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Using find_package to locate Zephyr. Old behavior was to use $ENV{ZEPHYR_BASE} for inclusion of boiler plate code. Whenever an automatic run of CMake happend by the build system / IDE then it was required that ZEPHYR_BASE was defined. Using ZEPHYR_BASE only to locate the Zephyr package allows CMake to cache the base variable and thus allowing subsequent invocation even if ZEPHYR_BASE is not set in the environment. It also removes the risk of strange build results if a user switchs between different Zephyr based project folders and forgetting to reset ZEPHYR_BASE before running ninja / make. Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no> |
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src | ||
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README.rst | ||
prj.conf | ||
sample.yaml |
README.rst
.. _microbit_display: BBC micro:bit display ##################### Overview ******** A simple example that demonstrates how to use the 5x5 LED matrix display on the BBC micro:bit board. Building ******** This project outputs various things on the BBC micro:bit display. It can be built as follows: .. zephyr-app-commands:: :zephyr-app: samples/boards/bbc_microbit/display :board: bbc_microbit :goals: build :compact: Sample Output ============= The sample app displays a countdown of the characters 9-0, iterates through all pixels one-by-one, displays a smiley face, some animations, and finally the text "Hello Zephyr!" by scrolling.