ms5803: initial implementation; C, C++; FTI + examples

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

examples/c++/ms5803.cxx

@@ -0,0 +1,78 @@
+/*
+ * 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 <unistd.h>
+#include <iostream>
+#include <signal.h>
+
+#include "ms5803.hpp"
+
+using namespace std;
+using namespace upm;
+
+int shouldRun = true;
+
+void sig_handler(int signo)
+{
+    if (signo == SIGINT)
+        shouldRun = false;
+}
+
+
+int main(int argc, char **argv)
+{
+    signal(SIGINT, sig_handler);
+//! [Interesting]
+
+    // Instantiate a MS5803 instance using i2c bus 0 and default address
+    upm::MS5803 *sensor = new upm::MS5803(0);
+
+    // For SPI, bus 0, you would pass -1 as the address, and a valid
+    // pin for CS (or -1 if you are using a hw pin you have no control
+    // over, like edison):
+    // MS5803(0, -1, 9);
+
+    while (shouldRun)
+    {
+        // update our values from the sensor
+        sensor->update();
+
+        cout << "Temperature: "
+             << sensor->getTemperature()
+             << " C, "
+             << "Pressure: "
+             << sensor->getPressure()
+             << " mbar"
+             << endl;
+
+        sleep(1);
+    }
+//! [Interesting]
+
+    cout << "Exiting..." << endl;
+
+    delete sensor;
+
+    return 0;
+}