如何在这个程序的基础上让led循环左移再右移？

巨蟹座的娃子

• 2016-08-14

#include sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; void main() { unsigned char cnt = 0; unsigned int i=0; ENLED = 0; ADDR3 = 1; ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; while(1) { P0 = ~(0x01