51单片机数码管显示hello源程序

ID:154714 · 发表于 2016-12-14 15:11

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
uchar  timenum;
void display();
void delay(uint z);
uchar code table[]={0x76,0x79,0x38,0x38,0x3f,0x80};

void main()
{

while(1)
{
   display();
}

}
void display()
{
wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[0];
dula=0;
wela=1;
P0=0xfe;
wela=0;
delay(5);

wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[1];
dula=0;
wela=1;
P0=0xfd;
wela=0;
delay(5);

wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[2];
dula=0;
wela=1;
P0=0xfb;
wela=0;
delay(5);

wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[3];
dula=0;
wela=1;
P0=0xf7;
wela=0;
delay(5);

wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[4];
dula=0;
wela=1;
P0=0xef;
wela=0;
delay(5);

wela=1;
P0=255;
wela=0;
dula=1;
P0=       table[5];
dula=0;
wela=1;
P0=0xcf;
wela=0;
delay(5);
}

void delay(uint z)
{
      uint t1,y;
      for(t1=z;t1>0;t1--)
            for(y=110;y>0;y--);
}

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