單片機+ds1302為什么不動？求幫助

ID:576938 · 發(fā)表于 2020-4-22 21:53

代碼如下秒為什么不動

#include<reg51.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^2;
sbit RST=P2^5;
sbit CLK=P2^6;
sbit IO=P2^7;
sbit ACC0=ACC^0;
sbit ACC7=ACC^7;
void delay(); //延時程序
void lcd1602_write_DAT(uchar DAT); //寫數(shù)據(jù)
void lcd1602_write_CMD(uchar CMD); //寫指令
void lcd1602_init(); //初始話顯示屏
void dis_char(uchar h,uchar l,uchar dat); //顯示位置程序
void dis_str(uchar h,uchar l,uchar *p); //顯示字符串
void dis_num(uchar h,uchar l,uchar num); //顯示數(shù)字
void write_bit(uchar dat); //位操作寫
void ds1302_write(uchar add,uchar dat); //寫1302
void ds1302_init(); //初始值
void init();
uchar read_bit(); //位操作讀
uchar ds1302_read(uchar add); //讀取1302
uchar BCD_Decimal(uchar bcd);
uchar miao,fen,shi,ri,yue,nian,zhou;
void main()
{
lcd1602_init();
ds1302_init();
//init();
while(1)
{
dis_str(1,1,"20");
dis_char(1,5,'-');
dis_char(1,8,'-');
dis_char(2,7,':');
dis_char(2,10,':');
dis_num(1,3,22);
miao=ds1302_read(0x81);
dis_num(2,11,miao);
}
}
void delay()
{
uchar x,y;
for(x=0;x<=10;x++)
for(y=0;y<=20;y++);
}
void lcd1602_write_DAT(uchar DAT)
{
P0=DAT;
RS=1;
RW=0;
E=0;
delay();
E=1;
delay();
E=0;
}
void lcd1602_write_CMD(uchar CMD)
{
P0=CMD;
RS=0;
RW=0;
E=0;
delay();
E=1;
delay();
E=0;
}
void lcd1602_init()
{
lcd1602_write_CMD(0x38);//顯示模式設(shè)置（16*2）顯示，5*7點陣
lcd1602_write_CMD(0x01);//顯示清零
lcd1602_write_CMD(0x06);//顯示光標移動設(shè)置
lcd1602_write_CMD(0x0c);//顯示開關(guān)，光標設(shè)置
}
void dis_char(uchar h,uchar l,uchar DAT)
{
if(h==1)
{
lcd1602_write_CMD(0x7F+l);
}
if(h==2)
{
lcd1602_write_CMD(0xBF+l);
}
lcd1602_write_DAT(DAT);
}
void dis_str(uchar h,uchar l,uchar *p)
{
if(h==1)
{
lcd1602_write_CMD(0x7F+l);
}
if(h==2)
{
lcd1602_write_CMD(0xBF+l);
}
while(1)
{
if(*p=='\0')break;
lcd1602_write_DAT(*p);
p++;
}
}
void dis_num(uchar h,uchar l,uchar num)
{
dis_char(h,l,num/10%10+'0');
dis_char(h,l+1,num%10+'0');
}
void write_bit(uchar dat)
{
uchar a;
ACC=dat;
RST=1;
for(a=1;a<=8;a++)
{
IO=ACC^0;
CLK=0;
CLK=1;
ACC=ACC>>1;
}
}
uchar read_bit()
{
uchar a;
RST=1;
for(a=1;a<=8;a++)
{
ACC7=IO;
CLK=1;
CLK=0;
ACC=ACC>>1;
}
return (ACC);
}
void ds1302_write(uchar add,uchar dat)
{
RST=0;
CLK=0;
RST=1;
write_bit(add);
write_bit(dat);
CLK=1;
RST=0;
}
uchar ds1302_read(uchar add)
{
uchar temp;
RST=0;
CLK=0;
RST=1;
write_bit(add);
temp=read_bit();
CLK=1;
RST=0;
return(temp);
}
void ds1302_init()
{
RST=0;
CLK=0;
ds1302_write(0x8e,0x00);
ds1302_write(0x80,0x00);
ds1302_write(0x82,0x00);
ds1302_write(0x84,0x12);
ds1302_write(0x86,0x22);
ds1302_write(0x88,0x04);
ds1302_write(0x8a,0x01);
ds1302_write(0x8c,0x20);
ds1302_write(0x8e,0x80);
}

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單片機+ds1302為什么不動？ 求幫助

單片機+ds1302為什么不動？求幫助