单片机oled DS1302时钟显示只能显示TTTT等乱码怎么解决？ -

#include "stc15f2k60s2.h"
#include "intrins.h"
#include "codetab.h"
#include "LQ12864.h"
#include "ds1302.h"
#include "ds18b20.h"
unsigned char code Address[7]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c}; //秒分时日月周年最低位读写位读+1；写不加
unsigned char code Table[12]="0123456789:-";
unsigned char code Week[7][3]={"MON","TUE","WED","THU","FRI","SAT","SUN"};
unsigned char database[9];//时钟寄存器(时分秒)
unsigned char Date[11];//日期寄存器（年月日）
unsigned char Weekend[4];//星期寄存器
unsigned char Temperature[7];//温度寄存器
unsigned char l[7]={00,39,13,23,1,3,19};//秒分时日月周年08-05-15 12:00:00
unsigned int temper;
unsigned char Bits;//修改时间标志位
unsigned char Bist[2];
void SetRTC() /*设置时间*/
{
unsigned char i,tmp,*p;
for(i=0;i<7;i++)
{
tmp=l[i]/10;
l[i]=l[i]%10;
l[i]=l[i]+tmp*16;
}
WriteData(0x8e,0x00);
p=Address;
for(i=0;i<7;i++)
{
WriteData(*p,l[i]);
p++;
}
WriteData(0x8e,0x80);
}
void ReadRTC() /*读时钟*/
{
unsigned char i,*p;
p=Address;
for(i=0;i<7;i++)
{
l[i]=ReadData(*p+1);
p++;
}
}
void DisplayRTC()
{
database[0]=Table[l[2]/16];
database[1]=Table[l[2]&0x0f];
database[2]=Table[10];
database[3]=Table[l[1]/16];
database[4]=Table[l[1]&0x0f];
database[5]=Table[10];
database[6]=Table[l[0]/16];
database[7]=Table[l[0]&0x0f];
Date[0]=Table[2];
Date[1]=Table[0];
Date[2]=Table[l[6]/16];
Date[3]=Table[l[6]&0x0f];
Date[4]=Table[11];
Date[5]=Table[l[4]/16];
Date[6]=Table[l[4]&0x0f];
Date[7]=Table[11];
Date[8]=Table[l[3]/16];
Date[9]=Table[l[3]&0x0f];
Weekend[0]=Week[l[5]-1][0];
Weekend[1]=Week[l[5]-1][1];
Weekend[2]=Week[l[5]-1][2];
Temperature[0]=Table[temper/100];
Temperature[1]=Table[temper%100/10];
Temperature[2]='.';
Temperature[3]=Table[temper%10];
Temperature[4]='^';
Temperature[5]='C';
Bist[0]=Table[Bits];
OLED_P8x16Str(32,2,database);
OLED_P8x16Str(16,4,Date);
OLED_P8x16Str(8,6,Weekend);
OLED_P8x16Str(64,6,Temperature);
OLED_P6x8Str(112,4,Bist);
}
void Tempchange()
{
DS18B20_Reset(); //设备复位
DS18B20_WriteByte(0xCC); //跳过ROM命令
DS18B20_WriteByte(0x44); //开始转换命令
// while (!DQ); //等待转换完成
}
unsigned int Tempread()
{
unsigned char TPH,TPL; //存放温度值的高字节
unsigned int temp;
float tt;
DS18B20_Reset(); //设备复位
DS18B20_WriteByte(0xCC); //跳过ROM命令
DS18B20_WriteByte(0xBE); //读暂存存储器命令
TPL = DS18B20_ReadByte(); //读温度低字节
TPH = DS18B20_ReadByte(); //读温度高字节
temp=TPH;
temp<<=8;
temp=temp|TPL;
tt=temp*0.0625;
temp=tt*10+0.5;
return(temp);
}
void main()
{
unsigned char i;
database[8]='\0';
Date[10]='\0';
Weekend[3]='\0';
Temperature[6]='\0';
Bist[1]='\0';
OLED_Init();
//SetRTC();
for(i=0;i<8;i++)
{
OLED_P16x16Ch(i*16,0,i);
}
while(1)
{
unsigned char k;
Tempchange();
for(k=0;k<25;k++)
{
ReadRTC();
DisplayRTC();
}
temper=Tempread();
}
}

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