Configuration file to build the kernel to access the USB camera connected to the host PC using USBIP from inside the WSL2. Windows 11 + WSL2 + USB Camera + Serial
- Windows 11 (OS build: 22000.194)
- Windows 11 (OS build: 22000.469)
- Windows 11 (OS build: 22000.918)
- Windows 10 (OS build: 19043.1237+)
- Windows 10 (OS build: 19045.2846)
- WSL2
[Mandatory] WSL2 Ubuntu 20.04 or 22.04- https://github.com/microsoft/WSL2-Linux-Kernel
On WSL2.
$ uname -r -v
5.15.90.1-microsoft-standard-WSL2 #1 SMP Fri Jan 27 02:56:13 UTC 2023On Windows Terminal.
C:\> wsl --update
Checking for updates...
Downloading update...
Installing update...
This change will take effect the next time you reboot WSL. To force a reboot, run 'wsl --shutdown'.
Kernel version: 5.10.102.1
C:\> wsl --shutdown# Ubuntu 20.04
C:\> wsl --install -d Ubuntu-20.04
# Ubuntu 22.04
C:\> wsl --install -d Ubuntu-22.04On WSL2. The <windows username> part should be replaced with the user name you are logging on to the Windows host PC. There are two corrections.
$ uname -r -v
5.15.90.1-microsoft-standard-WSL2 #1 SMP Fri Jan 27 02:56:13 UTC 2023
$ sudo apt update && sudo apt upgrade -y
$ sudo apt install -y \
build-essential flex bison \
libgtk-3-dev libelf-dev libncurses-dev autoconf \
libudev-dev libtool zip unzip v4l-utils libssl-dev \
python3-pip cmake git iputils-ping net-tools dwarves \
guvcview python-is-python3 bc
$ cd /usr/src
$ TAGVERNUM=5.15.90.1 \
&& TAGVER=linux-msft-wsl-${TAGVERNUM} \
&& WINUSERNAME=<windows username>
$ sudo git clone --depth 1 -b ${TAGVER} \
https://github.com/microsoft/WSL2-Linux-Kernel.git \
${TAGVERNUM}-microsoft-standard \
&& cd ${TAGVERNUM}-microsoft-standard
$ sudo wget -O .config https://github.com/PINTO0309/wsl2_linux_kernel_usbcam_enable_conf/raw/main/${TAGVER}/config-${WSL_DISTRO_NAME} \
&& sudo chmod 777 .config \
&& sudo make clean
$ sudo make -j$(nproc) KCONFIG_CONFIG=.config \
&& sudo make modules_install -j$(nproc) \
&& sudo make install -j$(nproc)
$ sudo rm /mnt/c/Users/${WINUSERNAME}/vmlinux
$ sudo cp /usr/src/${TAGVERNUM}-microsoft-standard/vmlinux /mnt/c/Users/${WINUSERNAME}/
$ cat << 'EOT' > /mnt/c/Users/${WINUSERNAME}/.wslconfig
[wsl2]
kernel=C:\\Users\\<windows username>\\vmlinux
EOT
On Windows Terminal.
C:\> wsl --shutdownOn WSL2. If the built kernel has been loaded successfully, you will see + at the end of the kernel name. #n is the number of times the kernel was built.
$ uname -r -v
5.15.90.1-microsoft-standard-WSL2+ #1 SMP Sun Apr 16 18:14:34 JST 2023From here, select the TAG for the target kernel version.
https://github.com/microsoft/WSL2-Linux-Kernel/tags
On WSL2.
$ cd /usr/src
$ TAGVERNUM=x.x.x.x
$ TAGVER=linux-msft-wsl-${TAGVERNUM}
$ sudo git clone \
-b ${TAGVER} \
https://github.com/microsoft/WSL2-Linux-Kernel.git \
${TAGVERNUM}-microsoft-standard \
&& cd ${TAGVERNUM}-microsoft-standard
$ sudo cp /proc/config.gz config.gz \
&& sudo gunzip config.gz \
&& sudo mv config .config
$ sudo make menuconfig
# After completing all necessary configurations,
# "save" will save the modified `.config` file.If you receive the following error, please follow the additional steps: USB bandwidth issues may cause the information exchange with the camera to time out.
- Error Message
[ WARN:0] global /tmp/pip-req-build-xw6jtoah/opencv/modules/videoio/src/cap_v4l.cpp (1001) tryIoctl VIDEOIO(V4L2:/dev/video0): select() timeout.
Try one or both of the following.
- Try1. Additional command
$ sudo apt install v4l-utils \
&& sudo chmod 777 /dev/video0 \
&& v4l2-ctl -d /dev/video0 --all
Driver Info:
Driver name : uvcvideo
Card type : papalook FHD Camera: papalook F
Bus info : usb-0000:00:14.0-11.1
Driver version : 5.11.22
Capabilities : 0x84a00001
Video Capture
Metadata Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : uvcvideo
Model : papalook FHD Camera: papalook F
Serial :
Bus info : usb-0000:00:14.0-11.1
Media version : 5.11.22
Hardware revision: 0x00000100 (256)
Driver version : 5.11.22
Interface Info:
ID : 0x03000002
Type : V4L Video
Entity Info:
ID : 0x00000001 (1)
Name : papalook FHD Camera: papalook F
Function : V4L2 I/O
Flags : default
Pad 0x01000007 : 0: Sink
Link 0x02000010: from remote pad 0x100000a of entity 'Extension 3': Data, Enabled, Immutable
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
Width/Height : 1280/720
Pixel Format : 'MJPG' (Motion-JPEG)
Field : None
Bytes per Line : 0
Size Image : 1843200
Colorspace : sRGB
Transfer Function : Rec. 709
YCbCr/HSV Encoding: ITU-R 601
Quantization : Default (maps to Full Range)
Flags :
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 1280, Height 720
Default : Left 0, Top 0, Width 1280, Height 720
Pixel Aspect: 1/1
Selection Video Capture: crop_default, Left 0, Top 0, Width 1280, Height 720, Flags:
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 1280, Height 720, Flags:
$ sudo apt install v4l-utils \
&& sudo chmod 777 /dev/video2 \
&& v4l2-ctl -d /dev/video2 --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
Type: Video Capture
[0]: 'GREY' (8-bit Greyscale)
Size: Discrete 256x144
Interval: Discrete 0.003s (300.000 fps)
Interval: Discrete 0.011s (90.000 fps)
Size: Discrete 424x240
Interval: Discrete 0.011s (90.000 fps)
Interval: Discrete 0.017s (60.000 fps)
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Interval: Discrete 0.167s (6.000 fps)
:
Size: Discrete 1280x720
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Interval: Discrete 0.167s (6.000 fps)
[2]: 'GREY' (8-bit Greyscale)
Size: Discrete 256x144
Interval: Discrete 0.003s (300.000 fps)
Interval: Discrete 0.011s (90.000 fps)
Size: Discrete 424x240
Interval: Discrete 0.011s (90.000 fps)Check the WIDTH and HEIGHT of the standard resolution displayed, and correct the input resolution listed in usbcam_test.py.
e.g.
From:
frame = cv2.resize(frame, (640, 480))To:
frame = cv2.resize(frame, (1280, 720))Run it again.
$ sudo chmod 777 /dev/video* && python ${HOME}/usbcam_test.py-
Try2. It may not work well with UVC-compatible USB cameras depending on their compatibility. Try replacing several USB cameras. The following cameras were recognized successfully. I have tried four different USB cameras and only one was successful.
- ELP 8 Megapixel USB Camera Module High Definition 2448P Webcam Wide Angle 180 Degree Fisheye Camera Module Full HD High Speed 2448P 15FPS Camera HD
- OAK-D-Lite
- https://github.com/luxonis/depthai
# Disable the Windows Defender Firewall $ python3 install_requirements.py $ python3 -m pip install blobconverter --upgrade $ sudo echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="03e7", MODE="0666"' | \ sudo tee /etc/udev/rules.d/80-movidius.rules $ service udev restart $ sudo udevadm control --reload-rules && sudo udevadm trigger $ python3 depthai_demo.py
- https://github.com/luxonis/depthai
- Built-in camera for Thinkpad laptops
- RealSense D435
- RealSense L515
- Elecom WEBCAM-102BK Webcam Conference Camera https://www.amazon.co.jp/gp/product/B08BHWR8ZR/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1&language=ja_JP
-
Confirmed to work with Windows 11 Home (21H2) OS build: 22000.194
-
Confirmed to work with Windows 11 Pro (21H2) OS build: 22000.469
-
Confirmed to work with Windows 10 Pro (21H1) OS build: 19043.1237
