LPC213x.h头文件：ADS环境下的LPC21xx GPIO配置教程

#ifndef LPC2138_H
#define LPC2138_H

#include "inttypes.h"


/* Pin Connect Block */
#define PINSEL0        (*((volatile uint32_t *) 0xE002C000))
#define PINSEL1        (*((volatile uint32_t *) 0xE002C004))
#define PINSEL2        (*((volatile uint32_t *) 0xE002C014))


/* General Purpose Input/Output (GPIO) */
#define IOPIN0         (*((volatile uint32_t *) 0xE0028000))
#define IOSET0         (*((volatile uint32_t *) 0xE0028004))
#define IODIR0         (*((volatile uint32_t *) 0xE0028008))
#define IOCLR0         (*((volatile uint32_t *) 0xE002800C))
#define IOPIN1         (*((volatile uint32_t *) 0xE0028010))
#define IOSET1         (*((volatile uint32_t *) 0xE0028014))
#define IODIR1         (*((volatile uint32_t *) 0xE0028018))
#define IOCLR1         (*((volatile uint32_t *) 0xE002801C))


/* Memory Accelerator Module (MAM) */
#define MAMCR          (*((volatile uint8_t *) 0xE01FC000))
#define MAMTIM         (*((volatile uint8_t *) 0xE01FC004))
#define MEMMAP         (*((volatile uint8_t *) 0xE01FC040))


/* Phase Locked Loop (PLL) */

#define PLLCON         (*((volatile uint8_t*) 0xE01FC080))
#define PLLCON_bit     (*(struct PLLCON_reg*) 0xE01FC080)
struct PLLCON_reg {
  unsigned char PLLE:1;
  unsigned char PLLC:1;
};

#define PLLCFG         (*((volatile uint8_t*) 0xE01FC084))
#define PLLCFG_bit     (*(struct PLLCFG_reg*) 0xE01FC084)
struct PLLCFG_reg {
  unsigned char MSEL:5; 
  unsigned char PSEL:2;
};

#define PLLSTAT        (*((volatile uint16_t*) 0xE01FC088))
#define PLLSTAT_bit    (*(struct PLLSTAT_reg*) 0xE01FC088)
struct PLLSTAT_reg {
  unsigned short MSEL:5; 
  unsigned short PSEL:2;
  unsigned short _:1;
  unsigned short PLLE:1;
  unsigned short PLLC:1;
  unsigned short PLOCK:1;
};

#define PLLFEED        (*((volatile uint8_t*) 0xE01FC08C))
#define PLLFEED_bit    (*(struct PLLFEED_reg*) 0xE01FC08C)
struct PLLFEED_reg {
  unsigned char FEED:8; 
};