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dreamDeckAutopilot/sensors/livox_ros_driver2/src/comm/pub_handler.h
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2026-07-27 13:51:19 +08:00

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//
// The MIT License (MIT)
//
// Copyright (c) 2022 Livox. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#ifndef LIVOX_DRIVER_PUB_HANDLER_H_
#define LIVOX_DRIVER_PUB_HANDLER_H_
#include <atomic>
#include <cstring>
#include <condition_variable> // std::condition_variable
#include <deque>
#include <functional>
#include <map>
#include <memory>
#include <mutex> // std::mutex
#include <thread>
#include "livox_lidar_def.h"
#include "livox_lidar_api.h"
#include "comm/comm.h"
namespace livox_ros {
class LidarPubHandler {
public:
LidarPubHandler();
~ LidarPubHandler() {}
void PointCloudProcess(RawPacket& pkt);
void SetLidarsExtParam(LidarExtParameter param);
void GetLidarPointClouds(std::vector<PointXyzlt>& points_clouds);
uint64_t GetRecentTimeStamp();
uint32_t GetLidarPointCloudsSize();
uint64_t GetLidarBaseTime();
private:
void LivoxLidarPointCloudProcess(RawPacket & pkt);
void ProcessCartesianHighPoint(RawPacket & pkt);
void ProcessCartesianLowPoint(RawPacket & pkt);
void ProcessSphericalPoint(RawPacket & pkt);
std::vector<PointXyzlt> points_clouds_;
ExtParameterDetailed extrinsic_ = {
{0, 0, 0},
{
{1, 0, 0},
{0, 1, 1},
{0, 0, 1}
}
};
std::mutex mutex_;
std::atomic_bool is_set_extrinsic_params_;
};
class PubHandler {
public:
using PointCloudsCallback = std::function<void(PointFrame*, void *)>;
using ImuDataCallback = std::function<void(ImuData*, void*)>;
using TimePoint = std::chrono::high_resolution_clock::time_point;
PubHandler() {}
~ PubHandler() { Uninit(); }
void Uninit();
void RequestExit();
void Init();
void SetPointCloudConfig(const double publish_freq);
void SetPointCloudsCallback(PointCloudsCallback cb, void* client_data);
void AddLidarsExtParam(LidarExtParameter& extrinsic_params);
void ClearAllLidarsExtrinsicParams();
void SetImuDataCallback(ImuDataCallback cb, void* client_data);
private:
//thread to process raw data
void RawDataProcess();
std::atomic<bool> is_quit_{false};
std::shared_ptr<std::thread> point_process_thread_;
std::mutex packet_mutex_;
std::condition_variable packet_condition_;
//publish callback
void CheckTimer(uint32_t id);
void PublishPointCloud();
static void OnLivoxLidarPointCloudCallback(uint32_t handle, const uint8_t dev_type,
LivoxLidarEthernetPacket *data, void *client_data);
static bool GetLidarId(LidarProtoType lidar_type, uint32_t handle, uint32_t& id);
static uint64_t GetEthPacketTimestamp(uint8_t timestamp_type, uint8_t* time_stamp, uint8_t size);
PointCloudsCallback points_callback_;
void* pub_client_data_ = nullptr;
ImuDataCallback imu_callback_;
void* imu_client_data_ = nullptr;
PointFrame frame_;
std::deque<RawPacket> raw_packet_queue_;
//pub config
uint64_t publish_interval_ = 100000000; //100 ms
uint64_t publish_interval_tolerance_ = 100000000; //100 ms
uint64_t publish_interval_ms_ = 100; //100 ms
TimePoint last_pub_time_;
std::map<uint32_t, std::unique_ptr<LidarPubHandler>> lidar_process_handlers_;
std::map<uint32_t, std::vector<PointXyzlt>> points_;
std::map<uint32_t, LidarExtParameter> lidar_extrinsics_;
static std::atomic<bool> is_timestamp_sync_;
uint16_t lidar_listen_id_ = 0;
};
PubHandler &pub_handler();
} // namespace livox_ros
#endif // LIVOX_DRIVER_PUB_HANDLER_H_