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zephyr/samples/drivers/lcd_hd44780
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Joakim Andersson a8583ae1d9 samples: drivers: lcd_hd44780: Add readme 
Add readme for lcd_hd44780 sample.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
2020-05-15 17:18:56 +02:00
..
src drivers: gpio: gpio_sam: Convert to DT_INST 2020-04-23 05:59:50 -05:00
CMakeLists.txt cmake: use find_package to locate Zephyr 2020-03-27 16:23:46 +01:00
prj.conf
README.rst samples: drivers: lcd_hd44780: Add readme 2020-05-15 17:18:56 +02:00
sample.yaml

README.rst 

.. _samples_lcd_hd44780:

LCD HD44780 driver sample
#########################

Overview
********
Display text strings on parallel interfacing HD44780 based
generic LCD controller using GPIO pins to interface with
Arduino Due (SAM3).

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

This project can be built and executed on as follows:

.. zephyr-app-commands::
   :zephyr-app: samples/drivers/lcd_hd44780
   :host-os: unix
   :board: arduino_due
   :goals: flash
   :compact:

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

.. code-block:: console

    LCD Init
    Page 1: message
    Page 2: message
    Page 3: message

Display output
==============

.. code-block:: console

    ********************
    Arduino Due
    yalpsiD DCL 4x02
    ********************

.. code-block:: console

    -------------------
    Zephyr Rocks!
    My super RTOS
    -------------------

.. code-block:: console

    --------------------
    --------HOME--------
    I am home!