DCAM IIDC camera

[ 1161.810809] usb 10-2: new SuperSpeed Gen 1 USB device number 5 using xhci_hcd
[ 1161.874950] usb 10-2: New USB device found, idVendor=1e10, idProduct=3300, bcdDevice= 0.00
[ 1161.874953] usb 10-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1161.874955] usb 10-2: Product: Chameleon3 CM3-U3-31S4C
[ 1161.874957] usb 10-2: Manufacturer: Point Grey Research
[ 1161.874959] usb 10-2: SerialNumber: 01232DBD

basler

[1293873.210971] usb 3-1.4.4: Product: acA2040-55uc
[1293873.210972] usb 3-1.4.4: Manufacturer: Basler
[1293873.210973] usb 3-1.4.4: SerialNumber: 23255275

/etc/udev/rules.d/50-flir.rules (arch)

# Point grey
SUBSYSTEM=="usb", ATTR{idVendor}=="1e10", MODE:="0666", TAG+="uaccess"
# Basler
SUBSYSTEM=="usb", ATTR{idVendor}=="2676", MODE:="0666", TAG+="uaccess", TAG+="udev-acl"

/etc/default/grub

... usbcore.usbfs_memory_mb=1000

or temporary

sudo sh -c 'echo 1000 > /sys/module/usbcore/parameters/usbfs_memory_mb'

disable autosuspend

sudo bash -c 'echo -1 > /sys/module/usbcore/parameters/autosuspend'

yay libdc1394

download pylon

tar zxvf pylon-5.2.0.13457-x86_64.tar.gz
cd pylon-5.2.0.13457-x86_64
sudo tar -C /opt -xzvf pylonSDK*.tar.gz

test

/opt/pylon5/bin/PylonViewerApp

python

pip install https://github.com/basler/pypylon/releases/download/1.5.1/pypylon-1.5.1-cp37-cp37m-linux_x86_64.whl

focal length = (known pixel Width * knownDistance) / known width

Distance (cm/inches/etc.) =( known Width * focal length) / pixel Width