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#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define yi 0x80 //LCD第一行的初始位置,因為LCD1602字符地址首位D7恒定為1（100000000=80）
#define er 0x80+0x40 //LCD第二行初始位置（因為第二行第一個字符位置地址是0x40）
uchar display_digit[]={0,0,0};
uchar yuzhi[]={0,0,0};
uchar phasecw[4] ={0x08,0x04,0x02,0x01};//正轉電機導通相序 D-C-B-A
uchar phaseccw[4]={0x01,0x02,0x04,0x08};//反轉電機導通相序 A-B-C-D
sbit R_D=P2^0;
sbit W_R=P2^1;
sbit C_S=P2^2;
sbit Up=P2^3;
sbit Down=P2^4;
sbit rw=P2^5; //液晶讀寫端
sbit rs=P2^6; //液晶指令/數(shù)據(jù)輸入控制
sbit en=P2^7; //液晶使能端
sbit AD_data=P1;
sbit bianji=P3^4;
sbit jia=P3^7;
sbit jian=P3^6;
uint adval;
uint fazhi=180;
uchar state=1;//1為窗簾打開，0為窗簾關閉
uchar zhuangtai=1;//1為窗簾打開，0為窗簾關閉
void Time_init()
{
EA=1;
TMOD=0x11;
TH0=0xf8;
TL0=0xcc;
ET0=1;
TR0=0;
}
void delay(uint time)
{
uint x,y;
for(x=time;x>0;x--)
for(y=110;y>0;y--);
}
void qiangdushuzhi()
{
C_S=0;
W_R=0; //啟動AD轉換
delay(1);
W_R=1;
C_S=1;
delay(10);
P1=0xff; //讀取AD轉換值前,先把P1口置1
C_S=0;
R_D=0; //AD讀使能
delay(1);
adval=P1; //把AD轉換好的值,賦給 adval
R_D=1;
C_S=1; //置1后,為下次AD轉換做準備
delay(1);
display_digit[0]=adval/100;
display_digit[1]=adval%100/10; //取得十位數(shù)字
display_digit[2]=adval%10; //取得個位數(shù)字
}
void write_1602com(uchar com)
{
rs=0; //數(shù)據(jù)/指令選擇置為指令
rw=0; //讀寫選擇置為寫
P0=com; //送入數(shù)據(jù)
delay(1);
en=1; //拉高使能端，為制造有效的下降沿做準備
delay(1);
en=0; //en由高變低，產生下降沿，液晶執(zhí)行命令
}
void write_1602dat(uchar dat)
{
rs=1; //數(shù)據(jù)/指令選擇置為數(shù)據(jù)
rw=0; //讀寫選擇置為寫
P0=dat; //送入數(shù)據(jù)
delay(1);
en=1; //en置高電平，為制造下降沿做準備
delay(1);
en=0; //en由高變低，產生下降沿，液晶執(zhí)行命令
}
void write_1602str(uchar *s) //寫字符串
{
while(*s)
{
write_1602dat(*s++);
}
}
void lcd_init()
{
write_1602com(0x38); //設置液晶工作模式，
write_1602com(0x0c); //開顯示不顯示光標
write_1602com(0x06); //整屏不移動，光標自動右移
write_1602com(0x01); //清顯示
delay(5);
write_1602com(yi+5); //固定符號從第一行第1個位置之后開始顯示
write_1602str("WELCOME");
delay(1000);
write_1602com(0x01);
}
void display( )
{
yuzhi[0]=fazhi/100;
yuzhi[1]=fazhi%100/10;
yuzhi[2]=fazhi%10;
write_1602com(yi+0);
write_1602str(" TARGET:");
if(yuzhi[0]==0)
{
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
if(yuzhi[0]!=0)
{
write_1602dat(0x30+yuzhi[0]);
delay(5);
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
write_1602com(er+0); //er是頭文件寫的值0x80+0x40
delay(5);
write_1602str("CURRENT:");
delay(5);
if(display_digit[0]==0)
{
write_1602dat(0x30+display_digit[1]); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
delay(5);
write_1602dat(0x30+display_digit[2]); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
delay(5);
write_1602str(" "); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
delay(5);
}
if(display_digit[0]!=0)
{
write_1602dat(0x30+display_digit[0]);
delay(5);
write_1602dat(0x30+display_digit[1]); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
delay(5);
write_1602dat(0x30+display_digit[2]); //數(shù)字+30得到該數(shù)字的LCD1602顯示碼
delay(5);
}
if(zhuangtai==1)
{
write_1602com(yi+12);
write_1602str("OPEN");
}
if(zhuangtai==0)
{
write_1602com(er+11);
write_1602str("CLOSE");
}
}
void zhengzhuan(uchar step) //上升
{
uchar i,j,k;
if(zhuangtai==0)
{
write_1602com(0x01);
write_1602com(yi+6);
write_1602str("UP");
k=20*step;
for(j=0;j<k;j++)
{
for(i=0;i<4;i++)
{
P3=phasecw[i];
delay(10);//轉速調節(jié)
}
}
P3=0xf1;
zhuangtai=1;
}
}
void fanzhuan(uchar step) //下降
{
uchar i,j,k;
if(zhuangtai==1)
{
write_1602com(0x01);
write_1602com(yi+6);
write_1602str("DOWN");
k=20*step;
for(j=0;j<k;j++)
{
for(i=0;i<4;i++)
{
P3=phaseccw[i];
delay(10);//轉速調節(jié)
}
}
P3=0xf8;
zhuangtai=0;
}
}
void move(uchar level)
{
switch(level)
{
case 0:switch(state)
{
case 0:break;
case 1:fanzhuan(10);break;
}
state=0;break;
case 1:switch(state)
{
case 0:zhengzhuan(10);break;
case 1:break;
}
state=1;break;
}
}
void bijiao()
{
if(adval>=0&&adval<fazhi)
move(0);
if(adval>=fazhi&&adval<500)
move(1);
}
void yunxing()
{
if(Down==1)
{
if(Up==1)
{
bijiao();
}
else if(Up==0)
{
zhengzhuan(10);
}
}
else if(Down==0)
{
fanzhuan(10);
}
}
void key()
{
if(bianji==0)
{
write_1602com(yi+0);
write_1602str("ORIGINAL:");
if(yuzhi[0]==0)
{
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
if(yuzhi[0]!=0)
{
write_1602dat(0x30+yuzhi[0]);
delay(5);
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
write_1602str(" ");
delay(5);
while(1)
{
yuzhi[0]=fazhi/100;
yuzhi[1]=fazhi%100/10;
yuzhi[2]=fazhi%10;
write_1602com(er+0);
write_1602str("SETTING:");
if(yuzhi[0]==0)
{
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
if(yuzhi[0]!=0)
{
write_1602dat(0x30+yuzhi[0]);
delay(5);
write_1602dat(0x30+yuzhi[1]);
delay(5);
write_1602dat(0x30+yuzhi[2]);
delay(5);
}
if(jia==0)
{
delay(400);
fazhi=fazhi+5;
}
if(jian==0)
{
delay(400);
fazhi=fazhi-5;
}
if(bianji==1)
{
write_1602com(0x01);
break;
}
}
}
}
void main()
{
Time_init();
delay(50);
lcd_init(); //調用液晶屏初始化子函數(shù)
while(1)
{
key();
qiangdushuzhi();
display();
yunxing();
}
}

復制代碼

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