ds18b20.hpp

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016-2017 Intel Corporation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#pragma once

#include <string>
#include <iostream>
#include <map>

#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include <mraa/common.hpp>
#include <mraa/uart_ow.hpp>

#include <ds18b20.h>

#define DS18B20_DEFAULT_UART 0

namespace upm {
  class DS18B20 {
  public:

      DS18B20(int uart=DS18B20_DEFAULT_UART);

      ~DS18B20();

      void init();

      void update(int index=-1);

      float getTemperature(unsigned int index, bool fahrenheit=false);

      void setResolution(unsigned int index, DS18B20_RESOLUTIONS_T res);

      void copyScratchPad(unsigned int index);

      void recallEEPROM(unsigned int index);

      int devicesFound()
          {
              return ds18b20_devices_found(m_ds18b20);
          }

      std::string getId(unsigned int index);

  protected:
      ds18b20_context m_ds18b20;

  private:
      /* Disable implicit copy and assignment operators */
      DS18B20(const DS18B20&) = delete;
      DS18B20 &operator=(const DS18B20&) = delete;
  };
}