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標(biāo)題: 51單片機(jī)數(shù)碼管顯示0-F [打印本頁(yè)]

作者: wps/// 時(shí)間: 2018-7-13 17:11
標(biāo)題: 51單片機(jī)數(shù)碼管顯示0-F
#include <reg51.h>
sbit dula=P2^6;  //段選信號(hào)的鎖存器控制
sbit wela=P2^7;  //位選信號(hào)的鎖存器控制
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
                     0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
   //0-F的碼表
void delay(unsigned int i)
{
unsigned int m,n;
for(m=i;m>0;m--)
  for(n=90;n>0;n--);
}
void main()
{
unsigned char num;
while(1)
{
  for(num=0;num<16;num++)
  {
P0=table[num];
dula=1;
dula=0;
P0=0xfe; //選中第一個(gè)數(shù)碼管
wela=1;
wela=0;
delay(1000);
  }
}
}

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