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Sem van der Hoeven
2023-03-03 10:15:52 +00:00
commit 5ce3d43841
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38
cpp_pubsub/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.8)
project(cpp_pubsub)
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)
# uncomment the following section in order to fill in
# further dependencies manually.
# find_package(<dependency> REQUIRED)
find_package(rclcpp REQUIRED)
find_package(std_msgs REQUIRED)
add_executable(talker src/publisher_member_function.cpp)
ament_target_dependencies(talker rclcpp std_msgs)
add_executable(listener src/subscriber_member_function.cpp)
ament_target_dependencies(listener rclcpp std_msgs)
install(TARGETS
talker
listener
DESTINATION lib/${PROJECT_NAME})
if(BUILD_TESTING)
find_package(ament_lint_auto REQUIRED)
# the following line skips the linter which checks for copyrights
# comment the line when a copyright and license is added to all source files
set(ament_cmake_copyright_FOUND TRUE)
# the following line skips cpplint (only works in a git repo)
# comment the line when this package is in a git repo and when
# a copyright and license is added to all source files
set(ament_cmake_cpplint_FOUND TRUE)
ament_lint_auto_find_test_dependencies()
endif()
ament_package()

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<?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>cpp_pubsub</name>
<version>0.0.0</version>
<description>Example of publisher/subscriber nodes in ROS 2 for the 5G drone</description>
<maintainer email="xieoqhzjggvwoklfui@bbitj.com">ic</maintainer>
<license>Apache License 2.0</license>
<buildtool_depend>ament_cmake</buildtool_depend>
<depend>rclcpp</depend>
<depend>std_msgs</depend>
<test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend>
<export>
<build_type>ament_cmake</build_type>
</export>
</package>

56
cpp_pubsub/src/publisher_member_function.cpp Normal file
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// Copyright 2016 Open Source Robotics Foundation, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <chrono>
#include <memory>
#include "rclcpp/rclcpp.hpp"
#include "std_msgs/msg/string.hpp"
using namespace std::chrono_literals;
/* This example creates a subclass of Node and uses std::bind() to register a
* member function as a callback from the timer. */
class MinimalPublisher : public rclcpp::Node
{
public:
MinimalPublisher()
: Node("minimal_publisher"), count_(0)
{
publisher_ = this->create_publisher<std_msgs::msg::String>("topic", 10);
timer_ = this->create_wall_timer(
500ms, std::bind(&MinimalPublisher::timer_callback, this));
}
private:
void timer_callback()
{
auto message = std_msgs::msg::String();
message.data = "Hello, world! " + std::to_string(count_++);
RCLCPP_INFO(this->get_logger(), "Publishing: '%s'", message.data.c_str());
publisher_->publish(message);
}
rclcpp::TimerBase::SharedPtr timer_;
rclcpp::Publisher<std_msgs::msg::String>::SharedPtr publisher_;
size_t count_;
};
int main(int argc, char * argv[])
{
rclcpp::init(argc, argv);
rclcpp::spin(std::make_shared<MinimalPublisher>());
rclcpp::shutdown();
return 0;
}

45
cpp_pubsub/src/subscriber_member_function.cpp Normal file
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// Copyright 2016 Open Source Robotics Foundation, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <memory>
#include "rclcpp/rclcpp.hpp"
#include "std_msgs/msg/string.hpp"
using std::placeholders::_1;
class MinimalSubscriber : public rclcpp::Node
{
public:
MinimalSubscriber()
: Node("minimal_subscriber")
{
subscription_ = this->create_subscription<std_msgs::msg::String>(
"topic", 10, std::bind(&MinimalSubscriber::topic_callback, this, _1));
}
private:
void topic_callback(const std_msgs::msg::String::SharedPtr msg) const
{
RCLCPP_INFO(this->get_logger(), "I heard: '%s'", msg->data.c_str());
}
rclcpp::Subscription<std_msgs::msg::String>::SharedPtr subscription_;
};
int main(int argc, char * argv[])
{
rclcpp::init(argc, argv);
rclcpp::spin(std::make_shared<MinimalSubscriber>());
rclcpp::shutdown();
return 0;
}

37
drone_sensors/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.8)
project(drone_sensors)
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)
# uncomment the following section in order to fill in
# further dependencies manually.
# find_package(<dependency> REQUIRED)
find_package(rclcpp REQUIRED)
find_package(std_msgs REQUIRED)
# add executable so that the node can be run with ros2 run
add_executable(height_sensor src/height_sensor.cpp)
ament_target_dependencies(height_sensor rclcpp std_msgs)
# add install targets section so ros2 run can find the executable
install(TARGETS
height_sensor
DESTINATION lib/${PROJECT_NAME})
if(BUILD_TESTING)
find_package(ament_lint_auto REQUIRED)
# the following line skips the linter which checks for copyrights
# comment the line when a copyright and license is added to all source files
set(ament_cmake_copyright_FOUND TRUE)
# the following line skips cpplint (only works in a git repo)
# comment the line when this package is in a git repo and when
# a copyright and license is added to all source files
set(ament_cmake_cpplint_FOUND TRUE)
ament_lint_auto_find_test_dependencies()
endif()
ament_package()

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<?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>drone_sensors</name>
<version>0.0.0</version>
<description>package for the environment sensors of the 5G drone (height meter, object detection)</description>
<maintainer email="sem.hoeven@gmail.com">Sem van der Hoeven</maintainer>
<license>Apache License 2.0</license>
<buildtool_depend>ament_cmake</buildtool_depend>
<depend>rclcpp</depend>
<depend>std_msgs</depend>
<test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend>
<export>
<build_type>ament_cmake</build_type>
</export>
</package>

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drone_sensors/src/height_sensor.cpp Normal file
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#include <chrono> //time measurement
#include "rclcpp/rclcpp.hpp"
#include "std_msgs/msg/string.hpp"
using namespace std::chrono_literals;
class HeightSensorPublisher : public rclcpp::Node
{
public:
HeightSensorPublisher() : Node("height_sensor_publisher")
{
publisher_ = this->create_publisher<std_msgs::msg::String>("height_sensor", 10);
timer_ = this->create_wall_timer(
500ms, std::bind(&HeightSensorPublisher::timer_callback, this));
}
private:
void timer_callback()
{
auto message = std_msgs::msg::String();
message.data = "Hello heigth sensor!";
RCLCPP_INFO(this->get_logger(), "Publishing: %s", message.data.c_str());
publisher_->publish(message);
}
rclcpp::TimerBase::SharedPtr timer_;
rclcpp::Publisher<std_msgs::msg::String>::SharedPtr publisher_;
};
int main(int argc, char *argv[])
{
rclcpp::init(argc,argv);
rclcpp::spin(std::make_shared<HeightSensorPublisher>());
rclcpp::shutdown();
return 0;
}

35
my_package/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.8)
project(my_package)
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)
# uncomment the following section in order to fill in
# further dependencies manually.
# find_package(<dependency> REQUIRED)
add_executable(my_node src/my_node.cpp)
target_include_directories(my_node PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
target_compile_features(my_node PUBLIC c_std_99 cxx_std_17) # Require C99 and C++17
install(TARGETS my_node
DESTINATION lib/${PROJECT_NAME})
if(BUILD_TESTING)
find_package(ament_lint_auto REQUIRED)
# the following line skips the linter which checks for copyrights
# comment the line when a copyright and license is added to all source files
set(ament_cmake_copyright_FOUND TRUE)
# the following line skips cpplint (only works in a git repo)
# comment the line when this package is in a git repo and when
# a copyright and license is added to all source files
set(ament_cmake_cpplint_FOUND TRUE)
ament_lint_auto_find_test_dependencies()
endif()
ament_package()

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<?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>my_package</name>
<version>0.0.0</version>
<description>TODO: Package description</description>
<maintainer email="ubuntu@todo.todo">ubuntu</maintainer>
<license>TODO: License declaration</license>
<buildtool_depend>ament_cmake</buildtool_depend>
<test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend>
<export>
<build_type>ament_cmake</build_type>
</export>
</package>

10
my_package/src/my_node.cpp Normal file
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#include <cstdio>
int main(int argc, char ** argv)
{
(void) argc;
(void) argv;
printf("hello world my_package package\n");
return 0;
}

0
my_package_py/my_package_py/__init__.py Normal file
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6
my_package_py/my_package_py/my_node_py.py Normal file
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def main():
print('Hi from my_package_py.')
if __name__ == '__main__':
main()

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my_package_py/package.xml Normal file
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<?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>my_package_py</name>
<version>0.0.0</version>
<description>TODO: Package description</description>
<maintainer email="ubuntu@todo.todo">ubuntu</maintainer>
<license>TODO: License declaration</license>
<test_depend>ament_copyright</test_depend>
<test_depend>ament_flake8</test_depend>
<test_depend>ament_pep257</test_depend>
<test_depend>python3-pytest</test_depend>
<export>
<build_type>ament_python</build_type>
</export>
</package>

0
my_package_py/resource/my_package_py Normal file
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4
my_package_py/setup.cfg Normal file
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[develop]
script_dir=$base/lib/my_package_py
[install]
install_scripts=$base/lib/my_package_py

26
my_package_py/setup.py Normal file
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from setuptools import setup
package_name = 'my_package_py'
setup(
name=package_name,
version='0.0.0',
packages=[package_name],
data_files=[
('share/ament_index/resource_index/packages',
['resource/' + package_name]),
('share/' + package_name, ['package.xml']),
],
install_requires=['setuptools'],
zip_safe=True,
maintainer='ubuntu',
maintainer_email='ubuntu@todo.todo',
description='TODO: Package description',
license='TODO: License declaration',
tests_require=['pytest'],
entry_points={
'console_scripts': [
'my_node_py = my_package_py.my_node_py:main'
],
},
)

25
my_package_py/test/test_copyright.py Normal file
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# Copyright 2015 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_copyright.main import main
import pytest
# Remove the `skip` decorator once the source file(s) have a copyright header
@pytest.mark.skip(reason='No copyright header has been placed in the generated source file.')
@pytest.mark.copyright
@pytest.mark.linter
def test_copyright():
rc = main(argv=['.', 'test'])
assert rc == 0, 'Found errors'

25
my_package_py/test/test_flake8.py Normal file
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# Copyright 2017 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_flake8.main import main_with_errors
import pytest
@pytest.mark.flake8
@pytest.mark.linter
def test_flake8():
rc, errors = main_with_errors(argv=[])
assert rc == 0, \
'Found %d code style errors / warnings:\n' % len(errors) + \
'\n'.join(errors)

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my_package_py/test/test_pep257.py Normal file
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# Copyright 2015 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_pep257.main import main
import pytest
@pytest.mark.linter
@pytest.mark.pep257
def test_pep257():
rc = main(argv=['.', 'test'])
assert rc == 0, 'Found code style errors / warnings'

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py_pubsub/package.xml Normal file
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<?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>py_pubsub</name>
<version>0.0.0</version>
<description>Example of publisher/subscriber nodes in Python</description>
<maintainer email="ubuntu@todo.todo">ubuntu</maintainer>
<license>Apache License 2.0</license>
<exec_depend>rclpy</exec_depend>
<exec_depend>std_msgs</exec_depend>
<test_depend>ament_copyright</test_depend>
<test_depend>ament_flake8</test_depend>
<test_depend>ament_pep257</test_depend>
<test_depend>python3-pytest</test_depend>
<export>
<build_type>ament_python</build_type>
</export>
</package>

0
py_pubsub/py_pubsub/__init__.py Normal file
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py_pubsub/py_pubsub/publisher_member_function.py Normal file
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# Copyright 2016 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import rclpy
from rclpy.node import Node
from std_msgs.msg import String
class MinimalPublisher(Node):
def __init__(self):
super().__init__('minimal_publisher')
self.publisher_ = self.create_publisher(String, 'topic', 10)
timer_period = 0.5 # seconds
self.timer = self.create_timer(timer_period, self.timer_callback)
self.i = 0
def timer_callback(self):
msg = String()
msg.data = 'Hello World: %d' % self.i
self.publisher_.publish(msg)
self.get_logger().info('Publishing: "%s"' % msg.data)
self.i += 1
def main(args=None):
rclpy.init(args=args)
minimal_publisher = MinimalPublisher()
rclpy.spin(minimal_publisher)
# Destroy the node explicitly
# (optional - otherwise it will be done automatically
# when the garbage collector destroys the node object)
minimal_publisher.destroy_node()
rclpy.shutdown()
if __name__ == '__main__':
main()

51
py_pubsub/py_pubsub/subscriber_member_function.py Normal file
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# Copyright 2016 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import rclpy
from rclpy.node import Node
from std_msgs.msg import String
class MinimalSubscriber(Node):
def __init__(self):
super().__init__('minimal_subscriber')
self.subscription = self.create_subscription(
String,
'topic',
self.listener_callback,
10)
self.subscription # prevent unused variable warning
def listener_callback(self, msg):
self.get_logger().info('I heard: "%s"' % msg.data)
def main(args=None):
rclpy.init(args=args)
minimal_subscriber = MinimalSubscriber()
rclpy.spin(minimal_subscriber)
# Destroy the node explicitly
# (optional - otherwise it will be done automatically
# when the garbage collector destroys the node object)
minimal_subscriber.destroy_node()
rclpy.shutdown()
if __name__ == '__main__':
main()

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py_pubsub/resource/py_pubsub Normal file
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[develop]
script_dir=$base/lib/py_pubsub
[install]
install_scripts=$base/lib/py_pubsub

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from setuptools import setup
package_name = 'py_pubsub'
setup(
name=package_name,
version='0.0.0',
packages=[package_name],
data_files=[
('share/ament_index/resource_index/packages',
['resource/' + package_name]),
('share/' + package_name, ['package.xml']),
],
install_requires=['setuptools'],
zip_safe=True,
maintainer='ubuntu',
maintainer_email='ubuntu@todo.todo',
description='Example of publisher/subscriber nodes in Python',
license='Apache License 2.0',
tests_require=['pytest'],
entry_points={
'console_scripts': [
'talker = py_pubsub.publisher_member_function:main',
'listener = py_pubsub.subscriber_member_function:main',
],
},
)

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# Copyright 2015 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_copyright.main import main
import pytest
# Remove the `skip` decorator once the source file(s) have a copyright header
@pytest.mark.skip(reason='No copyright header has been placed in the generated source file.')
@pytest.mark.copyright
@pytest.mark.linter
def test_copyright():
rc = main(argv=['.', 'test'])
assert rc == 0, 'Found errors'

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# Copyright 2017 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_flake8.main import main_with_errors
import pytest
@pytest.mark.flake8
@pytest.mark.linter
def test_flake8():
rc, errors = main_with_errors(argv=[])
assert rc == 0, \
'Found %d code style errors / warnings:\n' % len(errors) + \
'\n'.join(errors)

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# Copyright 2015 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ament_pep257.main import main
import pytest
@pytest.mark.linter
@pytest.mark.pep257
def test_pep257():
rc = main(argv=['.', 'test'])
assert rc == 0, 'Found code style errors / warnings'