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README.md

This is the repository of the distribution specific Yocto layer for the Stromer Medusa hardware.

Patches:

Fixed recipe version:

Busybox configuration (1.27.2):

  • git clone https://github.com/mirror/busybox.git && cd busybox && git reset --hard 1_27_2 && make defconfig && make menuconfig
  • set "Busybox Settings ---> Build shared libbusybox" to Y; Remark: Small binaries result in faster startup time.
  • set "Init Utilities ---> init" to N; Remark: To avoid conflicts with systemd's runlevel.
  • set "Init Utilities ---> linuxrc" to N; Remark: Not needed with systemd.
  • set "Coreutils ---> link" to N; Remark: To avoid conflicts with coreutils.
  • set "Coreutils ---> nice" to N; Remark: To avoid conflicts with coreutils.
  • set "Coreutils ---> printenv" to N; Remark: To avoid conflicts with coreutils.
  • set "Coreutils ---> w" to N; Remark: To avoid conflicts with procps.
  • set "Linux System Utilities ---> cal" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> fallocate" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> fdformat" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> fsfreeze" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> ipcrm" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> ipcs" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> nsenter" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> rtcwake" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> script" to N; Remark: To avoid conflicts with util-linux.
  • set "Linux System Utilities ---> unshare" to N; Remark: To avoid conflicts with util-linux.
  • set "Miscellaneous Utilities ---> chat" to N; Remark: To avoid conflicts with ppp.
  • set "Process Utilities ---> lsof" to N; To avoid hiding the full blown lsof.

Ideas and todo's for reducing boot time (to Gui):

Ideas for reducing boot time (to drivable vehicle)

  • Make service (using cansend or better an own mini-application) sending CANopen SYNC messages to wake up nodes just after can0.service has been started.
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