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- #include "Laser.h"
- #include "laser_message.pb.h"
- Laser_base::Laser_base(int laser_id, Laser_proto::laser_parameter laser_param)
- :m_laser_id(laser_id)
- ,m_laser_param(laser_param)
- ,m_laser_scan_flag(false)
- ,m_laser_statu(LASER_DISCONNECT)
- ,m_points_count(0)
- ,m_save_flag(false)
- {
- mp_thread_receive = NULL;
- mp_thread_transform = NULL;
- mp_thread_publish = NULL;
- init_laser_matrix();
- mp_laser_task = NULL;
- }
- Laser_base::~Laser_base()
- {
-
- disconnect_laser();
- close_save_path();
- }
- //雷达链接设备,为3个线程添加线程执行函数。
- Error_manager Laser_base::connect_laser()
- {
- //检查雷达状态
- if ( m_laser_statu != LASER_DISCONNECT )
- {
- return Error_manager(Error_code::LASER_STATUS_ERROR, Error_level::MINOR_ERROR,
- " Laser_base::connect_laser m_laser_statu != LASER_DISCONNECT ");
- }
- else
- {
- //这里不建议用detach,而是应该在disconnect里面使用join
- //创建接受缓存的线程,不允许重复创建
- if (mp_thread_receive != NULL)
- {
- return Error_manager(Error_code::LASER_CONNECT_FAILED, Error_level::MINOR_ERROR,
- " mp_thread_receive is alive ");
- }
- else
- {
- //接受缓存的线程,线程存活,暂停运行
- m_condition_receive.reset(false, false, false);
- mp_thread_receive = new std::thread(&Laser_base::thread_receive, this);
- }
- //转化数据的线程,不允许重复创建
- if (mp_thread_transform != NULL)
- {
- return Error_manager(Error_code::LASER_CONNECT_FAILED, Error_level::MINOR_ERROR,
- " mp_thread_transform is alive ");
- }
- else
- {
- //转化数据的线程,线程存活,暂停运行
- m_condition_transform.reset(false, false, false);
- mp_thread_transform = new std::thread(&Laser_base::thread_transform, this);
- }
- //发布信息的线程,不允许重复创建
- if (mp_thread_publish != NULL)
- {
- return Error_manager(Error_code::LASER_CONNECT_FAILED, Error_level::MINOR_ERROR,
- " mp_thread_publish is alive ");
- }
- else
- {
- //发布信息的线程,线程存活,循环运行,
- //注:mp_thread_publish 需要线程持续不断的往上位机发送信息,不受任务的影响。
- m_condition_publish.reset(false, true, false);
- mp_thread_publish = new std::thread(&Laser_base::thread_publish, this);
- }
- m_laser_statu = LASER_READY;
- }
- return Error_code::SUCCESS;
- }
- //雷达断开链接,释放3个线程
- Error_manager Laser_base::disconnect_laser()
- {
- //终止队列,防止 wait_and_pop 阻塞线程。
- m_queue_laser_data.termination_queue();
- //杀死3个线程,强制退出
- if (mp_thread_receive)
- {
- m_condition_receive.kill_all();
- }
- if (mp_thread_transform)
- {
- m_condition_transform.kill_all();
- }
- if (mp_thread_publish)
- {
- m_condition_publish.kill_all();
- }
- //回收3个线程的资源
- if (mp_thread_receive)
- {
- mp_thread_receive->join();
- delete mp_thread_receive;
- mp_thread_receive = NULL;
- }
- if (mp_thread_transform)
- {
- mp_thread_transform->join();
- delete mp_thread_transform;
- mp_thread_transform = 0;
- }
- if (mp_thread_publish)
- {
- mp_thread_publish->join();
- delete mp_thread_publish;
- mp_thread_publish = NULL;
- }
- //清空队列
- m_queue_laser_data.clear_and_delete();
- if ( m_laser_statu != LASER_FAULT )
- {
- m_laser_statu = LASER_DISCONNECT;
- }
- return Error_code::SUCCESS;
- }
- //对外的接口函数,负责接受并处理任务单,
- //input:p_laser_task 雷达任务单,基类的指针,指向子类的实例,(多态)
- //注:这个函数为虚函数,实际的处理任务的代码由子类重载并实现。
- Error_manager Laser_base::execute_task(Task_Base* p_laser_task)
- {
- //检查指针
- if(p_laser_task == NULL)
- {
- return Error_manager(Error_code::POINTER_IS_NULL, Error_level::MINOR_ERROR,
- "Laser_base::execute_task failed, POINTER_IS_NULL");
- }
- else
- {
- return Error_manager(Error_code::CLASS_BASE_FUNCTION_CANNOT_USE, Error_level::NEGLIGIBLE_ERROR,
- "Laser_base::execute_task cannot use");
- }
- }
- //检查雷达状态,是否正常运行
- Error_manager Laser_base::check_laser()
- {
- if ( is_ready() )
- {
- return Error_code::SUCCESS;
- }
- return Error_manager(Error_code::LASER_CHECK_FAILED, Error_level::MINOR_ERROR,
- " check_laser failed ");
- }
- //雷达的启动接口函数, 让雷达进行扫描,一般需要子类重载,不同的雷达开始方式不同。
- Error_manager Laser_base::start_scan()
- {
- LOG(INFO) << " Laser_base::start_scan "<< this;
- if ( is_ready() )
- {
- //启动雷达扫描
- m_laser_scan_flag=true; //启动雷达扫描
- m_laser_statu = LASER_BUSY; //雷达状态 繁忙
- m_condition_receive.notify_all(true); //唤醒接受线程
- m_condition_transform.notify_all(true); //唤醒转化线程
- //重置数据
- m_points_count=0;
- m_queue_laser_data.clear_and_delete();
- m_last_data.clear();
- return Error_code::SUCCESS;
- }
- else
- {
- return Error_manager(Error_code::LASER_START_FAILED, Error_level::MINOR_ERROR,
- "Laser_base::start_scan() is not ready ");
- }
- }
- //雷达的停止接口函数, 让雷达停止扫描,一般需要子类重载,不同的雷达结束方式不同。
- Error_manager Laser_base::stop_scan()
- {
- LOG(INFO) << " Laser_base::stop_scan "<< this;
- //stop_scan 只是将 m_laser_scan_flag 改为 stop。
- //然后多线程内部判断 m_laser_scan_flag,然后自动停止线程
- m_laser_scan_flag=false;
- return Error_code::SUCCESS;
- }
- //结束任务单,stop之后,要检查线程状态和数据结果,然后才能 end_task
- Error_manager Laser_base::end_task()
- {
- LOG(INFO) << " Laser_base::end_task "<< this;
- m_laser_scan_flag=false;
- m_condition_receive.notify_all(false);
- m_condition_transform.notify_all(false);
- m_points_count=0;
- m_queue_laser_data.clear_and_delete();
- m_last_data.clear();
- close_save_path();
- //在结束任务单时,将雷达任务状态改为 TASK_OVER 已结束
- if(mp_laser_task !=NULL)
- {
- //判断任务单的错误等级,
- if ( mp_laser_task->get_task_error_manager().get_error_level() <= Error_level::MINOR_ERROR)
- {
- if ( m_laser_statu == LASER_BUSY )
- {
- //故障等级为 NORMAL NEGLIGIBLE_ERROR MINOR_ERROR,则恢复待机,可以接受下一次的任务单
- m_laser_statu = LASER_READY;
- }
- }
- else
- {
- //故障等级为 MAJOR_ERROR CRITICAL_ERROR,则雷达故障,不可以再接受任务单。
- m_laser_statu = LASER_FAULT;
- }
- //强制改为TASK_OVER,不管它当前在做什么。
- mp_laser_task->set_task_statu(TASK_OVER);
- }
- return Error_code::SUCCESS;
- }
- //设置保存文件的路径,并打开文件,
- Error_manager Laser_base::set_open_save_path(std::string save_path,bool is_save)
- {
- m_save_flag = is_save;
- m_points_log_tool.close();
- m_binary_log_tool.close();
- if (is_save == false)
- {
- return Error_code::SUCCESS;
- }
- else
- {
- m_save_path = save_path;
- char pts_file[255] = { 0 };
- sprintf(pts_file, "%s/pts%d.txt", save_path.c_str(), m_laser_id+1);
- m_points_log_tool.open(pts_file);
- //std::cout << "huli m_points_log_tool path "<< pts_file << std::endl;
- char bin_file[255] = { 0 };
- sprintf(bin_file, "%s/laser%d.data", save_path.c_str(), m_laser_id+1);
- m_binary_log_tool.open(bin_file,true);
- return Error_code::SUCCESS;
- }
- }
- //关闭保存文件,推出前一定要执行
- Error_manager Laser_base::close_save_path()
- {
- m_save_flag = false;
- m_points_log_tool.close();
- m_binary_log_tool.close();
- return Error_code::SUCCESS;
- }
- //判断雷达状态是否为待机,如果已经准备好,则可以执行任务。
- //子类重载 is_ready(),里面增加livox sdk后台线程状态的判断。
- bool Laser_base::is_ready()
- {
- return ( get_laser_statu() == LASER_READY );
- }
- //获取雷达状态
- Laser_statu Laser_base::get_laser_statu()
- {
- return m_laser_statu;
- }
- //获取雷达id
- int Laser_base::get_laser_id()
- {
- return m_laser_id;
- }
- //线程执行函数,将二进制消息存入队列缓存,
- void Laser_base::thread_receive()
- {
- LOG(INFO) << " thread_receive start "<< this;
- //接受雷达消息,每次循环只接受一个 Binary_buf
- while (m_condition_receive.is_alive())
- {
- m_condition_receive.wait();
- if ( m_condition_receive.is_alive() )
- {
- //tp_binaty_buf的内存 需要手动分配,然后存入链表。
- //m_queue_laser_data的内存由 Laser_base 基类管理。
- Binary_buf* tp_binaty_buf = new Binary_buf();
- //获取雷达的通信消息缓存
- if (this->receive_buf_to_queue(*tp_binaty_buf))
- {
- //将缓存 存入队列。
- //thread_receive存入前要手动分配内存,thread_transform取出后要记得释放。
- m_queue_laser_data.push(tp_binaty_buf);
- }
- else
- {
- delete tp_binaty_buf;
- tp_binaty_buf=NULL;
- //接受线程无法接受到数据的同时,也收到了雷达停止扫描的信息,那么线程停止
- //如果m_laser_scan_flag停止扫描,但是receive_buf_to_queue仍然能够接受到数据。那么线程继续运行。
- //m_laser_scan_flag停止的瞬间,可能还有残留的数据,需要继续执行。
- if ( !m_laser_scan_flag )
- {
- //停止线程,m_condition_receive.wait() 函数将会阻塞。
- m_condition_receive.set_pass_ever(false);
- }
- }
- }
- }
- LOG(INFO) << " thread_receive end :"<<this;
- return;
- }
- //线程执行函数,转化并处理三维点云。
- void Laser_base::thread_transform()
- {
- LOG(INFO) << " thread_transform start "<< this;
- //转化雷达数据,每次循环只转化一个 Binary_buf,然后得到 t_point3D_cloud.size() 个三维点,
- while (m_condition_transform.is_alive())
- {
- m_condition_transform.wait();
- if ( m_condition_transform.is_alive() )
- {
- //tp_binaty_buf的内存 从链表取出时,就自带内存了。需要手动释放。
- //m_queue_laser_data的内存由 Laser_base 基类管理。
- Binary_buf* tp_binaty_buf=NULL;
- //第1步,从队列中取出缓存。
- int huli_test = m_queue_laser_data.size();
- //thread_receive存入前要手动分配内存,thread_transform取出后要记得释放。
- bool t_pop_flag = m_queue_laser_data.try_pop(tp_binaty_buf);
- /*if ( t_pop_flag )
- {
- std::cout << "huli m_queue_laser_data.size() last = " << huli_test << std::endl;
- std::cout << "huli m_queue_laser_data.size() now = " << m_queue_laser_data.size() << std::endl;
- }*/
- //第2步,处理数据,缓存转化缓存为三维点。
- //如果获取到了 Binary_buf,或者上次有未完成的 m_last_data,那么就执行数据转化。
- //注注注注注意了,扫描停止后,m_last_data一定要保证清空,不能有垃圾数据残留,这会阻塞线程的暂停
- if (t_pop_flag || m_last_data.get_length() > 0)
- {
- //std::cout << "huli thread_transform " << m_queue_laser_data.size() << std::endl;
- //std::cout << "huli t_pop_flag = "<< t_pop_flag << std::endl;
- //缓存类型
- Buf_type t_buf_type = BUF_UNKNOW;
- //雷达扫描结果,三维点云(雷达自身坐标系)
- std::vector<CPoint3D> t_point3D_cloud;
- //第2.1步,缓存转化为三维点。
- if (t_pop_flag)
- {
- if (tp_binaty_buf == NULL)
- {
- //try_pop返回true,但是tp_binaty_buf没有数据,直接跳过。这个一般不可能出现。
- continue;
- }
- else
- {
- //保存雷达通信 二进制的源文件。
- if(m_save_flag)
- {
- m_binary_log_tool.write(tp_binaty_buf->get_buf(), tp_binaty_buf->get_length());
- }
- //缓存转化为三维点。传入新的缓存,
- t_buf_type= this->transform_buf_to_points(tp_binaty_buf, t_point3D_cloud);
- }
- }
- else if(m_last_data.get_length() > 0)
- {
- //缓存转化为三维点。没有新消息,就传null,这将处理 m_last_data 上一次遗留的缓存。
- t_buf_type = this->transform_buf_to_points(NULL, t_point3D_cloud);
- }
- //第2.2步,判断t_buf_type,处理雷达数据。并存入任务单
- if (t_buf_type == BUF_UNKNOW || t_buf_type == BUF_READY)
- {
- //跳过这次循环。
- continue;
- }
- else if (t_buf_type == BUF_DATA || t_buf_type == BUF_START || t_buf_type == BUF_STOP)
- {
- //循环处理雷达数据
- for (int i = 0; i < t_point3D_cloud.size(); ++i)
- {
- //三维点的坐标变换,从雷达自己的坐标系,转化到公共坐标系,(目前以plc为公共坐标系)
- CPoint3D t_point = transform_by_matrix(t_point3D_cloud[i]);
- //保存雷达扫描 三维点云的最终结果。
- if(m_save_flag) {
- char buf[64] = {0};
- sprintf(buf, "%f %f %f\n", t_point.x, t_point.y, t_point.z);
- m_points_log_tool.write(buf, strlen(buf));
- //std::cout << "huli m_points_log_tool.write" << std::endl;
- }
- //此时 t_point 为雷达采集数据的结果,转换后的三维点云。
- //将每个点存入任务单里面的点云容器。
- if(mp_laser_task!=NULL)
- {
- Error_manager t_error= mp_laser_task->task_push_point(pcl::PointXYZ(t_point.x,t_point.y,t_point.z));
- if ( t_error != Error_code::SUCCESS )
- {
- mp_laser_task->get_task_error_manager().compare_and_cover_error(t_error);
- stop_scan();
- }
- }
- }
- //统计扫描点个数。
- m_points_count += t_point3D_cloud.size();
- //思科雷达停止扫描。
- if (t_buf_type == BUF_STOP)
- {
- //注:这个只是思科的雷达停止处,不同的雷达在不同的地方调用 stop_scan
- stop_scan();
- }
- }
- }
- else
- {
- //转化线程 不需要数据的同时,也收到了雷达停止扫描的信息并且接受线程已经停止,那么停止转化线程,
- //注:必须先停止接受线程,再停止转化线程。转化线程停止之后即可结束任务。
- //如果m_laser_scan_flag停止扫描,接受线程和转化线程还有未完成的数据。那么线程继续运行。
- //m_laser_scan_flag停止的瞬间,可能还有残留的数据,需要继续执行。防止数据遗留。
- if ( !m_laser_scan_flag && m_condition_receive.get_pass_ever() == false)
- {
- //停止线程,m_condition_transform.wait() 函数将会阻塞。
- m_condition_transform.set_pass_ever(false);
- //mp_thread_transform 停止时,雷达扫描任务彻底完成,此时结束任务
- end_task();
- }
- }
- //第3步,手动释放缓存
- if ( tp_binaty_buf != NULL )
- {
- delete tp_binaty_buf;
- }
- }
- }
- LOG(INFO) << " thread_transform end "<< this;
- return;
- }
- //公开发布雷达信息的功能函数,
- #include "../tool/MeasureTopicPublisher.h"
- Error_manager Laser_base::publish_laser_to_message()
- {
- //usleep(5*1000*1000);
- laser_message::laserMsg msg;
- laser_message::laserStatus status;
- if(get_laser_statu()==LASER_READY) status=laser_message::eLaserConnected;
- else if(get_laser_statu()==LASER_DISCONNECT) status=laser_message::eLaserDisconnected;
- else if(get_laser_statu()==LASER_BUSY) status=laser_message::eLaserBusy;
- else if(get_laser_statu()==LASER_FAULT) status=laser_message::eLaserDisconnected;
- else status=laser_message::eLaserUnknown;
- msg.set_id(m_laser_id);
- msg.set_laser_status(status);
- msg.set_queue_data_count(m_queue_laser_data.size());
- msg.set_cloud_count(m_points_count);
- MeasureTopicPublisher::GetInstance()->Publish(msg.SerializeAsString());
- return SUCCESS;
- }
- //线程执行函数,公开发布雷达的相关信息,用作上位机的监视。
- void Laser_base::thread_publish(Laser_base *p_laser)
- {
- LOG(INFO) << " thread_publish start ";
- if(p_laser==NULL)
- {
- return;
- }
- while (p_laser->m_condition_publish.is_alive())
- {
- p_laser->m_condition_publish.wait();
- if ( p_laser->m_condition_publish.is_alive() )
- {
- p_laser->publish_laser_to_message();
- //每隔300ms,发送一次雷达信息状态。
- std::this_thread::sleep_for(std::chrono::milliseconds(300));
- }
- }
- LOG(INFO) << " thread_publish end ";
- return;
- }
- //初始化变换矩阵,设置默认值
- Error_manager Laser_base::init_laser_matrix()
- {
- if ( LASER_MATRIX_ARRAY_SIZE == 12 )
- {
- //详见转化的算法transfor。保证转化前后坐标一致。
- mp_laser_matrix[0] = 1;
- mp_laser_matrix[1] = 0;
- mp_laser_matrix[2] = 0;
- mp_laser_matrix[3] = 0;
- mp_laser_matrix[4] = 0;
- mp_laser_matrix[5] = 1;
- mp_laser_matrix[6] = 0;
- mp_laser_matrix[7] = 0;
- mp_laser_matrix[8] = 0;
- mp_laser_matrix[9] = 0;
- mp_laser_matrix[10] = 1;
- mp_laser_matrix[11] = 0;
- }
- else
- {
- for (int i = 0; i < LASER_MATRIX_ARRAY_SIZE; ++i)
- {
- //设为0之后,变换之后,新的点坐标全部为0
- mp_laser_matrix[i] = 0;
- }
- }
- return Error_code::SUCCESS;
- }
- //设置变换矩阵,用作三维点的坐标变换,
- Error_manager Laser_base::set_laser_matrix(double* p_matrix, int size)
- {
- if ( p_matrix == NULL )
- {
- return Error_manager(Error_code::POINTER_IS_NULL, Error_level::MINOR_ERROR,
- " set_laser_matrix p_matrix IS_NULL ");
- }
- else if ( size != LASER_MATRIX_ARRAY_SIZE )
- {
- return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
- " set_laser_matrix size is not Match");
- }
- else
- {
- memcpy(mp_laser_matrix, p_matrix, LASER_MATRIX_ARRAY_SIZE * sizeof(double));
- return Error_code::SUCCESS;
- }
- }
- //三维点的坐标变换的功能函数,从雷达自己的坐标系,转化到公共坐标系,(目前以plc为公共坐标系)
- CPoint3D Laser_base::transform_by_matrix(CPoint3D point)
- {
- CPoint3D result;
- double x = point.x;
- double y = point.y;
- double z = point.z;
- result.x = x * mp_laser_matrix[0] + y*mp_laser_matrix[1] + z*mp_laser_matrix[2] + mp_laser_matrix[3];
- result.y = x * mp_laser_matrix[4] + y*mp_laser_matrix[5] + z*mp_laser_matrix[6] + mp_laser_matrix[7];
- result.z = x * mp_laser_matrix[8] + y*mp_laser_matrix[9] + z*mp_laser_matrix[10] + mp_laser_matrix[11];
- return result;
- }
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