要求利用单片机中断功能控制数码管显示,状态:当无外中断时,主用keil和...答:单片机数码管学生 0~15 include<reg51.h> unsigned char led[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};void led_display(unsigned char num);unsigned char key_scan();unsigned char temp,key;sbit led1=P2^0;sbit led2=P2^1;void main(){ unsigned char led_...
单片机c51的按键0~f的代码答:include <reg52.h> include <intrins.h> define uchar unsigned char define uint unsigned int uchar key;unsigned char code disp_code[]={ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};unsigned char code key_code[]={ 0xee,0xed,...
51单片机利用矩阵按键控制数码管显示0-9数字。。。救救我吧,我快疯...答:include unsigned char code table[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x10};unsigned char t=0;unsigned char i=0;void Delay(unsigned char i){ unsigned char j;for(; i>0; i--)for(j=110; j>0; j--);} void DisplayLED(unsigned char n){ P0=table[n...