Applications: Added OpenViBE->VRPN tutorial example

applications/examples/openvibe-to-vrpn/CMakeLists.txt

+PROJECT(openvibe-examples-openvibe-to-vrpn)
+
+SET(PROJECT_VERSION_MAJOR ${OV_GLOBAL_VERSION_MAJOR})
+SET(PROJECT_VERSION_MINOR ${OV_GLOBAL_VERSION_MINOR})
+SET(PROJECT_VERSION_PATCH ${OV_GLOBAL_VERSION_PATCH})
+SET(PROJECT_VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH})
+
+INCLUDE("FindThirdPartyVRPN_Check")
+IF(NOT PATH_VRPN)
+	MESSAGE(STATUS "    --> Not building ${PROJECT_NAME}")
+	RETURN()
+ENDIF(NOT PATH_VRPN)
+
+FILE(GLOB_RECURSE source_files src/*.cpp src/*.h src/*.hpp src/*.inl include/*.h)
+INCLUDE_DIRECTORIES(include)
+
+ADD_EXECUTABLE(${PROJECT_NAME} ${source_files})
+
+INCLUDE("FindThirdPartyVRPN")
+
+# ---------------------------------
+# Target macros
+# Defines target operating system
+# Defines target architecture
+# Defines target compiler
+# ---------------------------------
+IF(WIN32)
+	ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
+	ADD_DEFINITIONS(-DTARGET_OS_Windows)
+	ADD_DEFINITIONS(-DTARGET_ARCHITECTURE_i386)
+	ADD_DEFINITIONS(-DTARGET_COMPILER_VisualStudio)
+ENDIF(WIN32)
+IF(UNIX)
+	# ADD_DEFINITIONS(-fvisibility=hidden) # This flag should be present... man gcc
+	ADD_DEFINITIONS(-g)
+	ADD_DEFINITIONS(-fnon-call-exceptions)
+	ADD_DEFINITIONS(-DTARGET_OS_Linux)
+	ADD_DEFINITIONS(-DTARGET_ARCHITECTURE_i386)
+	ADD_DEFINITIONS(-DTARGET_COMPILER_GCC)
+ENDIF(UNIX)
+
+# ----------------------
+# Generate launch script
+# ----------------------
+OV_INSTALL_LAUNCH_SCRIPT("openvibe-examples-openvibe-to-vrpn")
+
+# -----------------------------
+# Install files
+# -----------------------------
+INSTALL(TARGETS ${PROJECT_NAME}
+	RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_BINDIR}
+	LIBRARY DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}
+	ARCHIVE DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR})
+
+INSTALL(DIRECTORY box-tutorials/ DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/openvibe/scenarios/box-tutorials   PATTERN ".svn" EXCLUDE)
+
+#INSTALL(DIRECTORY include/   DESTINATION ${CMAKE_INSTALL_FULL_INCLUDEDIR}/ FILES_MATCHING PATTERN "*.h" PATTERN ".svn" EXCLUDE)

applications/examples/openvibe-to-vrpn/src/vrpn-receiver.cpp

+/*
+ * Receives data from OpenViBE's VRPN boxes
+ *
+ * See here: http://openvibe.inria.fr/vrpn-tutorial-sending-data-from-openvibe-to-an-external-application/
+ *
+ */
+
+#include <iostream>
+ 
+#include <vrpn_Button.h>
+#include <vrpn_Analog.h>
+ 
+void VRPN_CALLBACK vrpn_button_callback(void* user_data, vrpn_BUTTONCB button)
+{
+    std::cout << "Button ID : " << button.button << " / Button State : " << button.state << std::endl;
+ 
+    if (button.button == 1)
+    {
+        *(bool*)user_data = false;
+    }
+}
+ 
+void VRPN_CALLBACK vrpn_analog_callback(void* user_data, vrpn_ANALOGCB analog)
+{
+    for (int i = 0; i < analog.num_channel; i++)
+    {
+        std::cout << "Analog Channel : " << i << " / Analog Value : " << analog.channel[i] << std::endl;
+    }
+}
+ 
+int main(int argc, char** argv)
+{
+    /* flag used to stop the program execution */
+    bool running = true;
+ 
+    /* VRPN Button object */
+    vrpn_Button_Remote* VRPNButton;
+ 
+    /* Binding of the VRPN Button to a callback */
+    VRPNButton = new vrpn_Button_Remote( "openvibe_vrpn_button@localhost" );
+    VRPNButton->register_change_handler( &running, vrpn_button_callback );
+ 
+    /* VRPN Analog object */
+    vrpn_Analog_Remote* VRPNAnalog;
+ 
+    /* Binding of the VRPN Analog to a callback */
+    VRPNAnalog = new vrpn_Analog_Remote( "openvibe_vrpn_analog@localhost" );
+    VRPNAnalog->register_change_handler( NULL, vrpn_analog_callback );
+ 
+    /* The main loop of the program, each VRPN object must be called in order to process data */
+    while (running)
+    {
+        VRPNButton->mainloop();
+    }
+ 
+    return 0;
+}