串口发送16进制数据 单片机进行处理后 lcd显示角度

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
unsigned char a,b0,b1,c1[3],c2[3],c3[3],c4[3],rec[15],i,*q,*q1,*q2,*q3,*q4,count=0;
char d1[6],d2[6],d3[6],d4[6],d5[6];
sbit rs=P3^5;
sbit lcden=P3^4;
sbit dula=P2^6;
sbit wela=P2^7;
uchar table1[]={"Roll :"};
uchar table2[]={"Pitch:"};
void delay(uint x)
{
uint a,b;
for(a=x;a>0;a--)
for(b=10;b>0;b--); 
}


void write_com(uchar com)
{
P0=com;
rs=0;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;

}

void write_date(uchar date)
{
P0=date;
rs=1;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;

}

void init()
{
dula=0;
wela=0;
write_com(0x38);
delay(20);
write_com(0x38);
delay(20);
write_com(0x38);
delay(20);
write_com(0x0c);
delay(20);
write_com(0x06);
delay(20);
write_com(0x01);
delay(20);
}