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| #include<reg51.h>
#include<string.h>
#include "lcd.h"
sbit rs=P3^7;
sbit rw=P3^6;
sbit en=P3^5;
void lcdcmd(unsigned char value);
void lcddata(unsigned char value);
void lcdstr(unsigned char *);
void delay_lcd();
void delay_100milli(unsigned char d);
void init();
void serialinit();
void serial_init();
void Tx_Data(unsigned char);
unsigned char Rx_Data(void);
void SCI_String_Tx(unsigned char *string);
void Enter_cmd(void);
int i;
unsigned char number[10];
unsigned char mes1[21], mes2[21], mes3[21], mes4[21], *num="9964709968";
void main()
{
delay_100milli(50);
serialinit();
SCI_String_Tx("AT+CMGF=1");
Enter_cmd();
while(Rx_Data()!='k');
init();
lcdcmd(0x80);
delay_lcd();
lcdstr("MSRIT");
lcdcmd(0xc0);
delay_lcd();
lcdstr("Bangalore");
lcdcmd(0xD4);
delay_lcd();
lcdstr("GSM BASED NOTICE BOARD");
lcdcmd(0x94);
delay_lcd();
lcdstr("DEPT OF ECE 2009-2013");
while(1)
{
for(i=0;i<13;i++)
Rx_Data();
for(i=0;i<10;i++)
number[i]=Rx_Data();
if(!strncmp(num,number,9))
{
for(i=0;i<27;i++)
Rx_Data();
for(i=0;i<20;i++)
mes1[i]=Rx_Data();
mes1[21]='\0';
for(i=0;i<20;i++);
mes2[i]=Rx_Data();
mes2[21]='\0';
for(i=0;i<20;i++)
mes3[i]=Rx_Data();
mes3[21]='\0';
for(i=0;i<20;i++);
mes4[i]=Rx_Data();
mes4[21]='\0';
}
lcdcmd(0x80);
delay_lcd();
lcdstr("MESSAGE RECIEVED FROM");
lcdcmd(0xc0);
delay_lcd();
lcdstr(&number);
lcdcmd(0xca);
delay_lcd();
lcdstr(" ");
lcdcmd(0x94);
delay_lcd();
lcdstr(" ");
lcdcmd(0xD4);
delay_lcd();
lcdstr(" ");
delay_100milli(50);
if(!strncmp(num,number,9))
{
lcdcmd(0x80);
delay_lcd();
lcdstr(&mes1);
lcdcmd(0xC0);
delay_lcd();
lcdstr(&mes2);
lcdcmd(0x94);
delay_lcd();
lcdstr(&mes3);
lcdcmd(0xD4);
delay_lcd();
lcdstr(&mes4);
}
else
{
lcdcmd(0x94);
lcdstr("SNT BY UNAUTRSD USER");
lcdcmd(0xd4);
lcdstr("NT PERMITED T DISPLY");
delay_100milli(80);
lcdcmd(0x80);
lcdstr(&mes1);
lcdcmd(0xC0);
lcdstr(&mes2);
lcdcmd(0x94);
lcdstr(&mes3);
lcdcmd(0xD4);
lcdstr(&mes4);
}
}
}
void serialinit()
{
TMOD=0x20;
SCON=0x50;
TH1=-3;
TR1=1;
TI=0;
}
void Tx_data(unsigned char v)
{
SBUF=v;
while(TI==0);
TI=0;
}
unsigned char Rx_Data(void)
{
unsigned char in;
while(!RI);
in=SBUF;
RI=0;
return(in);
}
void SCI_String_Tx(unsigned char *string)
{
while(*string)
{
Tx_data(*(string++));
}
}
void Enter_cmd(void)
{
Tx_data(0x0D);
Tx_Data(0x0A);
}
void init()
{
lcdcmd(0x38);
delay_lcd();
lcdcmd(0x0C);
delay_lcd();
lcdcmd(0x01);
delay_lcd();
lcdcmd(0x06);
delay_lcd();
lcdcmd(0x80);
delay_lcd();
}
void lcdcmd(unsigned char value)
{
P1=value;
rs=0;
rw=0;
en=1;
delay_lcd();
en=0;
}
void lcddata(unsigned char value)
{
P1=value;
rs=1;
rw=0;
en=1;
delay_lcd();
en=0;
}
void delay_lcd()
{
int i,j;
for(i=0;i<10;i++)
for(j=0;j<150;j++);
}
void lcdstr(unsigned char *ptr)
{
while(*ptr!='\0')
lcddata(*ptr++);
}
void delay_100milli(unsigned char d)
{
int i,j;
for(i=0;i<d;i++)
for(j=0;j<18000;j++);
} |
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