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標題: （分享設計）動態數碼管顯示 [打印本頁]

作者: loading88 時間: 2018-4-27 14:05
標題: （分享設計）動態數碼管顯示
#include "reg52.h"
typedef unsigned char u8;
typedef unsigned int  u16;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 code smgduan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,
            0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //共陰
void delay(u16 i)
{
while(i--);
}
void DiaDisplay() //循環掃描八個數碼管，并顯示code smguan[16]中的數字
{
u8 i;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0;break;
case(1):
LSA=1;LSB=0;LSC=0;break;
case(2):
LSA=0;LSB=1;LSC=0;break;
case(3):
LSA=1;LSB=1;LSC=0;break;
case(4):
LSA=0;LSB=0;LSC=1;break;
case(5):
LSA=1;LSB=0;LSC=1;break;
case(6):
LSA=0;LSB=1;LSC=1;break;
case(7):
LSA=1;LSB=1;LSC=1;break;
}
P0=smgduan[i+1];
delay(50000);
P0=0x00;
}
}
void main()
{
  while(1)
  {
  DiaDisplay();
  }
}

作者: xiaoyu. 時間: 2018-5-17 22:51
數碼管動態顯示1和2
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit wela=P2^7;
sbit dula=P2^6;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void main()
{
while(1)
{
dula=1;
P0=0x06;
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delay(5);

dula=1;
P0=0x5b;
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(5);
}
}

作者: fantasy1 時間: 2018-7-9 19:47
#include"reg52.h"
#define uint unsigned int
#define uchar unsigned char
sbit a=P2^2;
sbit b=P2^3;
sbit c=P2^4;
void delay(uint);
void main()
{
uint i,j;

uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};

while(1)
{
for(i=1;i<9;i++)
{
switch(i)
{
case 1 : a=0;b=0;c=0;break;
case 2 : a=1;b=0;c=0;break;
case 3 : a=0;b=1;c=0;break;
case 4 : a=1;b=1;c=0;break;
case 5 : a=0;b=0;c=1;break;
case 6 : a=1;b=0;c=1;break;
case 7 : a=0;b=1;c=1;break;
case 8 : a=1;b=1;c=1;break;
}

for(j=0;j<16;j++)
{
P0=table[j];
delay(500);
}

}

}
}

void delay(uint w)
{
uint i,j;
for(i=w;i>0;i--)
for(j=110;j>0;j--);
}

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