標(biāo)題:
小白AT89C51超聲波模塊測距求助,求大佬指點
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作者:
歐陽燦
時間:
2019-1-19 11:06
標(biāo)題:
小白AT89C51超聲波模塊測距求助,求大佬指點
代碼如下,求大佬能夠指點一下我,跪謝啊啊啊啊啊!
#include<reg52.h>
sbit trig=P3^1;
sbit echo=P3^2;
sbit test=P1^0;
sbit DU=P2^6;
sbit WE=P2^7;
sbit A=P3^4;
bit succeed_flag;
char duan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //12òõêyÂë1ü±í
char wei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
int H,L;
int x;
void delay(int xms) //Ñóê±oˉêy
{
int i,j;
for(i=xms;i>0;i--)
for(j=125;j>0;j--);
}
void delay20() //Ñóê±20
{
int i;
for(i=0;i<100;i++);
}
void ZHSC(int i) //½«¾ààëi×a»»3éêyÂë1üÏÔê¾
{
int g,s,b,q,w,sw,bw,qw;
qw=i/10000000;
i%=10000000;
bw=i/1000000;
i%=1000000;
sw=i/100000;
i%=100000;
w=i/10000;
i%=10000;
w=i/10000;
i%=10000;
q=i/1000;
i%=1000;
b=i/100;
i%=100;
s=i/10;
i%=10;
g=i;
P0=duan[g];
DU=1;
DU=0;
P0=wei[0];
WE=1;
WE=0;
P0=duan[s];
DU=1;
DU=0;
P0=wei[1];
WE=1;
WE=0;
P0=duan[b];
DU=1;
DU=0;
P0=wei[2];
WE=1;
WE=0;
P0=duan[q];
DU=1;
DU=0;
P0=wei[3];
WE=1;
WE=0;
P0=duan[w];
DU=1;
DU=0;
P0=wei[4];
WE=1;
WE=0;
P0=duan[sw];
DU=1;
DU=0;
P0=wei[5];
WE=1;
WE=0;
P0=duan[bw];
DU=1;
DU=0;
P0=wei[6];
WE=1;
WE=0;
P0=duan[qw];
DU=1;
DU=0;
P0=wei[0];
WE=1;
WE=0;
P0=duan[7];
}
int start()
{
test=0;
succeed_flag=0;
echo=0;
trig=0;
TMOD=0x11; //¼Æê±Æ÷1¤×÷·½ê½
IT0=0; //μíμçÆ½′¥·¢
EX0=0; //INTO2»ÔêDíÖD¶Ï
ET0=0; //¼Æê±Æ÷02»ÔêDíÖD¶Ï
TR0=0; //¼Æê±Æ÷02»1¤×÷
EA=0; //×ü¿a1Ø1رÕ
trig=1; //¸ßμçÆ½
delay20();
trig=0;
while(echo==0);
EX0=1;
EA=1;
TH0=0;
TL0=0;
ET0=1;
TR0=1;
while(TH0<30);
EA=0;
if(succeed_flag==1)
{
x=H*256+L;
x=(x*1.87)/100;
}
if(succeed_flag==0)
{
x=0;
test=!test;
}
return x;
}
void main()
{
while(1)
{
if(A==0)
{
delay(20);
if(A==0)
{
start();
ZHSC(x);
}
}
}
}
void zd()interrupt 0 //INT0中斷函數(shù)
{
H=TH0;
L=TL0;
succeed_flag=1;
EX0=0;
}
復(fù)制代碼
作者:
admin
時間:
2019-1-19 13:36
您這個問題給的信息不全,估計是沒人能回答得了的,先轉(zhuǎn)移到冷門區(qū)了,自行點擊編輯按鈕補充一下吧,審核員會幫你重新轉(zhuǎn)到熱門問答區(qū)的
作者:
歐陽燦
時間:
2019-1-19 21:15
admin 發(fā)表于 2019-1-19 13:36
您這個問題給的信息不全,估計是沒人能回答得了的,先轉(zhuǎn)移到冷門區(qū)了,自行點擊編輯按鈕補充一下吧,審核員 ...
在哪里編輯啊,找了半天......沒找到
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