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saml21-xpro/include/board.h File Reference

Board specific definitions for the Atmel SAM L21 Xplained Pro board. More...

Detailed Description

#include "cpu.h"
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Go to the source code of this file.

Macros

#define SW0_PIN   GPIO_PIN(PA, 2)
 User button pin.
 
#define LED0_PIN   GPIO_PIN(1, 10)
 LED pin definitions and handlers.
 
#define LED_PORT   PORT->Group[1]
 
#define LED0_MASK   (1 << 10)
 
#define LED0_ON   (LED_PORT.OUTCLR.reg = LED0_MASK)
 
#define LED0_OFF   (LED_PORT.OUTSET.reg = LED0_MASK)
 
#define LED0_TOGGLE   (LED_PORT.OUTTGL.reg = LED0_MASK)
 

Functions

void board_init (void)
 Initialize board specific hardware, including clock, LEDs and std-IO.