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
35 tBTA_DM_CB bta_dm_cb;
36 tBTA_DM_SEARCH_CB bta_dm_search_cb;
37 tBTA_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 */
44 typedef void (*tBTA_DM_ACTION)(tBTA_DM_MSG *p_data);
45
46 /* action function list */
47 const 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_acl_change, /* 8 BTA_DM_ACL_CHANGE_EVT */
56 bta_dm_add_device, /* 9 BTA_DM_API_ADD_DEVICE_EVT */
57 bta_dm_close_acl, /* 10 BTA_DM_API_ADD_DEVICE_EVT */
58
59 /* security API events */
60 bta_dm_bond, /* 11 BTA_DM_API_BOND_EVT */
61 bta_dm_bond_cancel, /* 12 BTA_DM_API_BOND_CANCEL_EVT */
62 bta_dm_pin_reply, /* 13 BTA_DM_API_PIN_REPLY_EVT */
63
64 /* power manger events */
65 bta_dm_pm_btm_status, /* 16 BTA_DM_PM_BTM_STATUS_EVT */
66 bta_dm_pm_timer, /* 17 BTA_DM_PM_TIMER_EVT*/
67
68 /* simple pairing events */
69 bta_dm_confirm, /* 18 BTA_DM_API_CONFIRM_EVT */
70
71 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */
72
73 /* out of band pairing events */
74 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */
75 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */
76 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */
77
78
79 #if BLE_INCLUDED == TRUE
80 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */
81 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */
82 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */
83 bta_dm_ble_confirm_reply, /* BTA_DM_API_BLE_CONFIRM_REPLY_EVT */
84 bta_dm_security_grant,
85 bta_dm_ble_set_bg_conn_type,
86 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */
87 bta_dm_ble_set_conn_scan_params, /* BTA_DM_API_BLE_CONN_SCAN_PARAM_EVT */
88 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */
89 bta_dm_ble_observe,
90 bta_dm_ble_update_conn_params, /* BTA_DM_API_UPDATE_CONN_PARAM_EVT */
91 #if BLE_PRIVACY_SPT == TRUE
92 bta_dm_ble_config_local_privacy, /* BTA_DM_API_LOCAL_PRIVACY_EVT */
93 #endif
94 bta_dm_ble_set_adv_params, /* BTA_DM_API_BLE_ADV_PARAM_EVT */
95 bta_dm_ble_set_adv_config, /* BTA_DM_API_BLE_SET_ADV_CONFIG_EVT */
96 bta_dm_ble_set_scan_rsp, /* BTA_DM_API_BLE_SET_SCAN_RSPT */
97 bta_dm_ble_broadcast, /* BTA_DM_API_BLE_BROADCAST_EVT */
98 bta_dm_ble_set_data_length, /* BTA_DM_API_SET_DATA_LENGTH_EVT */
99 #if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
100 bta_dm_cfg_filter_cond, /* BTA_DM_API_CFG_FILTER_COND_EVT */
101 bta_dm_scan_filter_param_setup, /* BTA_DM_API_SCAN_FILTER_SETUP_EVT */
102 bta_dm_enable_scan_filter, /* BTA_DM_API_SCAN_FILTER_ENABLE_EVT */
103 #endif
104 bta_dm_ble_multi_adv_enb, /* BTA_DM_API_BLE_MULTI_ADV_ENB_EVT*/
105 bta_dm_ble_multi_adv_upd_param, /* BTA_DM_API_BLE_MULTI_ADV_PARAM_UPD_EVT */
106 bta_dm_ble_multi_adv_data, /* BTA_DM_API_BLE_MULTI_ADV_DATA_EVT */
107 btm_dm_ble_multi_adv_disable, /* BTA_DM_API_BLE_MULTI_ADV_DISABLE_EVT */
108 bta_dm_ble_setup_storage, /* BTA_DM_API_BLE_SETUP_STORAGE_EVT */
109 bta_dm_ble_enable_batch_scan, /* BTA_DM_API_BLE_ENABLE_BATCH_SCAN_EVT */
110 bta_dm_ble_disable_batch_scan, /* BTA_DM_API_BLE_DISABLE_BATCH_SCAN_EVT */
111 bta_dm_ble_read_scan_reports, /* BTA_DM_API_BLE_READ_SCAN_REPORTS_EVT */
112 bta_dm_ble_track_advertiser, /* BTA_DM_API_BLE_TRACK_ADVERTISER_EVT */
113 bta_dm_ble_get_energy_info, /* BTA_DM_API_BLE_ENERGY_INFO_EVT */
114 #endif
115
116 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */
117 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */
118 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */
119
120 bta_dm_remove_all_acl, /* BTA_DM_API_REMOVE_ALL_ACL_EVT */
121 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */
122 };
123
124
125
126 /* state machine action enumeration list */
127 enum
128 {
129 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */
130 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */
131 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */
132 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */
133 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */
134 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */
135 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/
136 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */
137 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */
138 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */
139 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */
140 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */
141 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */
142 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */
143 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */
144 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */
145 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */
146 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */
147 #if BLE_INCLUDED == TRUE
148 BTA_DM_CLOSE_GATT_CONN, /* 18 bta_dm_close_gatt_conn */
149 #endif
150 BTA_DM_SEARCH_NUM_ACTIONS /* 19 */
151 };
152
153
154 /* action function list */
155 const tBTA_DM_ACTION bta_dm_search_action[] =
156 {
157
158 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */
159 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */
160 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */
161 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */
162 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */
163 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */
164 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */
165 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */
166 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */
167 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */
168 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */
169 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */
170 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */
171 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */
172 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */
173 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */
174 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */
175 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */
176 #if BLE_INCLUDED == TRUE
177 ,bta_dm_close_gatt_conn
178 #endif
179 };
180
181 #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS
182 /* state table information */
183 #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */
184 #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */
185 #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */
186
187
188
189 /* state table for listen state */
190 const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] =
191 {
192
193 /* Event Action 1 Action 2 Next State */
194 /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
195 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
196 /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
197 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
198 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
199 /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
200 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
201 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
202 /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
203 #if BLE_INCLUDED == TRUE
204 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}
205 #endif
206 };
207 const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
208 {
209
210 /* Event Action 1 Action 2 Next State */
211 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
212 /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
213 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
214 /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
215 /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
216 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
217 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
218 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
219 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
220 #if BLE_INCLUDED == TRUE
221 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
222 #endif
223
224 };
225
226 const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] =
227 {
228
229 /* Event Action 1 Action 2 Next State */
230 /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
231 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING},
232 /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
233 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
234 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
235 /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
236 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
237 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
238 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}
239 #if BLE_INCLUDED == TRUE
240 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}
241 #endif
242
243 };
244
245 const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
246 {
247
248 /* Event Action 1 Action 2 Next State */
249 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
250 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
251 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
252 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
253 /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
254 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
255 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
256 /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
257 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}
258
259 #if BLE_INCLUDED == TRUE
260 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}
261 #endif
262 };
263
264 typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS];
265
266 /* state table */
267 const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = {
268 bta_dm_search_idle_st_table,
269 bta_dm_search_search_active_st_table,
270 bta_dm_search_search_cancelling_st_table,
271 bta_dm_search_disc_active_st_table
272 };
273
274
275 /*******************************************************************************
276 **
277 ** Function bta_dm_sm_disable
278 **
279 ** Description unregister BTA DM
280 **
281 **
282 ** Returns void
283 **
284 *******************************************************************************/
bta_dm_sm_disable()285 void bta_dm_sm_disable( )
286 {
287 bta_sys_deregister( BTA_ID_DM );
288 }
289
290
291 /*******************************************************************************
292 **
293 ** Function bta_dm_sm_execute
294 **
295 ** Description State machine event handling function for DM
296 **
297 **
298 ** Returns void
299 **
300 *******************************************************************************/
bta_dm_sm_execute(BT_HDR * p_msg)301 BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg)
302 {
303 UINT16 event = p_msg->event & 0x00ff;
304
305 APPL_TRACE_EVENT("bta_dm_sm_execute event:0x%x", event);
306
307 /* execute action functions */
308 if(event < BTA_DM_NUM_ACTIONS)
309 {
310 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg);
311 }
312
313 return TRUE;
314 }
315
316 /*******************************************************************************
317 **
318 ** Function bta_dm_sm_search_disable
319 **
320 ** Description unregister BTA SEARCH DM
321 **
322 **
323 ** Returns void
324 **
325 *******************************************************************************/
bta_dm_search_sm_disable()326 void bta_dm_search_sm_disable( )
327 {
328 bta_sys_deregister( BTA_ID_DM_SEARCH );
329
330 }
331
332
333 /*******************************************************************************
334 **
335 ** Function bta_dm_search_sm_execute
336 **
337 ** Description State machine event handling function for DM
338 **
339 **
340 ** Returns void
341 **
342 *******************************************************************************/
bta_dm_search_sm_execute(BT_HDR * p_msg)343 BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg)
344 {
345 tBTA_DM_ST_TBL state_table;
346 UINT8 action;
347 int i;
348
349 APPL_TRACE_EVENT("bta_dm_search_sm_execute state:%d, event:0x%x",
350 bta_dm_search_cb.state, p_msg->event);
351
352 /* look up the state table for the current state */
353 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state];
354
355 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE];
356
357
358 /* execute action functions */
359 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++)
360 {
361 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE)
362 {
363 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg);
364 }
365 else
366 {
367 break;
368 }
369 }
370 return TRUE;
371 }
372
373