Add getTemperature method

uvoscam.cpp

@@ -397,6 +397,23 @@ bool Camera::setExposureTime(uint64_t us)
 	return !error;
 }
 
+bool Camera::getTemperature(double& temperature)
+{
+	GError* error = nullptr;
+	bool temperatureAvailable = arv_camera_is_feature_available(aCamera_, "DeviceTemperature", &error);
+	if(error || !temperatureAvailable )
+		return false;
+	
+	temperature = arv_device_get_float_feature_value(arv_camera_get_device(aCamera_), "DeviceTemperature", &error);
+	
+	if(error)
+	{
+		Log(Log::WARN)<<error->message;
+		return false;
+	}
+	return true;
+}
+
 uint64_t Camera::getExposureTime()
 {
 	GError* error = nullptr;

uvoscam.h

@@ -40,7 +40,7 @@ public:
 	class Description
 	{
 	private:
-		size_t hash = 0;
+		uint64_t hash = 0;
 		std::string vendor_;
 		std::string serial_;
 		std::string model_;
@@ -53,7 +53,7 @@ public:
 			hash = std::hash<std::string>{}(vendor_ + serial_ + model_);
 		}
 		
-		size_t getId() const
+		uint64_t getId() const
 		{
 			return hash;
 		}
@@ -172,6 +172,7 @@ public:
 	bool startAcquisition();
 	bool stopAcquisition();
 	bool setMtu(int mtu);
+	bool getTemperature(double& temperature);
 	void getSize(unsigned int* x, unsigned int* y);
 	void setBayerMode(Camera::BayerMode mode);
 	Camera::BayerMode getBayerMode();