下面是源代碼
#include<reg51.h>
#define uchar unsigned char//數(shù)碼管段選,鎖存器控制信號
sbit dula=P2^6;//數(shù)碼管位選，鎖存器控制信號
sbit wela=P2^7;
unsigned char j,k;/*定義數(shù)碼管顯示字符跟數(shù)字的對應(yīng)數(shù)組關(guān)系*/
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//數(shù)碼管顯示編碼(0～F)/*1ms為單位的延時程序
void delay(uchar x)
uchar j;
while(x--)
for(j=0；j<125；j++）;
void main()
uchar i=0;
PO=0xCO;//數(shù)碼管位選
wela=1;
wela=0;
while(1)
PO=table[i];//送數(shù)字8到段碼端口dula=1;
dula=0;
delay(200)；
delay(200);
i++;
if(i>=16)
i=0; |
