Display - AAT31XX Controller

Low-level driver for the AAT31XX LCD backlight controller.

This driver provides access to the main features of the AAT31XX controller.

Macros
#define	DELAY_DISABLE   (0x20000u)
#define	DELAY_ENABLE   (0x20000u)
#define	DELAY_PULSE   (0x18u)

Functions
void	aat31xx_disable_backlight (void)
	Switch off backlight. More...
void	aat31xx_set_backlight (uint32_t ul_level)
	Set the LCD backlight level. More...

#define DELAY_DISABLE   (0x20000u)

Referenced by aat31xx_disable_backlight().

#define DELAY_ENABLE   (0x20000u)

Referenced by aat31xx_set_backlight().

#define DELAY_PULSE   (0x18u)

Referenced by aat31xx_set_backlight().

void aat31xx_disable_backlight

(

void

)

Switch off backlight.

References DELAY_DISABLE, IOPORT_PIN_LEVEL_LOW, and ioport_set_pin_level().

Referenced by gfx_ili9325_init(), gfx_ili93xx_init(), and main().

void aat31xx_set_backlight

(

uint32_t

ul_level

)

Set the LCD backlight level.

Parameters

ul_level

backlight level.

Note

pin BOARD_AAT31XX_SET_GPIO must be configured before calling aat31xx_set_backlight.

References AAT31XX_MAX_BACKLIGHT_LEVEL, AAT31XX_MIN_BACKLIGHT_LEVEL, DELAY_ENABLE, DELAY_PULSE, IOPORT_PIN_LEVEL_HIGH, IOPORT_PIN_LEVEL_LOW, and ioport_set_pin_level().

Referenced by gfx_ili9325_init(), gfx_ili93xx_init(), and main().