upm/src/ecezo/ecezo.cxx

/*
 * 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.
 */

#include <iostream>
#include <stdexcept>

#include "ecezo.hpp"

using namespace upm;
using namespace std;

ECEZO::ECEZO(unsigned int bus, unsigned int addrBaud, bool isI2C) :
    m_ecezo(nullptr)
{
    if (isI2C)
        m_ecezo = ecezo_i2c_init(bus, addrBaud);
    else
        m_ecezo = ecezo_uart_init(bus, addrBaud);

    if (!m_ecezo)
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_*_init() failed");
}

ECEZO::~ECEZO()
{
    ecezo_close(m_ecezo);
}

void ECEZO::update()
{
    if (ecezo_update(m_ecezo))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_update() failed");
}

void ECEZO::setTemperature(float temp)
{
    if (ecezo_set_temperature(m_ecezo, temp))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_set_temperature() failed");
}

void ECEZO::setKValue(float k)
{
    if (ecezo_set_k_value(m_ecezo, k))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_set_k_value() failed");
}

void ECEZO::setSleep(bool enable)
{
    if (ecezo_set_sleep(m_ecezo, enable))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_set_sleep() failed");
}

float ECEZO::getEC()
{
    return ecezo_get_ec(m_ecezo);
}

float ECEZO::getTDS()
{
    return ecezo_get_tds(m_ecezo);
}

float ECEZO::getSalinity()
{
    return ecezo_get_salinity(m_ecezo);
}

float ECEZO::getSG()
{
    return ecezo_get_sg(m_ecezo);
}

void ECEZO::calibrate(ECEZO_CALIBRATION_T cal, float ec)
{
    if (ecezo_calibrate(m_ecezo, cal, ec))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_calibrate() failed");
}

void ECEZO::setContinuous(bool enable)
{
    if (ecezo_set_continuous(m_ecezo, enable))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_set_continuous() failed");
}

string ECEZO::sendCommand(string cmd)
{
    char buffer[ECEZO_MAX_BUFFER_LEN];

    int rv;

    if ((rv = ecezo_send_command(m_ecezo, (char *)cmd.c_str(),
                                 buffer, ECEZO_MAX_BUFFER_LEN)) < 0)
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_send_command() failed");

    return string(buffer, rv);
}

string ECEZO::read()
{
    char buffer[ECEZO_MAX_BUFFER_LEN];

    int rv;

    if ((rv = ecezo_read(m_ecezo, buffer, ECEZO_MAX_BUFFER_LEN)) < 0)
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_read() failed");

    return string(buffer, rv);
}

void ECEZO::write(std::string data)
{
    if (ecezo_write(m_ecezo, (char*)data.data(),
                    data.size()))
        throw std::runtime_error(string(__FUNCTION__)
                                 + ": ecezo_write() failed");
}