boolean save_value(String valor,String idvariable)//Send value to Ubidots
{   int cbRead=0;   

String var = "{\"value\":"+ valor + "}";  

int num = var.length();   

String le = String(num);   

String message = "POST /api/v1.6/variables/"+idvariable+"/values HTTP/1.1\nContent-Type: application/json\nContent-Length: "+le+"\nX-Auth-Token: "+token+"\nHost: app.ubidots.com\n\n"+var+"\n\n";   

byte rgbWriteStream[message.length()]  ;   

message.getBytes(rgbWriteStream,message.length() + 1);   

int cbWriteStream = sizeof(rgbWriteStream);   

state_machine(rgbWriteStream,cbWriteStream);   return true; 

}


boolean state_machine(byte rgbWriteStream[], int cbWriteStream)//Handle the TCP connection 

{   IPSTATUS status;  

for(;;)   {     

int cbRead = 0;

    switch(state)     {

    case CONNECT:      

if(WiFiConnectMacro())       

{        

Serial.println("WiFi connected");         deIPcK.begin();         state = TCPCONNECT;       }       else if(IsIPStatusAnError(status))       {         Serial.print("Unable to connection, status: ");         Serial.println(status, DEC);         state = CLOSE;       }       break;

    case TCPCONNECT:       if(deIPcK.tcpConnect(szIPServer, portServer, tcpSocket))       {         Serial.println("Connected to server.");         state = WRITE;       }       break;

      // write out the strings     case WRITE:       if(tcpSocket.isEstablished())       {              tcpSocket.writeStream(rgbWriteStream, cbWriteStream);

        state = CLOSE;         tStart = (unsigned) millis();       }       break;

    case CLOSE:       tcpSocket.close();       Serial.println("Closing TcpClient, Done with sketch.");       state = DONE;       break;

    case DONE:       state = TCPCONNECT;       return cbRead;     default:       break;     }

    // keep the stack alive each pass through the loop()     DEIPcK::periodicTasks();   } }