蓝桥杯单片机第八届省赛题

Question

单片机蓝桥杯

代码可以运行，但是我用二个按键控制一个变量，这一个变量又控制了两个只是情况不同，效果确一样的功能。按按键的时候，在一个功能下按另一个，也造成了变量的变化，从而引起混乱，有什么其他的解决办法么，不想设好多变量~

//这是main.c
#include <STC15F2K60S2.H>
#include"seg.h"
#include"stdio.h"                                            
 unsigned char k_mark=0,s_mark=0,ring_mark=0;
 unsigned int num=0,num1=0;
 unsigned char seg_buf[8],seg_str[9];
 unsigned int hour=23,hour1=0;
 unsigned int min=59,min1=0;
 unsigned int sec=50,sec1=0;
 unsigned char wei,i=0;
 unsigned char deng=0; 
 unsigned char ring=0;
void seg_proc();
void key_proc();
void ring_proc();
void Timer0Init(void)        //1毫秒@12.000MHz
{
    AUXR &= 0x7F;        //定时器时钟12T模式
    TMOD &= 0xF0;        //设置定时器模式
    TMOD |= 0x01;        //设置定时器模式
    TL0 = 0x18;        //设置定时初值
    TH0 = 0xFC;        //设置定时初值
    TF0 = 0;        //清除TF0标志
    TR0 = 1;        //定时器0开始计时
    EA=1;ET0=1;P36=0;
}

void main(){
   Timer0Init();
   P0=0xff;P2=(P0&0x1f)|0x80;P2=(P0&0x1f);//关灯
   while(1){
       seg_proc();
    key_proc();
    ring_proc();
   }
}

void int_0() interrupt 1{
    TL0 = 0x18;        
    TH0 = 0xFC;
      num++;
    if(++num1==1000)num1=0;
    if(++k_mark==100)k_mark=0;
    if(++s_mark==500) s_mark=0;
    seg_dis(seg_buf,wei,deng,num1); 
    if(++wei==8) wei=0;
    if(num==1000){
    sec=sec+1;
    i++;
    num=0;
    }
    if(sec==60){        //正常
       sec=0;
       min=min+1;
       }
       if(min==60){
           min=0;
        hour=hour+1;
       }
        if(hour==24){
         hour=0;
        }
    
}
void key_proc(){
     if(k_mark) return;
     if(P30==0){ //按下s7键，进行时分秒的选择
      if(++deng==4)
      deng=0; 
      while(!P30)
       ; 
      }
     if(ring==1||ring==2||ring==3){
          switch(deng){
          case 1 : if(P32==0){hour1=hour1+1;while(!P32);}if(P33==0){hour1=hour1-1;while(!P33);}break;
          case 2 : if(P32==0){min1=min1+1;while(!P32);}if(P33==0){min1=min1-1;while(!P33);}break;
          case 3 : if(P32==0){sec1=sec1+1;while(!P32);}if(P33==0){sec1=sec1-1;while(!P33);}break;
      }
      }else{
          switch(deng){
          case 1 : if(P32==0){hour=hour+1;while(!P32);}if(P33==0){hour=hour-1;while(!P33);}break;
          case 2 : if(P32==0){min=min+1;while(!P32);}if(P33==0){min=min-1;while(!P33);}break;
          case 3 : if(P32==0){sec=sec+1;while(!P32);}if(P33==0){sec=sec-1;while(!P33);}break;
      }  
}  
}

void seg_proc(){
     if(s_mark) return;
      if(P31==0){
      if(++ring==4) ring=0;
      if(++deng==4){
      deng=0;
      } 
       while(!P31)
       ;
      }
      if(ring==1||ring==2||ring==3) sprintf(seg_str,"%02d-%02d-%02d",hour1,min1,sec1);
      else
      sprintf(seg_str,"%02d-%02d-%02d",hour,min,sec);
      seg_tran(seg_str,seg_buf);
}
void ring_proc(){
   if(!(hour1==hour&&min1==min1&&sec1==sec))return;
   while(i<10){
   if((num1>0&&num1<200)||(num1>400&&num1<800))
    {  P0=0;
      P2=(P2&0X1F)|0X80;
      P2=(P2&0X1F);
    }
     
       if((num1>200&&num1<400)||(num1>800&&num1<1000))
    {  P0=0xff;
      P2=(P2&0X1F)|0X80;
      P2=(P2&0X1F);
    } 
    P0=0xff;P2=(P0&0x1f)|0x80;P2=(P0&0x1f);//关灯
    if(P30==0||P31==0||P32==0||P33==0)return;
               }
    i=0;
}
//这是seg.c
#include"seg.h"
void seg_tran(unsigned char *seg_str,unsigned char *seg_buf){
unsigned char i,j=0;
for(i=0;i<8;i++,j++){
   switch(seg_str[j]){
        case'0' :seg_buf[i]=0xc0;break;
     case'1' :seg_buf[i]=0xf9;break;
     case'2' :seg_buf[i]=0xa4;break;
     case'3' :seg_buf[i]=0xb0;break;
     case'4' :seg_buf[i]=0x99;break;
     case'5' :seg_buf[i]=0x92;break;
     case'6' :seg_buf[i]=0x82;break;
     case'7' :seg_buf[i]=0xf8;break;
     case'8' :seg_buf[i]=0x80;break;
     case'9' :seg_buf[i]=0x90;break;
     case'-' :seg_buf[i]=0xbf;break;
     case' ' :seg_buf[i]=0xff;break;
     case'C' :seg_buf[i]=0xc6;break;
     default :seg_buf[i]=0xff;
   }
   if(seg_str[j+1]=='.'){
     seg_buf[i]= seg_buf[i]&0x7F;
     j=j+1;
   }
 }
}
void seg_dis(unsigned char *seg_buf,unsigned char wei,unsigned char deng,unsigned int num1){
 P0=0XFF;
 P2=(P2&0X1F)|0XE0;
 P2=(P2&0X1F);

 P0=1<<wei;
 if(num1>0&&num1<500){
 switch(deng){
 case 1 : P00=0;P01=0;break;
 case 2 : P03=0;P04=0;break;
 case 3 : P06=0;P07=0;break;
   }     
 } 
 if(num1>500&&num1<1000)P0=1<<wei;
 P2=(P2&0X1F)|0Xc0;P2=(P2&0X1F);

 P0=seg_buf[wei];
 P2=(P2&0X1F)|0Xe0;
 P2=(P2&0X1F);
}
//这是seg.h
#ifndef _seg_h
#define _seg_h
#include <STC15F2K60S2.H>
void seg_tran(unsigned char *seg_str,unsigned char *seg_buf);
void seg_dis(unsigned char *seg_buf,unsigned char wei,unsigned char deng,unsigned int num1);
#endif

没有报错

不想再设变量，不过如果这样写不了的话，还请同志们支招

如果可以的话，看一下闹铃时间到了，如何一边闪灯，数码管一边正常显示。我现在的情况是，只有小灯闪烁结束后，数码管才可以正常显示

Answer 1