Display

Display and framebuffer configuration More...

Topics
	Framebuffer
	API for framebuffer management
	Modes
	Video display modes and management

Files
file	video.h
	Functions related to video output.

Functions
uint32_t	vid_border_color (uint8_t r, uint8_t g, uint8_t b)
	Set the border color of the display.
bool	vid_get_enabled (void)
	Get the state of video output.
void	vid_set_enabled (bool val)
	Enable/disable the display.

Detailed Description

Display and framebuffer configuration

Function Documentation

vid_border_color()

uint32_t vid_border_color	(	uint8_t	r,
		uint8_t	g,
		uint8_t	b )

Set the border color of the display.

This sets the color of the border area of the display.

Note

On some screens, the border area may not be shown at all, whereas on some displays you may see the whole thing.

Parameters

r	The red value of the color (0-255).
g	The green value of the color (0-255).
b	The blue value of the color (0-255).

Returns

Old border color value (RGB888)

vid_get_enabled()

bool vid_get_enabled

(

void

)

Get the state of video output.

This function gets the state of video output as set via vid_set_enabled.

Returns

true if enabled, false if not.

vid_set_enabled()

void vid_set_enabled

(

bool

val

)

Enable/disable the display.

This function enables or disables video output

Parameters

val	true to enable video output, false to disable.

Note

Unlike vid_clear/vid_empty this does not modify any framebuffer. Instead it merely sets registers that immediately disable output.