led.h File Reference

SAM4L-EK Board LEDs support package.

This file contains definitions and services related to the LED features of the SAM4L-EK Board.

To use this board, define BOARD=SAM4L_EK.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"
#include "ioport.h"

Macros
#define	LED_Off(led)   ioport_set_pin_level(led##_GPIO, led##_INACTIVE_LEVEL)
	Turns off the specified LEDs. More...
#define	LED_On(led)   ioport_set_pin_level(led##_GPIO, led##_ACTIVE_LEVEL)
	Turns on the specified LEDs. More...
#define	LED_Toggle(led)   ioport_toggle_pin_level(led##_GPIO)
	Toggles the specified LEDs. More...

#define LED_Off

(

led

)

ioport_set_pin_level(led##_GPIO, led##_INACTIVE_LEVEL)

Turns off the specified LEDs.

Parameters

led	LED to turn off (LEDx_GPIO).

Note

The pins of the specified LEDs are set to GPIO output mode.

Referenced by ui_powerdown(), and ui_process().

#define LED_On

(

led

)

ioport_set_pin_level(led##_GPIO, led##_ACTIVE_LEVEL)

Turns on the specified LEDs.

Parameters

led	LED to turn on (LEDx_GPIO).

Note

The pins of the specified LEDs are set to GPIO output mode.

Referenced by ui_init(), ui_process(), and ui_wakeup().

#define LED_Toggle

(

led

)

ioport_toggle_pin_level(led##_GPIO)

Toggles the specified LEDs.

Parameters

led	LED to toggle (LEDx_GPIO).

Note

The pins of the specified LEDs are set to GPIO output mode.