btu_task.c revision 0212487880be33e255d49f6e38dbb035d1f77750
1/****************************************************************************** 2 * 3 * Copyright (C) 1999-2012 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 file contains the main Bluetooth Upper Layer processing loop. 22 * The Broadcom implementations of L2CAP RFCOMM, SDP and the BTIf run as one 23 * GKI task. This btu_task switches between them. 24 * 25 * Note that there will always be an L2CAP, but there may or may not be an 26 * RFCOMM or SDP. Whether these layers are present or not is determined by 27 * compile switches. 28 * 29 ******************************************************************************/ 30 31#include <stdlib.h> 32#include <string.h> 33#include <stdio.h> 34 35#include "bt_target.h" 36#include "gki.h" 37#include "bt_types.h" 38#include "hcimsgs.h" 39#include "l2c_int.h" 40#include "btu.h" 41#include "bt_utils.h" 42 43#include "sdpint.h" 44 45#if ( defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE ) 46#include "port_api.h" 47#include "port_ext.h" 48#endif 49 50#include "btm_api.h" 51#include "btm_int.h" 52 53#if (defined(EVAL) && EVAL == TRUE) 54#include "btu_eval.h" 55#endif 56 57#if GAP_INCLUDED == TRUE 58#include "gap_int.h" 59#endif 60 61#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) 62#include "obx_int.h" 63 64#if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE) 65#include "bip_int.h" 66#endif /* BIP */ 67 68#if (BPP_SND_INCLUDED == TRUE || BPP_INCLUDED == TRUE) 69#include "bpp_int.h" 70#endif /* BPP */ 71 72#endif /* OBX */ 73 74#include "bt_trace.h" 75 76/* BTE application task */ 77#if APPL_INCLUDED == TRUE 78#include "bte_appl.h" 79#endif 80 81#if (defined(RPC_INCLUDED) && RPC_INCLUDED == TRUE) 82#include "rpct_main.h" 83#endif 84 85#if (defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE) 86#include "bnep_int.h" 87#endif 88 89#if (defined(PAN_INCLUDED) && PAN_INCLUDED == TRUE) 90#include "pan_int.h" 91#endif 92 93#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) 94#include "sap_int.h" 95#endif 96 97#if (defined(HID_DEV_INCLUDED) && HID_DEV_INCLUDED == TRUE ) 98#include "hidd_int.h" 99#endif 100 101#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE ) 102#include "hidh_int.h" 103#endif 104 105#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) 106#include "avdt_int.h" 107#else 108extern void avdt_rcv_sync_info (BT_HDR *p_buf); /* this is for hci_test */ 109#endif 110 111#if (defined(MCA_INCLUDED) && MCA_INCLUDED == TRUE) 112#include "mca_api.h" 113#include "mca_defs.h" 114#include "mca_int.h" 115#endif 116 117 118#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) 119#include "bta_sys.h" 120#endif 121 122#if (BLE_INCLUDED == TRUE) 123#include "gatt_int.h" 124#if (SMP_INCLUDED == TRUE) 125#include "smp_int.h" 126#endif 127#include "btm_ble_int.h" 128#endif 129 130#ifdef __cplusplus 131extern "C" 132{ 133#endif 134 135BT_API extern void BTE_InitStack(void); 136 137#ifdef __cplusplus 138} 139#endif 140 141/* Define BTU storage area 142*/ 143#if BTU_DYNAMIC_MEMORY == FALSE 144tBTU_CB btu_cb; 145#endif 146 147 148/* Define a function prototype to allow a generic timeout handler */ 149typedef void (tUSER_TIMEOUT_FUNC) (TIMER_LIST_ENT *p_tle); 150 151/******************************************************************************* 152** 153** Function btu_task 154** 155** Description This is the main task of the Bluetooth Upper Layers unit. 156** It sits in a loop waiting for messages, and dispatches them 157** to the appropiate handlers. 158** 159** Returns should never return 160** 161*******************************************************************************/ 162BTU_API UINT32 btu_task (UINT32 param) 163{ 164 UINT16 event; 165 BT_HDR *p_msg; 166 UINT8 i; 167 UINT16 mask; 168 BOOLEAN handled; 169 UNUSED(param); 170 171#if (defined(HCISU_H4_INCLUDED) && HCISU_H4_INCLUDED == TRUE) 172 /* wait an event that HCISU is ready */ 173 BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_API, 174 "btu_task pending for preload complete event"); 175 176 for (;;) 177 { 178 event = GKI_wait (0xFFFF, 0); 179 if (event & EVENT_MASK(GKI_SHUTDOWN_EVT)) 180 { 181 /* indicates BT ENABLE abort */ 182 BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_WARNING, 183 "btu_task start abort!"); 184 return (0); 185 } 186 else if (event & BT_EVT_PRELOAD_CMPL) 187 { 188 break; 189 } 190 else 191 { 192 BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_WARNING, 193 "btu_task ignore evt %04x while pending for preload complete", 194 event); 195 } 196 } 197 198 BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_API, 199 "btu_task received preload complete event"); 200#endif 201 202 /* Initialize the mandatory core stack control blocks 203 (BTU, BTM, L2CAP, and SDP) 204 */ 205 btu_init_core(); 206 207 /* Initialize any optional stack components */ 208 BTE_InitStack(); 209 210#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) 211 bta_sys_init(); 212#endif 213 214 /* Initialise platform trace levels at this point as BTE_InitStack() and bta_sys_init() 215 * reset the control blocks and preset the trace level with XXX_INITIAL_TRACE_LEVEL 216 */ 217#if ( BT_USE_TRACES==TRUE ) 218 BTE_InitTraceLevels(); 219#endif 220 221 /* Send a startup evt message to BTIF_TASK to kickstart the init procedure */ 222 GKI_send_event(BTIF_TASK, BT_EVT_TRIGGER_STACK_INIT); 223 224 raise_priority_a2dp(TASK_HIGH_BTU); 225 226 /* Wait for, and process, events */ 227 for (;;) 228 { 229 event = GKI_wait (0xFFFF, 0); 230 231 if (event & TASK_MBOX_0_EVT_MASK) 232 { 233 /* Process all messages in the queue */ 234 while ((p_msg = (BT_HDR *) GKI_read_mbox (BTU_HCI_RCV_MBOX)) != NULL) 235 { 236 /* Determine the input message type. */ 237 switch (p_msg->event & BT_EVT_MASK) 238 { 239 case BT_EVT_TO_BTU_HCI_ACL: 240 /* All Acl Data goes to L2CAP */ 241 l2c_rcv_acl_data (p_msg); 242 break; 243 244 case BT_EVT_TO_BTU_L2C_SEG_XMIT: 245 /* L2CAP segment transmit complete */ 246 l2c_link_segments_xmitted (p_msg); 247 break; 248 249 case BT_EVT_TO_BTU_HCI_SCO: 250#if BTM_SCO_INCLUDED == TRUE 251 btm_route_sco_data (p_msg); 252 break; 253#endif 254 255 case BT_EVT_TO_BTU_HCI_EVT: 256 btu_hcif_process_event ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg); 257 GKI_freebuf(p_msg); 258 259#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) 260 /* If host receives events which it doesn't response to, */ 261 /* host should start idle timer to enter sleep mode. */ 262 btu_check_bt_sleep (); 263#endif 264 break; 265 266 case BT_EVT_TO_BTU_HCI_CMD: 267 btu_hcif_send_cmd ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg); 268 break; 269 270#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) 271#if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE) 272 case BT_EVT_TO_OBX_SR_MSG: 273 obx_sr_proc_evt((tOBX_PORT_EVT *)(p_msg + 1)); 274 GKI_freebuf (p_msg); 275 break; 276 277 case BT_EVT_TO_OBX_SR_L2C_MSG: 278 obx_sr_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1)); 279 GKI_freebuf (p_msg); 280 break; 281#endif 282 283#if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE) 284 case BT_EVT_TO_OBX_CL_MSG: 285 obx_cl_proc_evt((tOBX_PORT_EVT *)(p_msg + 1)); 286 GKI_freebuf (p_msg); 287 break; 288 289 case BT_EVT_TO_OBX_CL_L2C_MSG: 290 obx_cl_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1)); 291 GKI_freebuf (p_msg); 292 break; 293#endif 294 295#if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE) 296 case BT_EVT_TO_BIP_CMDS : 297 bip_proc_btu_event(p_msg); 298 GKI_freebuf (p_msg); 299 break; 300#endif /* BIP */ 301#if (BPP_SND_INCLUDED == TRUE || BPP_INCLUDED == TRUE) 302 case BT_EVT_TO_BPP_PR_CMDS: 303 bpp_pr_proc_event(p_msg); 304 GKI_freebuf (p_msg); 305 break; 306 case BT_EVT_TO_BPP_SND_CMDS: 307 bpp_snd_proc_event(p_msg); 308 GKI_freebuf (p_msg); 309 break; 310 311#endif /* BPP */ 312 313#endif /* OBX */ 314 315#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) 316 case BT_EVT_TO_BTU_SAP : 317 sap_proc_btu_event(p_msg); 318 GKI_freebuf (p_msg); 319 break; 320#endif /* SAP */ 321#if (defined(GAP_CONN_INCLUDED) && GAP_CONN_INCLUDED == TRUE && GAP_CONN_POST_EVT_INCLUDED == TRUE) 322 case BT_EVT_TO_GAP_MSG : 323 gap_proc_btu_event(p_msg); 324 GKI_freebuf (p_msg); 325 break; 326#endif 327 case BT_EVT_TO_START_TIMER : 328 /* Start free running 1 second timer for list management */ 329 GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE); 330 GKI_freebuf (p_msg); 331 break; 332 333 case BT_EVT_TO_STOP_TIMER: 334 if (btu_cb.timer_queue.p_first == NULL) 335 { 336 GKI_stop_timer(TIMER_0); 337 } 338 GKI_freebuf (p_msg); 339 break; 340 341#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) 342 case BT_EVT_TO_START_QUICK_TIMER : 343 GKI_start_timer (TIMER_2, QUICK_TIMER_TICKS, TRUE); 344 GKI_freebuf (p_msg); 345 break; 346#endif 347 348 default: 349 i = 0; 350 mask = (UINT16) (p_msg->event & BT_EVT_MASK); 351 handled = FALSE; 352 353 for (; !handled && i < BTU_MAX_REG_EVENT; i++) 354 { 355 if (btu_cb.event_reg[i].event_cb == NULL) 356 continue; 357 358 if (mask == btu_cb.event_reg[i].event_range) 359 { 360 if (btu_cb.event_reg[i].event_cb) 361 { 362 btu_cb.event_reg[i].event_cb(p_msg); 363 handled = TRUE; 364 } 365 } 366 } 367 368 if (handled == FALSE) 369 GKI_freebuf (p_msg); 370 371 break; 372 } 373 } 374 } 375 376 377 if (event & TIMER_0_EVT_MASK) 378 { 379 TIMER_LIST_ENT *p_tle; 380 381 GKI_update_timer_list (&btu_cb.timer_queue, 1); 382 383 while ((btu_cb.timer_queue.p_first) && (!btu_cb.timer_queue.p_first->ticks)) 384 { 385 p_tle = btu_cb.timer_queue.p_first; 386 GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle); 387 388 switch (p_tle->event) 389 { 390 case BTU_TTYPE_BTM_DEV_CTL: 391 btm_dev_timeout(p_tle); 392 break; 393 394 case BTU_TTYPE_BTM_ACL: 395 btm_acl_timeout(p_tle); 396 break; 397 398 case BTU_TTYPE_L2CAP_LINK: 399 case BTU_TTYPE_L2CAP_CHNL: 400 case BTU_TTYPE_L2CAP_HOLD: 401 case BTU_TTYPE_L2CAP_INFO: 402 case BTU_TTYPE_L2CAP_FCR_ACK: 403#if (BLE_INCLUDED == TRUE) 404 case BTU_TTYPE_L2CAP_END_CONN_UPD: 405#endif 406 407 l2c_process_timeout (p_tle); 408 break; 409 410 case BTU_TTYPE_SDP: 411 sdp_conn_timeout ((tCONN_CB *)p_tle->param); 412 break; 413 414 case BTU_TTYPE_BTM_RMT_NAME: 415 btm_inq_rmt_name_failed(); 416 break; 417 418#if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE) 419 case BTU_TTYPE_RFCOMM_MFC: 420 case BTU_TTYPE_RFCOMM_PORT: 421 rfcomm_process_timeout (p_tle); 422 break; 423 424#endif /* If defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE */ 425 426#if ((defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE)) 427 case BTU_TTYPE_BNEP: 428 bnep_process_timeout(p_tle); 429 break; 430#endif 431 432 433#if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) 434 case BTU_TTYPE_AVDT_CCB_RET: 435 case BTU_TTYPE_AVDT_CCB_RSP: 436 case BTU_TTYPE_AVDT_CCB_IDLE: 437 case BTU_TTYPE_AVDT_SCB_TC: 438 avdt_process_timeout(p_tle); 439 break; 440#endif 441 442#if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) 443#if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE) 444 case BTU_TTYPE_OBX_CLIENT_TO: 445 obx_cl_timeout(p_tle); 446 break; 447#endif 448#if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE) 449 case BTU_TTYPE_OBX_SERVER_TO: 450 obx_sr_timeout(p_tle); 451 break; 452 453 case BTU_TTYPE_OBX_SVR_SESS_TO: 454 obx_sr_sess_timeout(p_tle); 455 break; 456#endif 457#endif 458 459#if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) 460 case BTU_TTYPE_SAP_TO: 461 sap_process_timeout(p_tle); 462 break; 463#endif 464 465 case BTU_TTYPE_BTU_CMD_CMPL: 466 btu_hcif_cmd_timeout((UINT8)(p_tle->event - BTU_TTYPE_BTU_CMD_CMPL)); 467 break; 468 469#if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE) 470 case BTU_TTYPE_HID_HOST_REPAGE_TO : 471 hidh_proc_repage_timeout(p_tle); 472 break; 473#endif 474 475#if (defined(BLE_INCLUDED) && BLE_INCLUDED == TRUE) 476 case BTU_TTYPE_BLE_INQUIRY: 477 case BTU_TTYPE_BLE_GAP_LIM_DISC: 478 case BTU_TTYPE_BLE_RANDOM_ADDR: 479 case BTU_TTYPE_BLE_GAP_FAST_ADV: 480 case BTU_TTYPE_BLE_OBSERVE: 481 btm_ble_timeout(p_tle); 482 break; 483 484 case BTU_TTYPE_ATT_WAIT_FOR_RSP: 485 gatt_rsp_timeout(p_tle); 486 break; 487 488 case BTU_TTYPE_ATT_WAIT_FOR_IND_ACK: 489 gatt_ind_ack_timeout(p_tle); 490 break; 491#if (defined(SMP_INCLUDED) && SMP_INCLUDED == TRUE) 492 case BTU_TTYPE_SMP_PAIRING_CMD: 493 smp_rsp_timeout(p_tle); 494 break; 495#endif 496 497#endif 498 499#if (MCA_INCLUDED == TRUE) 500 case BTU_TTYPE_MCA_CCB_RSP: 501 mca_process_timeout(p_tle); 502 break; 503#endif 504 case BTU_TTYPE_USER_FUNC: 505 { 506 tUSER_TIMEOUT_FUNC *p_uf = (tUSER_TIMEOUT_FUNC *)p_tle->param; 507 (*p_uf)(p_tle); 508 } 509 break; 510 511 default: 512 i = 0; 513 handled = FALSE; 514 515 for (; !handled && i < BTU_MAX_REG_TIMER; i++) 516 { 517 if (btu_cb.timer_reg[i].timer_cb == NULL) 518 continue; 519 if (btu_cb.timer_reg[i].p_tle == p_tle) 520 { 521 btu_cb.timer_reg[i].timer_cb(p_tle); 522 handled = TRUE; 523 } 524 } 525 break; 526 } 527 } 528 529 /* if timer list is empty stop periodic GKI timer */ 530 if (btu_cb.timer_queue.p_first == NULL) 531 { 532 GKI_stop_timer(TIMER_0); 533 } 534 } 535 536#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) 537 if (event & TIMER_2_EVT_MASK) 538 { 539 btu_process_quick_timer_evt(); 540 } 541#endif 542 543 544#if (RPC_INCLUDED == TRUE) 545 /* if RPC message queue event */ 546 if (event & RPCGEN_MSG_EVT) 547 { 548 if ((p_msg = (BT_HDR *) GKI_read_mbox(RPCGEN_MSG_MBOX)) != NULL) 549 RPCT_RpcgenMsg(p_msg); /* handle RPC message queue */ 550 } 551#endif 552 553#if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) 554 if (event & TASK_MBOX_2_EVT_MASK) 555 { 556 while ((p_msg = (BT_HDR *) GKI_read_mbox(TASK_MBOX_2)) != NULL) 557 { 558 bta_sys_event(p_msg); 559 } 560 } 561 562 if (event & TIMER_1_EVT_MASK) 563 { 564 bta_sys_timer_update(); 565 } 566#endif 567 568 if (event & EVENT_MASK(APPL_EVT_7)) 569 break; 570 } 571 572 return(0); 573} 574 575/******************************************************************************* 576** 577** Function btu_start_timer 578** 579** Description Start a timer for the specified amount of time. 580** NOTE: The timeout resolution is in SECONDS! (Even 581** though the timer structure field is ticks) 582** 583** Returns void 584** 585*******************************************************************************/ 586void btu_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) 587{ 588 BT_HDR *p_msg; 589 GKI_disable(); 590 /* if timer list is currently empty, start periodic GKI timer */ 591 if (btu_cb.timer_queue.p_first == NULL) 592 { 593 /* if timer starts on other than BTU task */ 594 if (GKI_get_taskid() != BTU_TASK) 595 { 596 /* post event to start timer in BTU task */ 597 if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) 598 { 599 p_msg->event = BT_EVT_TO_START_TIMER; 600 GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); 601 } 602 } 603 else 604 { 605 /* Start free running 1 second timer for list management */ 606 GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE); 607 } 608 } 609 610 GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle); 611 612 p_tle->event = type; 613 p_tle->ticks = timeout; /* Save the number of seconds for the timer */ 614 615 GKI_add_to_timer_list (&btu_cb.timer_queue, p_tle); 616 GKI_enable(); 617} 618 619/******************************************************************************* 620** 621** Function btu_remaining_time 622** 623** Description Return amount of time to expire 624** 625** Returns time in second 626** 627*******************************************************************************/ 628UINT32 btu_remaining_time (TIMER_LIST_ENT *p_tle) 629{ 630 return(GKI_get_remaining_ticks (&btu_cb.timer_queue, p_tle)); 631} 632 633/******************************************************************************* 634** 635** Function btu_stop_timer 636** 637** Description Stop a timer. 638** 639** Returns void 640** 641*******************************************************************************/ 642void btu_stop_timer (TIMER_LIST_ENT *p_tle) 643{ 644 BT_HDR *p_msg; 645 GKI_disable(); 646 GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle); 647 648 /* if timer is stopped on other than BTU task */ 649 if (GKI_get_taskid() != BTU_TASK) 650 { 651 /* post event to stop timer in BTU task */ 652 if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) 653 { 654 p_msg->event = BT_EVT_TO_STOP_TIMER; 655 GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); 656 } 657 } 658 else 659 { 660 /* if timer list is empty stop periodic GKI timer */ 661 if (btu_cb.timer_queue.p_first == NULL) 662 { 663 GKI_stop_timer(TIMER_0); 664 } 665 } 666 GKI_enable(); 667} 668 669#if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) 670/******************************************************************************* 671** 672** Function btu_start_quick_timer 673** 674** Description Start a timer for the specified amount of time. 675** NOTE: The timeout resolution depends on including modules. 676** QUICK_TIMER_TICKS_PER_SEC should be used to convert from 677** time to ticks. 678** 679** 680** Returns void 681** 682*******************************************************************************/ 683void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) 684{ 685 BT_HDR *p_msg; 686 687 GKI_disable(); 688 /* if timer list is currently empty, start periodic GKI timer */ 689 if (btu_cb.quick_timer_queue.p_first == NULL) 690 { 691 /* script test calls stack API without posting event */ 692 if (GKI_get_taskid() != BTU_TASK) 693 { 694 /* post event to start timer in BTU task */ 695 if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) 696 { 697 p_msg->event = BT_EVT_TO_START_QUICK_TIMER; 698 GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); 699 } 700 } 701 else 702 GKI_start_timer(TIMER_2, QUICK_TIMER_TICKS, TRUE); 703 } 704 705 GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle); 706 707 p_tle->event = type; 708 p_tle->ticks = timeout; /* Save the number of ticks for the timer */ 709 710 GKI_add_to_timer_list (&btu_cb.quick_timer_queue, p_tle); 711 GKI_enable(); 712} 713 714 715/******************************************************************************* 716** 717** Function btu_stop_quick_timer 718** 719** Description Stop a timer. 720** 721** Returns void 722** 723*******************************************************************************/ 724void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle) 725{ 726 GKI_disable(); 727 GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle); 728 729 /* if timer list is empty stop periodic GKI timer */ 730 if (btu_cb.quick_timer_queue.p_first == NULL) 731 { 732 GKI_stop_timer(TIMER_2); 733 } 734 GKI_enable(); 735} 736 737/******************************************************************************* 738** 739** Function btu_process_quick_timer_evt 740** 741** Description Process quick timer event 742** 743** Returns void 744** 745*******************************************************************************/ 746void btu_process_quick_timer_evt(void) 747{ 748 process_quick_timer_evt(&btu_cb.quick_timer_queue); 749 750 /* if timer list is empty stop periodic GKI timer */ 751 if (btu_cb.quick_timer_queue.p_first == NULL) 752 { 753 GKI_stop_timer(TIMER_2); 754 } 755} 756 757/******************************************************************************* 758** 759** Function process_quick_timer_evt 760** 761** Description Process quick timer event 762** 763** Returns void 764** 765*******************************************************************************/ 766void process_quick_timer_evt(TIMER_LIST_Q *p_tlq) 767{ 768 TIMER_LIST_ENT *p_tle; 769 770 GKI_update_timer_list (p_tlq, 1); 771 772 while ((p_tlq->p_first) && (!p_tlq->p_first->ticks)) 773 { 774 p_tle = p_tlq->p_first; 775 GKI_remove_from_timer_list (p_tlq, p_tle); 776 777 switch (p_tle->event) 778 { 779 case BTU_TTYPE_L2CAP_CHNL: /* monitor or retransmission timer */ 780 case BTU_TTYPE_L2CAP_FCR_ACK: /* ack timer */ 781 l2c_process_timeout (p_tle); 782 break; 783 784 default: 785 break; 786 } 787 } 788} 789#endif /* defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) */ 790 791 792 793void btu_register_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout, tBTU_TIMER_CALLBACK timer_cb) 794{ 795 UINT8 i = 0; 796 INT8 first = -1; 797 for (; i < BTU_MAX_REG_TIMER; i++) 798 { 799 if (btu_cb.timer_reg[i].p_tle == NULL && first < 0) 800 first = i; 801 if (btu_cb.timer_reg[i].p_tle == p_tle) 802 { 803 btu_cb.timer_reg[i].timer_cb = timer_cb; 804 btu_start_timer(p_tle, type, timeout); 805 first = -1; 806 break; 807 } 808 } 809 810 if (first >= 0 && first < BTU_MAX_REG_TIMER) 811 { 812 btu_cb.timer_reg[first].timer_cb = timer_cb; 813 btu_cb.timer_reg[first].p_tle = p_tle; 814 btu_start_timer(p_tle, type, timeout); 815 } 816 817} 818 819 820void btu_deregister_timer(TIMER_LIST_ENT *p_tle) 821{ 822 UINT8 i = 0; 823 824 for (; i < BTU_MAX_REG_TIMER; i++) 825 { 826 if (btu_cb.timer_reg[i].p_tle == p_tle) 827 { 828 btu_stop_timer(p_tle); 829 btu_cb.timer_reg[i].timer_cb = NULL; 830 btu_cb.timer_reg[i].p_tle = NULL; 831 break; 832 } 833 } 834} 835 836void btu_register_event_range (UINT16 start, tBTU_EVENT_CALLBACK event_cb) 837{ 838 UINT8 i = 0; 839 INT8 first = -1; 840 841 for (; i < BTU_MAX_REG_EVENT; i++) 842 { 843 if (btu_cb.event_reg[i].event_cb == NULL && first < 0) 844 first = i; 845 846 if (btu_cb.event_reg[i].event_range == start) 847 { 848 btu_cb.event_reg[i].event_cb = event_cb; 849 850 if (!event_cb) 851 btu_cb.event_reg[i].event_range = 0; 852 853 first = -1; 854 } 855 } 856 857 /* if not deregistering && an empty index was found in range, register */ 858 if (event_cb && first >= 0 && first < BTU_MAX_REG_EVENT) 859 { 860 btu_cb.event_reg[first].event_range = start; 861 btu_cb.event_reg[first].event_cb = event_cb; 862 } 863} 864 865 866void btu_deregister_event_range (UINT16 range) 867{ 868 btu_register_event_range(range, NULL); 869} 870 871#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) 872/******************************************************************************* 873** 874** Function btu_check_bt_sleep 875** 876** Description This function is called to check if controller can go to sleep. 877** 878** Returns void 879** 880*******************************************************************************/ 881void btu_check_bt_sleep (void) 882{ 883 if ((btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_cmpl_q.count == 0) 884 &&(btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_xmit_q.count == 0)) 885 { 886 if (l2cb.controller_xmit_window == l2cb.num_lm_acl_bufs) 887 { 888 /* enable dev to sleep in the cmd cplt and cmd status only and num cplt packet */ 889 HCI_LP_ALLOW_BT_DEVICE_SLEEP(); 890 } 891 } 892} 893#endif 894