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 *******************************************************************************/
bta_mce_sm_execute(BT_HDR * p_msg)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