LCD12864液晶显示电子钟设计(4)

}

} if(k==6) { } if(k==7) { } if(k==8) {

k=0;

write_com(0x0c); TR0=1;

lcd_pos(2,7); lcd_pos(2,0);

}

if(k!=0) {

if(k2==0)//“+1”按键操作 {

delayms(5); if(k2==0) {

while(!k2); if(k==1)

//

//

//

{ miao++; if(miao==60)

miao=0;

write_sfm(4,miao); lcd_pos(1,4); write_sfm(4,miao);

} if(k==2) { fen++; if(fen==60)

fen=0; write_sfm(2,fen); lcd_pos(1,2); write_sfm(2,fen);

} if(k==3) { shi++; if(shi==24)

shi=0; write_sfm(0,shi); lcd_pos(1,0);

write_sfm(0,shi);

//

//

} if(k==4) { ri++; if(ri==32)

ri=1;

write_sfm1(4,ri); lcd_pos(2,4); write_sfm1(4,ri);

} if(k==5) { yue++; if(yue==13)

yue=1; write_sfm1(2,yue); lcd_pos(2,2); write_sfm1(2,yue);

} if(k==6) { nian++; if(nian==50)

nian=0;

write_sfm1(0,nian);

}

}

}

lcd_pos(2,0); write_sfm1(0,nian);

//

if(k==7) { }

zhou++; if(zhou==8)

zhou=0;

write_sfm1(7,zhou); lcd_pos(2,7); write_sfm1(7,zhou);

//

if(k3==0)//“-1按键操作” {

delayms(5); if(k3==0) {

while(!k3); if(k==1) {

miao--; if(miao==-1)

miao=59;

//

//

//

write_sfm(4,miao); lcd_pos(1,4); write_sfm(4,miao);

}

if(k==2) { fen--; if(fen==-1)

fen=59;

write_sfm(2,fen); lcd_pos(1,2); write_sfm(2,fen);

} if(k==3) { shi--; if(shi==-1)

shi=23; write_sfm(0,shi); lcd_pos(1,0); write_sfm(0,shi);

} if(k==4) {

ri--;

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