The Android Open Source Project | 5738f83 | 2012-12-12 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 audio gateway. |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | |
| 25 | #include <string.h> |
| 26 | #include "bta_api.h" |
| 27 | #include "bta_sys.h" |
| 28 | #include "bta_ag_co.h" |
| 29 | #include "bta_ag_int.h" |
| 30 | #include "bd.h" |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame^] | 31 | #include "utl.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 32 | |
| 33 | /***************************************************************************** |
| 34 | ** Constants and types |
| 35 | *****************************************************************************/ |
| 36 | #ifndef BTA_AG_DEBUG |
| 37 | #define BTA_AG_DEBUG FALSE |
| 38 | #endif |
| 39 | |
| 40 | #if BTA_AG_DEBUG == TRUE |
| 41 | static char *bta_ag_evt_str(UINT16 event, tBTA_AG_RES result); |
| 42 | static char *bta_ag_state_str(UINT8 state); |
| 43 | #endif |
| 44 | |
| 45 | /* state machine states */ |
| 46 | enum |
| 47 | { |
| 48 | BTA_AG_INIT_ST, |
| 49 | BTA_AG_OPENING_ST, |
| 50 | BTA_AG_OPEN_ST, |
| 51 | BTA_AG_CLOSING_ST |
| 52 | }; |
| 53 | |
| 54 | /* state machine action enumeration list */ |
| 55 | enum |
| 56 | { |
| 57 | BTA_AG_REGISTER, |
| 58 | BTA_AG_DEREGISTER, |
| 59 | BTA_AG_START_OPEN, |
| 60 | BTA_AG_RFC_DO_OPEN, |
| 61 | BTA_AG_RFC_DO_CLOSE, |
| 62 | BTA_AG_START_DEREG, |
| 63 | BTA_AG_START_CLOSE, |
| 64 | BTA_AG_RFC_OPEN, |
| 65 | BTA_AG_OPEN_FAIL, |
| 66 | BTA_AG_RFC_ACP_OPEN, |
| 67 | BTA_AG_RFC_CLOSE, |
| 68 | BTA_AG_RFC_FAIL, |
| 69 | BTA_AG_RFC_DATA, |
| 70 | BTA_AG_DISC_INT_RES, |
| 71 | BTA_AG_DISC_FAIL, |
| 72 | BTA_AG_DISC_ACP_RES, |
| 73 | BTA_AG_FREE_DB, |
| 74 | BTA_AG_SCO_CONN_OPEN, |
| 75 | BTA_AG_SCO_CONN_CLOSE, |
| 76 | BTA_AG_SCO_LISTEN, |
| 77 | BTA_AG_SCO_OPEN, |
| 78 | BTA_AG_SCO_CLOSE, |
| 79 | BTA_AG_SCO_SHUTDOWN, |
| 80 | BTA_AG_POST_SCO_OPEN, |
| 81 | BTA_AG_POST_SCO_CLOSE, |
| 82 | BTA_AG_SVC_CONN_OPEN, |
| 83 | BTA_AG_RESULT, |
| 84 | BTA_AG_SETCODEC, |
| 85 | BTA_AG_SEND_RING, |
| 86 | BTA_AG_CI_SCO_DATA, |
| 87 | BTA_AG_CI_RX_DATA, |
| 88 | BTA_AG_RCVD_SLC_READY, |
| 89 | BTA_AG_NUM_ACTIONS |
| 90 | }; |
| 91 | |
| 92 | #define BTA_AG_IGNORE BTA_AG_NUM_ACTIONS |
| 93 | |
| 94 | /* type for action functions */ |
| 95 | typedef void (*tBTA_AG_ACTION)(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); |
| 96 | |
| 97 | /* action functions */ |
| 98 | const tBTA_AG_ACTION bta_ag_action[] = |
| 99 | { |
| 100 | bta_ag_register, |
| 101 | bta_ag_deregister, |
| 102 | bta_ag_start_open, |
| 103 | bta_ag_rfc_do_open, |
| 104 | bta_ag_rfc_do_close, |
| 105 | bta_ag_start_dereg, |
| 106 | bta_ag_start_close, |
| 107 | bta_ag_rfc_open, |
| 108 | bta_ag_open_fail, |
| 109 | bta_ag_rfc_acp_open, |
| 110 | bta_ag_rfc_close, |
| 111 | bta_ag_rfc_fail, |
| 112 | bta_ag_rfc_data, |
| 113 | bta_ag_disc_int_res, |
| 114 | bta_ag_disc_fail, |
| 115 | bta_ag_disc_acp_res, |
| 116 | bta_ag_free_db, |
| 117 | bta_ag_sco_conn_open, |
| 118 | bta_ag_sco_conn_close, |
| 119 | bta_ag_sco_listen, |
| 120 | bta_ag_sco_open, |
| 121 | bta_ag_sco_close, |
| 122 | bta_ag_sco_shutdown, |
| 123 | bta_ag_post_sco_open, |
| 124 | bta_ag_post_sco_close, |
| 125 | bta_ag_svc_conn_open, |
| 126 | bta_ag_result, |
| 127 | bta_ag_setcodec, |
| 128 | bta_ag_send_ring, |
| 129 | bta_ag_ci_sco_data, |
| 130 | bta_ag_ci_rx_data, |
| 131 | bta_ag_rcvd_slc_ready |
| 132 | }; |
| 133 | |
| 134 | /* state table information */ |
| 135 | #define BTA_AG_ACTIONS 2 /* number of actions */ |
| 136 | #define BTA_AG_NEXT_STATE 2 /* position of next state */ |
| 137 | #define BTA_AG_NUM_COLS 3 /* number of columns in state tables */ |
| 138 | |
| 139 | /* state table for init state */ |
| 140 | const UINT8 bta_ag_st_init[][BTA_AG_NUM_COLS] = |
| 141 | { |
| 142 | /* Event Action 1 Action 2 Next state */ |
| 143 | /* API_REGISTER_EVT */ {BTA_AG_REGISTER, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 144 | /* API_DEREGISTER_EVT */ {BTA_AG_DEREGISTER, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 145 | /* API_OPEN_EVT */ {BTA_AG_START_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 146 | /* API_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 147 | /* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 148 | /* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 149 | /* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 150 | /* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 151 | /* RFC_OPEN_EVT */ {BTA_AG_RFC_ACP_OPEN, BTA_AG_SCO_LISTEN, BTA_AG_OPEN_ST}, |
| 152 | /* RFC_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 153 | /* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 154 | /* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 155 | /* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 156 | /* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 157 | /* DISC_ACP_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 158 | /* DISC_INT_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 159 | /* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 160 | /* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 161 | /* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 162 | /* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 163 | /* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 164 | /* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 165 | /* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST} |
| 166 | }; |
| 167 | |
| 168 | /* state table for opening state */ |
| 169 | const UINT8 bta_ag_st_opening[][BTA_AG_NUM_COLS] = |
| 170 | { |
| 171 | /* Event Action 1 Action 2 Next state */ |
| 172 | /* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 173 | /* API_DEREGISTER_EVT */ {BTA_AG_RFC_DO_CLOSE, BTA_AG_START_DEREG, BTA_AG_CLOSING_ST}, |
| 174 | /* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 175 | /* API_CLOSE_EVT */ {BTA_AG_RFC_DO_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 176 | /* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 177 | /* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 178 | /* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 179 | /* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 180 | /* RFC_OPEN_EVT */ {BTA_AG_RFC_OPEN, BTA_AG_SCO_LISTEN, BTA_AG_OPEN_ST}, |
| 181 | /* RFC_CLOSE_EVT */ {BTA_AG_RFC_FAIL, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 182 | /* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 183 | /* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 184 | /* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 185 | /* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 186 | /* DISC_ACP_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 187 | /* DISC_INT_RES_EVT */ {BTA_AG_DISC_INT_RES, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 188 | /* DISC_OK_EVT */ {BTA_AG_RFC_DO_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 189 | /* DISC_FAIL_EVT */ {BTA_AG_DISC_FAIL, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 190 | /* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 191 | /* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 192 | /* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 193 | /* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, |
| 194 | /* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST} |
| 195 | }; |
| 196 | |
| 197 | /* state table for open state */ |
| 198 | const UINT8 bta_ag_st_open[][BTA_AG_NUM_COLS] = |
| 199 | { |
| 200 | /* Event Action 1 Action 2 Next state */ |
| 201 | /* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 202 | /* API_DEREGISTER_EVT */ {BTA_AG_START_CLOSE, BTA_AG_START_DEREG, BTA_AG_CLOSING_ST}, |
| 203 | /* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 204 | /* API_CLOSE_EVT */ {BTA_AG_START_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 205 | /* API_AUDIO_OPEN_EVT */ {BTA_AG_SCO_OPEN, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 206 | /* API_AUDIO_CLOSE_EVT */ {BTA_AG_SCO_CLOSE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 207 | /* API_RESULT_EVT */ {BTA_AG_RESULT, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 208 | /* API_SETCODEC_EVT */ {BTA_AG_SETCODEC, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 209 | /* RFC_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 210 | /* RFC_CLOSE_EVT */ {BTA_AG_RFC_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 211 | /* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 212 | /* RFC_DATA_EVT */ {BTA_AG_RFC_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 213 | /* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_POST_SCO_OPEN, BTA_AG_OPEN_ST}, |
| 214 | /* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_POST_SCO_CLOSE, BTA_AG_OPEN_ST}, |
| 215 | /* DISC_ACP_RES_EVT */ {BTA_AG_DISC_ACP_RES, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 216 | /* DISC_INT_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 217 | /* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 218 | /* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 219 | /* CI_RX_WRITE_EVT */ {BTA_AG_CI_RX_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 220 | /* RING_TOUT_EVT */ {BTA_AG_SEND_RING, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 221 | /* SVC_TOUT_EVT */ {BTA_AG_START_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 222 | /* CI_SCO_DATA_EVT */ {BTA_AG_CI_SCO_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, |
| 223 | /* CI_SLC_READY_EVT */ {BTA_AG_RCVD_SLC_READY, BTA_AG_IGNORE, BTA_AG_OPEN_ST} |
| 224 | }; |
| 225 | |
| 226 | /* state table for closing state */ |
| 227 | const UINT8 bta_ag_st_closing[][BTA_AG_NUM_COLS] = |
| 228 | { |
| 229 | /* Event Action 1 Action 2 Next state */ |
| 230 | /* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 231 | /* API_DEREGISTER_EVT */ {BTA_AG_START_DEREG, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 232 | /* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 233 | /* API_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 234 | /* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 235 | /* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 236 | /* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 237 | /* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 238 | /* RFC_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 239 | /* RFC_CLOSE_EVT */ {BTA_AG_RFC_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 240 | /* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 241 | /* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 242 | /* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 243 | /* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_POST_SCO_CLOSE, BTA_AG_CLOSING_ST}, |
| 244 | /* DISC_ACP_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 245 | /* DISC_INT_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_INIT_ST}, |
| 246 | /* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 247 | /* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 248 | /* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 249 | /* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 250 | /* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 251 | /* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, |
| 252 | /* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST} |
| 253 | }; |
| 254 | |
| 255 | /* type for state table */ |
| 256 | typedef const UINT8 (*tBTA_AG_ST_TBL)[BTA_AG_NUM_COLS]; |
| 257 | |
| 258 | /* state table */ |
| 259 | const tBTA_AG_ST_TBL bta_ag_st_tbl[] = |
| 260 | { |
| 261 | bta_ag_st_init, |
| 262 | bta_ag_st_opening, |
| 263 | bta_ag_st_open, |
| 264 | bta_ag_st_closing |
| 265 | }; |
| 266 | |
| 267 | /***************************************************************************** |
| 268 | ** Global data |
| 269 | *****************************************************************************/ |
| 270 | |
| 271 | /* AG control block */ |
| 272 | #if BTA_DYNAMIC_MEMORY == FALSE |
| 273 | tBTA_AG_CB bta_ag_cb; |
| 274 | #endif |
| 275 | |
| 276 | /******************************************************************************* |
| 277 | ** |
| 278 | ** Function bta_ag_timer_cback |
| 279 | ** |
| 280 | ** Description AG timer callback. |
| 281 | ** |
| 282 | ** |
| 283 | ** Returns void |
| 284 | ** |
| 285 | *******************************************************************************/ |
| 286 | static void bta_ag_timer_cback(void *p) |
| 287 | { |
| 288 | BT_HDR *p_buf; |
| 289 | TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *) p; |
| 290 | |
| 291 | if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) |
| 292 | { |
| 293 | p_buf->event = p_tle->event; |
| 294 | p_buf->layer_specific = bta_ag_scb_to_idx((tBTA_AG_SCB *) p_tle->param); |
| 295 | bta_sys_sendmsg(p_buf); |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | /******************************************************************************* |
| 300 | ** |
| 301 | ** Function bta_ag_scb_alloc |
| 302 | ** |
| 303 | ** Description Allocate an AG service control block. |
| 304 | ** |
| 305 | ** |
| 306 | ** Returns pointer to the scb, or NULL if none could be allocated. |
| 307 | ** |
| 308 | *******************************************************************************/ |
| 309 | static tBTA_AG_SCB *bta_ag_scb_alloc(void) |
| 310 | { |
| 311 | tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; |
| 312 | int i; |
| 313 | |
| 314 | for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) |
| 315 | { |
| 316 | if (!p_scb->in_use) |
| 317 | { |
| 318 | /* initialize variables */ |
| 319 | p_scb->in_use = TRUE; |
| 320 | p_scb->sco_idx = BTM_INVALID_SCO_INDEX; |
| 321 | |
| 322 | /* set up timers */ |
| 323 | p_scb->act_timer.param = (UINT32) p_scb; |
| 324 | p_scb->act_timer.p_cback = bta_ag_timer_cback; |
| 325 | |
| 326 | APPL_TRACE_DEBUG1("bta_ag_scb_alloc %d", bta_ag_scb_to_idx(p_scb)); |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | if (i == BTA_AG_NUM_SCB) |
| 332 | { |
| 333 | /* out of scbs */ |
| 334 | p_scb = NULL; |
| 335 | APPL_TRACE_WARNING0("Out of ag scbs"); |
| 336 | } |
| 337 | return p_scb; |
| 338 | } |
| 339 | |
| 340 | /******************************************************************************* |
| 341 | ** |
| 342 | ** Function bta_ag_scb_dealloc |
| 343 | ** |
| 344 | ** Description Deallocate a service control block. |
| 345 | ** |
| 346 | ** |
| 347 | ** Returns void |
| 348 | ** |
| 349 | *******************************************************************************/ |
| 350 | void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb) |
| 351 | { |
| 352 | UINT8 idx; |
| 353 | BOOLEAN allocated = FALSE; |
| 354 | |
| 355 | APPL_TRACE_DEBUG1("bta_ag_scb_dealloc %d", bta_ag_scb_to_idx(p_scb)); |
| 356 | |
| 357 | /* stop timers */ |
| 358 | bta_sys_stop_timer(&p_scb->act_timer); |
| 359 | #if (BTM_WBS_INCLUDED == TRUE) |
| 360 | bta_sys_stop_timer(&p_scb->cn_timer); |
| 361 | #endif |
| 362 | |
| 363 | /* initialize control block */ |
| 364 | memset(p_scb, 0, sizeof(tBTA_AG_SCB)); |
| 365 | p_scb->sco_idx = BTM_INVALID_SCO_INDEX; |
| 366 | |
| 367 | /* If all scbs are deallocated, callback with disable event */ |
| 368 | if (!bta_sys_is_register (BTA_ID_AG)) |
| 369 | { |
| 370 | for (idx = 0; idx < BTA_AG_NUM_SCB; idx++) |
| 371 | { |
| 372 | if (bta_ag_cb.scb[idx].in_use) |
| 373 | { |
| 374 | allocated = TRUE; |
| 375 | break; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | if (!allocated) |
| 380 | { |
| 381 | (*bta_ag_cb.p_cback)(BTA_AG_DISABLE_EVT, NULL); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | } |
| 386 | |
| 387 | /******************************************************************************* |
| 388 | ** |
| 389 | ** Function bta_ag_scb_to_idx |
| 390 | ** |
| 391 | ** Description Given a pointer to an scb, return its index. |
| 392 | ** |
| 393 | ** |
| 394 | ** Returns Index of scb. |
| 395 | ** |
| 396 | *******************************************************************************/ |
| 397 | UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb) |
| 398 | { |
| 399 | /* use array arithmetic to determine index */ |
| 400 | return ((UINT16) (p_scb - bta_ag_cb.scb)) + 1; |
| 401 | } |
| 402 | |
| 403 | /******************************************************************************* |
| 404 | ** |
| 405 | ** Function bta_ag_scb_by_idx |
| 406 | ** |
| 407 | ** Description Given an scb index return pointer to scb. |
| 408 | ** |
| 409 | ** |
| 410 | ** Returns Pointer to scb or NULL if not allocated. |
| 411 | ** |
| 412 | *******************************************************************************/ |
| 413 | tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx) |
| 414 | { |
| 415 | tBTA_AG_SCB *p_scb; |
| 416 | |
| 417 | /* verify index */ |
| 418 | if (idx > 0 && idx <= BTA_AG_NUM_SCB) |
| 419 | { |
| 420 | p_scb = &bta_ag_cb.scb[idx - 1]; |
| 421 | if (!p_scb->in_use) |
| 422 | { |
| 423 | p_scb = NULL; |
| 424 | APPL_TRACE_WARNING1("ag scb idx %d not allocated", idx); |
| 425 | } |
| 426 | } |
| 427 | else |
| 428 | { |
| 429 | p_scb = NULL; |
| 430 | APPL_TRACE_DEBUG1("ag scb idx %d out of range", idx); |
| 431 | } |
| 432 | return p_scb; |
| 433 | } |
| 434 | |
| 435 | /******************************************************************************* |
| 436 | ** |
| 437 | ** Function bta_ag_service_to_idx |
| 438 | ** |
| 439 | ** Description Given a BTA service mask convert to profile index. |
| 440 | ** |
| 441 | ** |
| 442 | ** Returns Profile ndex of scb. |
| 443 | ** |
| 444 | *******************************************************************************/ |
| 445 | UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services) |
| 446 | { |
| 447 | if (services & BTA_HFP_SERVICE_MASK) |
| 448 | { |
| 449 | return BTA_AG_HFP; |
| 450 | } |
| 451 | else |
| 452 | { |
| 453 | return BTA_AG_HSP; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | /******************************************************************************* |
| 458 | ** |
| 459 | ** Function bta_ag_idx_by_bdaddr |
| 460 | ** |
| 461 | ** Description Find SCB associated with peer BD address. |
| 462 | ** |
| 463 | ** |
| 464 | ** Returns Index of SCB or zero if none found. |
| 465 | ** |
| 466 | *******************************************************************************/ |
| 467 | UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr) |
| 468 | { |
| 469 | tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; |
| 470 | UINT16 i; |
| 471 | |
| 472 | if (peer_addr != NULL) |
| 473 | { |
| 474 | for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) |
| 475 | { |
| 476 | if (p_scb->in_use && !bdcmp(peer_addr, p_scb->peer_addr)) |
| 477 | { |
| 478 | return (i + 1); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /* no scb found */ |
| 484 | APPL_TRACE_WARNING0("No ag scb for peer addr"); |
| 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | /******************************************************************************* |
| 489 | ** |
| 490 | ** Function bta_ag_other_scb_open |
| 491 | ** |
| 492 | ** Description Check whether any other scb is in open state. |
| 493 | ** |
| 494 | ** |
| 495 | ** Returns TRUE if another scb is in open state, FALSE otherwise. |
| 496 | ** |
| 497 | *******************************************************************************/ |
| 498 | BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb) |
| 499 | { |
| 500 | tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; |
| 501 | int i; |
| 502 | |
| 503 | for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) |
| 504 | { |
| 505 | if (p_scb->in_use && p_scb != p_curr_scb && p_scb->state == BTA_AG_OPEN_ST) |
| 506 | { |
| 507 | return TRUE; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | /* no other scb found */ |
| 512 | APPL_TRACE_DEBUG0("No other ag scb open"); |
| 513 | return FALSE; |
| 514 | } |
| 515 | |
| 516 | /******************************************************************************* |
| 517 | ** |
| 518 | ** Function bta_ag_get_other_idle_scb |
| 519 | ** |
| 520 | ** Description Return other scb if it is in INIT st. |
| 521 | ** |
| 522 | ** |
| 523 | ** Returns Pointer to other scb if INIT st, NULL otherwise. |
| 524 | ** |
| 525 | *******************************************************************************/ |
| 526 | tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb) |
| 527 | { |
| 528 | tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; |
| 529 | UINT8 xx; |
| 530 | |
| 531 | for (xx = 0; xx < BTA_AG_NUM_SCB; xx++, p_scb++) |
| 532 | { |
| 533 | if (p_scb->in_use && (p_scb != p_curr_scb) && (p_scb->state == BTA_AG_INIT_ST)) |
| 534 | { |
| 535 | return p_scb; |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | /* no other scb found */ |
| 540 | APPL_TRACE_DEBUG0("bta_ag_get_other_idle_scb: No idle AG scb"); |
| 541 | return NULL; |
| 542 | } |
| 543 | |
| 544 | /******************************************************************************* |
| 545 | ** |
| 546 | ** Function bta_ag_colli_timer_cback |
| 547 | ** |
| 548 | ** Description AG connection collision timer callback |
| 549 | ** |
| 550 | ** |
| 551 | ** Returns void |
| 552 | ** |
| 553 | *******************************************************************************/ |
| 554 | static void bta_ag_colli_timer_cback (TIMER_LIST_ENT *p_tle) |
| 555 | { |
| 556 | tBTA_AG_SCB *p_scb; |
| 557 | |
| 558 | APPL_TRACE_DEBUG0 ("bta_ag_colli_timer_cback"); |
| 559 | |
| 560 | if (p_tle) |
| 561 | { |
| 562 | p_scb = (tBTA_AG_SCB *)p_tle->param; |
| 563 | |
| 564 | if (p_scb) |
| 565 | { |
| 566 | p_scb->colli_tmr_on = FALSE; |
| 567 | |
| 568 | /* If the peer haven't opened AG connection */ |
| 569 | /* we will restart opening process. */ |
| 570 | bta_ag_resume_open (p_scb); |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | /******************************************************************************* |
| 576 | ** |
| 577 | ** Function bta_ag_collision_cback |
| 578 | ** |
| 579 | ** Description Get notified about collision. |
| 580 | ** |
| 581 | ** |
| 582 | ** Returns void |
| 583 | ** |
| 584 | *******************************************************************************/ |
| 585 | void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, |
| 586 | UINT8 app_id, BD_ADDR peer_addr) |
| 587 | { |
| 588 | UINT16 handle; |
| 589 | tBTA_AG_SCB *p_scb; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame^] | 590 | UNUSED(status); |
| 591 | UNUSED(app_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 592 | |
| 593 | /* Check if we have opening scb for the peer device. */ |
| 594 | handle = bta_ag_idx_by_bdaddr (peer_addr); |
| 595 | p_scb = bta_ag_scb_by_idx (handle); |
| 596 | |
| 597 | if (p_scb && (p_scb->state == BTA_AG_OPENING_ST)) |
| 598 | { |
| 599 | if (id == BTA_ID_SYS) /* ACL collision */ |
| 600 | { |
| 601 | APPL_TRACE_WARNING0 ("AG found collision (ACL) ..."); |
| 602 | } |
| 603 | else if (id == BTA_ID_AG) /* RFCOMM collision */ |
| 604 | { |
| 605 | APPL_TRACE_WARNING0 ("AG found collision (RFCOMM) ..."); |
| 606 | } |
| 607 | else |
| 608 | { |
| 609 | APPL_TRACE_WARNING0 ("AG found collision (\?\?\?) ..."); |
| 610 | } |
| 611 | |
| 612 | p_scb->state = BTA_AG_INIT_ST; |
| 613 | |
| 614 | /* Cancel SDP if it had been started. */ |
| 615 | if(p_scb->p_disc_db) |
| 616 | { |
| 617 | (void)SDP_CancelServiceSearch (p_scb->p_disc_db); |
| 618 | bta_ag_free_db(p_scb, NULL); |
| 619 | } |
| 620 | |
| 621 | /* reopen registered servers */ |
| 622 | /* Collision may be detected before or after we close servers. */ |
| 623 | if (bta_ag_is_server_closed (p_scb)) |
| 624 | bta_ag_start_servers(p_scb, p_scb->reg_services); |
| 625 | |
| 626 | /* Start timer to han */ |
| 627 | p_scb->colli_timer.p_cback = (TIMER_CBACK*)&bta_ag_colli_timer_cback; |
| 628 | p_scb->colli_timer.param = (INT32)p_scb; |
| 629 | bta_sys_start_timer(&p_scb->colli_timer, 0, BTA_AG_COLLISION_TIMER); |
| 630 | p_scb->colli_tmr_on = TRUE; |
| 631 | } |
| 632 | |
| 633 | } |
| 634 | |
| 635 | /******************************************************************************* |
| 636 | ** |
| 637 | ** Function bta_ag_resume_open |
| 638 | ** |
| 639 | ** Description Resume opening process. |
| 640 | ** |
| 641 | ** |
| 642 | ** Returns void |
| 643 | ** |
| 644 | *******************************************************************************/ |
| 645 | void bta_ag_resume_open (tBTA_AG_SCB *p_scb) |
| 646 | { |
| 647 | if (p_scb) |
| 648 | { |
| 649 | APPL_TRACE_DEBUG1 ("bta_ag_resume_open, Handle(%d)", bta_ag_scb_to_idx(p_scb)); |
| 650 | |
| 651 | /* resume opening process. */ |
| 652 | if (p_scb->state == BTA_AG_INIT_ST) |
| 653 | { |
| 654 | p_scb->state = BTA_AG_OPENING_ST; |
| 655 | bta_ag_start_open (p_scb, NULL); |
| 656 | } |
| 657 | } |
| 658 | else |
| 659 | { |
| 660 | APPL_TRACE_ERROR0 ("bta_ag_resume_open, Null p_scb"); |
| 661 | } |
| 662 | } |
| 663 | |
| 664 | /******************************************************************************* |
| 665 | ** |
| 666 | ** Function bta_ag_api_enable |
| 667 | ** |
| 668 | ** Description Handle an API enable event. |
| 669 | ** |
| 670 | ** |
| 671 | ** Returns void |
| 672 | ** |
| 673 | *******************************************************************************/ |
| 674 | static void bta_ag_api_enable(tBTA_AG_DATA *p_data) |
| 675 | { |
| 676 | /* initialize control block */ |
| 677 | memset(&bta_ag_cb, 0, sizeof(tBTA_AG_CB)); |
| 678 | |
| 679 | /* store callback function */ |
| 680 | bta_ag_cb.p_cback = p_data->api_enable.p_cback; |
| 681 | bta_ag_cb.parse_mode = p_data->api_enable.parse_mode; |
| 682 | |
| 683 | /* call init call-out */ |
| 684 | bta_ag_co_init(); |
| 685 | |
| 686 | bta_sys_collision_register (BTA_ID_AG, bta_ag_collision_cback); |
| 687 | |
| 688 | /* call callback with enable event */ |
| 689 | (*bta_ag_cb.p_cback)(BTA_AG_ENABLE_EVT, NULL); |
| 690 | } |
| 691 | |
| 692 | /******************************************************************************* |
| 693 | ** |
| 694 | ** Function bta_ag_api_disable |
| 695 | ** |
| 696 | ** Description Handle an API disable event. |
| 697 | ** |
| 698 | ** |
| 699 | ** Returns void |
| 700 | ** |
| 701 | *******************************************************************************/ |
| 702 | static void bta_ag_api_disable(tBTA_AG_DATA *p_data) |
| 703 | { |
| 704 | /* deregister all scbs in use */ |
| 705 | tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; |
| 706 | BOOLEAN do_dereg = FALSE; |
| 707 | int i; |
| 708 | |
| 709 | if (!bta_sys_is_register (BTA_ID_AG)) |
| 710 | { |
| 711 | APPL_TRACE_ERROR0("BTA AG is already disabled, ignoring ..."); |
| 712 | return; |
| 713 | } |
| 714 | |
| 715 | /* De-register with BTA system manager */ |
| 716 | GKI_sched_lock(); |
| 717 | bta_sys_deregister(BTA_ID_AG); |
| 718 | GKI_sched_unlock(); |
| 719 | |
| 720 | for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) |
| 721 | { |
| 722 | if (p_scb->in_use) |
| 723 | { |
| 724 | bta_ag_sm_execute(p_scb, BTA_AG_API_DEREGISTER_EVT, p_data); |
| 725 | do_dereg = TRUE; |
| 726 | } |
| 727 | } |
| 728 | |
| 729 | if (!do_dereg) |
| 730 | { |
| 731 | /* Done, send callback evt to app */ |
| 732 | (*bta_ag_cb.p_cback)(BTA_AG_DISABLE_EVT, NULL); |
| 733 | } |
| 734 | |
| 735 | bta_sys_collision_register (BTA_ID_AG, NULL); |
| 736 | } |
| 737 | |
| 738 | /******************************************************************************* |
| 739 | ** |
| 740 | ** Function bta_ag_api_register |
| 741 | ** |
| 742 | ** Description Handle an API event registers a new service. |
| 743 | ** |
| 744 | ** |
| 745 | ** Returns void |
| 746 | ** |
| 747 | *******************************************************************************/ |
| 748 | static void bta_ag_api_register(tBTA_AG_DATA *p_data) |
| 749 | { |
| 750 | tBTA_AG_SCB *p_scb; |
| 751 | tBTA_AG_REGISTER reg; |
| 752 | |
| 753 | /* allocate an scb */ |
| 754 | if ((p_scb = bta_ag_scb_alloc()) != NULL) |
| 755 | { |
| 756 | bta_ag_sm_execute(p_scb, p_data->hdr.event, p_data); |
| 757 | } |
| 758 | else |
| 759 | { |
| 760 | reg.status = BTA_AG_FAIL_RESOURCES; |
| 761 | (*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG *) ®); |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | /******************************************************************************* |
| 766 | ** |
| 767 | ** Function bta_ag_api_result |
| 768 | ** |
| 769 | ** Description Handle an API result event. |
| 770 | ** |
| 771 | ** |
| 772 | ** Returns void |
| 773 | ** |
| 774 | *******************************************************************************/ |
| 775 | static void bta_ag_api_result(tBTA_AG_DATA *p_data) |
| 776 | { |
| 777 | tBTA_AG_SCB *p_scb; |
| 778 | int i; |
| 779 | |
| 780 | if (p_data->hdr.layer_specific != BTA_AG_HANDLE_ALL) |
| 781 | { |
| 782 | if ((p_scb = bta_ag_scb_by_idx(p_data->hdr.layer_specific)) != NULL) |
| 783 | { |
| 784 | bta_ag_sm_execute(p_scb, BTA_AG_API_RESULT_EVT, p_data); |
| 785 | } |
| 786 | } |
| 787 | else |
| 788 | { |
| 789 | for (i = 0, p_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, p_scb++) |
| 790 | { |
| 791 | if (p_scb->in_use) |
| 792 | { |
| 793 | bta_ag_sm_execute(p_scb, BTA_AG_API_RESULT_EVT, p_data); |
| 794 | } |
| 795 | } |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | /******************************************************************************* |
| 800 | ** |
| 801 | ** Function bta_ag_sm_execute |
| 802 | ** |
| 803 | ** Description State machine event handling function for AG |
| 804 | ** |
| 805 | ** |
| 806 | ** Returns void |
| 807 | ** |
| 808 | *******************************************************************************/ |
| 809 | void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data) |
| 810 | { |
| 811 | tBTA_AG_ST_TBL state_table; |
| 812 | UINT8 action; |
| 813 | int i; |
| 814 | |
| 815 | #if BTA_AG_DEBUG == TRUE |
| 816 | UINT16 in_event = event; |
| 817 | UINT8 in_state = p_scb->state; |
| 818 | |
| 819 | /* Ignore displaying of AT results when not connected (Ignored in state machine) */ |
| 820 | if (in_event != BTA_AG_API_RESULT_EVT || p_scb->state == BTA_AG_OPEN_ST) |
| 821 | { |
| 822 | APPL_TRACE_EVENT5("AG evt (hdl 0x%04x): State %d (%s), Event 0x%04x (%s)", |
| 823 | bta_ag_scb_to_idx(p_scb), |
| 824 | p_scb->state, bta_ag_state_str(p_scb->state), |
| 825 | event, bta_ag_evt_str(event, p_data->api_result.result)); |
| 826 | } |
| 827 | #else |
| 828 | APPL_TRACE_EVENT3("AG evt (hdl 0x%04x): State %d, Event 0x%04x", |
| 829 | bta_ag_scb_to_idx(p_scb), p_scb->state, event); |
| 830 | #endif |
| 831 | |
| 832 | event &= 0x00FF; |
| 833 | if (event >= (BTA_AG_MAX_EVT & 0x00FF)) |
| 834 | { |
| 835 | APPL_TRACE_ERROR0("AG evt out of range, ignoring..."); |
| 836 | return; |
| 837 | } |
| 838 | |
| 839 | /* look up the state table for the current state */ |
| 840 | state_table = bta_ag_st_tbl[p_scb->state]; |
| 841 | |
| 842 | /* set next state */ |
| 843 | p_scb->state = state_table[event][BTA_AG_NEXT_STATE]; |
| 844 | |
| 845 | /* execute action functions */ |
| 846 | for (i = 0; i < BTA_AG_ACTIONS; i++) |
| 847 | { |
| 848 | if ((action = state_table[event][i]) != BTA_AG_IGNORE) |
| 849 | { |
| 850 | (*bta_ag_action[action])(p_scb, p_data); |
| 851 | } |
| 852 | else |
| 853 | { |
| 854 | break; |
| 855 | } |
| 856 | } |
| 857 | #if BTA_AG_DEBUG == TRUE |
| 858 | if (p_scb->state != in_state) |
| 859 | { |
| 860 | APPL_TRACE_EVENT3("BTA AG State Change: [%s] -> [%s] after Event [%s]", |
| 861 | bta_ag_state_str(in_state), |
| 862 | bta_ag_state_str(p_scb->state), |
| 863 | bta_ag_evt_str(in_event, p_data->api_result.result)); |
| 864 | } |
| 865 | #endif |
| 866 | } |
| 867 | |
| 868 | /******************************************************************************* |
| 869 | ** |
| 870 | ** Function bta_ag_hdl_event |
| 871 | ** |
| 872 | ** Description Data gateway main event handling function. |
| 873 | ** |
| 874 | ** |
| 875 | ** Returns BOOLEAN |
| 876 | ** |
| 877 | *******************************************************************************/ |
| 878 | BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg) |
| 879 | { |
| 880 | tBTA_AG_SCB *p_scb; |
| 881 | |
| 882 | switch (p_msg->event) |
| 883 | { |
| 884 | /* handle enable event */ |
| 885 | case BTA_AG_API_ENABLE_EVT: |
| 886 | bta_ag_api_enable((tBTA_AG_DATA *) p_msg); |
| 887 | break; |
| 888 | |
| 889 | /* handle disable event */ |
| 890 | case BTA_AG_API_DISABLE_EVT: |
| 891 | bta_ag_api_disable((tBTA_AG_DATA *) p_msg); |
| 892 | break; |
| 893 | |
| 894 | /* handle register event */ |
| 895 | case BTA_AG_API_REGISTER_EVT: |
| 896 | bta_ag_api_register((tBTA_AG_DATA *) p_msg); |
| 897 | break; |
| 898 | |
| 899 | /* handle result event */ |
| 900 | case BTA_AG_API_RESULT_EVT: |
| 901 | bta_ag_api_result((tBTA_AG_DATA *) p_msg); |
| 902 | break; |
| 903 | |
| 904 | /* all others reference scb by handle */ |
| 905 | default: |
| 906 | if ((p_scb = bta_ag_scb_by_idx(p_msg->layer_specific)) != NULL) |
| 907 | { |
| 908 | bta_ag_sm_execute(p_scb, p_msg->event, (tBTA_AG_DATA *) p_msg); |
| 909 | } |
| 910 | break; |
| 911 | } |
| 912 | return TRUE; |
| 913 | } |
| 914 | |
| 915 | #if BTA_AG_DEBUG == TRUE |
| 916 | static char *bta_ag_evt_str(UINT16 event, tBTA_AG_RES result) |
| 917 | { |
| 918 | switch (event) |
| 919 | { |
| 920 | case BTA_AG_API_REGISTER_EVT: |
| 921 | return "Register Request"; |
| 922 | case BTA_AG_API_DEREGISTER_EVT: |
| 923 | return "Deregister Request"; |
| 924 | case BTA_AG_API_OPEN_EVT: |
| 925 | return "Open SLC Request"; |
| 926 | case BTA_AG_API_CLOSE_EVT: |
| 927 | return "Close SLC Request"; |
| 928 | case BTA_AG_API_AUDIO_OPEN_EVT: |
| 929 | return "Open Audio Request"; |
| 930 | case BTA_AG_API_AUDIO_CLOSE_EVT: |
| 931 | return "Close Audio Request"; |
| 932 | case BTA_AG_API_RESULT_EVT: |
| 933 | switch (result) |
| 934 | { |
| 935 | case BTA_AG_SPK_RES: return ("AT Result BTA_AG_SPK_RES"); |
| 936 | case BTA_AG_MIC_RES: return ("AT Result BTA_AG_MIC_RES"); |
| 937 | case BTA_AG_INBAND_RING_RES: return ("AT Result BTA_AG_INBAND_RING_RES"); |
| 938 | case BTA_AG_CIND_RES: return ("AT Result BTA_AG_CIND_RES"); |
| 939 | case BTA_AG_BINP_RES: return ("AT Result BTA_AG_BINP_RES"); |
| 940 | case BTA_AG_IND_RES: return ("AT Result BTA_AG_IND_RES"); |
| 941 | case BTA_AG_BVRA_RES: return ("AT Result BTA_AG_BVRA_RES"); |
| 942 | case BTA_AG_CNUM_RES: return ("AT Result BTA_AG_CNUM_RES"); |
| 943 | case BTA_AG_BTRH_RES: return ("AT Result BTA_AG_BTRH_RES"); |
| 944 | case BTA_AG_CLCC_RES: return ("AT Result BTA_AG_CLCC_RES"); |
| 945 | case BTA_AG_COPS_RES: return ("AT Result BTA_AG_COPS_RES"); |
| 946 | case BTA_AG_IN_CALL_RES: return ("AT Result BTA_AG_IN_CALL_RES"); |
| 947 | case BTA_AG_IN_CALL_CONN_RES: return ("AT Result BTA_AG_IN_CALL_CONN_RES"); |
| 948 | case BTA_AG_CALL_WAIT_RES: return ("AT Result BTA_AG_CALL_WAIT_RES"); |
| 949 | case BTA_AG_OUT_CALL_ORIG_RES: return ("AT Result BTA_AG_OUT_CALL_ORIG_RES"); |
| 950 | case BTA_AG_OUT_CALL_ALERT_RES: return ("AT Result BTA_AG_OUT_CALL_ALERT_RES"); |
| 951 | case BTA_AG_OUT_CALL_CONN_RES: return ("AT Result BTA_AG_OUT_CALL_CONN_RES"); |
| 952 | case BTA_AG_CALL_CANCEL_RES: return ("AT Result BTA_AG_CALL_CANCEL_RES"); |
| 953 | case BTA_AG_END_CALL_RES: return ("AT Result BTA_AG_END_CALL_RES"); |
| 954 | case BTA_AG_UNAT_RES: return ("AT Result BTA_AG_UNAT_RES"); |
| 955 | default: return ("Unknown AG Result"); |
| 956 | } |
| 957 | case BTA_AG_API_SETCODEC_EVT: |
| 958 | return "Set Codec Request"; |
| 959 | case BTA_AG_RFC_OPEN_EVT: |
| 960 | return "RFC Opened"; |
| 961 | case BTA_AG_RFC_CLOSE_EVT: |
| 962 | return "RFC Closed"; |
| 963 | case BTA_AG_RFC_SRV_CLOSE_EVT: |
| 964 | return "RFC SRV Closed"; |
| 965 | case BTA_AG_RFC_DATA_EVT: |
| 966 | return "RFC Data"; |
| 967 | case BTA_AG_SCO_OPEN_EVT: |
| 968 | return "Audio Opened"; |
| 969 | case BTA_AG_SCO_CLOSE_EVT: |
| 970 | return "Audio Closed"; |
| 971 | case BTA_AG_DISC_ACP_RES_EVT: |
| 972 | return "Discovery ACP Result"; |
| 973 | case BTA_AG_DISC_INT_RES_EVT: |
| 974 | return "Discovery INT Result"; |
| 975 | case BTA_AG_DISC_OK_EVT: |
| 976 | return "Discovery OK"; |
| 977 | case BTA_AG_DISC_FAIL_EVT: |
| 978 | return "Discovery Failed"; |
| 979 | case BTA_AG_CI_RX_WRITE_EVT: |
| 980 | return "CI RX Write"; |
| 981 | case BTA_AG_RING_TOUT_EVT: |
| 982 | return "Ring Timeout"; |
| 983 | case BTA_AG_SVC_TOUT_EVT: |
| 984 | return "Service Timeout"; |
| 985 | case BTA_AG_API_ENABLE_EVT: |
| 986 | return "Enable AG"; |
| 987 | case BTA_AG_API_DISABLE_EVT: |
| 988 | return "Disable AG"; |
| 989 | case BTA_AG_CI_SCO_DATA_EVT: |
| 990 | return "SCO data Callin"; |
| 991 | case BTA_AG_CI_SLC_READY_EVT: |
| 992 | return "SLC Ready Callin"; |
| 993 | default: |
| 994 | return "Unknown AG Event"; |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | static char *bta_ag_state_str(UINT8 state) |
| 999 | { |
| 1000 | switch (state) |
| 1001 | { |
| 1002 | case BTA_AG_INIT_ST: |
| 1003 | return "Initial"; |
| 1004 | case BTA_AG_OPENING_ST: |
| 1005 | return "Opening"; |
| 1006 | case BTA_AG_OPEN_ST: |
| 1007 | return "Open"; |
| 1008 | case BTA_AG_CLOSING_ST: |
| 1009 | return "Closing"; |
| 1010 | default: |
| 1011 | return "Unknown AG State"; |
| 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | #endif |