用DS1302写LCD1602液晶时钟程序，光标不能显示，请各位哥哥姐姐

#include <reg52.h> //单片机的头文件
#include <intrins.h>
typedef unsigned char uint8; //宏定义整形变量
typedef unsigned int uint16;
sbit LDDUA=P2^6;
sbit LDWlE=P2^7;
sbit LCDRS=P3^5; //LCD1602液晶数据/命令选择
sbit LCDEN=P3^4; //LCD1602液晶使能信号脚
sbit Key1 =P3^6;
sbit Key2 =P3^7;
sbit Beep =P2^3; //定义蜂鸣器
sbit DS18B20_DQ=P2^2;
sbit DS1302_SCLK = P1^0; //DS1302时钟芯片的时钟脚
sbit DS1302_SDIO = P1^1; //DS1302时钟芯片的数据脚
sbit DS1302_RSET = P1^2; //DS1302实在芯片的复位脚
uint16 temp;
uint8 wendbai,wendshi,wendge,nuto;
uint8 count1,count1h,count2,count2h,count3,count3h,count4,count4h;count5;
uint8 count5h,count6,count6h,count,set1,set1h,set2,set2h,set3,set4,set5,set6;
/*=========================================================================
带参数的延时子函数
==========================================================================*/
void Delay_ms(uint16 mao)
{
uint16 a,b;
for(a=mao;a>0;a--)
for(b=120;b>0;b--);
}
/*=========================================================================
程序的主函数
==========================================================================*/
void Keypadtone(void)
{
uint8 num;
for(num=0; num<100; num++)
{
Beep= 0;
}
Delay_ms(100);
Beep=1;
}
/*=========================================================================
LCD1602液晶写指令子函数
==========================================================================*/
void LCD1602_WRITE_com(uint8 com)
{
LCDRS=0;
P0=com;
Delay_ms(5);
LCDEN=1;
Delay_ms(5);
LCDEN=0;
}
/*=========================================================================
LCD1602液晶写数据子函数
==========================================================================*/
void LCD1602_WRITE_data(uint8 date)
{
LCDRS=1;
P0=date;
Delay_ms(5);
LCDEN=1;
Delay_ms(5);
LCDEN=0;
}
/*=========================================================================
LCD1602液晶初始化子函数
==========================================================================*/
void LCD_1602_Inte(void)
{
LCD1602_WRITE_com(0x38);
Delay_ms(1);
LCD1602_WRITE_com(0x0c);
Delay_ms(1);
LCD1602_WRITE_com(0x06);
Delay_ms(1);
LCD1602_WRITE_com(0x01);
Delay_ms(1);
}
/*=========================================================================
LCD1602液晶实现写指令和写数据子函数
==========================================================================*/
void LCD1602_DS1302_WRITE_com_data(uint8 addr,uint8 date)
{
LCD1602_WRITE_com(addr);
Delay_ms(1);
LCD1602_WRITE_data(date);
}
/*=========================================================================
LCD1602液晶实现写指令和写数据子函数
==========================================================================*/
void DS1302_WRITE_byte(uint8 addr,uint8 date)
{
uint8 i = 0;
DS1302_RSET = 0;
DS1302_SCLK = 0;
DS1302_RSET = 1;
for(i=0; i<8; i++)
{
DS1302_SCLK = 0;
_nop_();
DS1302_SDIO =addr&0x01;
addr >>=1;
DS1302_SCLK=1;
_nop_();
}
for(i=0; i<8; i++)
{
DS1302_SCLK = 0;
_nop_();
DS1302_SDIO=date&0x01;
date >>=1;
DS1302_SCLK=1;
_nop_();
}
}
/*=========================================================================
LCD1602液晶实现写指令和写数据子函数
==========================================================================*/
uint8 Read_DS1302_byte(uint8 addr)
{
uint8 i = 0;
uint8 temp=0x00;
DS1302_RSET = 0;
DS1302_SDIO = 1;
DS1302_SCLK = 0;
DS1302_RSET = 1;
for(i=0; i<8; i++)
{
DS1302_SCLK = 0;
DS1302_SDIO=addr&0x01;
addr >>=1;
DS1302_SCLK = 1;
}
Delay_ms(1);
if(DS1302_SDIO)
temp |=0x80;
DS1302_SCLK = 0;
temp >>=1;
for(i=0; i<7; i++)
{
DS1302_SCLK = 0;
if(DS1302_SDIO)
temp |=0x80;
DS1302_SCLK = 1;
temp >>=1;
}
DS1302_SCLK = 1;
DS1302_RSET = 0;
DS1302_SDIO = 0;
return temp;
}
/*=========================================================================
DS1302时钟写寄存器初始化子函数
==========================================================================*/
void LCD_1602_DS1302_Inte(void)
{
// if((((set1=Read_DS1302_byte(0x81))>>7)&0x01)==1)
// {
DS1302_WRITE_byte(0x8e,0x00);
DS1302_WRITE_byte(0x80,0x00);
DS1302_WRITE_byte(0x82,0x47);
DS1302_WRITE_byte(0x84,0x04);
DS1302_WRITE_byte(0x86,0x18);
DS1302_WRITE_byte(0x88,0x12);
DS1302_WRITE_byte(0x8a,0x07);
DS1302_WRITE_byte(0x8c,0x11);
// DS1302_WRITE_byte(0x8e,0x80);
DS1302_WRITE_byte(0x8e,0x80);
// }
}
/*=========================================================================
DS1302时钟读寄存器秒，分，时，日，月，年，子函数
==========================================================================*/
void Display_DS1302_Book(void)
{
set1=Read_DS1302_byte(0x81);
count1=set1&0x0f;
count1h=set1>>4;

set2=Read_DS1302_byte(0x83);
count2=set2&0x0f;
count2h=set2>>4;

set3=Read_DS1302_byte(0x85);
count3=set3&0x0f;
count3h=set3>>4;

set4=Read_DS1302_byte(0x87);
count4=set4&0x0f;
count4h=set4>>4;
set5=Read_DS1302_byte(0x89);
count5=set5&0x0f;
count5h=set5>>4;

count=Read_DS1302_byte(0x8b);
count=count&0x0f;

set6=Read_DS1302_byte(0x8d);
count6=set6&0x0f;
count6h=set6>>4;
}
/*=========================================================================
DS1302时钟秒，分，时，日，月，年：写位置地址子函数
==========================================================================*/
void Display_DS1302_Look(void)
{
LCD1602_DS1302_WRITE_com_data(0x80+0x40+7,0x30+count1);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+6,0x30+count1h);

LCD1602_DS1302_WRITE_com_data(0x80+0x40+5,':');

LCD1602_DS1302_WRITE_com_data(0x80+0x40+4,0x30+count2);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+3,0x30+count2h);

LCD1602_DS1302_WRITE_com_data(0x80+0x40+2,':');

LCD1602_DS1302_WRITE_com_data(0x80+0x40+1,0x30+count3);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+0,0x30+count3h);

LCD1602_DS1302_WRITE_com_data(0x80+3,0x30+count6);
LCD1602_DS1302_WRITE_com_data(0x80+2,0x30+count6h);

LCD1602_DS1302_WRITE_com_data(0x80+4,'-');

LCD1602_DS1302_WRITE_com_data(0x80+6,0x30+count5);
LCD1602_DS1302_WRITE_com_data(0x80+5,0x30+count5h);

LCD1602_DS1302_WRITE_com_data(0x80+7,'-');

LCD1602_DS1302_WRITE_com_data(0x80+9,0x30+count4);
LCD1602_DS1302_WRITE_com_data(0x80+8,0x30+count4h);

LCD1602_DS1302_WRITE_com_data(0x80+11,'W');
LCD1602_DS1302_WRITE_com_data(0x80+12,'e');
LCD1602_DS1302_WRITE_com_data(0x80+13,'e');
LCD1602_DS1302_WRITE_com_data(0x80+14,'k');
LCD1602_DS1302_WRITE_com_data(0x80+15,0x30+count);
}
/*=========================================================================
DS18B20精确延时微妙子函数
==========================================================================*/
void Delay_us(uint8 m)
{
while(--m);
}
/*=========================================================================
DS18B20复位操作时序 子函数
==========================================================================*/
void LCD1602_DS18B20_Inte(void)
{
DS18B20_DQ=1;
_nop_();
DS18B20_DQ=0;
Delay_us(250);
DS18B20_DQ=1;
Delay_us(200);
}
/*=========================================================================
DS18B20温度写操作子函数
==========================================================================*/
void LCD1602_WRITE_DS18B20(uint8 Byte)
{
uint8 i;
for(i=0; i<8; i++)
{
DS18B20_DQ=1;
_nop_();
DS18B20_DQ=0;
DS18B20_DQ=Byte&0x01;
Delay_us(1);
Byte >>=1;
Delay_us(20);
DS18B20_DQ=1;
Delay_us(1);
}
}
/*=========================================================================
DS18B20温度读操作子函数
==========================================================================*/
uint8 Read_LCD1602_DS18B20()
{
uint8 Byte;
uint8 i;
for(i=0; i<8; i++)
{
DS18B20_DQ=1;
_nop_();
DS18B20_DQ=0;
_nop_();
_nop_();
DS18B20_DQ=1;
Byte >>=1;
Delay_us(1);
if(DS18B20_DQ)
{
Byte |=0x80;
}
Delay_us(20);
}
return Byte;
}
/*=========================================================================
DS18B20启动温度转换子函数
==========================================================================*/
void LCD1602_Convert_DS18B20(void)
{
LCD1602_DS18B20_Inte();
LCD1602_WRITE_DS18B20(0xcc);
LCD1602_WRITE_DS18B20(0x44);
}

/*=========================================================================
DS18B20转换温度送到LCD1602液晶显示子函数
==========================================================================*/
void LCD1602_Display_DS18B20(uint8 temp)
{
uint8 wendbai,wendshi,wendge;
LCD1602_DS1302_WRITE_com_data(0x80+0x40+10,wendbai=temp/100+0x30);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+11,wendshi=temp%100/10+0x30);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+12,'.');
LCD1602_DS1302_WRITE_com_data(0x80+0x40+13,wendge=temp%10+0x30);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+14,0xdf);
LCD1602_DS1302_WRITE_com_data(0x80+0x40+15,0x43);
}
/*=========================================================================
DS18B20读取温度子函数
==========================================================================*/
uint16 Get_DS18B20_Temp(void)
{
float address;
uint8 DS18B20_Book;
uint8 DS18B20_Look;
LCD1602_DS18B20_Inte();
LCD1602_WRITE_DS18B20(0xcc);
LCD1602_WRITE_DS18B20(0xBE);
DS18B20_Book=Read_LCD1602_DS18B20();
DS18B20_Look=Read_LCD1602_DS18B20();
temp=DS18B20_Look;
temp <<=8;
temp=temp|DS18B20_Book;
address=temp*0.0625;
temp=address*10+0.5;
return temp;
}
/*=========================================================================
按键扫描子函数
==========================================================================*/
void Jbfkeyjudge(void)
{
if(Key1==0)
{
Delay_ms(5);
if(Key1==0)
{
nuto++;
while(!Key1);
Keypadtone();
if(nuto==1)
{

// LCD1602_DS1302_WRITE_com_data(0x80+3,count6);
LCD1602_WRITE_com(0x80+0x40+4);
//Delay_ms(5);
LCD1602_WRITE_com(0x0f);//打开光标闪烁

}
if(nuto==2)
{
LCD1602_WRITE_com(0x80+0x40+6);
// LCD1602_DS1302_WRITE_com_data(0x80+6,count5);
}
if(nuto==3)
{
LCD1602_WRITE_com(0x80+0X40+9);
// LCD1602_DS1302_WRITE_com_data(0x80+4040+9,count4);
}
if(nuto==4)
{
nuto=0;
LCD1602_WRITE_com(0x80+0X40+15);
//DS1302_WRITE_byte(0x8e,0x80);
}
}
}
if(nuto!=0)
{
if(Key2==0)
{
Delay_ms(5);
if(Key2==0)
{
while(!Key2);
Keypadtone();
if(nuto==1)
{
count6++;
if(set6==99)
{
set6=0;
set6=Read_DS1302_byte(0x8d);
count6=set6&0x0f;
count6h=set6>>4;
}
}
}
}
}
}
/*=========================================================================
程序的主函数
==========================================================================*/
void main(void)
{
LDDUA=0;
LDWlE=0;
Delay_ms(20);
LCD_1602_Inte();
Delay_ms(2);
LCD1602_DS1302_WRITE_com_data(0x80+0,'2');
LCD1602_DS1302_WRITE_com_data(0x80+1,'0');
Delay_ms(2);
LCD_1602_DS1302_Inte();
Delay_ms(2);
while(1)
{
Jbfkeyjudge();
//Get_DS18B20_Temp();
Display_DS1302_Book();
Display_DS1302_Look();
LCD1602_Convert_DS18B20();
LCD1602_Display_DS18B20(Get_DS18B20_Temp());
}
}
光标打开调试怎么光标不闪烁的啊，也没有看到光标小弟也是刚学单片机的新手请各位指点一下先谢谢了！