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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2014 The Android Open Source Project
      4  *  Copyright (C) 2003-2012 Broadcom Corporation
      5  *
      6  *  Licensed under the Apache License, Version 2.0 (the "License");
      7  *  you may not use this file except in compliance with the License.
      8  *  You may obtain a copy of the License at:
      9  *
     10  *  http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  *  Unless required by applicable law or agreed to in writing, software
     13  *  distributed under the License is distributed on an "AS IS" BASIS,
     14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  *  See the License for the specific language governing permissions and
     16  *  limitations under the License.
     17  *
     18  ******************************************************************************/
     19 
     20 /******************************************************************************
     21  *
     22  *  This is the main implementation file for the BTA MCE I/F
     23  *
     24  ******************************************************************************/
     25 
     26 #include <stddef.h>
     27 
     28 #include "bta_api.h"
     29 #include "bta_mce_api.h"
     30 #include "bta_mce_int.h"
     31 #include "bta_sys.h"
     32 
     33 /*****************************************************************************
     34  * Constants and types
     35  ****************************************************************************/
     36 
     37 tBTA_MCE_CB bta_mce_cb;
     38 
     39 /* state machine action enumeration list */
     40 #define BTA_MCE_NUM_ACTIONS (BTA_MCE_MAX_INT_EVT & 0x00ff)
     41 
     42 /* type for action functions */
     43 typedef void (*tBTA_MCE_ACTION)(tBTA_MCE_MSG* p_data);
     44 
     45 /* action function list */
     46 const tBTA_MCE_ACTION bta_mce_action[] = {
     47     bta_mce_enable,                   /* BTA_MCE_API_ENABLE_EVT */
     48     bta_mce_get_remote_mas_instances, /* BTA_MCE_API_GET_REMOTE_MAS_INSTANCES_EVT
     49                                          */
     50 };
     51 
     52 /*******************************************************************************
     53  *
     54  * Function         bta_mce_sm_execute
     55  *
     56  * Description      State machine event handling function for MCE
     57  *
     58  *
     59  * Returns          void
     60  *
     61  ******************************************************************************/
     62 bool bta_mce_sm_execute(BT_HDR* p_msg) {
     63   if (p_msg == NULL) return false;
     64 
     65   bool ret = false;
     66   uint16_t action = (p_msg->event & 0x00ff);
     67 
     68   /* execute action functions */
     69   if (action < BTA_MCE_NUM_ACTIONS) {
     70     (*bta_mce_action[action])((tBTA_MCE_MSG*)p_msg);
     71     ret = true;
     72   }
     73 
     74   return (ret);
     75 }
     76