#include

#include

#define uchar unsigned char

#define uint unsigned int

#define ysfs 600 //宏定義 預(yù)設(shè)風(fēng)速

#define shuiping 1500 //宏定義 水平位置AD轉(zhuǎn)換結(jié)果

#define fuyang 1500 //宏定義 俯仰位置AD轉(zhuǎn)換結(jié)果

#define PA XBYTE [0x7CFF] //8255芯片端口4個(gè)基地址宏定義

#define PB XBYTE [0x7FFD]

#define PC XBYTE [0x7FFE]

#define CONTROL XBYTE [0x7FFF]

sbit OE=P1^0; //以下為關(guān)于AD0808與單片機(jī)的八個(gè)接口定義

sbit EOC=P1^1;

sbit START=P1^2;

sbit CLK=P1^3;

sbit ALE=P1^4;

sbit C0=P1^5;

sbit C1=P1^6;

sbit C2=P1^7;

sbit gdkg=P2^3; //用于復(fù)位光電開(kāi)關(guān)端口定義

sbit clock=P2^0; //定義水平俯仰步進(jìn)電機(jī)的速度端口，頻率越快，速度越快,不給頻率電機(jī)不轉(zhuǎn)

sbit cw1=P2^1; //定義水平步進(jìn)電機(jī)的轉(zhuǎn)向端口，1正轉(zhuǎn)，0反轉(zhuǎn)

sbit enable1=P2^2; //定義水平步進(jìn)電機(jī)的使能端口，1轉(zhuǎn)，0不轉(zhuǎn)

sbit cw2=P2^4; //定義俯仰步進(jìn)電機(jī)的轉(zhuǎn)向端口，1正轉(zhuǎn)，0反轉(zhuǎn)

sbit enable2=P2^5; //定義俯仰步進(jìn)電機(jī)的使能端口，1轉(zhuǎn)，0不轉(zhuǎn)

uint ad_result_fenshu,ad_result_shuiping,ad_result_fuyang;

void timer_init()

{

TMOD=0x11; //定時(shí)器模式設(shè)置

TH0=(65536-5000)/256;

TL0=(65536-5000)%6;

TH1=0xFF;

TL1=0x9C;

ET0=1; //允許定時(shí)器0中斷

TR0=1; //啟動(dòng)定時(shí)器0

ET1=1; //允許定時(shí)器1中斷

TR1=1; //啟動(dòng)定時(shí)器1

EA=1; //允許總中斷

}

void AD_chane(int x)

{

if(x==0)

{

C0=0;

C1=0;

C2=0;

}

else if(x==1)

{

C0=1;

C1=0;

C2=0;

}

else if(x==2)

{

C0=0;

C1=1;

C2=0;

}

ALE=1;

}

int Get_AD_Sd()

{

int Sd;

START=0;START=1;START=0;

while(EOC==0);

OE=1;

Sd=P3;

OE=0;

return Sd;

}

void reset()

{

while(gdkg!=1)

{

cw2=0;

enable2=1;

}

enable2=0;

}

void shuiping_tiaozheng(int date)

{

if(date>shuiping)

{

do

{

cw1=1;

enable1=1;

}

while(date==shuiping);

enable1=0;

}

else if(date

{

do

{

cw1=0;

enable1=1;

}

while(date==shuiping);

enable1=0;

}

}

void fuyang_tiaozheng(int date)

{

if(date>fuyang)

{

do

{

cw2=1;

enable2=1;

}

while(date==fuyang);

enable2=0;

}

else if(date

{

do

{

cw2=0;

enable2=1;

}

while(date==fuyang);

enable2=0;

}

}

void main()

{

CONTROL = 0x80;

ALE=0;

timer_init();

enable1=0;

enable2=0;

while(1) //進(jìn)入循環(huán)

{

AD_chane(0);

ad_result_fenshu=Get_AD_Sd();

ALE=0;

AD_chane(1);

ad_result_shuiping=Get_AD_Sd();

ALE=0;

AD_chane(2);

ad_result_fuyang=Get_AD_Sd();

ALE=0;

if(ad_result_fenshu>ysfs) //如果風(fēng)速大于預(yù)設(shè)風(fēng)速，則復(fù)位

{

reset();

}

shuiping_tiaozheng(ad_result_shuiping);

fuyang_tiaozheng(ad_result_fuyang);

}

}

void timer0() interrupt 1

{

TH0=(65536-5000)/256;

TL0=(65536-5000)%6;

CLK=~CLK;

}

void timer1() interrupt 3

{

static uchar i=0;

TH1=0xFF;

TL1=0x9C;

++i;

if (i>10) i=0;

if (i<=6)

clock=0;

else

clock=1;

}