Diff: Temperature.cpp

Revision:

0:beb43bc3d6d4

Child:

4:23fb1c464583

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Temperature.cpp	Tue Apr 01 21:35:23 2014 +0000
@@ -0,0 +1,66 @@
+#include "Temperature.h"
+#include "mbed.h"
+
+Temperature::Temperature()
+{
+    _temperature = 0.0;
+
+    _compressed[0] = 0;
+    _compressed[1] = 0;
+}
+
+Temperature::Temperature(float t, unitsType units)
+{
+    setTemperature(t, units);
+}
+    
+Temperature::Temperature(const char* compressed)
+{
+    setTemperature(compressed);
+}
+
+Temperature::Temperature(const char msb, const char lsb)
+{
+    setTemperature(msb, lsb);
+}
+
+void Temperature::setTemperature()
+{
+    setTemperature(_compressed[0], _compressed[1]);
+}
+
+void Temperature::setTemperature(float t, unitsType units)
+{
+    // TODO:
+}
+    
+void Temperature::setTemperature(const char* compressed)
+{
+    setTemperature(compressed[0], compressed[1]);
+}
+
+void Temperature::setTemperature(const char msb, const char lsb)
+{
+    float templsb = (lsb>>4) / 16.0; //temp, fraction of a degree
+    _temperature = (float)(msb + templsb);
+}
+
+float Temperature::temperature(unitsType units)
+{
+    switch (units)
+    {
+        case FAHRENHEIT:
+            return (_temperature * 9.0)/ 5.0 + 32.0;
+        
+        case KELVIN:
+            return _temperature + 273.15;
+    }
+    
+    return _temperature;
+}
+
+const char* Temperature::print(unitsType units)
+{
+    sprintf(_printBuffer, "%.1f", temperature(units));
+    return _printBuffer;
+}