DS1302时钟程序问题，为什么最后显示出来的全是0，时间不会变化-无罪之宾的回答

DS1302时钟程序问题，为什么最后显示出来的全是0，时间不会变化

2019-03-24 17:52发布

#include<reg51.h>

#include<intrins.h>
#define uchar unsigned char
#define uint  unsigned int

//--LCD--//
sbit LCD_RS=P2^6;//êy¾Y/ÃüáîÑ¡Ôñ¶Ë￡¨H/L￡©
sbit LCD_RW=P2^5;//¶á/D′ÃüáîÑ¡Ôñ¶Ë￡¨H/L￡©
sbit LCD_EN=P2^7;//ê1ÄüDÅoÅ
void LCD_write_com(uchar _com);//D′Ãüáî
void LCD_write_data(uchar _data);//D′êy¾Y
void LCD_init();//LCD3õê¼»ˉ
void delay1ms(uint c);

//--DS1302--//
sbit DS_SCLK=P3^6;
sbit DS_IO=P3^4;
sbit DS_RST=P3^5;
sbit DS_ACC0=ACC^0;
sbit DS_ACC7=ACC^7;
void DS_Write_Byte(uchar TD);//μ￥×Ö½úD′èë
uchar DS_Read_Byte();//μ￥×Ö½ú¶áè¡
void DS_Write_DS1302(uchar add,_data);//Ïò¼Ä′æÆ÷D′êy¾Y
uchar DS_Read_DS1302(uchar add);//′ó¼Ä′æÆ÷¶áêy¾Y
void DS1302_init();//DS13023õê¼»ˉ
void Display(uchar LCD_add,_data);

void delay1ms(uint c)//1msÑóê±
{
unsigned char a,b;
for(c;c>0;c--)
      for(b=142;b>0;b--)
         for(a=2;a>0;a--);
}

void LCD_write_com(uchar _com)//D′Ãüáî
{
LCD_RS=0;
LCD_RW=0;
P0=_com;
delay1ms(1);
LCD_EN=1;
delay1ms(1);
LCD_EN=0;
}

void LCD_write_data(uchar _data)//D′êy¾Y
{
LCD_RS=1;
LCD_RW=0;
P0=_data;
delay1ms(1);
LCD_EN=1;
delay1ms(1);
LCD_EN=0;
}

void LCD_init()//3õê¼»ˉ
{
LCD_EN=0;
LCD_write_com(0x38);//éèÖÃ16*2ÏÔê¾￡¬5*7μãÕó￡¬8Î»êy¾Y½ó¿ú
LCD_write_com(0x0F);//¿aÏÔê¾¡￠ÏÔê¾1a±ê¡￠1a±êéáË¸
LCD_write_com(0x06);//μ±¶á»òD′ò»¸ö×Ö·ûoóμØÖ·Ö¸Õë¼óò»￡¬Çò1a±ê¼óò»
LCD_write_com(0x01);//ËùóDÏÔê¾Çåáã
LCD_write_com(0x80);//éèÖÃêy¾YÖ¸ÕëÎ»ÖÃ
}

void Display(uchar LCD_add,_data)
{
uchar decade,the_unit;
decade=_data>>4;
the_unit=_data&0x0f;
LCD_write_com(LCD_add);
LCD_write_data(0x30+decade);
LCD_write_data(0x30+the_unit);
}