求解析这段C51代码写的关于TCS230颜色传感器识别颜色并LCD显示的代码、？
#include<reg51.h>#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned int
uchar code table[]="RGB IS:";
uchar code tablenum[]="0123456789";
ulong frequency;
int tempr[3],a;
int tempg[3];
int tempb[3];
sbit lcden=P3^4;
sbit rs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
sbit ckey=P3^6;
sbit wkey=P3^7;
ulong fr,fg,fb,flr,flb,flg,r,g,b;//fr,fg,fb 存放光源频率和转换后的RGB
int temp[5],m,h;
uchar flag=0,i,sflag=0,n;//flag为是否进入中断判断标志。
void initport()
{
SM0=0;
SM1=1;
TR1=1;
TMOD=0x20;
TH1=0xFD;
TL1=0xFD;
}
void inittimer() //T1定时，T0计数初始化
{
EA=1,ET0=1;ET1=1;//开总中断，开定时器0中断
TMOD=0x51;//to方式1计数，T1方式1定时
TH0=5536/256;
TL0=5536%256;// 定时60ms，测量频率17ＨＺ-50ＫＨＺ
TR0=0;
TR1=0;
P3=0xff;
}
ulong cblyz(ulong dataa)//求比例因子
{
ulong blyz;
blyz=25500/dataa;
return blyz;
}
void delay(int k)
{
int j;
for(j=110;j>0;j--)
for(k;k>0;k--);
}
void whitetest()
{
while(flag!=3)
{
switch(flag)
{
case 0:
{
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
P1=0x30;
delay(50);
TR0=1;TR1=1;
while(!=sflag);
sflag=0;
if(frequency==0)
{ r=0;}
else
{ r=cblyz(frequency);}
frequency=0;
} break;
case 1:
{
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
P1=0x33;
delay(50);
TR0=1;TR1=1;
while(!=sflag);
sflag=0;
if(frequency==0)
{ g=0;}
else
{ g=cblyz(frequency);}
frequency=0;
} break;
case 2:
{
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
P1=0x32;
delay(50);
TR0=1;TR1=1;
while(!=sflag);
sflag=0;
if(frequency==0)
{ b=0;}
else
{ b=cblyz(frequency);}
frequency=0;
} break;
}
}
flag=0;
}
void colortest()
{
while(flag!=3)
{
switch(flag)
{
case 0:
{
P1=0x30;
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
delay(50);
TR0=1;
TR1=1;
while(!sflag);
sflag=0;
frequency=frequency*r;
fr=frequency/100;
if(fr>255)
fr=255;
frequency=0;
} break;
case 1:
{
P1=0x33;
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
delay(50);
TR0=1;
TR1=1;
while(!sflag);
sflag=0;
frequency=frequency*g;
fg=frequency/100;
if(fg>255)
fg=255;
frequency=0;
} break;
case 2:
{
P1=0x32;
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
delay(50);
TR0=1;
TR1=1;
while(!sflag);
sflag=0;
frequency=frequency*b;
fb=frequency/100;
if(fb>255)
fb=255;
frequency=0;
} break;
}
}
flag=0;
}
void write_com(uchar com)
{
rs=0;
P0=com;
delay(1);
lcden=1;
delay(5);
lcden=0;
delay(1);
rs=1;
}
void write_date(uchar date)
{
rs=1;
P0=date;
delay(1);
lcden=1;
delay(5);
lcden=0;
delay(1);
rs=0;
}
void lcdinit()
{
TR0=0;TR1=0;
lcden=0;
write_com(0x38);
write_com(0x0e);
write_com(0x06);
write_com(0x01);
write_com(0x80);
}
void drg_r(ulong value)
{
tempr[0]=value/100;
tempr[1]=(value-tempr[0]*100)/10;
tempr[2]=value%10;
}
void drg_g(ulong value)
{
tempg[0]=value/100;
tempg[1]=(value-tempg[0]*100)/10;
tempg[2]=value%10;
}
void drg_b(ulong value)
{
tempb[0]=value/100;
tempb[1]=(value-tempb[0]*100)/10;
tempb[2]=value%10;
}
void lcdxianshi()
{
lcdinit();
drg_r(fr);
drg_g(fg);
drg_b(fb);
for(i=0;i<8;i++)
{
write_date(table[i]);
delay(5);
}
write_date('R');
write_date(':');
for(m=0;m<3;m++)
{
write_date(tablenum[tempr[m]]);
delay(5);
}
write_com(0xc0);
write_date('G');
write_date(':');
for(m=0;m<3;m++)
{
write_date(tablenum[tempg[m]]);
delay(5);
}
write_com(0xC8);
write_date('B');
write_date(':');
for(m=0;m<3;m++)
{
write_date(tablenum[tempb[m]]);
delay(5);
}
write_com(0x0c);
}
void serialport()
{
SBUF=fr;
while(!TI);
TI=0;
SBUF=fg;
while(!TI);
TI=0;
SBUF=fb;
while(!TI);
TI=0;
}
void main()
{
dula=0;
wela=0;
WHITE:inittimer();
whitetest();
while(1)
{
inittimer();
colortest();
EA=0;
P1=0x00;
lcdxianshi();
initport();
serialport();
P3=0xff;
while(P3==0xff);
if(wkey==0)
{
goto WHITE;
}
}
}
void timer0() interrupt 1
{
TR0=0;
TR1=0;
frequency=TH1*256+TL1+n*65536;
TH0=5536/256;
TL0=5536%256;
TH1=0;
TL1=0;
flag++;
sflag=1;
n=0;
}
void counter1()interrupt 3
{
TR1=0;
TH1=0;
TL1=0;
n++;
TR1=1;
}
