www.pudn.com > hello_led_0.rar > basic_io.h

#ifndef   __basic_io_H__ 
#define   __basic_io_H__ 
 
#include  
#include  
#include  
#include  
#include "system.h" 
#include "sys/alt_irq.h" 
 
//  for GPIO 
#define inport(base)                                  IORD(base, 0)  
#define outport(base, data)                           IOWR(base, 0, data) 
#define get_pio_dir(base)                             IORD(base, 1)  
#define set_pio_dir(base, data)                       IOWR(base, 1, data) 
#define get_pio_irq_mask(base)                        IORD(base, 2)  
#define set_pio_irq_mask(base, data)                  IOWR(base, 2, data) 
#define get_pio_edge_cap(base)                        IORD(base, 3)  
#define set_pio_edge_cap(base, data)                  IOWR(base, 3, data) 
 
//  for SEG7 Display 
#define seg7_show(base,data)                          IOWR(base, 0, data) 
 
//  for Time Delay 
#define msleep(msec)                                  usleep(1000*msec); 
#define Sleep(sec)                                    msleep(1000*sec); 
 
#endif