zephyr

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Kumar Gala 3b84b645db samples: flash_shell: Fix Coverity issue 220540 Fix possible Uninitialized 'ret' value. Fixes #34001 Signed-off-by: Kumar Gala <kumar.gala@linaro.org>		2021-04-12 07:32:39 -04:00
..
src	samples: flash_shell: Fix Coverity issue 220540	2021-04-12 07:32:39 -04:00
CMakeLists.txt	…
Kconfig	…
README.rst	…
prj.conf	…
sample.yaml	…

README.rst

.. _samples_flash_shell:

Flash Shell Sample
##################

Overview
********
This is a simple shell module that allows arbitrary boards with flash
driver support to explore the flash device.

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

This project can be built and executed on as follows:

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

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

.. code-block:: console

    uart:~$ flash page_count
    Flash device contains 1024 pages.
    uart:~$ flash page_erase 1023
    Erasing page 1023 (start offset 0xffc00, size 0x400)
    uart:~$ flash page_write 1023 8 17 19 28 39
    Reading back written bytes:
    11 13 1c 27
    uart:~$ flash page_write 1023 4 77 9 1 2
    Reading back written bytes:
    4d 09 01 02
    uart:~$ flash page_read 1023 4 12
    4d 09 01 02 | 11 13 1c 27
    ff ff ff ff
    uart:~$ flash page_read 1023 0 16
    ff ff ff ff | 4d 09 01 02
    11 13 1c 27 | ff ff ff ff