text: /*
   * Author: Scott Ware <scott.r.ware@intel.com>
   * Copyright (c) 2014 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 <mraa/i2c.hpp>
  
  #include "upm/iTemperatureSensor.hpp"
  #include "upm/iHumiditySensor.hpp"
  
  /* ADDRESS AND NOT_FOUND VALUE */
  #define SI7005_ADDRESS                     ( 0x40 )
  #define SI7005_NOT_FOUND                   ( 0x00 )
  
  
  namespace upm {
  
  /**
   * @brief Si7005 digital I2C humidity and temperature sensor library
   * @defgroup si7005 libupm-si7005
   * @ingroup i2c silabs temp itemperaturesensor
   */
  
  /**
   * @brief C++ API for SI7005 sensor (Humidity And Temperature Sensor)
   *
   * The Silicon Labs Si7005
   * [SI7005](https://www.silabs.com/Support%20Documents/TechnicalDocs/Si7005.pdf)
   * is a digital relative humidity and temperature sensor.
   *
   * @library si7005
   * @sensor si7005
   * @comname Silicon Labs Si7005 LED lighting controller
   * @altname Si7005
   * @type temp
   * @man silabs
   * @con i2c
   * @if itemperaturesensor
  
   */
  class SI7005 : public ITemperatureSensor, public IHumiditySensor {
      public:
          /**
           * Instantiates a SI7005 object
           *
           * @param bus number of used bus
           * @param devAddr address of used i2c device
           * @param pin mraa gpio number for chip select pin
           */
          SI7005 (int bus, int pin);
  
          /**
           * SI7005 object destructor.
           */
          ~SI7005 ();
  
          /**
           * Get temperature measurement.
           */
          uint16_t getTemperatureRaw ();
  
          /**
           * Get temperature measurement.
           */
          int getTemperatureCelsius ();
  
          /**
           * Get relative humidity measurement.
           */
          uint16_t getHumidityRaw ();
  
          /**
           * Get relative humidity measurement.
           */
          int getHumidityRelative ();
  
          /**
           * Returns sensor module name
           */
          const char* getModuleName() { return "si7005"; }
  
          /**
           * Detects the sensor to ensure it is connected as required.
           */
          bool isAvailable();
  
          /**
           * Enables the integrated heating element.
           */
          void enableHeater();
  
          /**
           * Disables the integrated heating element.
           */
          void disableHeater();
  
          /**
           * Enables fast conversion mode.
           */
          void enableFastConversionMode();
  
          /**
           * Enables fast conversion mode.
           */
          void disableFastConversionMode();
  
      private:
          int m_controlAddr;
          int m_bus;
          int m_pin;
          mraa::I2c* m_i2c;
          mraa::Result status;
          uint8_t config_reg;
          float last_temperature;
  
          uint16_t getMeasurement(uint8_t configValue);
  };
  
  }
  