.H文件
#ifndef _SMG_H_ #define _SMG_H_ #include "STC15F2K60S2.h" extern unsigned char SMGOut[12]; extern unsigned char SMGBit[8]; extern unsigned char SMGCount; void SMG_display(); #endif
.C文件
#include "SMG.h" unsigned char SMGOut[12]={0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0xbf, 0xff}; unsigned char SMGBit[8]={11,11,11,11,11,11,11,11}; unsigned char SMGCount; void SMG_display() { P2=(P2&0X1F)|0xe0; P0=0XFF; P2=(P2&0X1F); P2=(P2&0X1F)|0xC0; P0=1<<SMGCount; P2=P2&0X1F; P2=(P2&0X1F)|0xE0; P0=SMGOut[SMGBit[SMGCount]]; P2=P2&0X1F; if(++SMGCount==8)SMGCount=0; }