Lidar publisher process disappears

[alain-lnpcrd]

How are you connecting to your Create 3?

Wi-Fi (ROS 2)

Computer(s) Model(s) and Operating System(s)

laptop amd64 ubuntu 22.04

Which version of ROS 2 is installed on your computer?

Humble

Which firmware version is installed on your robot?

H.2.3

Which RMW is your robot running?

FastRTPS

Does your robot have an assigned namespace? If so, please share.

no

Is the robot connected to a network? If so, what is the network type?

home

Are there multiple Create 3 robots connected to your network?

No

Is multicast enabled?

None

What is the Adapter Board's USB/BLE Toggle currently switched to?

USB

Describe your question.

Hi,
I'm worried about my lidar

moi@pi4b-8go-u-22-04:~/create3_ws$ ros2 launch create3_lidar_slam sensors_launch.py
[INFO] [launch]: All log files can be found below /home/moi/.ros/log/2024-01-12-14-34-58-979790-pi4b-8go-u-22-04-3406
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [static_transform_publisher-1]: process started with pid [3407]
[static_transform_publisher-1] [WARN] [1705066499.546529555] []: Old-style arguments are deprecated; see --help for new-style arguments
[static_transform_publisher-1] [INFO] [1705066499.637504846] [static_transform_publisher_wmODUOVyMAOfggwC]: Spinning until stopped - publishing transform
[static_transform_publisher-1] translation: ('-0.012000', '0.000000', '0.144000')
[static_transform_publisher-1] rotation: ('0.000000', '0.000000', '0.000000', '1.000000')
[static_transform_publisher-1] from 'base_footprint' to 'laser_frame'
[INFO] [rplidar_composition-2]: process started with pid [3418]
[rplidar_composition-2] [INFO] [1705066501.635280502] [rplidar_composition]: RPLidar running on ROS2 package rplidar_ros. RPLIDAR SDK Version:2.0.0
[rplidar_composition-2] [ERROR] [1705066505.700911979] [rplidar_composition]: Error, operation time out. SL_RESULT_OPERATION_TIMEOUT! 
[ERROR] [rplidar_composition-2]: process has died [pid 3418, exit code 255, cmd '/opt/ros/humble/lib/rplidar_ros/rplidar_composition --ros-args -r __node:=rplidar_composition -r __ns:=/ --params-file /home/moi/create3_ws/install/create3_lidar_slam/share/create3_lidar_slam/config/rplidar_node.yaml'].

Info UART

moi@pi4b-8go-u-22-04:~/create3_ws$ lsusb -s 001:005 -v

Bus 001 Device 005: ID 10c4:ea60 Silicon Labs CP210x UART Bridge
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x10c4 Silicon Labs
  idProduct          0xea60 CP210x UART Bridge
  bcdDevice            1.00
  iManufacturer           1 Silicon Labs
  iProduct                2 CP2102 USB to UART Bridge Controller
  iSerial                 3 0001
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0020
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              2 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0

[scottcandy34]

Just for those who see this discussion. Here is how you fix this. iRobotEducation/create3_examples#50