bt/bta/mce/bta_mce_main.cc

/******************************************************************************
 *
 *  Copyright (C) 2014 The Android Open Source Project
 *  Copyright (C) 2003-2012 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 main implementation file for the BTA MCE I/F
 *
 ******************************************************************************/

#include <stddef.h>

#include "bta_api.h"
#include "bta_mce_api.h"
#include "bta_mce_int.h"
#include "bta_sys.h"

/*****************************************************************************
 * Constants and types
 ****************************************************************************/

tBTA_MCE_CB bta_mce_cb;

/* state machine action enumeration list */
#define BTA_MCE_NUM_ACTIONS (BTA_MCE_MAX_INT_EVT & 0x00ff)

/* type for action functions */
typedef void (*tBTA_MCE_ACTION)(tBTA_MCE_MSG* p_data);

/* action function list */
const tBTA_MCE_ACTION bta_mce_action[] = {
    bta_mce_enable,                   /* BTA_MCE_API_ENABLE_EVT */
    bta_mce_get_remote_mas_instances, /* BTA_MCE_API_GET_REMOTE_MAS_INSTANCES_EVT
                                         */
};

/*******************************************************************************
 *
 * Function         bta_mce_sm_execute
 *
 * Description      State machine event handling function for MCE
 *
 *
 * Returns          void
 *
 ******************************************************************************/
bool bta_mce_sm_execute(BT_HDR* p_msg) {
  if (p_msg == NULL) return false;

  bool ret = false;
  uint16_t action = (p_msg->event & 0x00ff);

  /* execute action functions */
  if (action < BTA_MCE_NUM_ACTIONS) {
    (*bta_mce_action[action])((tBTA_MCE_MSG*)p_msg);
    ret = true;
  }

  return (ret);
}