这是原程序代码，但是调试总出错！ #include "alt_types.h"
#include<stdio.h>
#include<string.h>
#include<unistd.h>
#include"system.h"
#include"sys/alt_irq.h"
#include"altera_avalon_pio_regs.h"
#include"count_binary.h"
#include"LCD.h" void LCD_Init()
{
lcd_write_cmd(LCD_16207_0_BASE,0x38);
usleep(2000);
lcd_write_cmd(LCD_16207_0_BASE,0x0C);
usleep(2000);
lcd_write_cmd(LCD_16207_0_BASE,0x01);
usleep(2000);
lcd_write_cmd(LCD_16207_0_BASE,0x06);
usleep(2000);
lcd_write_cmd(LCD_16207_0_BASE,0x80);
usleep(2000);
}
void LCD_Show_Text(char*Text)
{
int i;
for(i=0;i<strlen(Text);i++)
{
lcd_write_data(LCD_16207_0_BASE,Text);
usleep(2000);
}
}
void LCD_Line1()
{
lcd_write_cmd(LCD_16207_0_BASE,0x80);
usleep(2000);
}
void LCD_Line2()
{
lcd_write_cmd(LCD_16207_0_BASE,0xC0);
usleep(2000);
}
volatile int edge_capture;
static void handle_button_interrupts(void*context,alt_u32 id)
{
volatile int*edge_capture_ptr=(volatile int*)context; *edge_capture_ptr=IORD_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_PIO_BASE); IOWR_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_PIO_BASE,0);
} static void init_button_pio()
{
void *edge_capture_ptr=(void*)&edge_capture; IOWR_ALTERA_AVALON_PIO_IRQ_MASK(BUTTON_PIO_BASE,0xf); IOWR_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_PIO_BASE,0x0); alt_irq_register(BUTTON_PIO_IRQ,edge_capture_ptr,handle_button_interrupts);
}
void delay(unsigned int x)
{
while(x--);
}
int check_month(int month)
{
if((month==1)||(month==3)||(month==5)||(month==7)||(month==8)||(month==10)||
(month==12)) return 1;
if((month==4)||(month==6)||(month==9)||(month==11)) return 0;
if(month==2) return 2;
}
int check_year(int year)
{
if(((year%400)==0)||(((year%4)==0)&&((year%100)!=0))) return 1;
//是闰年，返回1
else return 0;
//不是闰年，返回0
}
int main(void)
{ int screen=0;
int pos=0;//每行都有三个位置，第一行是年月日，第二行是时分秒
int year,month,day,hour,minute,second;
unsigned long sum;
char date[16];
char time[16];
int year1=16;
int year2=0;
int year3=0;
int year4=2;
int month1=1;
int month2=0;
int day1=1;
int day2=0;
int hour4,hour3,hour2,hour1,minute2,minute1,second2,second1;
unsigned int screenflag;
hour=0;minute=0;second=0;year=2006;month=1;day=1;
//年月日时分秒初始化
init_button_pio();
LCD_Init();
while(1)
{
if(pos>=3) pos=0;
if(screen>=2) screen=0;
na_LED8->np_piodata=1<<pos;
if(screen==0) screenflag=8;
else screenflag=0;
IOWR_ALTERA_AVALON_PIO_DATA(LED_GREEN_BASE,(1<<pos)|screenflag);
usleep(1000000);//等待1秒的定时时间
if(second<59) second++;
else
{second=0;
if(minute<59) minute++;
else
{
minute=0;
if(hour<23) hour++;
else
{
hour=0;
if(day<30) day++;
else
{
day=1;
if (month<12) month++;
else {
month=1;
if(year<9999) year++;
else year=2005;
}
}
}
}
}
switch (edge_capture) //检测按钮
{
case 0x08: pos=pos+1; break; //改变调整位置
case 0x02:
if (pos==0)
{
if(screen==0)
{
if (day>1) day--;
else
{
if (check_month(month)==0) day=30;
if (check_month(month)==1) day=31;
if (check_month(month)==2)
{
if(check_year(year))day=29;
else day=28;
}
}
}
if (screen==1)
{
if(second>0) second--; else second=59;
}
}
if(pos==1)
{
if(screen==0)
{
if(month>1) month--; else month=12;
}
if(screen==1)
{
if(minute>0) minute--; else minute=59;
}
}
if(pos==2)
{
if(screen==0）
{
if (year>0) year--;else year=2005;
}
if (screen==1)
{
if (hour>0) hour--;else hour=23;
}
}
break;
case 0x04:
if (pos==0)
{
if (screen==0)
{
if（check_month(month)==0) { if(day<30) day++;else day=1;}
if (check_month(month)==1) { if (day<3) day++;else day=1;}
if (check_month(month)=2)
{
if (check_year(year)) { if(day<29) day++ ; else day=1;}
else { if (day<28) day++ ; else day=1;}
}
}
if(screen==1)
{
if(second<59) second++; else second=0;
}
}
if (pos==1)
{
if(screen==0)
{
if (month<12) month++; else month=1;
}
if (screen==1)
{
if (month<12) month++; else month=1;
}
if（screen==1)
{
if (minute<59) minute++; else minute=0;
}
}
if (pos==2)
{
if (screen==0)
{
if(year<9999) year++; else minute=0;
}
}
if(pos==2)
{
if (screen==0)
{
if (year<9999) year++; else year=2005;
}
if (screen==1)
{
if (hour<23) hour++; else hour=0;
}
}
break;
case 0x01;screen++; break; //换屏
}
edge_capture=0;
{
year4=year/1000; year3=(year-year4*1000)/100;
year2=（year-year4*1000-year3*100)/10; year1=year%10;
month2=month/10;month1=month%10;
day2=day/10;day1=day%10;
LCD_Line1();
date[0]=year4+0x03;date[1]=year3+0x30;
date[2]=year2+0x30;date[3]=year1+0x30;
date[4]=''； date[5]='';
date[6]=month2+0x30; date[7]=month1+-x30;
date[8]='';date[9]='';
date[10]=day2+0x30;date[11]=day1+0x30;
date[12]=''; date[13]='';
date[14]='';date[15]='';
LCD_Show_Text(date);
}
{
hour4=0;hour3=0;
hour2=hour/10;hour1=hour%10;
monute2=monute/10;minute1=minute%10;
second2=socond/10;second1=second%10;
time[0]='';time[1]='';
time[2]=hour2+0x30;time[3]=hour1+0x30;
time[4]='';time[5]='';
time[6]=minute2+0x30;time[7]=minute1+0x30;
time[8]='';time[9]='';
time[10]=second2+0x30;time[11]=second1+0x30;
time[12]='';time[13]='';
tmie[14]='';time[15]='';
LCD_Line2();
LCD_Show_Text(time);
}
//将数据转换为显示器件可以接收的格式
sum=year4*0x1000000+year3*0x1000000+year2*0x100000+year1*0x10000;
sum=sum+month2*0x1000+month1*0x100+day2*0x10+day1;
//数据送显示器件（8个7段数码管）进行显示
IOWR_ALTERA_AVALON_PIO_DATA(SEG7_DISPLAY_BASE,sum);
}
}
#define lcd_write_cmd(base,data) IOWR(base,0,data)
#define lcd_read_cmd(base) IORD(base,1)
#define lcd_write_data(base,data) IOWR(base,2,data)
#define lcd_read_data(base) IORD(base,3)
void LCD_Init();
void LCD_Show_Text(char *Text);
void LCD_Line2();
void LCD_Line1();
void LCD_Test();
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