omrdk

This is an instruction of building Raspberry Pi systems with Yocto Project.

1# Below packages must installed on your host system(18.04 or 20.04 ubuntu).
build-essential, chrpath, diffstat, gawk, libncurses5-dev, python3-distutils, texinfo

2# You should change the default Ubuntu shell from dash to bash by running this command from a shell:
sudo dpkg-reconfigure dash  :: Choose No to dash when prompted.

3# First clone the main Yocto project poky layer with this command:
~$ git clone -b dunfell git://git.yoctoproject.org/poky.git poky-dunfell

omrdk

# HOTPLUGGING W/ UDEV

[Udev rule]
// Create udev rule file    
    sudo touch /etc/udev/rules.d/66-hotplug.rules
// Fill the file with:
    KERNEL=="sd[a-z][0-9]*", SUBSYSTEM=="block", ACTION=="add",    RUN+="/usr/local/bin/mount.sh &" 
    KERNEL=="sd[a-z][0-9]*", SUBSYSTEM=="block", ACTION=="remove", RUN+="/usr/local/bin/umount.sh &"
// Scripts will be called whenever you plug/unplug(add/remove) usb.