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kumquat-buildroot/board/stmicroelectronics/stm32f469-disco
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Giulio Benetti 6b2232ea09 board/stmicroelectronics/stm32f469-disco/genimage.cfg: beautify file 
Beatify this genimage .cfg file to have consistency with all genimage .cfg
files in Buildroot.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2021-11-08 22:59:34 +01:00
..
patches configs/stm32f469_disco_xip_defconfig: alternative defconfig for XIP 2021-08-28 16:58:21 +02:00
extlinux.conf
flash_xip.sh configs/stm32f469_disco_xip_defconfig: alternative defconfig for XIP 2021-08-28 16:58:21 +02:00
flash.sh
genimage.cfg board/stmicroelectronics/stm32f469-disco/genimage.cfg: beautify file 2021-11-08 22:59:34 +01:00
linux-xip.config configs/stm32f469_disco_xip_defconfig: alternative defconfig for XIP 2021-08-28 16:58:21 +02:00
linux.fragment configs/stm32f469_disco: enable Linux DRM support 2021-10-26 21:34:03 +02:00
post-build.sh
readme_xip.txt configs/stm32f469_disco_xip_defconfig: alternative defconfig for XIP 2021-08-28 16:58:21 +02:00
readme.txt configs/stm32f469_disco: enable Linux DRM support 2021-10-26 21:34:03 +02:00

readme.txt 

STM32F469 Discovery
===================

This tutorial describes how to use the predefined Buildroot
configuration for the STM32F469 Discovery evaluation platform.

Building
--------

  make stm32f469_disco_defconfig
  make

Flashing
--------

  ./board/stmicroelectronics/stm32f469-disco/flash.sh output/

It will flash the U-boot bootloader.

Creating SD card
----------------

Buildroot prepares an"sdcard.img" image in the output/images/ directory,
ready to be dumped on a SD card. Launch the following command as root:

  dd if=output/images/sdcard.img of=/dev/<your-sd-device>

*** WARNING! This will destroy all the card content. Use with care! ***

For details about the medium image layout and its content, see the
definition in board/stmicroelectronics/stm32f469-disco/genimage.cfg.

Framebuffer
-----------
After Linux boots, /dev/fb0 will be accessible. You can control the
brightness of the display after enabling the framebuffer by running the
following commands:

   # echo 0 0 > /sys/class/graphics/fb0/pan
   # echo 255 >/sys/class/backlight/40016c00.dsi.0/brightness

The brightness ranges from 0 to 255, as you can see running the
command:

   # cat /sys/class/backlight/40016c00.dsi.0/max_brightness