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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 | ||
| sample.yaml | ||
.. _mpr-sample: MPR Pressure Sensor ################### Overview ******** This sample application periodically (1Hz) measures atmospheric pressure in kilopascal. The result is written to the console. References ********** - MPR: https://sensing.honeywell.com/micropressure-mpr-series Wiring ****** This sample uses an MPRLS0025PA00001A sensor controlled using the i2c interface. Connect **VIN**, **GND** and Interface: **SDA**, **SCL**. Building and Running ******************** This project outputs sensor data to the console. It requires a sensor from the MPR series. It does not work on QEMU. In the sample below the :ref:`arduino_due` board is used. .. zephyr-app-commands:: :zephyr-app: samples/sensor/mpr :board: arduino_due :goals: build flash Sample Output ************* .. code-block:: console pressure value: 101.976303 kPa pressure value: 101.986024 kPa pressure value: 101.989736 kPa pressure value: 101.987424 kPa pressure value: 101.992099 kPa pressure value: 101.989171 kPa pressure value: 101.984226 kPa <repeats endlessly>