giúp e về đề tài điều khiển thiết bị điện qua sms dụng mudle sim 900

[cubom_sg]

#include <16F877A.h>
#include <def_877a.h>
#include <string.h>
#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT, NOLVP, NOCPD, NOWRT
#use delay(clock=20000000)
#use rs232(baud=4800,parity=N,xmit=PIN_C6,rcv=PIN_C7,bi ts=8)
#include <lcd_4bit.c> // file giao tiep LCD


#define tb1 RD0
#define tb2 RD1
#define tb3 RD2
#define tb4 RD3

#define PHONE_NUM " "

unsigned char str[60],str1[20],str2[20],str3[13];
char ch; int is1=0,is2=0,is3=0, is4=0;
int kt,is,isti,ngat,idex,idex1,index,index1; int ist=0,ist2=0;
//=============================================
#INT_RDA
Receive_isr()
{
ch = getc();

if(isti==1) //cho phep nhan khi da khoi tao thanh cong
{
if(ch==10 && index ==0) is=1; //bat dau cho phep nhan chuoi
if(ch==10 && index>0) {idex=index; ngat=1; isti = 2; } //KHI KET THUC MOT CHUOI
if(ch!=10 && ch!=13 && is == 1) { str[index] = ch; index++; }
}
if(isti==2) //cho phep nhan khi da khoi tao thanh cong
{
if(ch==10 && index1 ==0) is=1; //bat dau cho phep nhan chuoi
if(ch==10 && index1>0) {idex1=index1; ngat=2; isti = 0; } //KHI KET THUC MOT CHUOI
if(ch!=10 && ch!=13 && is == 1) { str1[index1] = ch; index1++; }
}
}

//------------
void send_sms()
{
putc('A'); putc('T'); putc('+'); putc('C'); putc('M'); putc('G'); putc('S'); putc('='); putc(34);
printf(PHONE_NUM); putc(34); putc(13); delay_ms(200);
putc(str3[0]); putc(str3[1]); putc(str3[2]); putc(str3[3]); putc(str3[4]); putc(str3[5]);
putc(str3[6]); putc(str3[7]); putc(str3[8]); putc(str3[9]); putc(str3[10]); putc(str3[11]); putc(26); putc(13); delay_ms(3000);
}
//----------------

int kiemtra()
{
int j,k;
for(j=0;j<idex;j++)
{
if(str2[0]==str[j])
{
for(k=0;k<Strlen(str2);k++)
{
if(str2[k] != str[j+k]) break;
}
if(k==strlen(str2)) { idex=0; index = 0; return 1; }
}
}
idex=0; index = 0; return 0;
}
//-------------------
int kiemtra1()
{
int j,k;
for(j=0;j<idex1;j++)
{
if(str2[0]==str1[j])
{
for(k=0;k<strlen(str2);k++)
{
if(str2[k] != str1[j+k]) break;
}
if(k==strlen(str2)) { return 1; }
}
}
return 0;
}


ccs cua e bi thieu file thu vien "lcd_lib_4bit1.c"
tren dien dan cung co cac file tuong tu nhu "lcd" , "lcd_4bit.c"
e da copy va past vao nhung van khong dich sang hex de nap chip duoc.
hinh nhu cac file trên thieu ham " LCD_putchar" va "LCD_putcmd".
bac nao co thu vien "lcd_lib_4bit1.c" cho e xin voi.
em chan thanh cam on>>>>>>>>>>
giai thich jum e doan chuong trinh tren.
mail: cubom_sg@yahoo.com.vn