stc15w4k32s4的電子時鐘不顯示，程序和仿真在附件中，新手小白求助

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ID:780023 發(fā)表于 2020-7-9 22:13 | 只看該作者 |只看大圖回帖獎勵

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#include<stc15.h>
/*共陰數(shù)碼管編碼*/
unsigned char code tab1[]={
0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f};
/*位選編碼*/
unsigned char code tab2[]={
      0xfe,0xfd,0xfb,0xf7,
      0xef,0xdf,0xbf,0x7f};
unsigned char dis_buf[8]={0,0,0x40,0,0,0x40,0,0};
sbit duanxuan=P1^0;
/*按鍵位定義*/
sbit key0=P1^0;
sbit key1=P1^1;
sbit key2=P1^2;
sbit key3=P1^3;
sbit key4=P1^4;
sbit key5=P1^5;
sbit key6=P1^6;
sbit key7=P1^7;
/*秒、分、時的初始化*/
unsigned int  tt=0;
unsigned char i=0;
char sec=0,fen=0,shi=12;
unsigned int sign=1;
/*延時函數(shù)*/
void delay(unsigned int n)
{
while(n--);
}
/*定時器0初始化函數(shù)*/
void chushihua()             //1毫秒@12.000MHz
{
      AUXR &= 0x7F;             //定時器時鐘12T模式
      TMOD &= 0xF0;             //設(shè)置定時器16位自動重載模式
      TL0 = 0x18;                      //設(shè)置定時初值
      TH0 = 0xFC;                      //設(shè)置定時初值
      TR0 = 1;                               //定時器0開始計時
      EA=1;
      ET0=1;
}
/*按鍵設(shè)定函數(shù)*/
void sheding()
{
      if(key0==0)
      {
            delay(3500);
            if(key0==0)
            {
                     sign=0;
            }
      }
      if(key1==0)
      {
            delay(3500);
            if(key1==0)
            {
                     sec++;
                     if(sec>59)
                              sec=0;
                     while(!key1);
            }
      }
      if(key2==0)
      {
            delay(3500);
            if(key2==0)
            {
                     fen++;
                     if(fen>59)
                              fen=0;
                     while(!key2);
            }
      }
      if(key3==0)
      {
            delay(3500);
            if(key3==0)
            {
                     shi++;
                     if(shi>23)
                              shi=0;
                     while(!key3);
            }
      }
      if(key5==0)
      {
            delay(3500);
            if(key5==0)
            {
                     sec--;
                     if(sec<0)
                              sec=59;
                     while(!key5);
            }
      }
      if(key6==0)
      {
            delay(3500);
            if(key6==0)
            {
                     fen--;
                     if(fen<0)
                              fen=59;
                     while(!key6);
            }
      }
      if(key7==0)
      {
            delay(3500);
            if(key7==0)
            {
                     shi--;
                     if(shi<0)
                              shi=23;
                     while(!key7);
            }
      }
      if(key4==0)
      {
            delay(3500);
            if(key4==0)
            {
                     sign=1;
            }
      }
}
/*顯示函數(shù)*/
void display()
{
            P7=tab2[0];
            P6=tab1[sec%10];
            delay(3500);
            P6=0x00;//消影
            P7=tab2[1];
            P6=tab1[sec/10];
            delay(3500);
            P6=0x00;//消影
            P7=tab2[2];
            P6=0x40;
            delay(3500);
            P6=0x00;//消影
            P7=tab2[3];
            P6=tab1[fen%10];
            delay(3500);
            P6=0x00;//消影
            P7=tab2[4];
            P6=tab1[fen/10];
            delay(3500);
            P6=0x00;//消影
            P7=tab2[5];
            P6=0x40;
            delay(3500);
            P6=0x00;//消影

            P7=tab2[6];
            P6=tab1[shi%10];
            delay(3500);
            P6=0x00;//消影
            P7=tab2[7];
            P6=tab1[shi/10];
            delay(3500);
            P6=0x00;//消影
   }
/*主函數(shù)*/
void main(void)
{
      chushihua();
      while(1)
      {
            sheding();
      display();
      }
}
/*定時器0中斷函數(shù)*/
void time0() interrupt 1
{
      if(sign)
      {
            tt++;
            if(tt>=1000)
            {
                     tt=0;
                     sec++;
                     if(sec>=60)
                     {
                              sec=0;
                              fen++;
                              if(fen>=60)
                              {
                                    fen=0;
                                    shi++;
                                    if(shi>=24)
                                    {
                                             shi=0;
                                    }
                              }
                     }
            }
      }
}

stc15w4k32s4, 電子鐘