控制键盘设计C程序代码

ID:169931 · 发表于 2017-3-11 20:18

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit d1=P1^0;
sbit dula=P2^6;
sbit wela=P2^7;
sbit key1=P3^4;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
uchar num;

void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void main()
{
wela=1;
P0=0xfe;
wela=0;

P3=0xff;
while(1)
{
if(key1==0)
{
delay(5);
if(key1==0)
{
d1=0;
num++;
if(num==10)
num=0;
}
while(!key1);
delay(5);
while(!key1);
}
else
d1=1;

dula=1;
P0=table[num];
dula=0;
}
}

ID:169931 · 发表于 2017-3-11 20:19

这个内容可以啊

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