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gerrit-public.fairphone.software / platform / system / bt / 5738f83aeb59361a0a2eda2460113f6dc9194271 / . / bta / dm / bta_dm_main.c
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The Android Open Source Project5738f832012-12-12 16:00:35 -0800[diff] [blame^]1/******************************************************************************
2 *
3 * Copyright (C) 2003-2012 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/******************************************************************************
20 *
21 * This is the main implementation file for the BTA device manager.
22 *
23 ******************************************************************************/
24
25#include "bta_api.h"
26#include "bta_sys.h"
27#include "bta_dm_int.h"
28
29
30/*****************************************************************************
31** Constants and types
32*****************************************************************************/
33
34#if BTA_DYNAMIC_MEMORY == FALSE
35tBTA_DM_CB bta_dm_cb;
36tBTA_DM_SEARCH_CB bta_dm_search_cb;
37tBTA_DM_DI_CB bta_dm_di_cb;
38#endif
39
40
41#define BTA_DM_NUM_ACTIONS (BTA_DM_MAX_EVT & 0x00ff)
42
43/* type for action functions */
44typedef void (*tBTA_DM_ACTION)(tBTA_DM_MSG *p_data);
45
46/* action function list */
47const tBTA_DM_ACTION bta_dm_action[] =
48{
49
50 /* device manager local device API events */
51 bta_dm_enable, /* 0 BTA_DM_API_ENABLE_EVT */
52 bta_dm_disable, /* 1 BTA_DM_API_DISABLE_EVT */
53 bta_dm_set_dev_name, /* 2 BTA_DM_API_SET_NAME_EVT */
54 bta_dm_set_visibility, /* 3 BTA_DM_API_SET_VISIBILITY_EVT */
55 bta_dm_set_afhchannels, /* 4 BTA_DM_API_SET_AFH_CHANNELS_EVT */
56 bta_dm_signal_strength, /* 5 BTA_API_DM_SIG_STRENGTH_EVT */
57 bta_dm_vendor_spec_command,/* 6 BTA_DM_API_VENDOR_SPECIFIC_COMMAND_EVT */
58 bta_dm_tx_inqpower, /* 7 BTA_DM_API_SIG_STRENGTH_EVT */
59 bta_dm_acl_change, /* 8 BTA_DM_ACL_CHANGE_EVT */
60 bta_dm_add_device, /* 9 BTA_DM_API_ADD_DEVICE_EVT */
61
62 /* security API events */
63 bta_dm_bond, /* 10 BTA_DM_API_BOND_EVT */
64 bta_dm_bond_cancel, /* 11 BTA_DM_API_BOND_CANCEL_EVT */
65 bta_dm_pin_reply, /* 12 BTA_DM_API_PIN_REPLY_EVT */
66 bta_dm_link_policy, /* 13 BTA_DM_API_LINK_POLICY_EVT */
67 bta_dm_auth_reply, /* 14 BTA_DM_API_AUTH_REPLY_EVT */
68
69 /* power manger events */
70 bta_dm_pm_btm_status, /* 15 BTA_DM_PM_BTM_STATUS_EVT */
71 bta_dm_pm_timer, /* 16 BTA_DM_PM_TIMER_EVT*/
72
73 /* simple pairing events */
74 bta_dm_confirm, /* 17 BTA_DM_API_CONFIRM_EVT */
75
76 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */
77
78#if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE)
79 bta_dm_passkey_cancel, /* 19 BTA_DM_API_PASKY_CANCEL_EVT */
80#endif
81#if (BTM_OOB_INCLUDED == TRUE)
82 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */
83 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */
84 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */
85#endif /* BTM_OOB_INCLUDED */
86
87 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */
88
89#if BLE_INCLUDED == TRUE
90 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */
91 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */
92 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */
93 bta_dm_security_grant,
94 bta_dm_ble_set_bg_conn_type,
95 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */
96 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */
97#endif
98
99#if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0)
100 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */
101#endif
102#if (BTM_EIR_SERVER_INCLUDED == TRUE)
103 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */
104#endif
105
106 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */
107 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */
108 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */
109 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */
110};
111
112
113
114/* state machine action enumeration list */
115enum
116{
117 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */
118 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */
119 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */
120 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */
121 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */
122 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */
123 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/
124 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */
125 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */
126 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */
127 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */
128 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */
129 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */
130 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */
131 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */
132 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */
133 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */
134 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */
135 BTA_DM_SEARCH_NUM_ACTIONS /* 18 */
136};
137
138
139/* action function list */
140const tBTA_DM_ACTION bta_dm_search_action[] =
141{
142
143 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */
144 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */
145 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */
146 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */
147 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */
148 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */
149 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */
150 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */
151 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */
152 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */
153 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */
154 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */
155 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */
156 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */
157 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */
158 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */
159 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */
160 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */
161};
162
163#define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS
164/* state table information */
165#define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */
166#define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */
167#define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */
168
169
170
171/* state table for listen state */
172const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] =
173{
174
175/* Event Action 1 Action 2 Next State */
176/* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
177/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
178/* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
179/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
180/* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
181/* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
182/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
183/* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
184/* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
185
186};
187const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
188{
189
190/* Event Action 1 Action 2 Next State */
191/* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
192/* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
193/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
194/* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
195/* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
196/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
197/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
198/* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
199/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
200
201
202};
203
204const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] =
205{
206
207/* Event Action 1 Action 2 Next State */
208/* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
209/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING},
210/* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
211/* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
212/* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
213/* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
214/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
215/* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
216/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}
217
218
219};
220
221const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
222{
223
224/* Event Action 1 Action 2 Next State */
225/* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
226/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
227/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
228/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
229/* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
230/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
231/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
232/* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
233/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}
234
235};
236
237typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS];
238
239/* state table */
240const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = {
241 bta_dm_search_idle_st_table,
242 bta_dm_search_search_active_st_table,
243 bta_dm_search_search_cancelling_st_table,
244 bta_dm_search_disc_active_st_table
245};
246
247
248/*******************************************************************************
249**
250** Function bta_dm_sm_disable
251**
252** Description unregister BTA DM
253**
254**
255** Returns void
256**
257*******************************************************************************/
258void bta_dm_sm_disable( )
259{
260 bta_sys_deregister( BTA_ID_DM );
261}
262
263
264/*******************************************************************************
265**
266** Function bta_dm_sm_execute
267**
268** Description State machine event handling function for DM
269**
270**
271** Returns void
272**
273*******************************************************************************/
274BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg)
275{
276 UINT16 event = p_msg->event & 0x00ff;
277
278 APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event);
279
280 /* execute action functions */
281 if(event < BTA_DM_NUM_ACTIONS)
282 {
283 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg);
284 }
285
286 return TRUE;
287}
288
289/*******************************************************************************
290**
291** Function bta_dm_sm_search_disable
292**
293** Description unregister BTA SEARCH DM
294**
295**
296** Returns void
297**
298*******************************************************************************/
299void bta_dm_search_sm_disable( )
300{
301 bta_sys_deregister( BTA_ID_DM_SEARCH );
302
303}
304
305
306/*******************************************************************************
307**
308** Function bta_dm_search_sm_execute
309**
310** Description State machine event handling function for DM
311**
312**
313** Returns void
314**
315*******************************************************************************/
316BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg)
317{
318 tBTA_DM_ST_TBL state_table;
319 UINT8 action;
320 int i;
321
322 APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x",
323 bta_dm_search_cb.state, p_msg->event);
324
325 /* look up the state table for the current state */
326 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state];
327
328 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE];
329
330
331 /* execute action functions */
332 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++)
333 {
334 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE)
335 {
336 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg);
337 }
338 else
339 {
340 break;
341 }
342 }
343 return TRUE;
344}
345