1602 DS1302 可设闹钟万年历(20)

接口

P3=0xff; //定义按键

if(P3!=0Xff)

{

delay1ms(100); if(P3!=0Xff)

{ {

j=7; if(P3==0Xfe)

{ }

i+=3; if(i==0x8e)

i=0xc2;

//延时0.1s去抖动

else if(i>0xc5)

i=0x85;

else if(P3==0xfd)

year=(time1[4]&0xf)*10+(time1[5]&0xf);

month=(time1[7]&0xf)*10+(time1[8]&0xf);

day=(time1[10]&0xf)*10+(time1[11]&0xf);

if(i==0x85)

{

year++; if(year>99) year=0;

if((year%4)!=0)