IPC@CHIP® Graphics Library – API Documentation

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GcErrorCode gcSetBacklightIntensity ( unsigned short  intensity  ) 

This function can be used to regulate the backlight intensity of the connected display, if this is supported by the display.

Parameters:
intensity Designated backlight intensity.

For GC01 this value is interpreted as millivolts and must be in the range [0..5000]. The graphics controller will put out the designated voltage on its BL_ADJ pin. Check your display's data sheet to determine how the backlight intensity will react on the voltage.

For GC04 this value specifies a percentage value [0..100].
Returns:
One of the following error codes is returned:
Note:
Refer to the graphics controller's hardware manual for more details on backlight regulation.
Since:
1.00
Targets:

GC01

GC04

X

X






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