大神可否指点一下我的lcd仿真出现的问题 -

#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit RS = P2^0;
sbit RW = P2^1;
sbit EN = P2^2;
sbit k1=P3^2;
sbit k2=P3^3;
sbit k3=P3^4;
sbit k4=P3^5;
sbit k5=P3^6;//加速
//sbit k6=P3^7;//减速
sbit DQ = P3^7;
sbit motor1_run = P2^3;
sbit motor2_r = P2^4;
sbit motor2_l = P2^5;
sbit IN1 = P2^6;
sbit IN2 = P2^7;
unsigned int temp;
unsigned char code table[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
unsigned char code table1[] = {0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};
#define st_mo P1
#define RS_CLR RS=0
#define RS_SET RS=1
#define RW_CLR RW=0
#define RW_SET RW=1
#define EN_CLR EN=0
#define EN_SET EN=1
#define DataPort P0
#define KeyPort P3
uchar code start[]="open";
uchar code close[]="stop";
uchar ccw[]={0x08,0x0c,0x04,0x06,0x02,0x03,0x01,0x09}; //
uchar cw[]={0x09,0x01,0x03,0x02,0x06,0x04,0x0c,0x08}; //
uchar i;
uint value_h=320;
uint value_l=200;
uchar PWM=180;
uint temp_data,temp_data2;
/*------------------------------------------------
------------------------------------------------*/
void DelayUs2x(uchar t)
{
while(--t);
}
/*------------------------------------------------
------------------------------------------------*/
void delay(unsigned char t)
{
while(t--) ;
}
void delayms(unsigned char ms)
{
unsigned char i ;
while(ms--)
{
for(i = 0 ; i < 120 ; i++) ;
}
}
void ccw_motor() //逆时针旋转
{
uchar i;
for(i=0;i<8;i++)
{
for(i=0;i<8;i++)
{
st_mo=ccw[i];
delay(500);
}
}
}
void cw_motor() //顺时针旋转
{
uchar i;
for(i=0;i<8;i++)
{
for(i=0;i<8;i++)
{
st_mo=cw[i];
delay(500);
}
}
}
/*------------------------------------------------
------------------------------------------------*/
bit LCD_Check_Busy(void) //检查忙标志位函数（LCD）
{
DataPort= 0xFF; //DataPort为单位变量，初始值为0xFF
RS_CLR;
RW_SET;
EN_CLR;
_nop_(); //空操作，给硬件反应时间
EN_SET;
return (bit)(DataPort & 0x80); //如果忙标志位BF=1，回到bit
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Write_Com(uchar com)
{
while(LCD_Check_Busy());
RS_CLR;
RW_CLR;
EN_SET;
DataPort= com;
_nop_();
EN_CLR;
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Write_Data(uchar Data) //写数据函数
{
while(LCD_Check_Busy());
RS_SET;
RW_CLR;
EN_SET;
DataPort= Data;
_nop_();
EN_CLR;
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Clear(void) //清屏
{
LCD_Write_Com(0x01);
delayms(5);
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Write_String(uchar x,uchar y,uchar *s) //显示字符串
{
if (y == 0)
{
LCD_Write_Com(0x80 + x);
}
else
{
LCD_Write_Com(0xC0 + x);
}
while (*s)
{
LCD_Write_Data( *s);
s ++;
}
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Write_Char(uchar x,uchar y,uchar Data)
{
if (y == 0)
{
LCD_Write_Com(0x80 + x);
}
else
{
LCD_Write_Com(0xC0 + x);
}
LCD_Write_Data( Data);
}
/*------------------------------------------------
------------------------------------------------*/
void LCD_Init(void)
{
LCD_Write_Com(0x38);
delayms(5);
LCD_Write_Com(0x38);
delayms(5);
LCD_Write_Com(0x38);
delayms(5);
LCD_Write_Com(0x38);
LCD_Write_Com(0x08);
LCD_Write_Com(0x01);
LCD_Write_Com(0x06);
delayms(5);
LCD_Write_Com(0x0C);
}
unsigned char KeyScan(void)
{
unsigned char keyvalue;
if(KeyPort!=0xff)
{
delayms(10);
if(KeyPort!=0xff)
{
keyvalue=KeyPort;
while(KeyPort!=0xff);
switch(keyvalue)
{
case 0xfe:return 1;break;
case 0xfd:return 2;break;
case 0xfb:return 3;break;
case 0xf7:return 4;break;
case 0xef:return 5;break;
case 0xdf:return 6;break;
case 0xbf:return 7;break;
case 0x7f:return 8;break;
default:return 0;break;
}
}
}
return 0;
}
/*****************DS18B20******************/
void Init_Ds18b20(void)
{
DQ = 1;
delay(1);
DQ = 0;
delay(250);
DQ = 1;
delay(100);
}
uchar Read_One_Byte()
{
uchar i = 0;
uchar dat = 0;
for(i=8;i>0;i--)
{
DQ = 0;
_nop_();
dat >>= 1;
DQ = 1;
delay(1);
if(DQ)
{
dat |= 0x80;
}
delay(10);
}
return (dat);
}
void Write_One_Byte(uchar dat)
{
uchar i = 0;
for(i=8;i>0;i--)
{
DQ = 0;
_nop_();
DQ = dat&0x01;
delay(10);
DQ = 1;
dat >>= 1;
delay(1);
}
}
uint Get_Tmp()
{
float tt;
uchar a,b;
Init_Ds18b20();
Write_One_Byte(0xcc);
Write_One_Byte(0x44);
Init_Ds18b20();
Write_One_Byte(0xcc);
Write_One_Byte(0xbe);
a = Read_One_Byte();
b = Read_One_Byte();
temp = b;
temp <<= 8;
temp = temp|a;
tt = temp*0.0625;
temp = tt*10+0.5;
return temp;
}
void timer0() interrupt 1
{
TR1=0 ;
TH0=0x9f ;
TL0=0xce ;
TH1=PWM ;
TR1=1 ;
IN1=0 ;
IN2=0 ;
}
void timer1() interrupt 3
{
TR1=0 ;
IN1=1 ;
IN2=0 ;
}
/*------------------------------------------------
------------------------------------------------*/
void main(void)
{
uchar num;
LCD_Init();
LCD_Clear();
//temperature
LCD_Write_Char(0,0,'T');LCD_Write_Char(1,0,':');LCD_Write_Char(4,0,0x2e);LCD_Write_Char(6,0,0xdf);
LCD_Write_Char(7,0,'W');LCD_Write_Char(8,0,':');
LCD_Write_Char(0,2,'H');LCD_Write_Char(1,2,':');LCD_Write_Char(4,2,0x2e);LCD_Write_Char(6,2,0xdf);
LCD_Write_Char(7,2,'D');LCD_Write_Char(8,2,':');LCD_Write_Char(11,2,0x2e);LCD_Write_Char(13,2,0xdf);
IN1=0;
IN2=0;
//TMOD=0x21 ;
TMOD=0x11 ;
//TH0=0xff ;
//TL0=0xce ;
TH0=0x9f ;
TL0=0xce ;
TH1=PWM ;
TL1=0 ;
while(1)
{
//delayms(200);
temp_data=Get_Tmp(); //PWM温度调速
if(temp_data>value_h){temp_data2=value_h;}
else if(temp_data<value_l){temp_data2=value_l;}
else{temp_data2=temp_data;}
if((temp_data2>220) && (temp_data2<230)){PWM=165;}
if((temp_data2>230) && (temp_data2<240)){PWM=170;}
if((temp_data2>240) && (temp_data2<250)){PWM=175;}
if((temp_data2>250) && (temp_data2<260)){PWM=180;}
if((temp_data2>260) && (temp_data2<270)){PWM=185;}
if((temp_data2<280) && (temp_data2>270)){PWM=190;}
if((temp_data2<290) && (temp_data2>280)){PWM=195;}
if((temp_data2<300) && (temp_data2>290)){PWM=200;}
if((temp_data2<310) && (temp_data2>300)){PWM=210;}
if((temp_data2<320) && (temp_data2>310)){PWM=220;}
LCD_Write_Com(0xc2);
LCD_Write_Data(value_h/100+0x30);
LCD_Write_Com(0xc3);
LCD_Write_Data(((value_h/10)%10)+0x30);
LCD_Write_Com(0xc5);
LCD_Write_Data(value_h%10+0x30);
LCD_Write_Com(0xc9);
LCD_Write_Data(value_l/100+0x30);
LCD_Write_Com(0xca);
LCD_Write_Data(((value_l/10)%10)+0x30);
LCD_Write_Com(0xcc);
LCD_Write_Data(value_l%10+0x30);
LCD_Write_Com(0x8d);
LCD_Write_Data(PWM/100+0x30);
LCD_Write_Com(0x8e);
LCD_Write_Data((PWM/10)%10+0x30);
LCD_Write_Com(0x8f);
LCD_Write_Data(PWM%10+0x30);
LCD_Write_Com(0x82);
LCD_Write_Data(temp_data2/100+0x30);
LCD_Write_Com(0x83);
LCD_Write_Data(((temp_data2/10)%10)+0x30);
LCD_Write_Com(0x85);
LCD_Write_Data((temp_data2%10)+0x30);
if(motor1_run==0)
{
EA=1;
ET0=1;
ET1=1;
TR0=1 ;
LCD_Write_String(9,0,start);
}
else
{
EA=0;
ET0=0;
ET1=0;
TR0=0 ;
IN1=0 ;
IN2=0 ;
LCD_Write_String(9,0,close);
}
if((motor2_l==0)&&(motor2_r==1)) //顺时针程序
{
for(num=0;num<10;num++)
{
cw_motor();
}
}
if((motor2_l==1)&&(motor2_r==0)) //逆时针程序
{
for(num=0;num<10;num++)
{
ccw_motor();
}
}
if(k1==0)
{
delayms(50);
if(k1==0)
{
value_h++;
if(value_h>600){value_h=0;}
}
}
if(k2==0)
{
delayms(50);
if(k2==0)
{
value_h--;
if(value_h<0){value_h=600;}
}
}
if(k3==0)
{
delayms(50);
if(k3==0)
{
value_l++;
if(value_l>500){value_l=0;}
}
}
if(k4==0)
{
delayms(50);
if(k4==0)
{
value_l--;
if(value_l<0){value_l=500;}
}
}
if(k5==0)
{
delayms(50);
if(k5==0)
{
PWM=PWM+10 ;
if(PWM>255){PWM=150;}
}
}
// if(k6==0)
// {
// delayms(20);
// if(k6==0)
// {
// PWM=PWM-10 ;
// if(PWM<150){PWM=150;}
// }
// }
}
}

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