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_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 bta_dm_close_acl, /* 10 BTA_DM_API_ADD_DEVICE_EVT */
62
63 /* security API events */
64 bta_dm_bond, /* 11 BTA_DM_API_BOND_EVT */
65 bta_dm_bond_cancel, /* 12 BTA_DM_API_BOND_CANCEL_EVT */
66 bta_dm_pin_reply, /* 13 BTA_DM_API_PIN_REPLY_EVT */
67 bta_dm_link_policy, /* 14 BTA_DM_API_LINK_POLICY_EVT */
68 bta_dm_auth_reply, /* 15 BTA_DM_API_AUTH_REPLY_EVT */
69
70 /* power manger events */
71 bta_dm_pm_btm_status, /* 16 BTA_DM_PM_BTM_STATUS_EVT */
72 bta_dm_pm_timer, /* 17 BTA_DM_PM_TIMER_EVT*/
73
74 /* simple pairing events */
75 bta_dm_confirm, /* 18 BTA_DM_API_CONFIRM_EVT */
76
77 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */
78
79 #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE)
80 bta_dm_passkey_cancel, /* 19 BTA_DM_API_PASKY_CANCEL_EVT */
81 #endif
82 #if (BTM_OOB_INCLUDED == TRUE)
83 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */
84 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */
85 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */
86 #endif /* BTM_OOB_INCLUDED */
87
88 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */
89
90 #if BLE_INCLUDED == TRUE
91 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */
92 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */
93 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */
94 bta_dm_security_grant,
95 bta_dm_ble_set_bg_conn_type,
96 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */
97 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */
98 bta_dm_ble_observe,
99 bta_dm_ble_set_adv_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */
100 bta_dm_ble_set_adv_config, /* BTA_DM_API_BLE_SET_ADV_CONFIG_EVT */
101 bta_dm_ble_set_scan_rsp, /* BTA_DM_API_BLE_SET_SCAN_RSP_EVT */
102 bta_dm_ble_broadcast, /* BTA_DM_API_BLE_BROADCAST_EVT */
103 #endif
104
105 #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0)
106 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */
107 #endif
108 #if (BTM_EIR_SERVER_INCLUDED == TRUE)
109 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */
110 #endif
111
112 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */
113 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */
114 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */
115 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */
116 };
117
118
119
120 /* state machine action enumeration list */
121 enum
122 {
123 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */
124 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */
125 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */
126 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */
127 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */
128 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */
129 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/
130 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */
131 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */
132 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */
133 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */
134 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */
135 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */
136 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */
137 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */
138 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */
139 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */
140 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */
141 #if BLE_INCLUDED == TRUE
142 BTA_DM_CLOSE_GATT_CONN, /* 18 bta_dm_close_gatt_conn */
143 #endif
144 BTA_DM_SEARCH_NUM_ACTIONS /* 19 */
145 };
146
147
148 /* action function list */
149 const tBTA_DM_ACTION bta_dm_search_action[] =
150 {
151
152 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */
153 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */
154 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */
155 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */
156 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */
157 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */
158 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */
159 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */
160 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */
161 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */
162 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */
163 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */
164 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */
165 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */
166 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */
167 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */
168 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */
169 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */
170 #if BLE_INCLUDED == TRUE
171 ,bta_dm_close_gatt_conn
172 #endif
173 };
174
175 #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS
176 /* state table information */
177 #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */
178 #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */
179 #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */
180
181
182
183 /* state table for listen state */
184 const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] =
185 {
186
187 /* Event Action 1 Action 2 Next State */
188 /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
189 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
190 /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
191 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
192 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
193 /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
194 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
195 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
196 /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
197 #if BLE_INCLUDED == TRUE
198 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}
199 #endif
200
201 };
202 const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
203 {
204
205 /* Event Action 1 Action 2 Next State */
206 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
207 /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
208 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
209 /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
210 /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
211 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
212 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
213 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE},
214 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
215
216 #if BLE_INCLUDED == TRUE
217 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}
218 #endif
219
220 };
221
222 const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] =
223 {
224
225 /* Event Action 1 Action 2 Next State */
226 /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
227 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING},
228 /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
229 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
230 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
231 /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
232 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
233 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE},
234 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}
235
236 #if BLE_INCLUDED == TRUE
237 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}
238 #endif
239
240 };
241
242 const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] =
243 {
244
245 /* Event Action 1 Action 2 Next State */
246 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
247 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING},
248 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
249 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
250 /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
251 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
252 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE},
253 /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE},
254 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}
255
256 #if BLE_INCLUDED == TRUE
257 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}
258 #endif
259
260 };
261
262 typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS];
263
264 /* state table */
265 const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = {
266 bta_dm_search_idle_st_table,
267 bta_dm_search_search_active_st_table,
268 bta_dm_search_search_cancelling_st_table,
269 bta_dm_search_disc_active_st_table
270 };
271
272
273 /*******************************************************************************
274 **
275 ** Function bta_dm_sm_disable
276 **
277 ** Description unregister BTA DM
278 **
279 **
280 ** Returns void
281 **
282 *******************************************************************************/
bta_dm_sm_disable()283 void bta_dm_sm_disable( )
284 {
285 bta_sys_deregister( BTA_ID_DM );
286 }
287
288
289 /*******************************************************************************
290 **
291 ** Function bta_dm_sm_execute
292 **
293 ** Description State machine event handling function for DM
294 **
295 **
296 ** Returns void
297 **
298 *******************************************************************************/
bta_dm_sm_execute(BT_HDR * p_msg)299 BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg)
300 {
301 UINT16 event = p_msg->event & 0x00ff;
302
303 APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event);
304
305 /* execute action functions */
306 if(event < BTA_DM_NUM_ACTIONS)
307 {
308 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg);
309 }
310
311 return TRUE;
312 }
313
314 /*******************************************************************************
315 **
316 ** Function bta_dm_sm_search_disable
317 **
318 ** Description unregister BTA SEARCH DM
319 **
320 **
321 ** Returns void
322 **
323 *******************************************************************************/
bta_dm_search_sm_disable()324 void bta_dm_search_sm_disable( )
325 {
326 bta_sys_deregister( BTA_ID_DM_SEARCH );
327
328 }
329
330
331 /*******************************************************************************
332 **
333 ** Function bta_dm_search_sm_execute
334 **
335 ** Description State machine event handling function for DM
336 **
337 **
338 ** Returns void
339 **
340 *******************************************************************************/
bta_dm_search_sm_execute(BT_HDR * p_msg)341 BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg)
342 {
343 tBTA_DM_ST_TBL state_table;
344 UINT8 action;
345 int i;
346
347 APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x",
348 bta_dm_search_cb.state, p_msg->event);
349
350 /* look up the state table for the current state */
351 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state];
352
353 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE];
354
355
356 /* execute action functions */
357 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++)
358 {
359 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE)
360 {
361 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg);
362 }
363 else
364 {
365 break;
366 }
367 }
368 return TRUE;
369 }
370
371