diff options
Diffstat (limited to 'apps/examples/README.txt')
| -rw-r--r-- | apps/examples/README.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/apps/examples/README.txt b/apps/examples/README.txt index 06e84ce45..b155a3ab2 100644 --- a/apps/examples/README.txt +++ b/apps/examples/README.txt @@ -406,6 +406,40 @@ examples/nximage NOTE: As of this writing, most of the pixel depth, scaling options, and combinations thereof have not been tested. +examplex/nxlines +^^^^^^^^^^^^^^^^ + + A very simple graphics example that just exercised the NX line drawing + logic. + + The following configuration options can be selected: + + CONFIG_EXAMPLES_NXLINES_BUILTIN -- Build the NXLINES example as a "built-in" + that can be executed from the NSH command line + CONFIG_EXAMPLES_NXLINES_VPLANE -- The plane to select from the frame- + buffer driver for use in the test. Default: 0 + CONFIG_EXAMPLES_NXLINES_DEVNO - The LCD device to select from the LCD + driver for use in the test: Default: 0 + CONFIG_EXAMPLES_NXLINES_BGCOLOR -- The color of the background. Default + depends on CONFIG_EXAMPLES_NXLINES_BPP. + CONFIG_EXAMPLES_NXLINES_LINEWIDTH - Selects the width of the lines in + pixels (default: 16) + CONFIG_EXAMPLES_NXLINES_LINECOLOR -- The color of the lines drawn in the + background window. Default depends on CONFIG_EXAMPLES_NXLINES_BPP. + CONFIG_EXAMPLES_NXLINES_BPP -- Pixels per pixel to use. Valid options + include 2, 4, 8, 16, 24, and 32. Default is 16. + CONFIG_EXAMPLES_NXLINES_EXTERNINIT - The driver for the graphics device on + this platform requires some unusual initialization. This is the + for, for example, SPI LCD/OLED devices. If this configuration is + selected, then the platform code must provide an LCD initialization + function with a prototype like: + + #ifdef CONFIG_NX_LCDDRIVER + FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno); + #else + FAR struct fb_vtable_s *up_nxdrvinit(unsigned int devno); + #endif + examples/nxtext ^^^^^^^^^^^^^^^ |