Troubleshooting Repetitive Lcd_ColorBox Calls Causing HardFaults on Embedded SPI LCDs
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Function: Draws a solid color rectangle on the LCD
Input: x1 - X-axis starting coordinate
y1 - Y-axis starting coordinate
w - Rectangle width (pixels)
h - Rectangle height (pixels)
fill - 16-bit RGB color value
Output: None
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Posted on Fri, 09 Oct 2026 16:29:36 +0000 by arfa
Device Driver Porting in OpenHarmony
LCD Driver Porting
The primary task for porting an LCD driver involves creating a driver that instantiates a panel model and completes the registration process.
LCD drivers reside in the source directory //drivers/hdf_core/framework/model/display/driver/panel.
Creating a Panel Driver
Implement an HDF driver and invoke the RegisterPanel interfac ...
Posted on Thu, 07 May 2026 08:35:56 +0000 by slapdashgrim