add float to knxValue

examples/knx-bme680/knx-bme680.ino

@@ -58,8 +58,10 @@ void setup(void)
     if(knx.configured())
         goTriggerSample.callback(triggerCallback);
 
-    // depends on sensor board. Try BME680_I2C_ADDR_PRIMARY if it doen't work.
+
     // Configure Wire pins before this call if needed.
+    Wire.begin();
+    // depends on sensor board. Try BME680_I2C_ADDR_PRIMARY if it doen't work.
     iaqSensor.begin(BME680_I2C_ADDR_SECONDARY, Wire);
     checkIaqSensorStatus();
 

src/knx/knx_value.cpp

@@ -529,3 +529,19 @@ struct tm KNXValue::timeValue() const
     struct tm tmp;
     return tmp;
 }
+
+KNXValue::KNXValue(float value)
+{
+}
+
+KNXValue& KNXValue::operator=(const float value)
+{
+    _value.doubleValue = value;
+    _type = DoubleType;
+    return *this;
+}
+
+KNXValue::operator float() const
+{
+    return doubleValue();
+}

src/knx/knx_value.h

@@ -18,6 +18,7 @@ class KNXValue
     KNXValue(double value);
     KNXValue(const char* value);
     KNXValue(struct tm value);
+    KNXValue(float value);
 
     operator bool() const;
     operator uint8_t() const;
@@ -31,6 +32,7 @@ class KNXValue
     operator double() const;
     operator const char*() const;
     operator struct tm() const;
+    operator float() const;
 
     KNXValue& operator=(const bool value);
     KNXValue& operator=(const uint8_t value);
@@ -44,6 +46,8 @@ class KNXValue
     KNXValue& operator=(const double value);
     KNXValue& operator=(const char* value);
     KNXValue& operator=(const struct tm value);
+    KNXValue& operator=(const float value);
+
   private:
     
     bool boolValue() const;
@@ -88,7 +92,7 @@ class KNXValue
         LongType,
         DoubleType,
         StringType,
-        TimeType
+        TimeType,
     };
 
     ValueType _type;

visualstudio/knx-bme680.vgdbproj

@@ -224,6 +224,7 @@
       </DebugSettingsOverride>
       <BuildSettingsExtension xsi:type="com.visualgdb.build.external.arduino.extension">
         <BoardID>esp8266:esp8266:nodemcuv2</BoardID>
+        <COMPort>COM4</COMPort>
         <Properties>
           <Entries>
             <KeyValue>
@@ -240,7 +241,7 @@
             </KeyValue>
             <KeyValue>
               <Key>ssl</Key>
-              <Value>all</Value>
+              <Value>basic</Value>
             </KeyValue>
             <KeyValue>
               <Key>eesz</Key>