#include "bsp_485.h" void L2_485_init(void) { //485配置输出 P70 P41 BITN_0(P7M1,BITN0);BITN_1(P7M0,BITN0); BITN_0(P4M1,BITN1);BITN_1(P4M0,BITN1); }