DS12CR887实时时钟完整程序.docx
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DS12CR887实时时钟完整程序.docx
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DS12CR887实时时钟完整程序
DS12CR887实时时钟完整程序附图片(液晶显示)
#include
#include
voiddelay(uchark)
{
uchari,j;
for(i=0;i for(j=0;j<110;j++); } voiddidi() { beep=0; delay(200); beep=1; delay(200); } voidds_write(ucharadd,uchardate) { dscs=0; dsds=1; dswr=1; dsas=1; P0=add; dsas=0; P0=date; dswr=0; dswr=1; dsas=1; } uchards_read(ucharadd) { ucharz; dscs=0; dswr=1; dsds=1; dsas=1; P0=add; dsas=0; dsds=0; P0=0xff; z=P0; dsds=1; dsas=1; returnz; } voidwrite_com(ucharcom) { rs=0; lcden=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; } voidwrite_date(uchardate) { rs=1; lcden=0; P0=date; delay(5); lcden=1; delay(5); lcden=0; } /*voidset_time() { ds_write(9,0x08); ds_write(8,6); ds_write(7,3); ds_write(6,2); ds_write(4,14); ds_write(2,42); ds_write(0,00); ds_write(5,14); ds_write(3,42); ds_write(1,10); }*/ voidinit() { dsas=0; dsds=0; dswr=0; wr=0; lcden=0; //set_time(); ds_write(0x0a,0x20); ds_write(0x0b,0x26); write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); write_com(0x80); year=ds_read(9); write_sfm1(2,year); write_date('-'); month=ds_read(8); write_sfm1(5,month); write_date('-'); date=ds_read(7); write_sfm1(8,date); day=ds_read(6); write_com(0x80+0x0c); write_date(table[day]); write_date(table1[day]); write_date(table2[day]); EA=1; EX0=1; IT0=1; } voidwrite_sfm(ucharadd,uchardate) { ucharshi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_date(0x30+shi); write_date(0x30+ge); } voidwrite_sfm1(ucharadd,uchardate) { ucharshi,ge; shi=date/10; ge=date%10; write_com(0x80+add); write_date(0x30+shi); write_date(0x30+ge); } main() { init(); while (1) { keyscan(); if(alarm==0) { if(flag1==1) didi(); if(flag==0) { sec=ds_read(0); min=ds_read (2); hour=ds_read(4); write_sfm(4,hour); write_date(': '); write_sfm(7,min); write_date(': '); write_sfm(10,sec); if(hour==0&&min==0) { if(sec==0) { day=ds_read(6); write_com(0x80+0x0c); write_date(table[day]); write_date(table1[day]); write_date(table2[day]); date=ds_read(7); write_sfm1(8,date); if(date==1) { month=ds_read(8); write_sfm1(5,month); write_date('-'); if(month==1) { year=ds_read(9); write_sfm1(2,year); write_date('-'); } } } } } } } } voidkeyscan() { if(key4==0&&flag1==0) { delay(5); if(key4==0) { while(! key4); alarm=1; flag=1; asec=ds_read (1); amin=ds_read(3); ahour=ds_read(5); write_com(0x0c); write_sfm(4,ahour); write_date(': '); write_sfm(7,amin); write_date(': '); write_sfm(10,asec); } } if(flag1==1&&alarm==0) { if(key1==0) { delay(5); if(key1==0) { flag1=0; while(! key1); } } if(key2==0) { delay(5); if(key2==0) { flag1=0; while(! key2); } } if(key3==0) { delay(5); if(key3==0) { flag1=0; while(! key3); } } if(key4==0) { delay(5); if(key4==0) { flag1=0; while(! key4); } } } if(flag1==0) { if(key1==0) { delay(5); if(key1==0) { s1num++; flag=1; write_com(0x0d); while(! key1); } if(s1num==1) { write_com(0x80+0x4a); } if(s1num==2) {
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