LCD12864液晶显示电子钟设计(5)

//

//

//

if(ri==-1)

ri=31;

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

}

if(k==5) { yue--; if(yue==-1)

yue=12;

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

} if(k==6) { nian--; if(nian==-1)

nian=50; write_sfm1(0,nian); lcd_pos(2,0); write_sfm1(0,nian);

} if(k==7)

}

}

{ }

zhou--; if(zhou==-1)

zhou=7;

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

//

}

if(k==0) {

if(k2==0) {

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

while(!k2); if(kk==3) {

miao0++; if(miao0==60)

miao0=0;

write_sfm2(6,miao0);

}

}

}

lcd_pos(3,6); write_sfm2(6,miao0);

//

if(kk==2) { } if(kk==1) { }

shi0++; if(shi0==24)

shi0=0; fen0++; if(fen0==60)

fen0=0;

write_sfm2(4,fen0); lcd_pos(3,4); write_sfm2(4,fen0);

//

write_sfm2(2,shi0); lcd_pos(3,2); write_sfm2(2,shi0);

//

if(k3==0) {

//

//

delayms(5); if(k3==0) { while(!k3); if(kk==3) { miao0--; if(miao0==-1)

miao0=59;

write_sfm2(6,miao0); lcd_pos(3,6); write_sfm2(6,miao0);

} if(kk==2) { fen0--; if(fen0==-1)

fen0=59; write_sfm2(4,fen0); lcd_pos(3,4); write_sfm2(4,fen0);

} if(kk==1) {

shi0--;

}

}

}

if(shi0==-1)

shi0=23;

write_sfm2(2,shi0); lcd_pos(3,2); write_sfm2(2,shi0);

// }

}

void init()//初始化函数（12864初始化，定时器初始化） {

PSB=1;

write_com(0x30); delayms(5); write_com(0x0c); delayms(5); write_com(0x01); delayms(5);

TH0=(65535-50000)/256; TL0=(65535-50000)%6; TMOD=0x01; ET0=1; EA=1;

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