已经控制一位数码管用K1K2可+1-1，想用独立按键控制两位数码管。怎么改进比较好

ID:1061159 · 发表于 2023-1-14 10:48

#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char
#define LED_seg P0
#define LED_com P2
sbit key1=P3^1;
sbit key2=P3^0;

static int i=0;
static int j=0;

uchar code smgduan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//??0~F??
void delay(uint i)
{
while(i--);
}

void main()
{
LED_com=0x1c;

while(1)
{
delay(1000);
if(key1==0)
{
delay(1000);
if(key1==0)
{
i++;
if(i==16)
i=0;
LED_seg=smgduan[i];
delay(50000);
}
while(key1==0);
}

delay(1000);
if(key2==0)
{
delay(1000);
if(key2==0)
{
i--;
if(i<0)
i=15;
LED_seg=smgduan[i];
delay(50000);
}
while(key1==0);
}
}

}

ID:404160 · 发表于 2023-1-14 11:46

设置两位显示缓存。加，减1时，按两位十进制计算。每位LED轮询显示缓冲区内容

ID:1061159 · 发表于 2023-1-14 15:16

飞云居士发表于 2023-1-14 11:46
设置两位显示缓存。加，减1时，按两位十进制计算。每位LED轮询显示缓冲区内容

好的谢谢

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