android10/system/bt/bta/include/bta_mce_api.h

/******************************************************************************
 *
 *  Copyright 2014 The Android Open Source Project
 *  Copyright 2006-2012 Broadcom Corporation
 *
 *  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.
 *
 ******************************************************************************/

/******************************************************************************
 *
 *  This is the public interface file the BTA MCE I/F
 *
 ******************************************************************************/
#ifndef BTA_MCE_API_H
#define BTA_MCE_API_H

#include "bt_target.h"
#include "bt_types.h"
#include "bta_api.h"
#include "btm_api.h"

/*****************************************************************************
 *  Constants and data types
 ****************************************************************************/
/* status values */
#define BTA_MCE_SUCCESS 0 /* Successful operation. */
#define BTA_MCE_FAILURE 1 /* Generic failure. */
#define BTA_MCE_BUSY 2    /* Temporarily can not handle this request. */

typedef uint8_t tBTA_MCE_STATUS;

/* MCE I/F callback events */
/* events received by tBTA_MCE_DM_CBACK */
#define BTA_MCE_ENABLE_EVT 0             /* MCE enabled */
#define BTA_MCE_MAS_DISCOVERY_COMP_EVT 1 /* SDP MAS discovery complete */
#define BTA_MCE_MAX_EVT 2                /* max number of MCE events */

#define BTA_MCE_MAX_MAS_INSTANCES 12

typedef uint16_t tBTA_MCE_EVT;

typedef struct {
  uint8_t scn;
  char* p_srv_name;
  uint16_t srv_name_len;
  uint8_t instance_id;
  uint8_t msg_type;
} tBTA_MCE_MAS_INFO;

/* data associated with BTA_MCE_MAS_DISCOVERY_COMP_EVT */
typedef struct {
  tBTA_MCE_STATUS status;
  RawAddress remote_addr;
  int num_mas;
  tBTA_MCE_MAS_INFO mas[BTA_MCE_MAX_MAS_INSTANCES];
} tBTA_MCE_MAS_DISCOVERY_COMP;

/* union of data associated with MCE callback */
typedef union {
  tBTA_MCE_STATUS status; /* BTA_MCE_ENABLE_EVT */
  tBTA_MCE_MAS_DISCOVERY_COMP
      mas_disc_comp; /* BTA_MCE_MAS_DISCOVERY_COMP_EVT */
} tBTA_MCE;

/* MCE DM Interface callback */
typedef void(tBTA_MCE_DM_CBACK)(tBTA_MCE_EVT event, tBTA_MCE* p_data,
                                void* user_data);

/* MCE configuration structure */
typedef struct {
  uint16_t sdp_db_size;        /* The size of p_sdp_db */
  tSDP_DISCOVERY_DB* p_sdp_db; /* The data buffer to keep SDP database */
} tBTA_MCE_CFG;

/*****************************************************************************
 *  External Function Declarations
 ****************************************************************************/

/*******************************************************************************
 *
 * Function         BTA_MceEnable
 *
 * Description      Enable the MCE I/F service. When the enable
 *                  operation is complete the callback function will be
 *                  called with a BTA_MCE_ENABLE_EVT. This function must
 *                  be called before other functions in the MCE API are
 *                  called.
 *
 * Returns          BTA_MCE_SUCCESS if successful.
 *                  BTA_MCE_FAIL if internal failure.
 *
 ******************************************************************************/
extern tBTA_MCE_STATUS BTA_MceEnable(tBTA_MCE_DM_CBACK* p_cback);

/*******************************************************************************
 *
 * Function         BTA_MceGetRemoteMasInstances
 *
 * Description      This function performs service discovery for the MAS service
 *                  by the given peer device. When the operation is completed
 *                  the tBTA_MCE_DM_CBACK callback function will be  called with
 *                  a BTA_MCE_MAS_DISCOVERY_COMP_EVT.
 *
 * Returns          BTA_MCE_SUCCESS, if the request is being processed.
 *                  BTA_MCE_FAILURE, otherwise.
 *
 ******************************************************************************/
extern tBTA_MCE_STATUS BTA_MceGetRemoteMasInstances(const RawAddress& bd_addr);

#endif /* BTA_MCE_API_H */