|
|
#include<reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit rs=P3^5; //1602??????/???????????
sbit rw=P3^6; //1602???д??????
sbit en=P3^4; //1602??????????
sbit trig=P2^5; //????????????Trig
sbit echo=P3^2; //????????????Echo
bit flag1; //?????????λ//
uchar count; //?ж???????
long int distance; //???????t???
unsigned char code table[ ]={"0123456789"}; //??????????????????
/*------------------------------------------------
???????
------------------------------------------------*/
void delay(uint n)
{
uint x,y;
for(x=n;x>0;x--)
for(y=110;y>0;y--);
}
/*------------------------------------------------
???????
------------------------------------------------*/
void delayt(uint x)
{
uchar j;
while(x-- > 0)
{
|
评分
-
查看全部评分
|
QQ好友和群
QQ空间
腾讯微博
腾讯朋友
收藏
淘帖
顶
踩
