529331c4cb
This is required to make sure that the constants in gps.h does not ever go out of sync with the enums created out of them in the HAL interface definition. Test: mm Change-Id: I103cf46d198e9f5de9e0cfd64f2795f0094ecb39
56 lines
2.1 KiB
Text
56 lines
2.1 KiB
Text
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.gnss@1.0;
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import IGnssNavigationMessageCallback;
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/*
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* Extended interface for GNSS navigation message reporting support.
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*/
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interface IGnssNavigationMessage {
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@export(name="", value_prefix="GPS_NAVIGATION_MESSAGE_")
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enum GnssNavigationMessageStatus : int32_t {
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SUCCESS = 0,
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ERROR_ALREADY_INIT = -100,
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ERROR_GENERIC = -101
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};
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/*
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* Initializes the interface and registers the callback routines with the HAL.
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* After a successful call to 'setCallback' the HAL must begin to provide updates as
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* they become available.
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* @param callback handle to IGnssNavigationMessageCallack interface.
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*
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* @return initRet Returns SUCCESS if the operation
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* is successful.
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* Returns ERROR_ALREADY_INIT if a callback has
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* already been registered without a corresponding call to close().
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* Returns ERROR_GENERIC if any other error occurred. It is
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* expected that the HAL will not generate any updates upon returning
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* this error code.
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*/
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setCallback(IGnssNavigationMessageCallback callback) generates (GnssNavigationMessageStatus initRet);
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/*
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* Stops updates from the HAL, and unregisters the callback routines.
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* After a call to close(), the previously registered callbacks must be
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* considered invalid by the HAL.
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* If close() is invoked without a previous setCallback, this function must perform
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* no work.
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*/
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close();
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};
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