在數碼管顯示的時候問什么沒有指定的數碼管會跟著各位或者十位數字變化顯示，

ID:399373 · 發表于 2018-9-18 09:58

#include<reg52.h>
#define Data_Outport P0
sbit Lotch_Duan=P2^2;
sbit Lotch_Wei=P2^3;
sbit KEY_ADD=P3^3;
sbit KEY_DEC=P3^4;
void delay1(unsigned int t);
void delay2(unsigned int t);
void disply(unsigned char FirstBit,unsigned char Num);

unsigned char code Wei_Ma[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code Duan_Ma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char Huan_Chun[8];
void Shi_Jian(void);

void main()
{    unsigned char num=0;
Shi_Jian();
while(1)
{
      if(KEY_ADD==0)
   {
      delay2(10);
if(KEY_ADD==0)
{
   while(!KEY_ADD);
         if(num<99)
   {
            num++;
         }

}
   }
   if(KEY_DEC==0)
   {
      delay2(10);
if(KEY_DEC==0)
{
   while(!KEY_DEC);
         if(num>0)
   {
            num--;
         }

}
   }
   Huan_Chun[0]=Duan_Ma[num/10];
   Huan_Chun[1]=Duan_Ma[num%10];

}
}

void delay1(unsigned int t)
{
while(--t);
}
void delay2(unsigned int t)
{
while(t--)
{
   //大致延時1mS
   delay1(245);
   delay1(245);
}
}
void disply(unsigned char FirstBit,unsigned char Num)
{
static unsigned char i=0;

Data_Outport=0;
Lotch_Duan=1;
Lotch_Duan=0;

Data_Outport=Huan_Chun[i];
Lotch_Duan=1;
Lotch_Duan=0;

Data_Outport=Wei_Ma[i+FirstBit];
Lotch_Wei=1;
Lotch_Wei=0;
i++;
if(i==Num)
{
      i=0;
}

}
void Shi_Jian(void)
{
TMOD |=0x01;
TH0=(65536-2000)/256;
TL0=(65536-2000)%256;
EA=1;
ET0=1;
TR0=1;
}
void Ding_Shi(void)interrupt 1
{
TH0=(65536-2000)/256;
TL0=(65536-2000)%256;
disply(0,8);
}

ID:387733 · 發表于 2018-9-18 18:59

      Data_Outport=0;
      Lotch_Duan=1;
      Lotch_Duan=0;

      Data_Outport=Wei_Ma[i+FirstBit];
      Lotch_Wei=1;
      Lotch_Wei=0;

      Data_Outport=Huan_Chun[i];
      Lotch_Duan=1;
      Lotch_Duan=0;

      i++;
      if(i==Num)
      {
         i=0;
      }

次序換一下，先關閉段碼，再設置位碼，然后打開段碼。否則位還沒換，就打開段碼，顯示就錯位了

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在數碼管顯示的時候問什么沒有指定的數碼管會跟著各位或者十位數字變化顯示，

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