fio.h

arm lpc2300 GPIO设计 实现lpc2300通用IO口的数据传输

/*****************************************************************************
 *   fio.h:  Header file for NXP LPC23xx/24xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.09.01  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#ifndef __FIO_H 
#define __FIO_H

/* bit 0 in SCS register, port 0/1 are regular ports when bit 0 
is 0,  fast ports when bit 0 is 1. */
#define GPIOM			0x00000001

/* see master definition file lpc230x.h for more details */
#define REGULAR_PORT_DIR_BASE		GPIO_BASE_ADDR + 0x08
#define REGULAR_PORT_DIR_INDEX		0x10	

#define HS_PORT_DIR_BASE			FIO_BASE_ADDR + 0x00
#define HS_PORT_DIR_INDEX			0x20

#define FAST_PORT		0x01
#define REGULAR_PORT	0x02

#define DIR_OUT			0x01
#define DIR_IN			0x02

extern void GPIOInit( DWORD PortNum, DWORD PortType, DWORD PortDir );

#endif /* end __FIO_H */
/*****************************************************************************
**                            End Of File
******************************************************************************/