File content as of revision 2:1a5d54f3d818:

#include "mbed.h"
#include "TextLCD.h"

AnalogIn sm1(p18);
DigitalOut relay(p30);

Serial GPRS(p9,p10);
Serial pc(USBTX, USBRX); // tx, rx

TextLCD lcd(p26, p25, p24, p23, p22, p21); // rs, e, d4, d5, d6, d7

LocalFileSystem local("local");

char  z=0x1A,e=0x22,c=0x0d; // ASCII equivalent of 0X22 is "(Double invited coma)
char num[]="9535811293";    // Mobile phone number to which emergancy information has to be delivered

int main() 
{
float a,m;
int b=100,time=0;

      while(1)
      {
        GPRS.baud(9600);
        GPRS.printf("AT+CMGF=1\r\n");
        q=m;    //Storing the sensor value in a variable 
        
        //Sensor read and Callibrate
        a=sm1.read();
        m=(0.057*(a*1024))+25.072;
        lcd.cls();
        lcd.printf("Raw SM1=%0.3f",a); 
        wait(5);
        
        //Local storage (On board flash memory of 2MB) 
        FILE *fp=fopen("/local/KAEMS.csv","a");
        fprintf(fp,"%d,%0.3f\n",time,m);
        fclose(fp);
        lcd.cls();
        lcd.printf("File updated");
        wait(5);
        
        //Display
        lcd.cls();
        lcd.locate(0,0);
        lcd.printf("SM1=%0.3f",m);  
        wait(5);
  
        //Realy control
        if(m>50)
        relay=0;
        else
        relay=1;
        wait(2); 
        lcd.cls();
        lcd.locate(0,0);
        lcd.printf("Relay Function...");
                   
        //GPRS commands
        lcd.cls();
        lcd.locate(0,0);
        lcd.printf("Updating BMSEMS...");
        wait(3);
        GPRS.printf("AT+SAPBR=0,1\r\n");
        wait(3);
        GPRS.printf("AT+SAPBR=3,1,%cCONTYPE%c,%cGPRS%c\r\n",e,e,e,e);
        wait(3);
        GPRS.printf("AT+SAPBR=3,1,%cAPN%c,%cwww%c\r\n",e,e,e,e);
        wait(3);
        GPRS.printf("AT+SAPBR=1,1\r\n");
        wait(5);
        GPRS.printf("AT+HTTPINIT\r\n");
        wait(2);
        GPRS.printf("AT+HTTPPARA=%cCID%c,1\r\n",e,e);
        wait(2);
        GPRS.printf("AT+HTTPPARA=%cURL%c,%chttp://bmsems.org/update.php?u=3&t=23&h=34&s1=%f&s2=24&s3=25&s4=26&ph=5&b=%d%c\r\n",e,e,e,m,b--,e);
        wait(2);
        GPRS.printf("AT+HTTPDATA=1000,5000\r\n"); 
        wait(10);
        GPRS.printf("AT+HTTPACTION=1\r\n"); 
        wait(5);
        GPRS.printf("AT+HTTPTERM\r\n");
        wait(5);
        
        time=time+1;
        lcd.cls();
        lcd.locate(0,0);
        lcd.printf("BMSEMS Updated");
        wait(10);
    }
}