基于stc15f2k60s2芯片单片机编程（超声波报警）

按键S7控制上下限，S6加S7减；（运行此程序时按键不好用）

#include <stc15f2k60s2.h>
#include <intrins.h>
void shumaguan();
void Timer0Init();
void Delay500ms();
void Delay2us();
void anjian();
unsigned char abile[]={
   
   0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90,0XBF,0XFF};
unsigned char saomiao[]={
   
   0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF};
unsigned int distance;
unsigned char high=30,low=10;
unsigned char a;
void Send_Wave();
sbit TX=P1^0;
sbit RX=P1^1;
sbit S7=P3^0;
sbit S6=P3^1;
sbit S5=P3^2;
unsigned int time=0;
void mdistance();
void main()
{
   
   	
//	P2=0XC0;P0=0X01;P2=0XFF;P0=0XFF;P2=0XA0;P0=0X00;
	Timer0Init();

while(1){
   
   
   
			mdistance