1 /******************************************************************************
2 *
3 * Copyright (C) 2009-2013 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 #include <string.h>
20 #include "bt_target.h"
21 #include "bt_utils.h"
22 #include "gap_int.h"
23
24 /*******************************************************************************
25 **
26 ** Function gap_allocate_cb
27 **
28 ** Description Look through the GAP Control Blocks for a free one.
29 **
30 ** Returns Pointer to the control block or NULL if not found
31 **
32 *******************************************************************************/
gap_allocate_cb(void)33 tGAP_INFO *gap_allocate_cb (void)
34 {
35 tGAP_INFO *p_cb = &gap_cb.blk[0];
36 UINT8 x;
37
38 for (x = 0; x < GAP_MAX_BLOCKS; x++, p_cb++)
39 {
40 if (!p_cb->in_use)
41 {
42 memset (p_cb, 0, sizeof (tGAP_INFO));
43
44 p_cb->in_use = TRUE;
45 p_cb->index = x;
46 p_cb->p_data = (void *)NULL;
47 return (p_cb);
48 }
49 }
50
51 /* If here, no free control blocks found */
52 return (NULL);
53 }
54
55
56 /*******************************************************************************
57 **
58 ** Function gap_free_cb
59 **
60 ** Description Release GAP control block.
61 **
62 ** Returns Pointer to the control block or NULL if not found
63 **
64 *******************************************************************************/
gap_free_cb(tGAP_INFO * p_cb)65 void gap_free_cb (tGAP_INFO *p_cb)
66 {
67 if (p_cb)
68 {
69 p_cb->gap_cback = NULL;
70 p_cb->in_use = FALSE;
71 }
72 }
73
74
75 /*******************************************************************************
76 **
77 ** Function gap_is_service_busy
78 **
79 ** Description Look through the GAP Control Blocks that are in use
80 ** and check to see if the event waiting for is the command
81 ** requested.
82 **
83 ** Returns TRUE if already in use
84 ** FALSE if not busy
85 **
86 *******************************************************************************/
gap_is_service_busy(UINT16 request)87 BOOLEAN gap_is_service_busy (UINT16 request)
88 {
89 tGAP_INFO *p_cb = &gap_cb.blk[0];
90 UINT8 x;
91
92 for (x = 0; x < GAP_MAX_BLOCKS; x++, p_cb++)
93 {
94 if (p_cb->in_use && p_cb->event == request)
95 return (TRUE);
96 }
97
98 /* If here, service is not busy */
99 return (FALSE);
100 }
101
102
103 /*******************************************************************************
104 **
105 ** Function gap_convert_btm_status
106 **
107 ** Description Converts a BTM error status into a GAP error status
108 **
109 **
110 ** Returns GAP_UNKNOWN_BTM_STATUS is returned if not recognized
111 **
112 *******************************************************************************/
gap_convert_btm_status(tBTM_STATUS btm_status)113 UINT16 gap_convert_btm_status (tBTM_STATUS btm_status)
114 {
115 switch (btm_status)
116 {
117 case BTM_SUCCESS:
118 return (BT_PASS);
119
120 case BTM_CMD_STARTED:
121 return (GAP_CMD_INITIATED);
122
123 case BTM_BUSY:
124 return (GAP_ERR_BUSY);
125
126 case BTM_MODE_UNSUPPORTED:
127 case BTM_ILLEGAL_VALUE:
128 return (GAP_ERR_ILL_PARM);
129
130 case BTM_WRONG_MODE:
131 return (GAP_DEVICE_NOT_UP);
132
133 case BTM_UNKNOWN_ADDR:
134 return (GAP_BAD_BD_ADDR);
135
136 case BTM_DEVICE_TIMEOUT:
137 return (GAP_ERR_TIMEOUT);
138
139 default:
140 return (GAP_ERR_PROCESSING);
141 }
142 }
143