Question

求51单片机系统扩展12864和1307的时钟c程序

求51单片机系统扩展12864和1307的时钟c程序51单片机系统扩展时钟

Answer 1

#include <reg51.h>
#include <string.h>
#include "ds1302.h"
#include "menu.h"
#include "lcd12864.h"
#define uchar unsigned char
#define uint unsigned int
 
sbit led=P3^7;
uchar temp,keyval;
uchar usern=0;       //用户序号
//struct mlist *nuser;
uchar disdat[16];
void displaykey()
{
    keyval=0xff;
    P1=0xfe;
    temp=P1;
    temp&=0xf0;
    if(temp!=0xf0)//判断是否有键盘按下，真 为有
    {
        delay(50);
        temp=P1; 
        temp=temp&0xf0;
        if(temp!=0xf0)//判断是否有键盘按下，真 为有
        {
            temp=P1;
            switch (temp)
            {
           case 0xee:keyval='0';break;
           case 0xde:keyval='1';break;
           case 0xbe:keyval='2';break;
           case 0x7e:keyval='3';break;
            default: break;
            }
        }
    }
    while((P1&0xf0) != 0xf0);
//判断第二行键盘
    P1=0xfd;
    temp=P1;
    temp=temp&0xf0;
    if(temp!=0xf0)
    {
        delay(50);
        temp=P1; 
        temp=temp&0xf0;
        if(temp!=0xf0)//判断是否有键盘按下，真 为有
        {
            temp=P1;
            switch (temp)
            {
           case 0xed:keyval='4';break;
           case 0xdd:keyval='5';break;
           case 0xbd:keyval='6';break;
           case 0x7d:keyval='7';break;
            default: break;
            }
        }
    }
    while((P1&0xf0) != 0xf0);
//判断第三行键盘
    P1=0xfb;
    temp=P1;
    temp=temp&0xf0;
    if(temp!=0xf0)
    {
        delay(50);
        temp=P1; 
        temp=temp&0xf0;
        if(temp!=0xf0)//判断是否有键盘按下，真 为有
        {
            temp=P1;
            switch (temp)
            {
           case 0xeb:keyval='8';break;
           case 0xdb:keyval='9';break;
           case 0xbb:keyval='a';break;
           case 0x7b:keyval='b';break;
            default:break;
            }
        }
    }
    while((P1&0xf0) != 0xf0);
//判断第四行键盘
    P1=0xf7;
    temp=P1;
    temp=temp&0xf0;
    if(temp!=0xf0)
    {
        delay(50);
        temp=P1; 
        temp=temp&0xf0;
        if(temp!=0xf0)//判断是否有键盘按下，真 为有
        {
            temp=P1;
            switch (temp)
            {
           case 0xe7:keyval='c';break;
             case 0xd7:keyval='d';break;
            case 0xb7:keyval='e';break;
           case 0x77:keyval='f';break;
            default:break;
            }
        }
    }
    while((P1&0xf0) != 0xf0);
}
void distime(void)
{
uchar *cal="年月日";
    disdat[0]='2';
    disdat[1]='0';
    disdat[2]='0'+TIME[6]/16;      //年
    disdat[3]='0'+(TIME[6]&0x0f);
    disdat[4]=cal[0];
    disdat[5]=cal[1];
    disdat[6]='0'+TIME[4]/16;      //月
    disdat[7]='0'+(TIME[4]&0x0f);
    disdat[8]=cal[2];
    disdat[9]=cal[3];
    disdat[10]='0'+TIME[3]/16;      //日
    disdat[11]='0'+(TIME[3]&0x0f);
    disdat[12]=cal[4];
    disdat[13]=cal[5];
    disdat[14]=0;
    displaystr(1,2,disdat);
 
    disdat[0]='0'+TIME[2]/16;      //时
    disdat[1]='0'+(TIME[2]&0x0f);
    disdat[2]=':';
    disdat[3]='0'+TIME[1]/16;      //分
    disdat[4]='0'+(TIME[1]&0x0f);
    disdat[5]=':';
    disdat[6]='0'+TIME[0]/16;      //秒
    disdat[7]='0'+(TIME[0]&0x0f);
    disdat[8]=0;
    displaystr(4,4,disdat);
}
void init_timer(void)
{
TMOD=0x20;
TH1=0xfd;
TL1=0xfd;
TR1=1;
SCON=0x40;
}
 
main()
{
uchar num;
    InitLCD();//初始LCD        
    Ds1302Init();
    init_timer();
    ClearScreen(0);
    delay(200);
    num=0;
    while(1)
    {
    Ds1302ReadTime();
    distime();   
    displaykey();
    delay(200);
    }
}