber。
其中,ros::NodeHandle("~")表示创建一个名为"~"的节点句柄,用于访问ROS系统的各种服务。
flag_publish_和is_ros_subscriber_变量都被初始化为false。
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