ecezo: initial implementation; C, C++; FTI + examples

Signed-off-by: Jon Trulson <jtrulson@ics.com>

src/ecezo/ecezo.cxx

@@ -0,0 +1,146 @@
+/*
+ * 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");
+}