Files
5g_drone_ROS2/src/object_detection/src/lidar_reader.cpp
2023-04-20 12:04:26 +02:00

109 lines
2.7 KiB
C++

#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <iostream>
#include "rclcpp/rclcpp.hpp"
#include "object_detection/msg/lidar_reading.hpp"
#include <terabee/ITerarangerFactory.hpp>
#include <terabee/ITerarangerTowerEvo.hpp>
#include <terabee/TowerDistanceData.hpp>
#include <terabee/ImuData.hpp>
using terabee::ImuData;
using terabee::ITerarangerTowerEvo;
using terabee::TowerDistanceData;
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. */
std::ostream &operator<<(std::ostream &os, const TowerDistanceData &d)
{
os << "[";
for (size_t i = 0; i < d.distance.size(); i++)
{
os << i << " " << d.distance[i] << (d.mask[i] ? " <new>, " : " <old>, ");
}
os << "\b\b"
<< " ]";
return os;
}
std::ostream &operator<<(std::ostream &os, const ImuData &d)
{
os << "[";
for (size_t i = 0; i < d.data.size(); i++)
{
os << d.data[i] << ", ";
}
os << "\b\b"
<< " ]";
return os;
}
class LidarReader : public rclcpp::Node
{
public:
LidarReader()
: Node("lidar_reader")
{
publisher_ = this->create_publisher<object_detection::msg::LidarReading>("drone/object_detection", 10);
timer_ = this->create_wall_timer(500ms, std::bind(&LidarReader::read_lidar_data, this));
ITerarangerTowerEvo::ImuMode mode(ITerarangerTowerEvo::QuaternionLinearAcc);
factory = terabee::ITerarangerFactory::getFactory();
tower = factory->createTerarangerTowerEvo("/dev/ttyACM0");
if (!tower)
{
RCLCPP_ERROR(this->get_logger(), "Failed to create TerarangerTowerEvo");
return;
}
tower->setImuMode(mode);
if (!tower->initialize())
{
RCLCPP_ERROR(this->get_logger(), "Failed to initialize TerarangerTowerEvo");
return;
}
}
private:
void read_lidar_data()
{
//TODO publish message with all data from lidar
std::cout << "Distance = " << tower->getDistance() << std::endl;
std::cout << "IMU = " << tower->getImuData() << std::endl;
auto msg = object_detection::msg::LidarReading();
ImuData imu_data = tower->getImuData();
for (size_t i = 0; i < imu_data.data.size(); i++)
{
msg.imu_data.push_back(imu_data.data[i]);
}
}
rclcpp::Publisher<object_detection::msg::LidarReading>::SharedPtr publisher_;
rclcpp::TimerBase::SharedPtr timer_;
// terabee tower evo variables
std::unique_ptr<terabee::ITerarangerTowerEvo> tower;
std::unique_ptr<terabee::ITerarangerFactory> factory;
};
int main(int argc, char *argv[])
{
rclcpp::init(argc, argv);
rclcpp::spin(std::make_shared<LidarReader>());
rclcpp::shutdown();
return 0;
}