led.c File Reference

SAM4S-EK2 LEDs support package.

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

#include "board.h"
#include "led.h"
#include "gpio.h"

Data Structures
struct	tLED_DESCRIPTOR

Macros
#define	ACTIVE_LEVEL_IS_HIGH   1
#define	INSERT_LED_DESCRIPTOR(LED_NO, unused)

Functions
void	LED_Off (uint32_t led_gpio)
	Turns off the specified LEDs. More...
void	LED_On (uint32_t led_gpio)
	Turns on the specified LEDs. More...

Variables
static tLED_DESCRIPTOR	LED_DESCRIPTOR [BOARD_NUM_OF_LED]
	Hardware descriptors of all LEDs. More...

#define ACTIVE_LEVEL_IS_HIGH   1

Referenced by LED_Off(), and LED_On().

#define INSERT_LED_DESCRIPTOR	(		LED_NO,
			unused
	)

Value:

{                                                \
        LED##LED_NO##_GPIO, LED##LED_NO##_ACTIVE_LEVEL \
    },

void LED_Off

(

uint32_t

led_gpio

)

Turns off the specified LEDs.

Parameters

led_gpio

LED to turn off (LEDx_GPIO).

Note

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

References ACTIVE_LEVEL_IS_HIGH, BOARD_NUM_OF_LED, gpio_set_pin_high, and gpio_set_pin_low.

void LED_On

(

uint32_t

led_gpio

)

Turns on the specified LEDs.

Parameters

led_gpio

LED to turn on (LEDx_GPIO).

Note

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

References ACTIVE_LEVEL_IS_HIGH, BOARD_NUM_OF_LED, gpio_set_pin_high, and gpio_set_pin_low.

tLED_DESCRIPTOR LED_DESCRIPTOR[BOARD_NUM_OF_LED]

static

Initial value:

=
{
#define INSERT_LED_DESCRIPTOR(LED_NO, unused)      





}

Hardware descriptors of all LEDs.