Thomas SOETE / SimpleLib

Simple mbed library with macros

Dependents:   SimpleTimer SimpleUART SimpleTimer Stoppuhr1

leds.h

Committer:
Alkorin
Date:
2010-11-08
Revision:
2:e6b2d22fbf75
Parent:
0:aa3c3d1a5918
Child:
4:afddc4848b6c

File content as of revision 2:e6b2d22fbf75:

#ifndef __LEDS_H__
#define __LEDS_H__

#include "mbed_globals.h"

/** Registers **/
// GPIO1 Mask register, FIOMASK page 122 
#define LEDS_GPIO_MASK (LPC_GPIO1_BASE + 0x10)
// GPIO1 Pin register, FIOPIN page 122
#define LEDS_GPIO_PIN  (LPC_GPIO1_BASE + 0x14)
// GPIO1 Direction, FIO1DIR page 122
#define LEDS_GPIO_DIR  (LPC_GPIO1_BASE + 0x00)

/** Bits **/
#define LED1 (1 << 18)
#define LED2 (1 << 20)
#define LED3 (1 << 21)
#define LED4 (1 << 23)
#define LEDS_MASK (LED1 | LED2 | LED3 | LED4)

/** Macros **/
#define LEDS_INIT()     GET_REGISTER32(LEDS_GPIO_DIR) |= LEDS_MASK;

#define LEDS_SET(value) SET_REGISTER32(LEDS_GPIO_MASK, (~LEDS_MASK)); \
                        SET_REGISTER32(LEDS_GPIO_PIN, (value));

#endif