Development v12

Warning - Product Update

All the resources present on this section belong to Waspmote v12, Waspmote Plug & Sense! v12 and Meshlium v3.8.

If you have a Waspmote v15, Waspmote Plug & Sense! v15 or Meshlium v4.0 please go to the new Development Section.

Check what is your version and what are the differences between the old and the new one in this document.

» UT 04: Converting types

This example shows how to convert variable types

Required Materials

1 x Waspmote
1 x Battery
1 x MiniUSB wire

Notes

This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------ [Ut_04] Convert types --------
 *
 *  Explanation: This example shows how to convert variable types
 *
 *  Copyright (C) 2016 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:           3.0
 *  Design:            David Gascón 
 *  Implementation:    Yuri Carmona
 */


void setup()
{
  // Init USB
  USB.ON();

}

void loop()
{
  /////////////////////////////////////////////////
  // 1. Convert from long int to string
  /////////////////////////////////////////////////
  char number2[20];
  Utils.long2array(1356, number2); // Gets the number ‘1356’ into the string  
  USB.println(number2);


  /////////////////////////////////////////////////
  // 2. Convert from float to string  (3 decimals)
  /////////////////////////////////////////////////
  char number3[20];
  Utils.float2String (134.54342, number3, 3);
  USB.println(number3);
  
 
  /////////////////////////////////////////////////
  // 3. Convert from string to int
  /////////////////////////////////////////////////
  int number4 = atoi("2341");
  USB.println(number4);
  
 
  /////////////////////////////////////////////////
  // 4. Convert from string to long int
  /////////////////////////////////////////////////
  long int number5 = atol("143413");
  USB.println(number5);
  
  USB.println(F("------------------------------------"));
  
  delay(3000);
}


Output

H#
1356
134.543
2341
143413
------------------------------------
...

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