@小鱼 好的 我尝试一下
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JerryNing 发布的最佳帖子
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ros2 humble 版本创建功能包是warning
Unknown license 'TODO: License declaration'. This has been set in the package.xml, but no LICENSE file has been created.
具体代码:
ning@ning-virtual-machine:~/chapt2/chapt2_ws/src$ ros2 pkg create example.py --build-type ament_python --dependencies rclpy
going to create a new package
package name: example.py
destination directory: /home/ning/chapt2/chapt2_ws/src
package format: 3
version: 0.0.0
description: TODO: Package description
maintainer: ['ning ning@todo.todo']
licenses: ['TODO: License declaration']
build type: ament_python
dependencies: ['rclpy']
creating folder ./example.py
creating ./example.py/package.xml
creating source folder
creating folder ./example.py/example.py
creating ./example.py/setup.py
creating ./example.py/setup.cfg
creating folder ./example.py/resource
creating ./example.py/resource/example.py
creating ./example.py/example.py/init.py
creating folder ./example.py/test
creating ./example.py/test/test_copyright.py
creating ./example.py/test/test_flake8.py
creating ./example.py/test/test_pep257.py[WARNING]: Unknown license 'TODO: License declaration'. This has been set in the package.xml, but no LICENSE file has been created.
It is recommended to use one of the ament license identitifers:
Apache-2.0
BSL-1.0
BSD-2.0
BSD-2-Clause
BSD-3-Clause
GPL-3.0-only
LGPL-3.0-only
MIT
MIT-0 -
RE: 在自定义服务环节出现了问题,求解决!
<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>village_interfaces</name>
<version>0.0.0</version>
<description>TODO: Package description</description>
<maintainer email="ning@todo.todo">ning</maintainer>
<license>TODO: License declaration</license><buildtool_depend>ament_cmake</buildtool_depend>
<member_of_group>rosidl_interface_packages</member_of_group> #添加这一行<test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend><export>
<build_type>ament_cmake</build_type>
</export>
</package> -
RE: 在自定义服务环节出现了问题,求解决!
cmake_minimum_required(VERSION 3.5)
project(village_interfaces)Default to C99
if(NOT CMAKE_C_STANDARD)
set(CMAKE_C_STANDARD 99)
endif()Default to C++14
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 14)
endif()if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compile_options(-Wall -Wextra -Wpedantic)
endif()find dependencies
find_package(ament_cmake REQUIRED)
find_package(sensor_msgs REQUIRED)
find_package(rosidl_default_generators REQUIRED)uncomment the following section in order to fill in
further dependencies manually.
find_package(<dependency> REQUIRED)
if(BUILD_TESTING)
find_package(ament_lint_auto REQUIRED)the following line skips the linter which checks for copyrights
uncomment the line when a copyright and license is not present in all source files
#set(ament_cmake_copyright_FOUND TRUE)
the following line skips cpplint (only works in a git repo)
uncomment the line when this package is not in a git repo
#set(ament_cmake_cpplint_FOUND TRUE)
ament_lint_auto_find_test_dependencies()
endif()rosidl_generate_interfaces(${PROJECT_NAME}
"msg/Novel.msg"
"srv/BorrowMoney.srv"
DEPENDENCIES sensor_msgs
)ament_package()
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RE: 在自定义服务环节出现了问题,求解决!
BorrowMoney.srv
String name uint32 money --- bool success uint32 money
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RE: 建立话题发布的时候提示timer_callback referenced before assignment
@小鱼 更改之后还是会提醒未声名timer_callback
import rclpy
from rclpy.node import Node
from std_msgs.msg import String,UInt32class WriterNode(Node):
def init(self,name):super().__init__(name) self.get_logger().info("dajiahao woshizuojia %s"%name) #声明并创建发布者 self.pub_novel=self.create_publisher(String,"sexy_gril",10) self.count=0 self.timer_period=5 self.timer=self.create_timer(self.timer_period,timer_callback) self.account=80 self.syb_money=self.create_subscription(UInt32,"sexy_girl_money",self.recv_money_callback,10) def recv_money_callback(self,money): self.account+=money.data self.get_logger().info("shoudaole%ddegaofei xianzaizhanghuliyou%dqian"%(money.data,self.count)) def timer_callback(self): msg=String() msg.data="我是一个帅哥%d"%(self.count) self.pub_novel.publish(msg) self.get_logger().info("发布了一个章节的小说,内容是%s"%msg.data) self.count+=1
def main(args=None):
rclpy.init(args=args)
li4_node=WriterNode("li5")
rclpy.spin(li4_node)
rclpy.shutdown()