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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 #include "bta_api.h"
     28 #include "bta_sys.h"
     29 #include "bta_mce_api.h"
     30 #include "bta_mce_int.h"
     31 
     32 /*****************************************************************************
     33 ** Constants and types
     34 *****************************************************************************/
     35 
     36 #if BTA_DYNAMIC_MEMORY == FALSE
     37 tBTA_MCE_CB bta_mce_cb;
     38 #endif
     39 
     40 /* state machine action enumeration list */
     41 #define BTA_MCE_NUM_ACTIONS  (BTA_MCE_MAX_INT_EVT & 0x00ff)
     42 
     43 /* type for action functions */
     44 typedef void (*tBTA_MCE_ACTION)(tBTA_MCE_MSG *p_data);
     45 
     46 /* action function list */
     47 const tBTA_MCE_ACTION bta_mce_action[] =
     48 {
     49     bta_mce_enable,                    /* BTA_MCE_API_ENABLE_EVT */
     50     bta_mce_get_remote_mas_instances,  /* BTA_MCE_API_GET_REMOTE_MAS_INSTANCES_EVT */
     51 };
     52 
     53 /*******************************************************************************
     54 **
     55 ** Function         bta_mce_sm_execute
     56 **
     57 ** Description      State machine event handling function for MCE
     58 **
     59 **
     60 ** Returns          void
     61 **
     62 *******************************************************************************/
     63 BOOLEAN bta_mce_sm_execute(BT_HDR *p_msg)
     64 {
     65     if(p_msg == NULL) return FALSE;
     66 
     67     BOOLEAN ret = FALSE;
     68     UINT16 action = (p_msg->event & 0x00ff);
     69 
     70     /* execute action functions */
     71     if(action < BTA_MCE_NUM_ACTIONS)
     72     {
     73         (*bta_mce_action[action])((tBTA_MCE_MSG*)p_msg);
     74         ret = TRUE;
     75     }
     76 
     77     return(ret);
     78 }
     79