metadata: add extract_events target

This will collect the events from the whole source tree

Makefile

@@ -320,7 +320,7 @@ coverity_scan: px4_sitl_default
 
 # Documentation
 # --------------------------------------------------------------------
-.PHONY: parameters_metadata airframe_metadata module_documentation px4_metadata doxygen
+.PHONY: parameters_metadata airframe_metadata module_documentation extract_events px4_metadata doxygen
 
 parameters_metadata:
 	@$(MAKE) --no-print-directory px4_sitl_default metadata_parameters ver_gen
@@ -331,7 +331,10 @@ airframe_metadata:
 module_documentation:
 	@$(MAKE) --no-print-directory px4_sitl_default metadata_module_documentation
 
-px4_metadata: parameters_metadata airframe_metadata module_documentation
+extract_events:
+	@$(MAKE) --no-print-directory px4_sitl_default metadata_extract_events ver_gen
+
+px4_metadata: parameters_metadata airframe_metadata module_documentation extract_events
 
 doxygen:
 	@mkdir -p "$(SRC_DIR)"/build/doxygen

cmake/metadata.cmake

@@ -79,9 +79,27 @@ add_custom_target(metadata_module_documentation
 	USES_TERMINAL
 )
 
+set(events_src_path "${PX4_SOURCE_DIR}/src/lib/events")
+add_custom_target(metadata_extract_events
+	COMMAND ${PYTHON_EXECUTABLE} ${PX4_SOURCE_DIR}/Tools/px_process_events.py
+		--src-path ${PX4_SOURCE_DIR}/src
+		--json ${PX4_BINARY_DIR}/events/px4_full.json #--verbose
+	COMMAND ${PYTHON_EXECUTABLE} ${events_src_path}/libevents/scripts/combine.py
+		${PX4_BINARY_DIR}/events/px4_full.json
+		${events_src_path}/libevents/events/common.json
+		--output ${PX4_BINARY_DIR}/events/all_events_full.json
+	COMMAND ${PYTHON_EXECUTABLE} ${events_src_path}/libevents/scripts/validate.py
+		${PX4_BINARY_DIR}/events/all_events_full.json
+	COMMAND ${PYTHON_EXECUTABLE} ${PX4_SOURCE_DIR}/Tools/compress.py
+		${PX4_BINARY_DIR}/events/all_events_full.json
+	COMMENT "Extracting events from full source"
+	USES_TERMINAL
+)
+
 add_custom_target(all_metadata
 	DEPENDS
 		metadata_airframes
 		metadata_parameters
 		metadata_module_documentation
+		metadata_extract_events
 )