sht1x.hpp

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016 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 <stdlib.h>
#include <unistd.h>

#include "sht1x.h"

namespace upm {
  class SHT1X {
  public:

    SHT1X(unsigned int clk_pin, unsigned int data_pin);

    ~SHT1X();

    void reset();

    void update();

    float getTemperature();

    float getHumidity();

    uint8_t readStatus();

    upm_result_t writeStatus(uint8_t status);

    void setVolts(SHT1X_VOLTS_T volts);

  protected:
    // device context
    sht1x_context m_sht1x;

    upm_result_t sendCommand(SHT1X_CMD_T cmd);

    upm_result_t waitForResponse();

    void startXmit();

    uint8_t read8Bits();

    upm_result_t write8Bits(uint8_t byte);

  private:
    /* Disable implicit copy and assignment operators */
    SHT1X(const SHT1X&) = delete;
    SHT1X &operator=(const SHT1X&) = delete;
  };
}