Initial HIDL vehicle HAL
Bug: b/31803520
Test: writing a test client in upcoming CLs
Change-Id: I050ab2d764f4550c5d0417c892d05d95472c9b7f
diff --git a/vehicle/2.0/IVehicleCallback.hal b/vehicle/2.0/IVehicleCallback.hal
new file mode 100644
index 0000000..1e9034f
--- /dev/null
+++ b/vehicle/2.0/IVehicleCallback.hal
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.vehicle@2.0;
+
+interface IVehicleCallback {
+
+ /*
+ * Event callback happens whenever a variable that the API user has
+ * subscribed to needs to be reported. This may be based purely on
+ * threshold and frequency (a regular subscription, see subscribe call's
+ * arguments) or when the IVehicle#set method was called and the actual
+ * change needs to be reported.
+ *
+ * These callbacks are chunked.
+ *
+ * @param values that has been updated.
+ */
+ onPropertyEvent(vec<VehiclePropValue> propValues);
+
+ /*
+ * This method gets called if the client was susbscribed to a property using
+ * SubscribeFlags::SET_CALL flag and IVehicle#set(...) method was called.
+ *
+ * These events must be delivered to subscriber immediately without any
+ * batching.
+ *
+ * @param value Value that was set by a client.
+ */
+ onPropertySet(VehiclePropValue propValue);
+
+ /*
+ * Called by HAL server when error condition has occurred.
+ *
+ * @param errorCode - any value from StatusCode enum.
+ * @parm property - a property where error has happened. If this is
+ * a generic error, this value should be VehicleProperty::INVALID.
+ * @param operation Represent the operation where the error has happened.
+ */
+ onError(StatusCode errorCode,
+ VehicleProperty propId,
+ VehiclePropertyOperation operation);
+};