Flash Luckfox Lyra Pi with mixed "Ubuntu" image

• benfre

  Posts: 2

  Joined: 2025-05-28 1:51

  2025-08-29 14:52

  If you what to use a self made "Ubuntu" system on Lyra Pi, as the method as posted in /viewtopic.php?t=2069
  , by Crocodile

  The simple suggestion is to replace the rootfs.img in the Lyra Pi image with the Ubuntu rootfs.img

  My test to flash Lyra Pi with mixed images from the one build from Lyra SDK and community "Ubuntu" image for Lyra_Ultra_eMMC: "Ubuntu_Luckfox_Lyra_Ultra_eMMC_250417.zip" as in post: /viewtopic.php?t=1760
  
  Steps:
  1. build from Lyra SDK for Lyra Pi EMMC (or Luckfox official image?, not tested)
  2. extract "Ubuntu" image and copy 'rootfs.img' to replace the one by Lyra SDK
  

  Code: Select all

  ~/lyra_1.5$ cp ubuntu_image/Ubuntu_Luckfox_Lyra_Ultra_eMMC_250417/rootfs.img buildroot/output/rockchip_rk3506_luckfox/images/rootfs.ext2
  

  3. flash to Lyra Pi EMMC in loader mode using 'rkflash.sh' from SDK
  

  Code: Select all

  ~/lyra_1.5$ ./rkflash.sh all
  

  4. copy 'luckfox-config' from new Lyra SDK 1.5 to booted up system on borad. for Pin diagram and DSI config
  

  Code: Select all

  ~/lyra_1.5$scp output/buildroot/target/usr/bin/luckfox-config [email protected]:/home/lyra/
  

  run on Lyra Pi:
  

  Code: Select all

  lyra@luckfox:~$ sudo ./luckfox-config
  

  After that, in "Ubuntu" system, I config a DSI for 5-DSI-TOUCH-A display, install Xfce desktop
  

  

  If in the desktop rotate display left, rotate touch coordinate with command:
  

  Code: Select all

  xinput set-prop 'pointer:2-005d Goodix Capacitive TouchScreen' 'Coordinate Transformation Matrix' 0 -1 1 1 0 0 0 0 1
  

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