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As of today <zephyr/zephyr.h> is 100% equivalent to <zephyr/kernel.h>. This patch proposes to then include <zephyr/kernel.h> instead of <zephyr/zephyr.h> since it is more clear that you are including the Kernel APIs and (probably) nothing else. <zephyr/zephyr.h> sounds like a catch-all header that may be confusing. Most applications need to include a bunch of other things to compile, e.g. driver headers or subsystem headers like BT, logging, etc. The idea of a catch-all header in Zephyr is probably not feasible anyway. Reason is that Zephyr is not a library, like it could be for example `libpython`. Zephyr provides many utilities nowadays: a kernel, drivers, subsystems, etc and things will likely grow. A catch-all header would be massive, difficult to keep up-to-date. It is also likely that an application will only build a small subset. Note that subsystem-level headers may use a catch-all approach to make things easier, though. NOTE: This patch is **NOT** removing the header, just removing its usage in-tree. I'd advocate for its deprecation (add a #warning on it), but I understand many people will have concerns. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no> |
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README.rst
.. _pca9633: PCA9633: 4-Channel RGB ###################### Overview ******** This sample controls 4 LEDs connected to a PCA9633 driver, using the following pattern: 1. turn on LEDs 2. turn off LEDs 3. set the brightness to 50% 4. turn off LEDs 5. blink the LEDs 6. turn off LEDs Building and Running ******************** Build the application for the :ref:`nucleo_f334r8_board` board, and connect a PCA9633 LED driver on the bus I2C Arduino. .. zephyr-app-commands:: :zephyr-app: samples/drivers/led_pca9633 :board: nucleo_f334r8_board :goals: build :compact: For flashing the application, refer to the Flashing section of the :ref:`nucleo_f334r8_board` board documentation. References ********** - PCA9633: https://www.nxp.com/docs/en/data-sheet/PCA9633.pdf