求助，根据ds1302得出的时间进行太阳追踪单片机程序问题 -

#include <REG52.h>
#include <intrins.h>
#include <math.h>
#define uchar unsigned char
#define uint unsigned int
#define PI 3.14159 //圆周率
#define LAT 30.57 //纬度
sbit LCD_SCLK = P0^0;
sbit LCD_STD = P0^1;
sbit LCD_CS = P0^2;
sbit DS1302_CE = P3^1;
sbit DS1302_CK = P3^4;
sbit DS1302_IO = P3^5;
extern void _nop_(void);
uchar time[8] ;
uchar set_buf[12] = {0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30};
uchar angle[3];
uchar time_500ms;
uchar set_num = 0;
uchar key_num;
uchar count1,count2;
bit flag_js;
/* 发送一个字节到DS1302通信总线上 */
void DS1302ByteWrite(uchar dat)
{
uchar mask;
for (mask=0x01; mask!=0; mask<<=1) //低位在前，逐位移出
{
if ((mask&dat) != 0) //首先输出该位数据
DS1302_IO = 1;
else
DS1302_IO = 0;
DS1302_CK = 1; //然后拉高时钟
DS1302_CK = 0; //再拉低时钟，完成一个位的操作
}
DS1302_IO = 1; //最后确保释放IO引脚
}
/* 由DS1302通信总线上读取一个字节 */
unsigned char DS1302ByteRead()
{
uchar mask;
uchar dat = 0;
for (mask=0x01; mask!=0; mask<<=1) //低位在前，逐位读取
{
if (DS1302_IO != 0) //首先读取此时的IO引脚，并设置dat中的对应位
{
dat |= mask;
}
DS1302_CK = 1; //然后拉高时钟
DS1302_CK = 0; //再拉低时钟，完成一个位的操作
}
return dat; //最后返回读到的字节数据
}
/* 用单次写操作向某一寄存器写入一个字节，reg-寄存器地址，dat-待写入字节 */
void DS1302SingleWrite(uchar reg, uchar dat)
{
DS1302_CE = 1; //使能片选信号
DS1302ByteWrite((reg<<1)|0x80); //发送写寄存器指令
DS1302ByteWrite(dat); //写入字节数据
DS1302_CE = 0; //除能片选信号
}
/* 用单次读操作从某一寄存器读取一个字节，reg-寄存器地址，返回值-读到的字节 */
unsigned char DS1302SingleRead(uchar reg)
{
uchar dat;
DS1302_CE = 1; //使能片选信号
DS1302ByteWrite((reg<<1)|0x81); //发送读寄存器指令
dat = DS1302ByteRead(); //读取字节数据
DS1302_CE = 0; //除能片选信号
return dat;
}
/* 用突发模式连续写入8个寄存器数据，dat-待写入数据指针 */
void DS1302BurstWrite(unsigned char *dat)
{
uchar i;
DS1302_CE = 1;
DS1302ByteWrite(0xBE); //发送突发写寄存器指令
for (i=0; i<8; i++) //连续写入8字节数据
{
DS1302ByteWrite(dat[i]);
}
DS1302_CE = 0;
}
/* 用突发模式连续读取8个寄存器的数据，dat-读取数据的接收指针 */
void DS1302BurstRead(uchar *dat)
{
uchar i;
DS1302_CE = 1;
DS1302ByteWrite(0xBF); //发送突发读寄存器指令
for (i=0; i<8; i++) //连续读取8个字节
{
dat[i] = DS1302ByteRead();
}
DS1302_CE = 0;
}
/* DS1302初始化，如发生掉电则重新设置初始时间 */
void InitDS1302()
{
uchar dat;
uchar code InitTime[] = { //2020年4月1日星期二 12:30:00
0x00,0x30,0x12, 0x01, 0x04, 0x02, 0x20
};
DS1302_CE = 0; //初始化DS1302通信引脚
DS1302_CK = 0;
dat = DS1302SingleRead(0); //读取秒寄存器
if ((dat & 0x80) != 0) //由秒寄存器最高位CH的值判断DS1302是否已停止
{
DS1302SingleWrite(7, 0x00); //撤销写保护以允许写入数据
DS1302BurstWrite(InitTime); //设置DS1302为默认的初始时间
}
}
//***********************************************************
//函数：void key（void）
//功能：键盘扫描、识别以及处理
//***********************************************************
void key(void)
{
uchar tmp,temp;
tmp=P1|0x07;
temp = tmp;
temp &= 0x07;
if(temp != key_num)
{
key_num = temp;
switch(key_num)
{
case 0x06: if(flag_js == 0)//设定/退出
{
flag_js = 1;
count1 = 1;
}
else if(flag_js == 1)
{
time[6] = (set_buf[11]<<4)+(set_buf[10]&0x0f);//年
time[4] = (set_buf[9]<<4)+(set_buf[8]&0x0f);//月
time[3] = (set_buf[7]<<4)+(set_buf[6]&0x0f);//日
time[2] = (set_buf[5]<<4)+(set_buf[4]&0x0f);//时
time[1] = (set_buf[3]<<4)+(set_buf[2]&0x0f);//分
time[0] = (set_buf[1]<<4)+(set_buf[0]&0x0f); //秒
DS1302BurstWrite(time);
flag_js = 0;
count2 = 1;
}
break;
case 0x05: if(flag_js == 1)//移位
{
set_num ++;
if(set_num > 11)
set_num = 0;
}
break;
case 0x03: if(flag_js == 1)//数字加一
{
switch(set_num)
{
case 0: if(set_buf[0] > 0x38) set_buf[0] = 0x30; //秒的个位
else set_buf[0]++; break;
case 1: if(set_buf[1] > 0x34) set_buf[1] = 0x30; //秒的十位
else set_buf[1]++; break;
case 2: if(set_buf[2] > 0x38) set_buf[2] = 0x30;
else set_buf[2]++; break;
case 3: if(set_buf[3] > 0x34) set_buf[3] = 0x30; //分
else set_buf[3]++; break;
case 4: if(set_buf[4] > 0x38) set_buf[4] = 0x30;
else set_buf[4]++; break;
case 5: if(set_buf[5] > 0x31) set_buf[5] = 0x30; //时
else set_buf[5]++; break;
case 6: if(set_buf[6] > 0x38) set_buf[5] = 0x30;
else set_buf[6]++; break;
case 7: if(set_buf[7] > 0x32) set_buf[5] = 0x30; //日
else set_buf[7]++; break;
case 8: if(set_buf[8] > 0x38) set_buf[5] = 0x30;
else set_buf[8]++; break;
case 9: if(set_buf[9] > 0x31) set_buf[5] = 0x30; //月
else set_buf[9]++; break;
case 10: if(set_buf[10] > 0x38) set_buf[5] = 0x30;
else set_buf[10]++; break;
case 11: if(set_buf[11] > 0x38) set_buf[5] = 0x30; //年
else set_buf[11]++; break;
default: break;
}
}
break;
default: break;
}
}
}

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/*计算太阳角度*/
void anglecalculate()
{
int leap;
uint year,mon,day;
uint hour,min,sec;
uint DayAdd;
uchar DecAngle,HourAngle,DecAngle1;
uchar EleAngle,AziAngle,AziAngle1;
year=(time[6]>>4)*10+(time[6]&0x0f)+2000;
mon=(time[4]>>4)*10+(time[4]&0x0f);
day=(time[3]>>4)*10+(time[3]&0x0f);
hour=(time[2]>>4)*10+(time[2]&0x0f);
min=(time[1]>>4)*10+(time[1]&0x0f);
sec=(time[0]>>4)*10+(time[0]&0x0f);
leap=(year%4==0&&year%100!=0)||(year%400==0);闰年计算
switch(mon)
{
case 1:
DayAdd=(day);break;
case 2:
DayAdd=31+day;break;
case 3:
DayAdd=31+28+day;break;
case 4:
DayAdd=31+28+31+day;break;
case 5:
DayAdd=31+28+31+30+day;break;
case 6:
DayAdd=31+28+31+30+31+day;break;
case 7:
DayAdd=31+28+31+30+31+30+day;break;
case 8:
DayAdd=31+28+31+30+31+30+31+day;break;
case 9:
DayAdd=31+28+31+30+31+30+31+31+day;break;
case 10:
DayAdd=31+28+31+30+31+30+31+31+30+day;break;
case 11:
DayAdd=31+28+31+30+31+30+31+31+30+31+day;break;
case 12:
DayAdd=31+28+31+30+31+30+31+31+30+31+30+day;break;
default:
break; /*cout<<"月份输入错误！*/
}
if(leap&&(mon>=3))
DayAdd=DayAdd+1; //当前天数
DecAngle=(23.45*sin(2*PI*(284+DayAdd)/365))*PI/180;//计算赤纬角
DecAngle1=(23.45*sin(2*PI*(284+DayAdd+1)/365))*PI/180;//计算第二天赤纬角
HourAngle=(12-(hour)-(min)/60.0-(sec)/3600.0)*PI/12;//计算时角
EleAngle=asin(sin(LAT)*sin(DecAngle)+cos(LAT )*cos(DecAngle)*cos(HourAngle));//计算高度角
AziAngle=acos((sin(EleAngle)*sin(LAT )-sin(DecAngle))/(cos(EleAngle)*cos(LAT )));//计算方位角
AziAngle1=acos((0-sin(DecAngle1))/cos(LAT ));//计算第二天的方位角
angle[0]=EleAngle;
angle[1]=AziAngle;
angle[2]=AziAngle1;
}/*视日轨迹追踪*/
void trackgo()
{
uchar h,f;
uchar y,z;
uchar p,q;
uchar c=0,d=0;
h=angle[0];//得到高度角
f=angle[1];//得到方位角
y=(f-c)/5;//计算方位电机需旋转圈数
z=(h-d)/1;//计算高度电机需旋转圈数
c=f;
d=h;
if(y!=0)
{
for(p=0;p<y;p++)
{
GoA1();
}
}
else
{
if(z!=0)
{
for(q=0;q<z;q++)
{
GoB1();
}
}
}
P2=0x00;
}
//函数：void main（）功能：主函数，初始化
void main()
{
uchar psec=0xaa;
uchar time_30s=0;
uint getdata;
float temp;
P2=0x00;
time_500ms = 0;
flag_js = 0;
count1 = 1;
count2 = 1;
InitDS1302();
timer_init();
Out_Init();
LCD_init();
delay_ms(50);
E_W_ANGLE=read2543(0x00);
S_N_ANGLE=read2543(0x10);
LIGHT_DETECTION=read2543(0x20);
while(1)
{
if(time_500ms == 50)
{
time_500ms=0;
DS1302BurstRead(time);//获得时间
key();
anglecalculate();
if(psec!=time[0])
{
disp(flag_js); //用液晶显示时间
psec=time[0];
}
time_30s++;
if(time_30s==6)//3s判定一次方位
{
time_30s=0;
getdata=read2543(0x20);
getdata=read2543(0x20);
getdata=read2543(0x20);
temp=(float)getdata/4095*500;
LIGHT_DETECTION=temp;//当前光照强度
temp=0;
if(LIGHT_DETECTION<300&&LIGHT_DETECTION>100)//光强不足启用视日轨迹追踪
{
trackgo();
}
}
startgo();
}
}
}

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