前天刚做完的sopc课程设计 做的万年历 c编程
有些还是能用的 - -
头文件 LCD.h
#ifndef _LCD_H_
#define _LCD_H_
//LCD Module 16*2
#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_Test();
//---------------------------
#endif //_LCD_H_
程序 wnl.c
#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"
#include "io.h"
volatile int edge_capture;
void LCD_Init()
{
//LCD初始化
lcd_write_cmd(LCD_BASE,0x38);
usleep(2000);
lcd_write_cmd(LCD_BASE,0x0C);
usleep(2000);
lcd_write_cmd(LCD_BASE,0x01);
usleep(2000);
lcd_write_cmd(LCD_BASE,0x06);
usleep(2000);
lcd_write_cmd(LCD_BASE,0x80);
usleep(2000);
}
void LCD_Show_Text(char*Test)
{
//LCD输出格式
int i;
for(i=0;i<strlen(Test);i++)
{
lcd_write_data(LCD_BASE,Test[i]);
usleep(2000);
}
}
void LCD_Line1()
{
//向LCD写命令
lcd_write_cmd(LCD_BASE,0x80);
usleep(2000);
}
void LCD_Line2()
{
lcd_write_cmd(LCD_BASE,0xC0);
usleep(2000);
}
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_BASE);
IOWR_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_BASE,0);
}
//按键初始化
static void init_button_pio()
{
void *edge_capture_ptr=(void*)&edge_capture;
IOWR_ALTERA_AVALON_PIO_IRQ_MASK(BUTTON_BASE,0xf);
IOWR_ALTERA_AVALON_PIO_EDGE_CAP(BUTTON_BASE,0x0);
alt_irq_register
(BUTTON_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;
else if((month==4)||(month==6)||(month==9)||(month==11)) return 0;
else //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) __attribute__ ((weak, alias ("alt_main")));
int alt_main (void)
//int main(void)
{
int screen=0; //共有两行,一行显示年月日,一行显示时间
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=1;
int year2=1;
int year3=0;
int year4=2;
int month1=6;
int month2=0;
int day1=8;
int day2=1;
int hour4,hour3,hour2,hour1,minute2,minute1,second2,second1;
unsigned int screenflag;
hour=0;minute=0;second=0;year=2011;month=6;day=18;
//年月日时分秒初始化
alt_irq_init(ALT_IRQ_BASE);
init_button_pio();
IOWR_ALTERA_AVALON_PIO_DATA(LCD_ON_BASE,1);
LCD_Init();
while(1)
{
if(pos>=3) pos=0;//共有三个位置0,1,2
if(screen>=2) screen=0;
//na_LED8->np_piodata=1<<pos;
if(screen==0) screenflag=8;//用一个LED指示当前调整的位置
else screenflag=0;
IOWR_ALTERA_AVALON_PIO_DATA(LED_BASE,(1<<screen)|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;
}
}
else 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;}
else if (check_month(month)==1)
{ if (day<3) day++;else day=1;}
else if(check_month(month)==2)
{
if (check_year(year))
{ if(day<29) day++ ; else day=1;}
else { if (day<28) day++ ; else day=1;}
}
}
else if(screen==1)
{
if(second<59) second++; else second=0;
}
}
else if (pos==1)
{
if(screen==0)
{
if (month<12) month++; else month=1;
}
else if(screen==1)
{
if (minute<59) minute++; else minute=0;
}
}
if(pos==2)
{
if (screen==0)
{
if (year<9999) year++; else year=2005;
}
else 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+0x30;date[1]=year3+0x30;
date[2]=year2+0x30;date[3]=year1+0x30;
date[4]=' '; date[5]=' ';
date[6]=month2+0x30; date[7]=month1+0x30;
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;
minute2=minute/10;
minute1=minute%10;
second2=second/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]=' ';
time[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(LCD_BASE,sum);
}
}