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YDLIDAR LCM PACKAGE V1.3.1

LCM node and test application for YDLIDAR

Visit EAI Website for more details about YDLIDAR.

How to build YDLIDAR LCM package

1) Clone this project to your computer folder
2) Running cmake to build ydlidar_lcm and ydlidar_lcm_client
3) Create the name "/dev/ydlidar" for YDLIDAR
--$ roscd ydlidar_lcm/startup
--$ sudo chmod 777 ./*
--$ sudo sh initenv.sh

How to run YDLIDAR LCM package

  1. Run YDLIDAR node and view using test application

./ydlidar_lcm

./ydlidar_lcm_client

You should see YDLIDAR's scan result in the console

Parameters

port (string, default: /dev/ydlidar)

serial port name used in your system. 

baudrate (int, default: 115200)

serial port baud rate. 

frame_id (string, default: laser_frame)

frame ID for the device. 

low_exposure (low_exposure, default: false)

indicated whether the LIDAR has low light power mode. 

angle_fixed (bool, default: true)

indicated whether the driver needs do angle compensation. 

heartbeat (bool, default: false)

indicated whether the LIDAR IS powered off. 

resolution_fixed (bool, default: true)

indicated whether the LIDAR has a fixed angular resolution. 

angle_min (double, default: -180)

Min valid angle (°) for LIDAR data. 

angle_max (double, default: 180)

Max valid angle (°) for LIDAR data. 

range_min (double, default: 0.08)

Min valid range (m) for LIDAR data. 

range_max (double, default: 16.0)

Max valid range (m) for LIDAR data. 

ignore_array (string, default: "")

Set the current angle range value to zero. 

samp_rate (int, default: 4)

the LIDAR sampling frequency.

frequency (double, default: 7)

the LIDAR scanning frequency.

Upgrade Log

2018-04-16 version:1.3.1

1.Update SDK verison to 1.3.1

2.Increase sampling frequency,scan frequency setting.

3.Unified coordinate system.

4.Repair X4,S4 LIDAR cannot be opened.

5.Increased G4 G4C F4Pro LIDAR power-off protection.

6.Increased S4B LIDAR low optical power setting.

7.Fix the wait time for closing ros node.

8.Compensate for each laser point timestamp.

9.Unified profile, automatic correction lidar model.