} } } }
dis(countdown_hour/10,countdown_hour,countdown_minute/10,countdown_minute,countdown_second/10,countdown_second);// break; case 22:
if(countdown_flag>0 && countdown_flag<7) {
speak=0;
if(second_flag==1) {
second_flag=0; countdown_flag++; } } else {
speak=1; }
dis(countdown_hour/10,countdown_hour,countdown_minute/10,countdown_minute,countdown_second/10,countdown_second);// break; case 23:
dis(msecond_minute/10,msecond_minute,msecond_second/10,msecond_second,msecond_msecond,12); break; case 24:
if(msecond_flag==1) {
msecond_flag=0;
msecond_msecond++; if(msecond_msecond==10) {
msecond_msecond=0; msecond_second++; if(msecond_second==60) {
msecond_second=0;
msecond_minute++;
if(msecond_minute==100) {
msecond_minute=99; flag1=23; } } } }
dis(msecond_minute/10,msecond_minute,msecond_second/10,msecond_second,msecond_msecond,12); break; case 25:
dis(zancun3/10,zancun3,zancun2/10,zancun2,zancun1/10,zancun1); break; default: break; } } }
//************************************************** //S1按键处理函数 void judge_s1() {
s1_bit=1;//置IO为1，准备读入收据 if(s1_bit==0)//判断是否有按键按下 {
delay_50us(1);// 延时，去除机械抖动 if(s1_bit==0) {
switch(flag1) {
case 0: case 1: case 2: case 3: case 4: case 6: case 7: case 8: case 10: case 11:
case 12: case 13: case 15: case 16: case 17: case 18: case 19:
flag1++; break; case 9:
flag1=6; break; case 14:
flag1=10; break; case 20:
flag1=15; break; case 5: case 21: case 22:
case 23://系统从秒表状态复位 case 24://系统从秒表状态复位 case 25://系统从计数器复位 flag1=0; break; default: break; } while(s1_bit==0) {
judge_dis(); }//等待按键释放 } } }
//************************************************** //S2按键处理函数 void judge_s2() {
s2_bit=1;//置IO为1，准备读入收据 if(s2_bit==0)//判断是否有按键按下 {
delay_50us(1);// 延时，去除机械抖动
if(s2_bit==0) {
switch (flag1) {
case 1: //在显示SET1状态下按S2件，进入修改时间 flag1=6;
zancun4=hour_count&0xf0; zancun4>>=4;
zancun6=hour_count&0x0f; zancun1=zancun4*10+zancun6; //zancun1=hour_count;
zancun5=minute_count&0xf0; zancun5>>=4;
zancun6=minute_count&0x0f; zancun2=zancun5*10+zancun6; // zancun2=minute_count; break;
case 2://在显示SET2状态下按S2，进入设置闹钟 zancun1=clock_hour; zancun2=clock_minute; flag1=10; break;
case 6://修改时钟小时十位状态下按S2件 case 7://修改时钟小时个位状态下按S2件 case 8://修改时钟分钟十位状态下按S2件 case 9://修改时钟分钟个位状态下按S2件 //zancun4=zancun1/10;
tab23[2]=zancun1/10*16+zancun1;
//zancun5=zancun2&0xf0; //zancun5>>=4;
tab23[1]=zancun2/10*16+zancun2; hour_count=tab23[2]; minute_count=tab23[1]; second_count=0; tab23[0]=0;
set_ds1302();//设置DS1302的初始时间 flag1=0; break;
case 10://修改闹钟小时十位状态下按S2 case 11://修改闹钟小时个位状态下按S2 case 12://修改闹钟分钟十位状态下按S2 case 13://修改闹钟分钟个位状态下按S2