examples: added rangefinder example

examples/RangeFinder/Makefile

@@ -0,0 +1,39 @@
+
+CANARD_BASE=../..
+
+CC=gcc
+CFLAGS = -g -Wall -Idsdl_generated/include -I$(CANARD_BASE) -I$(CANARD_BASE)/drivers/linux
+
+LIBS=$(CANARD_BASE)/canard.c -lm
+
+# add socketcan and multicast drivers for linux
+LIBS+=$(CANARD_BASE)/drivers/socketcan/socketcan.c
+LIBS+=$(CANARD_BASE)/drivers/mcast/mcast.c
+LIBS+=$(CANARD_BASE)/drivers/linux/linux.c
+
+# add in generated code
+LIBS+=dsdl_generated/src/uavcan.protocol.NodeStatus.c
+LIBS+=dsdl_generated/src/uavcan.protocol.GetNodeInfo_res.c
+LIBS+=dsdl_generated/src/uavcan.equipment.range_sensor.Measurement.c
+LIBS+=dsdl_generated/src/uavcan.protocol.dynamic_node_id.Allocation.c
+LIBS+=dsdl_generated/src/uavcan.protocol.param.GetSet_req.c
+LIBS+=dsdl_generated/src/uavcan.protocol.param.GetSet_res.c
+LIBS+=dsdl_generated/src/uavcan.protocol.param.ExecuteOpcode_req.c
+LIBS+=dsdl_generated/src/uavcan.protocol.param.ExecuteOpcode_res.c
+
+all: rangefinder
+
+DSDL:
+	git clone --depth 1 https://github.com/DroneCAN/DSDL
+
+dronecan_dsdlc:
+	git clone --depth 1 https://github.com/DroneCAN/dronecan_dsdlc
+
+dsdl_generated: DSDL dronecan_dsdlc
+	python3 dronecan_dsdlc/dronecan_dsdlc.py -O dsdl_generated DSDL/dronecan DSDL/uavcan DSDL/com DSDL/ardupilot
+
+rangefinder: dsdl_generated rangefinder.c $(LIBS)
+	$(CC) -o rangefinder rangefinder.c $(LIBS) $(CFLAGS)
+
+clean:
+	rm -rf rangefinder DSDL dsdl_generated dronecan_dsdlc