zephyr

History

Benjamin Björnsson ab6f5cf077 boards: arm: Add support for Arduino Nicla Sense ME This commit adds support for the Arduino Nicla Sense ME board. The board functionality has been tested using the samples: - hello_world - philosophers - peripheral_dis - spi_flash Signed-off-by: Benjamin Björnsson <benjamin.bjornsson@gmail.com>		2022-03-21 18:37:05 +01:00
..
boards	boards: arm: Add support for Arduino Nicla Sense ME	2022-03-21 18:37:05 +01:00
src	samples: drivers: spi_flash: add support for the NPCX EVB	2021-11-01 21:48:20 -04:00
CMakeLists.txt	cmake: increase minimal required version to 3.20.0	2021-08-20 09:47:34 +02:00
prj.conf	samples: spi_flash: remove an unnecessary config symbol	2017-02-04 19:45:44 +00:00
README.rst	samples: spi_flash: add README	2020-08-27 12:39:43 -04:00
sample.yaml	samples: spi_flash: Add compatibility with st,stm32-qspi-nor	2021-01-15 10:29:30 -05:00

README.rst

.. _spi-nor-sample:

JEDEC SPI-NOR Sample
####################

Overview
********

This sample demonstrates using the flash API on a SPI NOR serial flash
memory device.  While trivial it is an example of direct access and
allows confirmation that the flash is working and that automatic power
savings is correctly implemented.

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

The application will build only for a target that has a :ref:`devicetree
<dt-guide>` entry with ``jedec,spi-nor`` as a compatible.

.. zephyr-app-commands::
   :zephyr-app: samples/drivers/spi_flash
   :board: nrf52840dk_nrf52840
   :goals: build flash
   :compact:

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

.. code-block:: console

   *** Booting Zephyr OS build zephyr-v2.3.0-2142-gca01d2e1d748  ***

   JEDEC QSPI-NOR SPI flash testing
   ==========================

   Test 1: Flash erase
   Flash erase succeeded!

   Test 2: Flash write
   Attempting to write 4 bytes
   Data read matches data written. Good!