按一下按键数码管显示0到F的单片机程序求帮助

ID:430574 · 发表于 2018-12-5 20:49

#include<reg51.h>
sbit k1=P1^1;
unsigned int code shumaguan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void delay (unsigned int i)
{
while(i--);
}
void main()
{
unsigned int i;
if(k1==0)
{
while(!k1)
for(i=1;i<=16;i++)
{
P0=shumaguan[i];
delay(1000);
}
}
}

复制代码

ID:430574 · 发表于 2018-12-5 20:52

怎么按一下让数字显示1再按一下显示2这样到F

ID:438858 · 发表于 2018-12-8 14:07

#include<reg52.h>
sbit led=P1^0;
sbit key=P3^0;
sbit sw=P3^6;
void Delay10ms();
void main()
{
unsigned char temp=0xf0;
while(1)
{
if(sw==0)
{
Delay10ms();
if(sw==0)
{
temp++;
P2=temp;
while(!sw); //等待按键释放
}
}
}
}
void Delay10ms() //@11.0592MHz
{
unsigned char i, j;

i = 108;
j = 145;
do
{
while (--j);
} while (--i);
}

ID:442260 · 发表于 2018-12-8 17:23

本帖最后由 Eureka!Eureka! 于 2018-12-8 17:24 编辑

舟舟发表于 2018-12-5 20:52
怎么按一下让数字显示1再按一下显示2这样到F

#include<reg51.h>
sbit k1=P1^1;
unsigned char P0;
unsigned int code shumaguan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void delay(unsigned int times) //延迟1ms
{
unsigned int i,j;
for(i=0;i<times;i++)
{for(j=0;j<124;j++);}
}
void main()
{
unsigned char i;
while(1)
{
if(k1==1)
{
while(k1);//k1仍在按下时间内空操作
P0=shumaguan[i];//按键松开瞬间执行端口赋值

复制代码

ID:442293 · 发表于 2018-12-8 18:14

Eureka!Eureka! 发表于 2018-12-8 17:23

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按一下按键数码管显示0到F的单片机程序 求帮助

按一下按键数码管显示0到F的单片机程序求帮助