课程设计 - 图文

{delay(5); if(dec==0) {while(!dec);

turn_val(day,0,0x87,3); }}} if(slnum==4)

/*调整星期数*/

{week=ReadSet1302(0x8b); write_com(0x80+0x40+1); write_com(0x0f); if(add==0) {delay(3); if(add==0) {while(!add);

turn_val(week,1,0x8b,4); } } if(dec==0) {delay(5); if(dec==0) {while(!dec);

turn_val(week,0,0x8b,4); }}} if(slnum==5)

/* {hour=ReadSet1302(0x85); write_com(0x80+0x40+6); write_com(0x0f); if(add==0) {delay(3); if(add==0) {while(!add);

turn_val(hour,1,0x85,5); }} if(dec==0) {delay(5);

调整小时数*/

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if(dec==0) {while(!dec);

turn_val(hour,0,0x85,5); }}}

if(slnum==6)

{minute=ReadSet1302(0x83); write_com(0x80+0x40+9); write_com(0x0f); if(add==0) {delay(3); if(add==0) {while(!add);

turn_val(minute,1,0x83,6); } } if(dec==0) {delay(5); if(dec==0) {while(!dec);

turn_val(minute,0,0x83,6); }}} if(slnum==7)

/* {second=ReadSet1302(0x81); write_com(0x80+0x40+0x0c); write_com(0x0f); if(add==0) {delay(3); if(add==0) {while(!add);

turn_val(second,1,0x81,7); }} if(dec==0) {delay(3); if(dec==0)

/*调整分钟数*/

调整秒数*/

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{while(!dec);

turn_val(second,0,0x81,7); }}} if(slnum==8)

//menu键按下次数累计至8，

{miao=ReadSet1302(0x81); WriteSet1302(0x8e,0x00); WriteSet1302(0x80,miao&0x7f);

//开时钟

WriteSet1302(0x8e,0x80); slnum=0;

//menu键被按下次数清0 write_com(0x0c); //取消液晶光标闪烁 break;} }}}}

//退出循环

实现加减功能函数

void turn_val(char newval,uchar flag,uchar addr,uchar slnum) {if(flag) {newval++; switch(slnum)

{case 1: if(newval>99) newval=0;//若年数大于99，则置为0 displaydata(3,newval); break; case 2:if(newval>12) newval=1; displaydata(6,newval); break; case 3:if(newval>31) newval=1; displaydata(9,newval); break; case 4:if(newval>7) newval=1;

displayweek(1,newval); break; case 5:if(newval>23) newval=0;

displaytime(5,newval); break; case 6:if(newval>59) newval=0; displaytime(8,newval); break;

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case 7:if(newval>59) newval=0;

displaytime(0x0b,newval); break; default:break; }

newval=(newval/10)<<4|newval;

WriteSet1302(0x8e,0x00);

WriteSet1302(addr-1,newval); WriteSet1302(0x8e,0x80); }

else

{newval--; switch(slnum)

{case 1:if(newval<0) newval=99; displaydata(3,newval); break;

case 2:if(newval==0) newval=12; displaydata(6,newval); break;

case 3:if(newval==0) newval=31; displaydata(9,newval); break;

case 4:if(newval==0)newval=7; displayweek(1,newval);

break;

case 5:if(newval<0) newval=23; displaytime(5,newval); break;

case 6:if(newval<0) newval=59; displaytime(8,newval); break;

case 7:if(newval<0) newval=59;

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