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標(biāo)題:
51單片機(jī)獨立按鍵數(shù)碼管-增減數(shù)字源程序
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作者:
!=5
時間:
2020-2-21 12:43
標(biāo)題:
51單片機(jī)獨立按鍵數(shù)碼管-增減數(shù)字源程序
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proteus電路圖
2020-2-21 12:41 上傳
單片機(jī)源程序如下:
#include<reg51.h>//獨立按鍵 增減數(shù)字 超過0~9 顯示F;
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define seg P0
#define duan P2
sbit s1=P2^1;
sbit s2=P2^2;
void delay(uint t)
{
while(t--);
}
void main()
{
uchar i=0,j=0,k=0,code shuzi[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//共陰數(shù)碼管
duan=0xfe;
P0=shuzi[0];
while(1)
{
if(s1==0)
{
delay(15);
if(s1==0)
i++;
delay(50000);
if(i>=0&&i<=9)
{
P0=shuzi[i];
delay(5000);
}
else
{ P0=0X71;
i=10;
}
}
if(s2==0)
{
delay(15);
if(s2==0)
i--;
delay(50000);
if(i>=0&&i<=9)
{
P0=shuzi[i];
delay(5000);
}
else
{
P0=0x71;
i=-1;
}
}
}
}
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