Add input capture module

Copy camera capture module as input capture
F

msg/CMakeLists.txt

@@ -111,6 +111,7 @@ set(msg_files
 	HeaterStatus.msg
 	HomePosition.msg
 	HoverThrustEstimate.msg
+	InputCapture.msg
 	InputRc.msg
 	InternalCombustionEngineStatus.msg
 	IridiumsbdStatus.msg

msg/InputCapture.msg

@@ -0,0 +1,5 @@
+uint64 timestamp	# time since system start (microseconds)
+uint64 timestamp_sample # the timestamp of the raw data (microseconds)
+uint32 seq		# Capture sequence number
+
+uint32 ORB_QUEUE_LENGTH = 2