基于单片机的数字电子时钟 - 图文

}

}

}

}

time_buf1[3]=j;

sprintf(shishi,\lcdwrite_com(0x80+8); for(j=0;j<2;j++) { }

lcdwrite_com(0x80+9); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]);

if(i==4)//月 { }

if(i==5)//年 {

j=time_buf1[1]; j++; if(j==99) { }

time_buf1[1]=j;

sprintf(shishi,\lcdwrite_com(0x80+2); for(j=0;j<2;j++) {

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j=0; j=time_buf1[2]; j++; if(j==60) { }

time_buf1[2]=j;

sprintf(shishi,\lcdwrite_com(0x80+5); for(j=0;j<2;j++) { }

lcdwrite_com(0x80+6); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]); j=0;

}

}

}

}

lcdwrite_date(shishi[j]);

lcdwrite_com(0x80+3); lcdwrite_com(0x0f);

ds1302write();

if(jian==0) {

delay(5); if(jian==0) {

while(!jian); if(i==1)//分 { }

if(i==2)//时 {

j=time_buf1[4]; j--; if(j==-1) { }

time_buf1[4]=j;

sprintf(shishi,\lcdwrite_com(0xc0); for(j=0;j<2;j++)

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j=23; j=time_buf1[5]; j--; if(j==-1) { }

time_buf1[5]=j;

sprintf(shishi,\lcdwrite_com(0xc0+3); for(j=0;j<2;j++) { }

lcdwrite_com(0xc0+4); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]); j=59;

}

{ }

lcdwrite_com(0xc0+1); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]);

if(i==3)//日 { }

if(i==4)//月 { }

if(i==5)//年 {

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j=time_buf1[2]; j--; if(j==-1) { }

time_buf1[2]=j;

sprintf(shishi,\lcdwrite_com(0x80+5); for(j=0;j<2;j++) { }

lcdwrite_com(0x80+6); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]); j=0; j=time_buf1[3]; j--; if(j==-1) { }

time_buf1[3]=j;

sprintf(shishi,\lcdwrite_com(0x80+8); for(j=0;j<2;j++) { }

lcdwrite_com(0x80+9); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]); j=0;

}

}

}

}

}

}

j=time_buf1[1]; j--; if(j==-1) { }

time_buf1[1]=j;

sprintf(shishi,\lcdwrite_com(0x80+2); for(j=0;j<2;j++) { }

lcdwrite_com(0x80+3); lcdwrite_com(0x0f);

lcdwrite_date(shishi[j]); j=0;

ds1302write();

void Timer0_isr(void) interrupt 1 {

static unsigned int num; TH0=(65536-2000)/256; TL0=(65536-2000)%6; num++;

if(num==30) { num=0;

ReadTempFlag=1; }

//LCD1602模块程序 #include \

unsigned char time_buf1[8] = {20,10,6,5,12,55,00,6}; unsigned char time_buf[8] ;

void ds1302writebyte(unsigned char addr, unsigned char d) {

unsigned char i; rst=1;

addr=addr&0xFE; for(i=0;i<8;i++)

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}