UAVCAN as a submodule

.gitignore

@@ -36,6 +36,5 @@ mavlink/include/mavlink/v0.9/
 tags
 .tags_sorted_by_file
 .pydevproject
-/uavcan
 .ropeproject
 *.orig

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "NuttX"]
 	path = NuttX
 	url = git://github.com/PX4/NuttX.git
+[submodule "uavcan"]
+	path = uavcan
+	url = git://github.com/pavel-kirienko/uavcan.git

Makefile

@@ -212,6 +212,9 @@ endif
 $(NUTTX_SRC):
 	$(Q) (./Tools/check_submodules.sh)
 
+$(UAVCAN_DIR):
+	$(Q) (./Tools/check_submodules.sh)
+
 .PHONY: checksubmodules
 checksubmodules:
 	$(Q) (./Tools/check_submodules.sh)

Tools/check_submodules.sh

@@ -31,4 +31,20 @@ else
 	git submodule update;
 fi
 
+
+if [ -d uavcan/libuavcan_drivers ];
+then
+	STATUSRETVAL=$(git status --porcelain | grep -i uavcan)
+	if [ "$STATUSRETVAL" == "" ]; then
+		echo "Checked uavcan submodule, correct version found"
+	else
+		echo "uavcan sub repo not at correct version. Try 'make updatesubmodules'"
+		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
+		exit 1
+	fi
+else
+	git submodule init
+	git submodule update
+fi
+
 exit 0