基于51单片机的万年历 - 图文(5)

{

write_com(0x80+0x40+add); if(datt==1) {

write_date(0x4d);

write_date(0x4f); write_date(0x4e); }

if(datt==2) {

write_date(0x54);

write_date(0x55); write_date(0x45); }

if(datt==3) {

write_date(0x57); write_date(0x45); write_date(0x44); }

if(datt==4) {

write_date(0x54);

write_date(0x48); write_date(0x55); }

if(datt==5) {

write_date(0x46);

write_date(0x52); write_date(0x49); }

if(datt==6) {

write_date(0x53);

write_date(0x41); write_date(0x54); }

if(datt==7) {

write_date(0x53);

write_date(0x55); write_date(0x4e); } }

void help(void) {

//mon //tue //wed //thu //fri //sat //sun

write_ds(0x8e,0x00);

write_ds(0x80,0x00); //写秒 write_ds(0x82,0x00); //写分 write_ds(0x84,0x00); //写时 write_ds(0x86,0x01); //写日 write_ds(0x88,0x01); //写月

write_ds(0x8a,0x01); //写星期 write_ds(0x8c,0x00); //写年 write_ds(0x8e,0x80); }

/******************************主函数部分****************************/

void main() {

uint x; init(); BUZZER=1; flag=0;

help(); //帮助一开始的时候时钟开始走时 while(1) {

keyscan(); if(flag==0) {

write_com(0x80+4); //设置数据指针 write_date(0x2d); //-

write_com(0x80+7); //设置数据指针 write_date(0x2d); //-

write_com(0x80+0x42); //设置数据指针 write_date(0x3a); //: write_com(0x80+0x45);

write_date(0x3a); //:

miao=read_ds(0x81); fen=read_ds(0x83); shi=read_ds(0x85); ri=read_ds(0x87); yue=read_ds(0x89); nian=read_ds(0x8d); xinqi=read_ds(0x8b);

if(ntable[0]==1) {

if(shi==ntable[1]&fen==ntable[2]&miao==ntable[3]) {

for(x=0;x<500;x++)

{

BUZZER=1; delay_1ms(1); BUZZER=0; delay_1ms(1); BUZZER=1; delay_1ms(1); BUZZER=0; delay_1ms(1); BUZZER=1;

delay_1ms(1); } } }

write_sfm(0x40+6,miao); write_sfm(0x40+3,fen); write_sfm(0x40+0,shi); write_sfm(8,ri); write_sfm(5,yue); write_year(0,nian); write_xinqi(11,xinqi);

/********************温度显示程序********************/ tmpchange(); //调用转换温度子程序 l_tmp=tmp(); //获取温度值 if(l_tmp<0) {

aa=0x2d; //负号 } else {

aa=l_tmp/1000; if(aa==0)

aa=0x20; // 不显示 }

l_tmp=l_tmp00; bb=l_tmp/100; l_tmp=l_tmp0; cc=l_tmp/10;

dd= 0x2e; //小数点 ee=l_tmp; ff=0xdf; // 度

display(aa,bb,cc,dd,ee,ff); } } }

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