C语言编写STC12C5A60S2芯片用4个按键控制四个灯的亮灭

#include“reg52.h”#include“delay.h”// 定义按键 KEY_0~KEY_6 对应P1^0~P1^6sbit KEY_0 = P1^0;sbit KEY_1 = P1^1;sbit KEY_4 = P1^4;sbit KEY_5 = P1^5;sbit KEY_6 = P1^6;// 定义LED _7~LED_3 对应P2^7~P2^3sbit LED_7 = P2^7;sbit LED_ 6= P2^6;sbit LED_ 5= P2^5;