为什么我的程序不能实现按键按一下数码管加1显示
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解决时间 2021-02-26 06:23
- 提问者网友：雨不眠的下
- 2021-02-25 10:06
为什么我的程序不能实现按键按一下数码管加1显示
最佳答案
- 五星知识达人网友：纵马山川剑自提
- 2021-02-25 11:37
#include "key.h"
sbit LED_RED=P3^0;
sbit LED_YELLOW=P3^1;
sbit LED_GREEN=P3^2;
sbit LED1=P2^7;
sbit LED0=P2^6;
uchar code dispcode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
uchar ledbuf[2];
//*主程序
void main (void)
{
uchar num;
uchar key;
while (1)
if(UP_key==0)
{
delayms(10);
if(UP_key==0)
{
LED_RED=0; LED_YELLOW=1; LED_GREEN=1;
LED1=0; P0=dispcode[num]; LED0=1;
num++;
if(num==10) num=0;
while(!UP_key);
}
}
}
sbit LED_RED=P3^0;
sbit LED_YELLOW=P3^1;
sbit LED_GREEN=P3^2;
sbit LED1=P2^7;
sbit LED0=P2^6;
uchar code dispcode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
uchar ledbuf[2];
//*主程序
void main (void)
{
uchar num;
uchar key;
while (1)
if(UP_key==0)
{
delayms(10);
if(UP_key==0)
{
LED_RED=0; LED_YELLOW=1; LED_GREEN=1;
LED1=0; P0=dispcode[num]; LED0=1;
num++;
if(num==10) num=0;
while(!UP_key);
}
}
}
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