[Prab X]

gsm

[Prab X]

 I want to send “UNITS:0009” displaying on lcd to a mobile via sms. Please some code for me.

[Prab X]

thanks for your interest in my project. I developed a code which will count 1000 pulses and increment unit =unit+1. i have not used external interrupt (INT0 PIN3.2 of AT89C51). Please developed this code using EXT INTERRUPT (INT0) & also help me to send the LCD display content by SMS to user after every 100 units consumed.

 

MY Code:

 

#include<reg51.h>

#define LCD P2

 

unsigned int Count,Unit,d1,d2,d3,d4,x1,x2,x3,d5,d6,d7,d8,x4,x5,x6,x7;

 

sbit rs = P1^0;

sbit rw = P1^1;

sbit en = P1^2;

sbit Pulse = P1^3;

 

 

void LCDInit ( );

void lcdcmd (unsigned char );

void lcdwrt (unsigned char );

void Delay (unsigned int );

void Conv1 (unsigned int );

void Conv2 (unsigned int );

void main(void)

{

unsigned char z,Disp;

unsigned char code str1[]=”ENERGY METER”;

//unsigned char code str2[]=”PULSE: 0000      “;

unsigned char code str2[]=”METER ID:XXX      “;

unsigned char code str3[]=”UNITS: 0000      “;

P0=0x00;

P1=0x00;

P2=0x00;

P3=0x00;

 

 

Count=0x00;

Unit=0x00;

 

LCDInit();

 

    for(z=0;z<16;z++)

{

 

Disp=str1[z];

lcdwrt(Disp);

Delay(1);

 

lcdcmd(0x80);

 

    for(z=0;z<16;z++)

{

 

Disp=str2[z];

lcdwrt(Disp);

Delay(1);

 

}

Delay(70);

lcdcmd(0xC0);

 

    for(z=0;z<16;z++)

{

 

Disp=str3[z];

lcdwrt(Disp);

Delay(1);

}

Delay(70);

 

 

while(1)

{

Delay(30);

if(Pulse==0)

{

 

Count=Count+1;

Conv1(Count);

Conv2(Unit);

if(Count==1000){

Count=0x00;

Unit=Unit+1;

 

}

 

}  

}

}

 

}

 

void Conv1(unsigned int val1)

{

x1 = val1 / 10;

d1 = val1 % 10;

 

x2 = x1 / 10;

d2 = x1 % 10;

 

x3 = x2 / 10;

d3 = x2 % 10;   

 

d4 = x3 % 10;

 

d1=d1+0x30;

d2=d2+0x30;

d3=d3+0x30;

d4=d4+0x30;

 

 

}

 

void Conv2(unsigned int val2)

{

x4 = val2 / 10;

d5 = val2 % 10;

 

x5 = x4 / 10;

d6 = x4 % 10;

 

x6 = x5 / 10;

d7 = x5 % 10;   

 

d8 = x6 % 10;

 

d5=d5+0x30;

d6=d6+0x30;

d7=d7+0x30;

d8=d8+0x30;

 

lcdcmd(0xc7);

lcdwrt(d8);

lcdwrt(d7);

lcdwrt(d6);

lcdwrt(d5);

Delay(1);

 

 

Delay(30);

}

 

void LCDInit()

{

lcdcmd(0x38);

Delay(10);

lcdcmd(0x0E);

Delay(10);

lcdcmd(0x01);

Delay(10);

lcdcmd(0x0C);

Delay(10);

lcdcmd(0x80);

Delay(10);

return;

}

 

void lcdcmd(unsigned char value)

{

LCD=value;

rs=0;

rw=0;

en=1;

Delay(1);

en=0;

return;

}

 

void lcdwrt(unsigned char value)

{

LCD=value;

rs=1;

rw=0;

en=1;

Delay(1);

en=0;

return;

}

 

 

 

void Delay(unsigned int x)

{

unsigned int i,j;

    for (i=0;i<=x;i++)

    for (j=0;j<=500;j++);

}

 

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[Prab X]

I m using AT89C51 microcontroller and Keil uVision Compiler

[Author]

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