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drivers: mb_display: rework bbc:microbit display support

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Rework bbc:microbit display support to use nRF LED matrix
display controller driver and allow to use it with
bbc:microbit v2 board.

This patch turns the driver into a higher level driver
using the display controller API. Code that directly
accesses hardware (GPIO) is removed.
This driver is reworked to be more generic. It still
has a lot of potential for improvement, but it requires
changes in all applications that use this tool.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
This commit is contained in:
Johann Fischer 2021-12-15 23:30:59 +01:00 • committed by Carles Cufí
commit 44585b7fc5
2 changed files with 160 additions and 202 deletions
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3
drivers/display/Kconfig.microbit
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@ -5,9 +5,8 @@
config MICROBIT_DISPLAY
bool "BBC micro:bit 5x5 LED Display support"
depends on BOARD_BBC_MICROBIT
depends on BOARD_BBC_MICROBIT || BOARD_BBC_MICROBIT_V2
depends on PRINTK
depends on GPIO
help
Enable this to be able to display images and text on the 5x5
LED matrix display on the BBC micro:bit.