otp538u.h

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2015 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 <mraa/aio.h>

namespace upm {

  class OTP538U {
  public:
    OTP538U(int pinA, int pinO, float aref = 5.0);

    ~OTP538U();

    float ambientTemperature();

    float objectTemperature();

    void setVoltageOffset(float vOffset) { m_offsetVoltage = vOffset; };

    void setOutputResistence(int outResistance) { 
      m_vResistance = outResistance; };

    void setVRef(float vref) { m_vref = vref; };


  private:
    float m_vref;
    float m_aref;
    int m_vResistance;
    float m_offsetVoltage;
    int m_adcResolution;
    mraa_aio_context m_aioA;
    mraa_aio_context m_aioO;
  };
}