add magnetometer, barometer and imu

Author: PonomarevDA

ds015/service/barometer/_.0.1.dsdl

@@ -0,0 +1,7 @@
+# A generic barometer service.
+
+# PUBLISHED SUBJECT NAME  SUBJECT TYPE
+# static_pressure         uavcan.si.unit.pressure.Scalar
+# static_temperature      uavcan.si.unit.temperature.Scalar
+
+@extent 0  # This type is not intended for runtime use.

ds015/service/imu/_.0.1.dsdl

@@ -0,0 +1,7 @@
+# A generic Inertial measurement unit service.
+
+# PUBLISHED SUBJECT NAME  SUBJECT TYPE
+# gyroscope               uavcan.si.unit.angular_velocity.Vector3
+# accelerometer           uavcan.si.unit.acceleration.Vector3
+
+@extent 0  # This type is not intended for runtime use.

ds015/service/magnetometer/_.0.1.dsdl

@@ -0,0 +1,6 @@
+# A generic magnetometer sensor device, in body frame.
+
+# PUBLISHED SUBJECT NAME  SUBJECT TYPE
+# magnetic_field          uavcan.si.unit.magnetic_field_strength.Vector3
+
+@extent 0  # This type is not intended for runtime use.