基于stc89c52單片機的LCD1602液晶屏顯示DS1302時鐘程序

ID:934951 · 發(fā)表于 2023-5-25 15:38

基于stc89c52單片機的LCD1602液晶屏顯示DS1302時鐘程序
并且可以按鍵調(diào)節(jié)

#include <REG52.H>
#include "stdio.h"
#include "lcd1602.h"
#include "ds1302.h"
sbit key1 = P3^0;
sbit key2 = P3^1;
sbit key3 = P3^2;
sbit key4 = P3^3;
sbit key5 = P3^4;
sbit key6 = P3^5;
sbit key7 = P3^6;
sbit key8 = P3^7;
void delay_ms(unsigned int ms);
float n = 0,m = 123.56;
xdata unsigned char tab[10];
unsigned char sta;
//unsigned int k = 1234;
//unsigned char int_time;
void main()
{
LCD_Init();
Ds1302_Init();
while(1)
{
Ds1302_Read_Time();//先讀取DS1302的數(shù)據(jù)
sprintf (tab,"%02bd:%02bd:%02bd",time_buf1[4],time_buf1[5],time_buf1[6]); //shi fen miao
LCD_Staing(2,5,tab);
//sprintf (tab,"20%02bd/%02bd/%02bd",time_buf[1],time_buf[2],time_buf[3]);
//LCD_Staing(1,5,tab);
if(key1 == 0)
{
while (!key1);
sta++;
if(sta>5)
sta=0;
}
if(sta == 0)//時間調(diào)整
{
if(key2 == 0)
{
while (!key1);
time_buf1[4]++;
if(time_buf1[4]>23)
{
time_buf1[4] = 0;
}
Ds1302_Write_Time();
}
if(key3 == 0)
{
while (!key2);
if(time_buf1[4]>0)
{
time_buf1[4] --;
}else
{
time_buf1[4]=23;
}
Ds1302_Write_Time();
}
}
if(sta == 1)
{
}
}
}
void delay_ms(unsigned int ms)
{
unsigned char i;
while(ms--)
{
for(i = 0;i<123;i++);
}
}

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