STC15F2K60S2之继电器与蜂鸣器实验相关资料下载

相关代码：//跑马灯的升级版！#include “STC15F2K60S2.h”//***it H138_A=P2^5;//***it H138_B=P2^6;//***it H138_C=P2^7;void Delay(unsigned char t){while(t–);while(t–);}void InitH138(unsigned char n){switch(n){case 4://让Y4输出低电平。P2 = (P2 & 0x1f) | 0x80;//不打括号行