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源代碼：
# include <reg51.h>
# define uchar unsigned char
# define uint unsigned int
uchar code write_address[]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c};
uchar code read_address[]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d};
uchar code table[]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6};
uchar date[]={0x01,0x01,0x01,0x09,0x05,0x02,0x12};
uchar date1[]={0x01,0x01,0x01,0x09,0x05,0x02,0x12};
sbit RST=P3^0;
sbit SCL=P3^1;
sbit SDA=P3^2;
sbit ACC7=ACC^7;
uchar temp,byte;
int write_byte(int adderss);
void delay(uint m)
{
while(m--);
}
void wirte_byte(uchar byte)
{
uchar m;
for(m=0;m<8;m++)
{
byte>>=1;
SCL=0;
SDA=CY;
SCL=1;
}
}
uchar read_byte(void)
{
uchar m;
for(m=0;m,8;m++)
{
ACC=ACC>>1;
ACC7=SDA;
SCL=1;
SCL=0;
}
return (ACC);
}
void write_1302(uchar address,uchar date)
{
RST=0;
SCL=0;
RST=1;
write_byte(address);
write_byte(date);
RST=0;
}
read_data(uchar address)
{
uchar temp;
RST=0;
SCL=0;
RST=1;
write_byte(address|0x01);
temp=read_byte();
SCL=1;
RST=0;
return(temp);
}
void read_time()
{
uchar m,temp3,temp1,temp2;
temp3=0x80;
for(m=0;m<7;m++)
{
temp1=read_data(temp3);
temp2=temp1;
date[m]=(temp1>>1)&0x0f;
date1[m]=(temp2>>5)&0x07;
temp3=temp3+0x02;
}
}
void set_RTC(void)
{
uchar m;
write_1302(0x8E,0x00);
for(m=0;m<7;m++)
{
write_1302(write_address[m],date[m]);
}
write_1302(0x8E,0x00);
}
void main(void)
{
RST=0;
set_RTC();
while(1)
{
read_time();
P2=0xfe;
P1=table[date[0]%10];
delay(500);
P2=0xfd;
P1=table[date1[0]%10];
delay(500);
P2=0xfb;
P1=0x02;
delay(500);
P2=0xf7;
P1=table[date[1]%10];
delay(500);
P2=0xef;
P1=table[date1[1]%100];
delay(500);
P2=0xdf;
P1=0x02;
delay(500);
P2=0xbf;
P1=table[date[2]%10];
delay(500);
P2=0x7f;
P1=table[date1[2]%10];
delay(500);
}
}
附電路圖。
代碼檢查無(wú)錯(cuò)誤，電器規(guī)則性檢查無(wú)錯(cuò)誤，但是模擬時(shí)無(wú)任何反應(yīng)�。。。。。�
求問(wèn)大佬們，這是什么情況，怎么解決？
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