单片机程序 开始4个灯亮，按一次按键按顺序亮一个灯

正文摘要:

开始4个灯亮，按一次按键按顺序亮一个灯   #include<REGX51.h> #define LED P1 sbit BUT = P2^7; unsigned char num[]={0x00,0x6e,0x0d,0x0b,0x07}; void delay(unsigned int num) {     ...