Added initial interfaces and some sensors implementing them

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/hdc1000/hdc1000.cpp

@@ -125,6 +125,12 @@ HDC1000::getTemperature(int bSampleData)
     return (float)(m_temperature * 0.01);
 }
 
+float
+HDC1000::getTemperature()
+{
+    return getTemperature(false);
+}
+
 float
 HDC1000::getHumidity(int bSampleData)
 {
@@ -133,3 +139,9 @@ HDC1000::getHumidity(int bSampleData)
     }
     return (float)(m_humidity * 0.01);
 }
+
+float
+HDC1000::getHumidity()
+{
+  return getHumidity(false);
+}

src/hdc1000/hdc1000.hpp

@@ -29,6 +29,8 @@
 #include <string>
 #include <mraa/i2c.hpp>
 #include <math.h>
+#include <interfaces/iHumidity.hpp>
+#include <interfaces/iTemperature.hpp>
 
 #define HDC1000_NAME "hdc1000"
 #define HDC1000_i2C_ADDRESS         0x43
@@ -87,7 +89,7 @@ namespace upm {
  *
  * @snippet hdc1000.cxx Interesting
  */
-class HDC1000 {
+class HDC1000 : virtual public iHumidity, virtual public iTemperature {
     public:
         /**
          * Instantiates an HDC1000 object
@@ -123,7 +125,14 @@ class HDC1000 {
          * @param bSampleData Flag to read sensor
          * @return The humidity sensor temp in degC
          */
-        float getHumidity(int bSampleData = false);
+        float getHumidity(int bSampleData);
+
+        /**
+         * Get the current measured humidity [RH]
+         *
+         * @return The humidity sensor temp in degC
+         */
+        virtual float getHumidity();
 
         /**
          * Get the humidity cell temperature [degC]
@@ -131,7 +140,14 @@ class HDC1000 {
          * @param bSampleData Flag to read sensor
          * @return The humidity sensor temp in degC
          */
-        float getTemperature(int bSampleData = false);
+        float getTemperature(int bSampleData);
+
+        /**
+         * Get the humidity cell temperature [degC]
+         *
+         * @return The humidity sensor temp in degC
+         */
+        virtual float getTemperature();
 
     private: