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Code

/*  
 *  --[SM_13] - Reading DS18B20 Temperature at Smart Metering board-- 
 *  
 *  Explanation: Turn on the Smart Metering board and read the 
 *  temperature sensor on it once every second.
 *  
 *  Copyright (C) 2015 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 <http://www.gnu.org/licenses/>. 
 *  
 *  Version:           0.1 
 *  Design:            David Gascón 
 *  Implementation:    Luis Miguel Marti
 */

#include <WaspSensorSmart_v20.h>
#include <WaspFrame.h>

float digitalTemperature; 
char node_ID[] = "Node_01";


void setup() 
{
  USB.ON();
  USB.println(F("Temperature example"));
  SensorSmartv20.ON();
  // Set the Waspmote ID
  frame.setID(node_ID); 
}
 
void loop()
{
  ///////////////////////////////////////////
  // 1. Turn on the sensors
  /////////////////////////////////////////// 

  // Power on the temperature sensor
  SensorSmartv20.setSensorMode(SENS_ON, SENS_SMART_TEMP_DS18B20);
  delay(100);
  
  
  ///////////////////////////////////////////
  // 2. Read sensors
  ///////////////////////////////////////////  

  // Read the temperature sensor
  digitalTemperature = SensorSmartv20.readValue(SENS_SMART_TEMP_DS18B20);
  
  
  ///////////////////////////////////////////
  // 3. Turn off the sensors
  /////////////////////////////////////////// 

  // Power off the temperature sensor
  SensorSmartv20.setSensorMode(SENS_OFF, SENS_SMART_TEMP_DS18B20);
  
  
  ///////////////////////////////////////////
  // 4. Create ASCII frame
  /////////////////////////////////////////// 

  // Create new frame (ASCII)
  frame.createFrame(ASCII);

  // Add temperature
  frame.addSensor(SENSOR_TCB, digitalTemperature);

  // Show the frame
  frame.showFrame();

  //wait 1 seconds
  delay(1000);
}