GPRS/GSM Quadband (SIM900) shield for Raspberry Pi Tutorial

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/
//Include ArduPi library
#include "arduPi.h"


void switchModule(); //Declaration of an aditonal function apart from setup() and loop();

int led = 9;
int button = 8;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

int timesToSend = 1;        // Numbers of calls to make
int count=0;

char phone_number[]="*********";     // ********* is the number to call

void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(button, INPUT);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);

    for (int i=0;i < 5;i++){
        delay(1000);
    } 
}

void loop(){

    while (count < timesToSend){

        Serial.print("ATD");     
        Serial.print(phone_number);     
        Serial.println(";");        

        while(digitalRead(button)==1);        

        Serial.println("ATH");            // disconnects the existing call

        delay(5000);

        count++;
    }
}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/
//Include ArduPi library
#include "arduPi.h"


void switchModule(); //Declaration of an aditonal function apart from setup() and loop();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

int timesToSend = 1;        // Numbers of calls to make
int count = 0;
int tones = 5;                //Each tone has a duration of 6 seconds aprox.

char phone_number[]="*********";     // ********* is the number to call

void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 5;i++){
        delay(5000);
    } 
}

void loop(){

    while (count < timesToSend){
        

        Serial.print("ATD");     
        Serial.print(phone_number);     
        Serial.println(";");   
        delay(6000*tones);
        Serial.println("ATH");            // cancel the call

        delay(5000);

        count++;
    }
}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"


void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

int timesToSend = 1;        // Numbers of SMS to send
int count = 0;

char phone_number[]="*********";     // ********* is the number to call

void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 5;i++){
        delay(5000);
    } 

    Serial.println("AT+CMGF=1");         // sets the SMS mode to text
    delay(100);
}

void loop(){

    while (count < timesToSend){
        delay(1500);
        Serial.print("AT+CMGS=\"");     // send the SMS number
        Serial.print(phone_number);
    Serial.println("\"");
        while(Serial.read()!='>');      
        Serial.print("Hola caracola...");     // the SMS body
        delay(500);
        Serial.write(0x1A);       //sends ++
        Serial.write(0x0D);
        Serial.write(0x0A);

        delay(5000);

        count++;
    }
}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"


void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button) 

int timesToSend = 1;        // Numbers of SMS to send
int count = 0;

int n_sms,x,sms_start;
char data[256];

void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 5;i++){
        delay(5000);
    } 

    Serial.println("AT+CMGF=1");         // sets the SMS mode to text
    delay(1000);
}

void loop(){
    
    
        Serial.println("AT+CMGR=1");    //Reads the first SMS
        Serial.flush();
        for (x=0;x < 255;x++){            
            data[x]='\0';                        
        } 
        x=0;
        do{
            while(Serial.available()==0);
            data[x]=Serial.read();  
            x++;           
            if(data[x-1]==0x0D&&data[x-2]=='"'){
                x=0;
            }
        }while(!(data[x-1]=='K'&&data[x-2]=='O'));

        data[x-3]='\0';        //finish the string before the OK

        Serial.println(data);    //shows the message

        delay(5000);

}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"

void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button) 

char data[1024];
int x=0;
int data_size;
char aux;


void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 4;i++){
        delay(5000);
    } 
    
    Serial.println("AT+SAPBR=3,1,\"Contype\",\"GPRS\"");    //Configures GPRS connection
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+SAPBR=3,1,\"APN\",\"myAPN\"");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+SAPBR=1,1");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPCID=1");    //Selects profile 1 for FTP operations
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPSERV=\"FTP_IP_dir\"");    //Configures FTP parameters
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPPORT=port_number");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPUN=\"username\"");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPPW=\"password\"");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    
}

void loop(){
    
    Serial.println("AT+FTPPUTNAME=\"filename.extension\"");    //Sets destiny file name
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPPUTPATH=\"/\"");    //Sets destiny file path
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPPUT=1");    //Starts session
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=',');  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=','); 
    delay(100);

    data_size=0;
    while(Serial.available()==0);
    
    aux=Serial.read();
    do{
        data_size*=10;
        data_size+=(aux-0x30);
        while(Serial.available()==0);
        aux=Serial.read();        
    }while(aux!=13);
        
    Serial.println("AT+FTPPUT=2,100");    //Sends data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='+');  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\r'); 
    delay(100);
    
    Serial.print("0000000011111111222222223333333344444444555555556666666677777777000000001111111122222222333333334444");
    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='+');
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\r');
    delay(100);
    
    Serial.println("AT+FTPPUT=2,0");    //Closes the file and the session
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='+');  
    delay(100);

    Serial.println("AT+FTPGETNAME=\"filename.extension\"");    //Sets file name to download
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPGETPATH=\"/\"");    //Sets file path to download
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+FTPGET=1");    //Starts session
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=',');  
    delay(100);
    
    Serial.println("AT+FTPGET=2,512");    //Request data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=',');  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=','); 
    delay(100);
    
    data_size=0;
    while(Serial.available()==0);
    
    aux=Serial.read();        //Gets data length
    do{
        data_size*=10;
        data_size+=(aux-0x30);
        while(Serial.available()==0);
        aux=Serial.read();        
    }while(aux!=13);
    
    for(x=0;x<=data_size;x++){    //Gets data string
        while(Serial.available()==0);
    data[x]=Serial.read();
    }
    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=':');  
    delay(100);
        
    Serial.print(data);

    while(1);

}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"


void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

char data[1024];

int x = 0;

char name[20];

char server[ ]="";
char port[ ]="";

void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 4;i++){
        delay(5000);
    } 

    Serial.println("AT+CIPMUX=0");      //single connection 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);



    Serial.println("AT+CSTT=\"myAP\""); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    Serial.println("AT+CIICR"); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    Serial.println("AT+CIFSR"); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='.');
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\n');
    delay(100);

    Serial.println("AT+CIPSTART=\"TCP\",\"IP_dir\",\"port\"");  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    do{     //waits for connection
        while(Serial.available()==0);
    }while(Serial.read()!='K'); 
    delay(100);

    Serial.println("AT+CIPSEND");   //sending data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='>');
    delay(100);
    Serial.print("Data test!");
    Serial.write(0x1A);    //EOL character
    Serial.write(0x0D);
    Serial.write(0x0A);
    delay(100);

    Serial.println("AT+CIPCLOSE");  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);


    Serial.println("AT+CIPSTART=\"UDP\",\"IP_dir\",\"port\"");  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    do{     //waits for connection
        while(Serial.available()==0);
    }while(Serial.read()!='K'); 
    delay(100);

    Serial.println("AT+CIPSEND");   //sending data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='>');
    delay(100);
    Serial.print("Data test!");
    Serial.write(0x1A);    //EOL character
    Serial.write(0x0D);
    Serial.write(0x0A);
    delay(100);

    Serial.println("AT+CIPCLOSE");  
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');

    
}

void loop()
{

    delay(500);
    digitalWrite(led,HIGH);
    delay(500);
    digitalWrite(led,LOW);
    
    
}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"


void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

char data[1024];

int x = 0;

char name[20];

char server[ ]="";
char port[ ]="";


void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    switchModule();                    // switches the module ON

    for (int i=0;i < 4;i++){
        delay(5000);
    } 

    Serial.println("AT+CIPMUX=1");      //multiple connection   
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    Serial.println("AT+CSTT=\"myAPN\"");    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    Serial.println("AT+CIICR"); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    Serial.println("AT+CIFSR"); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='.');
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\n');
    delay(100);

    Serial.println("AT+CIPSTART=0,\"TCP\",\"IP_dir\",\"port\"");    //TCP connection in id 0    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    do{     //waits for connection
        while(Serial.available()==0);
    }while(Serial.read()!='K'); 
    delay(100);

    Serial.println("AT+CIPSTART=1,\"UDP\",\"IP_dir\",\"port\"");    //UDP connection in id 1
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);

    do{     //waits for connection
        while(Serial.available()==0);
    }while(Serial.read()!='K'); 
    delay(100);

    Serial.println("AT+CIPSEND=0"); //sending data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='>');
    delay(100);
    Serial.print("Data test!");
    Serial.write(0x1A);    //EOL character
    Serial.write(0x0D);
    Serial.write(0x0A);
    delay(100);

    Serial.println("AT+CIPSEND=1"); //sending data
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='>');
    delay(100);
    Serial.print("Data test!");
    Serial.write(0x1A);    //EOL character
    Serial.write(0x0D);
    Serial.write(0x0A);
    delay(100);

    Serial.println("AT+CIPCLOSE=0");    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');
    delay(100);
    
    Serial.println("AT+CIPCLOSE=1");    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');

    
}

void loop()
{

    delay(500);
    digitalWrite(led,HIGH);
    delay(500);
    digitalWrite(led,LOW);
    
    
}

int main (){
	setup();
	while(1){
		loop();
	}
	return (0);
}

/*
*  Copyright (C) 2012 Libelium Comunicaciones Distribuidas S.L.
*  http://www.libelium.com
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see .
*
*  Version 0.1
*  Author: Alejandro Gállego
*/

//Include ArduPi library
#include "arduPi.h"


void switchModule();

int led = 9;
int onModulePin = 2;        // the pin to switch on the module (without press on button)

char data[1024];
int data_size;
char aux;
int x = 0;


void switchModule(){
    digitalWrite(onModulePin,HIGH);
    delay(2000);
    digitalWrite(onModulePin,LOW);
}

void setup(){

    Serial.begin(115200);                // UART baud rate
    delay(2000);
    pinMode(led, OUTPUT);
    pinMode(onModulePin, OUTPUT);
    digitalWrite(led,LOW);
    switchModule();                    // switches the module ON

    for (int i=0;i < 5;i++){
        delay(5000);
    } 
    
    Serial.println("AT+SAPBR=3,1,\"Contype\",\"GPRS\"");    //Sets GPRS parameters
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+SAPBR=3,1,\"APN\",\"myAPN\"");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+SAPBR=1,1");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    Serial.println("AT+HTTPINIT");
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    Serial.println("AT+HTTPPARA=\"CID\",1");    //Sets GPRS profile to use with HTTP
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
}

void loop()
{

    Serial.println("AT+HTTPPARA=\"URL\",\"www.libelium.com\"");    //Sets URL direction
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);
    
    
    Serial.println("AT+HTTPACTION=0");  //Connects with the HTTP server, this action can need to wait a several time
    x=0;
    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!=','); 
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\r'); 
    delay(100);
                
    Serial.println("AT+HTTPREAD=0,200");   //Reads 200 bytes from byte 0    
     
    do{
        while(Serial.available()==0); 
    }while(Serial.read()!=':');
   

    data_size=0;
    while(Serial.available()==0);
    
    aux=Serial.read();
    do{
        data_size*=10;
        data_size+=(aux-0x30);
        while(Serial.available()==0);
        aux=Serial.read();        
    }while(aux!='\r');
    
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='\n');  

    for(x=0;x<=data_size;x++){
        while(Serial.available()==0);
    data[x]=Serial.read();
    }

    Serial.println("AT+HTTPTERM");    //Closes the opened HTTP session
    do{
        while(Serial.available()==0);
    }while(Serial.read()!='K');  
    delay(100);

    printf("%s",data);    //Shows data
    
}

int main (){
	setup();
	loop(); //Run the loop only 1 time
	return (0);
}