关于LCD1602计数的一个程序，求会的人帮我看看

#include <iom16v.h>

#include <macros.h>

#pragma interrupt_handler gs:9

#pragma interrupt_handler sd:10

#define LCM_RS_1 PORTB|=(1<<7)

#define LCM_RS_0 PORTB&=(~(1<<7))

#define LCM_RW_1 PORTB|=(1<<6)

#define LCM_RW_0 PORTB&=(~(1<<6))

#define LCM_E_1 PORTB|=(1<<5)

#define LCM_E_0 PORTB&=(~(1<<5))

#define uint unsigned int

#define uchar unsigned char

uint num=5;/*用以计个数*/

const unsigned char LCM_Dis_String1[]="number:";

const unsigned char LCM_Dis_String2[]="speed:";

const unsigned char table[]="0123456789";



void delay_1(uint ms)

{

uint i,j;

for(i=0;i<ms;i++)

for(j=0;j<1141;j++);

}



void delay_2(uint ns)

{ 

uint k,h;

for(k=0;k<ns;k++)

for(h=0;h<8;h++);

} 



unsigned char LCM_Re_BAC()

{

unsigned char status;

DDRA=0X00;

LCM_RS_0;

LCM_RW_1;

LCM_E_1;

delay_2(1000);

status=PINA;

LCM_E_0;

return status;

}



void LCM_Wr_CMD(uchar cmd_dat)

{

while(LCM_Re_BAC()>=0X80);

DDRA=0XFF;

LCM_RS_0;

LCM_RW_0;

LCM_E_1;

PORTA=cmd_dat;

delay_2(1000);

LCM_E_0;

}



void LCM_Wr_DAT(uchar dis_dat)

{

while(LCM_Re_BAC()>=0X80);

DDRA=0XFF;

LCM_RS_1;

LCM_RW_0;

LCM_E_1;

PORTA=dis_dat;

delay_2(1000);

LCM_E_0;

delay_2(400);

}



void LCM_1602_Init(void)

{

LCM_Wr_CMD(0X38);

delay_1(5);

LCM_Wr_CMD(0X0c);

delay_1(5);

LCM_Wr_CMD(0X06);

delay_1(5);

LCM_Wr_CMD(0X01);

delay_1(5);

}



void gs(void)  /*定时器1用以计算脉冲个数*/

{ 

uint a=0,b=0,c=0,d=0,e=0,f=0,g=0;

TCCR1B=0X00;

SREG|=BIT(7);

TIMSK&=0XFB;

if (num<999)

{ 

LCM_Wr_CMD(0X80+0X0D);

LCM_Wr_DAT('g');

a=num/100;

d=num%100;

b=d/10;

c=d%10;

LCM_Wr_CMD(0X80+0X0A);

delay_2(10);

LCM_Wr_DAT(table[a]);

delay_2(10);

LCM_Wr_DAT(table[b]);

delay_2(10);

LCM_Wr_DAT(table[c]);

delay_2(10);

} 

else

{ 

LCM_Wr_CMD(0X80+0X0D);

LCM_Wr_DAT('k');

LCM_Wr_DAT('g');

a=num/100000;

d=num%100000;

b=d/10000;

e=d%10000;

c=e/1000;

f=e%1000;

g=f/100;

LCM_Wr_CMD(0X80+0X0A);

if((!a)&(!b))

{

LCM_Wr_DAT(table[c]);

delay_2(10);

LCM_Wr_DAT('.');

delay_2(10);

LCM_Wr_DAT(table[g]);

delay_2(10);

}

else

{ 

LCM_Wr_DAT(table[c]);

LCM_Wr_DAT('.');

LCM_Wr_DAT(table[g]); 

} 

}

TCNT1H=0XF0;

TCNT1L=0XBE;

TIMSK|=BIT(2);

TCCR1B=0X04; 

} 



void sd(void)     /*定时器0用以就算传输速度，假定定时是1s*/

{

uint a=num;

TCCR0=0;

TIMSK=0XFE;

LCM_Wr_CMD(0XC0+0X08);

LCM_Wr_DAT(table[a]);

TCNT0=0X01;

TIMSK|=BIT(0);

TCCR0=0X05;

}



void main(void)

{

unsigned char temp1,temp2;

uchar x1=0;

DDRB=0XFF;

DDRA=0xff;

DDRD&=0XF8;

LCM_1602_Init();

temp1=0;

temp2=0;

LCM_Wr_CMD(0X80);

while(LCM_Dis_String1[temp1]!='\0') 

{

LCM_Wr_DAT(LCM_Dis_String1[temp1++]);

delay_2(100);

}

LCM_Wr_CMD(0xc0);

while(LCM_Dis_String2[temp2]!='\0') 

{

LCM_Wr_DAT(LCM_Dis_String2[temp2++]);

delay_2(100);

}

TCCR0=0X05;

TCNT0=0X01;

TCCR1B=0X04;

TCNT1H=0XF0;

TCNT1L=0XBE;

TIMSK|=BIT(2);

TIMSK|=BIT(0);

SREG|=BIT(7);

LCM_Wr_CMD(0XC0+0X0B); 

LCM_Wr_DAT('g'); 

LCM_Wr_DAT('/');

LCM_Wr_DAT('s');



while(1)   /*读脉冲*/

{

x1=PIND&0X01;

if(x1=0) num++;

}

 

}

 

 

新手，所以上述这个程序花了两天多时间，还是不行，感觉一直在执行中断，不知道该怎么改，真心菜啊。求大神给支个招啊。