河北工程单片机数字钟课程设计 - 图文

河北工程大学科信学院

}

lcd_rs=1; lcd_rw=0; lcd_en=0; P0=date; delay(5); lcd_en=1; delay(5); lcd_en=0;

void miaobiao(char kk)//秒表函数 { }

void write_fsm(uchar add,uchar date)//计算时分秒位 {

uchar shi,ge; shi=date/10; ge=date;

write_com(0x80+0x40+add); write_data(0x30+shi); write_data(0x30+ge);

12

uchar biao_bai,biao_shi,biao_ge; biao_bai=kk/100; biao_shi=kk0/10; biao_ge=kk0; write_com(0x80+13);

write_data(table2[biao_bai]); write_com(0x80+14);

write_data(table2[biao_shi]); write_com(0x80+15);

write_data(table2[biao_ge]); write_com(0x0c);

河北工程大学科信学院

}

void write_nyr(uchar add,uchar date)//计算月日位 { }

void write_nian(uchar add,uchar date)//计算年位，年是百位 { }

void jiaxian()//设置键盘加显 {

if(k1num!=0) {

if(S2==0) {

delay(10); if(S2==0) {

while(!S2);//松手检测

13

uint bai,shi,ge; bai=date/100; shi=date/10; ge=date;

write_com(0x80+0x00+add); write_data(0x30+bai); write_data(0x30+shi); write_data(0x30+ge); uint shi,ge; shi=date/10; ge=date;

write_com(0x80+0x00+add); write_data(0x30+shi); write_data(0x30+ge);

河北工程大学科信学院

if(k1num==1) {

miao++; if(miao==60)

miao=0;

write_fsm(8,miao); //write_com(0x0e); write_com(0x80+0x40+8);

}

if(k1num==2) {

fen++; if(fen==60)

fen=0;

write_fsm(5,fen); write_com(0x80+0x40+5);

}

if(k1num==3) { }

if(k1num==4) {

ri++; if(ri==31) ri=1;

write_nyr(8,ri);

14

shi++; if(shi==24) shi=0;

write_fsm(2,shi); write_com(0x80+0x40+2);

河北工程大学科信学院

}

write_com(0x80+0x00+8);

if(k1num==5) { }

if(k1num==6) { }

if(k1num==7) { }

if(k1num==8) {

f++; if(f==59) f=0;

write_fsm(14,f);

15

s++;

if(s==24)s=0; write_fsm(11,s); write_com(0x80+0x40+11); nian++; if(nian==90) nian=0;

write_nian(1,nian); write_com(0x80+0x00+1); yue++; if(yue>12) yue=1;

write_nyr(5,yue); write_com(0x80+0x00+5);