Syntax:
ST7920GraphicTest
Explanation:
This command tests the graphics functionality of the GLCD display.
Example usage:
ST7920GraphicTest 'Test the display ' <<< the ST7920GraphicTest instruction
Key line: ST7920GraphicTest — runs a built-in self-test pattern on the display, useful for confirming the wiring and controller are working before writing
your own graphics code.
See Also:
- GLCD Overview — category overview
- ST7920GLCDEnableGraphics — switching to graphics mode
- ST7920GLCDClearGraphics — clearing the test pattern afterward
