1 files changed, 108 insertions, 0 deletions
diff --git a/peripheral/libupm/src/tb7300/tb7300.cxx b/peripheral/libupm/src/tb7300/tb7300.cxx
new file mode 100644
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+++ b/peripheral/libupm/src/tb7300/tb7300.cxx
@@ -0,0 +1,108 @@
+/*
+ * 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 <errno.h>
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+#include "tb7300.hpp"
+
+using namespace upm;
+using namespace std;
+
+// conversion from fahrenheit to celcius and back
+
+static float f2c(float f)
+{
+  return ((f - 32.0) / (9.0 / 5.0));
+}
+
+static float c2f(float c)
+{
+  return (c * (9.0 / 5.0) + 32.0);
+}
+
+
+TB7300::TB7300(uint32_t targetDeviceObjectID) :
+  BACNETUTIL(targetDeviceObjectID)
+{
+  setDebug(false);
+
+  // we disable this by default for performance reasons
+  checkReliability(false);
+
+  m_isTempInitialized = false;
+  m_isCelcius = false;
+
+  // room temperature only
+  m_temperature = 0.0;
+}
+
+TB7300::~TB7300()
+{
+}
+
+void TB7300::update()
+{
+  if (!m_isTempInitialized)
+    {
+      // this will update internals so conversions work properly
+      getTemperatureScale();
+    }
+
+  float tmpF = getAnalogValue(AV_Room_Temperature);
+
+  if (m_isCelcius)
+    m_temperature = tmpF;
+  else
+    m_temperature = f2c(tmpF);
+}
+
+float TB7300::getTemperature(bool fahrenheit)
+{
+  if (fahrenheit)
+    return c2f(m_temperature);
+  else
+    return m_temperature;
+}
+
+void TB7300::setTemperatureScale(bool fahrenheit)
+{
+  setBinaryValue(BV_Temperature_Scale, fahrenheit);
+
+  m_isTempInitialized = true;
+  m_isCelcius = (fahrenheit) ? false : true;
+}
+
+bool TB7300::getTemperatureScale()
+{
+  bool scale = getBinaryValue(BV_Temperature_Scale);
+
+  m_isTempInitialized = true;
+  m_isCelcius = !scale;
+
+  return scale;
+}