zephyr

History

Marc Herbert 2cd51a33ce samples: make find_package(Zephyr...) REQUIRED This provides a better error message when building with CMake and forgetting ZEPHYR_BASE or not registering Zephyr in the CMake package registry. See parent commit for more details (split from parent for better readability). Signed-off-by: Marc Herbert <marc.herbert@intel.com>		2020-05-29 10:47:25 +02:00
..
src	…
CMakeLists.txt	samples: make find_package(Zephyr...) REQUIRED	2020-05-29 10:47:25 +02:00
README.rst	…
prj.conf	…
sample.yaml	…

README.rst

.. _hello_world:

Hello World
###########

Overview
********

A simple sample that can be used with any :ref:`supported board <boards>` and
prints "Hello World" to the console.

Building and Running
********************

This application can be built and executed on QEMU as follows:

.. zephyr-app-commands::
   :zephyr-app: samples/hello_world
   :host-os: unix
   :board: qemu_x86
   :goals: run
   :compact:

To build for another board, change "qemu_x86" above to that board's name.

Sample Output
=============

.. code-block:: console

    Hello World! x86

Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`.