The driver of ydlidar for ROS on the linux !
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startup add sampling rate for G4 Dec 19, 2017
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.gitignore updete to 1.1.0 Nov 23, 2017
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README.md Optimized interface. Dec 3, 2018
package.xml update version to v1.3.1 Apr 18, 2018
ydlidar.rviz add g4 urdf model Apr 27, 2018

README.md

YDLIDAR ROS PACKAGE V1.3.9

ROS node and test application for YDLIDAR

Visit EAI Website for more details about YDLIDAR.

How to build YDLIDAR ros package

1) Clone this project to your catkin's workspace src folder
2) Running catkin_make to build ydlidar_node and ydlidar_client
3) Create the name "/dev/ydlidar" for YDLIDAR
--$ roscd ydlidar/startup
--$ sudo chmod 777 ./*
--$ sudo sh initenv.sh

How to run YDLIDAR ros package

There're two ways to run YDLIDAR ros package

  1. Run YDLIDAR node and view in the rviz

roslaunch ydlidar lidar_view.launch

You should see YDLIDAR's scan result in the rviz.

  1. Run YDLIDAR node and view using test application

roslaunch ydlidar lidar.launch

rosrun ydlidar ydlidar_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.

reversion (bool, default: false)

indicated whether the LIDAR IS reversion.

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

2018-12-3 version:1.3.9

1.Update SDK verison to 1.3.9

2.Optimized interface.

2018-06-19 version:1.3.3

1.Update SDK verison to 1.3.5

2.add debug MODEL

3.add reversion scan data

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.