2023-10-23 18:58:34 +02:00
|
|
|
|
``nxhello`` NX graphics "Hello, World!" example
|
|
|
|
|
|
===============================================
|
2023-10-21 12:24:43 +02:00
|
|
|
|
|
|
|
|
|
|
A very simple graphics example that just says Hello, World! in the center of
|
|
|
|
|
|
the display.
|
|
|
|
|
|
|
|
|
|
|
|
The following configuration options can be selected:
|
|
|
|
|
|
|
|
|
|
|
|
- ``CONFIG_NSH_BUILTIN_APPS`` – Build the ``NXHELLO`` example as a built-in that
|
|
|
|
|
|
can be executed from the NSH command line
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_VPLANE`` – The plane to select from the frame- buffer
|
|
|
|
|
|
driver for use in the test. Default: ``0``.
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_DEVNO`` – The LCD device to select from the LCD driver
|
|
|
|
|
|
for use in the test. Default: ``0``.
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_BGCOLOR`` – The color of the background. Default
|
|
|
|
|
|
depends on ``CONFIG_EXAMPLES_NXHELLO_BPP``.
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_FONTID`` – Selects the font (see font ID numbers in
|
|
|
|
|
|
include/nuttx/nx/nxfonts.h).
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_FONTCOLOR`` – The color of the fonts used in the
|
|
|
|
|
|
background window. Default depends on ``CONFIG_EXAMPLES_NXHELLO_BPP``.
|
|
|
|
|
|
- ``CONFIG_EXAMPLES_NXHELLO_BPP`` – Pixels per pixel to use. Valid options include
|
|
|
|
|
|
``2``, ``4``, ``8``, ``16``, ``24`` and ``32``. Default: ``32``.
|
