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-/*
- * 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.
- */
-
-#ifndef _CHRE_NANOAPP_H_
-#define _CHRE_NANOAPP_H_
-
-/**
- * @file
- * Methods in the Context Hub Runtime Environment which must be implemented
- * by the nanoapp.
- */
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * Method invoked by the CHRE when loading the nanoapp.
- *
- * Every CHRE method is legal to call from this method.
- *
- * @return 'true' if the nanoapp successfully started. 'false' if the nanoapp
- * failed to properly initialize itself (for example, could not obtain
- * sufficient memory from the heap). If this method returns 'false', the
- * nanoapp will be unloaded by the CHRE (and nanoappEnd will
- * _not_ be invoked in that case).
- * @see nanoappEnd
- */
-bool nanoappStart(void);
-
-/**
- * Method invoked by the CHRE when there is an event for this nanoapp.
- *
- * Every CHRE method is legal to call from this method.
- *
- * @param senderInstanceId The Instance ID for the source of this event.
- * Note that this may be CHRE_INSTANCE_ID, indicating that the event
- * was generated by the CHRE.
- * @param eventType The event type. This might be one of the CHRE_EVENT_*
- * types defined in this API. But it might also be a user-defined event.
- * @param eventData The associated data, if any, for this specific type of
- * event. From the nanoapp's perspective, this eventData's lifetime ends
- * when this method returns, and thus any data the nanoapp wishes to
- * retain must be copied. Note that interpretation of event data is
- * given by the event type, and for some events may not be a valid
- * pointer. See documentation of the specific CHRE_EVENT_* types for how to
- * interpret this data for those. Note that for user events, you will
- * need to establish what this data means.
- */
-void nanoappHandleEvent(uint32_t senderInstanceId, uint16_t eventType,
- const void *eventData);
-
-/**
- * Method invoked by the CHRE when unloading the nanoapp.
- *
- * It is not valid to attempt to send events or messages, or to invoke functions
- * which will generate events to this app, within the nanoapp implementation of
- * this function. That means it is illegal for the nanoapp invoke any of the
- * following:
- *
- * - chreSendEvent()
- * - chreSendMessageToHost()
- * - chreSensorConfigure()
- * - chreSensorConfigureModeOnly()
- * - chreTimerSet()
- * - etc.
- *
- * @see nanoappStart
- */
-void nanoappEnd(void);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _CHRE_NANOAPP_H_ */