nfc_hal_main.c revision e9629bad30a9f478b336ab46b8e6e02f7f87af46
1/****************************************************************************** 2 * 3 * Copyright (C) 2010-2014 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 * 22 * Functions for handling NFC HAL NCI Transport events 23 * 24 ******************************************************************************/ 25#include <string.h> 26#include "nfc_hal_int.h" 27#include "nfc_hal_post_reset.h" 28#include "userial.h" 29#include "upio.h" 30 31/**************************************************************************** 32** Definitions 33****************************************************************************/ 34 35/* Default NFC HAL NCI port configuration */ 36NFC_HAL_TRANS_CFG_QUALIFIER tNFC_HAL_TRANS_CFG nfc_hal_trans_cfg = 37{ 38 NFC_HAL_SHARED_TRANSPORT_ENABLED, /* bSharedTransport */ 39 USERIAL_BAUD_115200, /* Baud rate */ 40 USERIAL_FC_HW /* Flow control */ 41}; 42 43/* Control block for NFC HAL NCI transport */ 44#if NFC_DYNAMIC_MEMORY == FALSE 45tNFC_HAL_CB nfc_hal_cb; 46#endif 47 48extern tNFC_HAL_CFG *p_nfc_hal_cfg; 49/**************************************************************************** 50** Internal function prototypes 51****************************************************************************/ 52static void nfc_hal_main_userial_cback (tUSERIAL_PORT port, tUSERIAL_EVT evt, tUSERIAL_EVT_DATA *p_data); 53static void nfc_hal_main_handle_terminate (void); 54static void nfc_hal_main_timeout_cback (void *p_tle); 55 56#if (NFC_HAL_DEBUG == TRUE) 57const char * const nfc_hal_init_state_str[] = 58{ 59 "IDLE", /* Initialization is done */ 60 "W4_XTAL_SET", /* Waiting for crystal setting rsp */ 61 "POST_XTAL_SET", /* Waiting for reset ntf after xtal set */ 62 "W4_NFCC_ENABLE", /* Waiting for reset ntf atter REG_PU up */ 63 "W4_BUILD_INFO", /* Waiting for build info rsp */ 64 "W4_PATCH_INFO", /* Waiting for patch info rsp */ 65 "W4_APP_COMPL", /* Waiting for complete from application */ 66 "W4_POST_INIT", /* Waiting for complete of post init */ 67 "W4_CONTROL", /* Waiting for control release */ 68 "W4_PREDISC", /* Waiting for complete of prediscover */ 69 "CLOSING" /* Shutting down */ 70}; 71#endif 72 73/******************************************************************************* 74** 75** Function nfc_hal_main_init 76** 77** Description This function initializes control block for NFC HAL 78** 79** Returns nothing 80** 81*******************************************************************************/ 82void nfc_hal_main_init (void) 83{ 84 /* Clear control block */ 85 memset (&nfc_hal_cb, 0, sizeof (tNFC_HAL_CB)); 86 87 nfc_hal_cb.ncit_cb.nci_ctrl_size = NFC_HAL_NCI_INIT_CTRL_PAYLOAD_SIZE; 88 nfc_hal_cb.trace_level = NFC_HAL_INITIAL_TRACE_LEVEL; 89 nfc_hal_cb.timer.p_cback = nfc_hal_main_timeout_cback; 90} 91 92/******************************************************************************* 93** 94** Function nfc_hal_main_open_transport 95** 96** Description Open transport and prepare for new incoming message; 97** 98** Returns nothing 99** 100*******************************************************************************/ 101static void nfc_hal_main_open_transport (void) 102{ 103 tUSERIAL_OPEN_CFG open_cfg; 104 105 /* Initialize control block */ 106 nfc_hal_cb.ncit_cb.rcv_state = NFC_HAL_RCV_IDLE_ST; /* to process packet type */ 107 108 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 109 { 110 GKI_freebuf (nfc_hal_cb.ncit_cb.p_rcv_msg); 111 nfc_hal_cb.ncit_cb.p_rcv_msg = NULL; 112 } 113 114 /* open transport */ 115 open_cfg.fmt = (USERIAL_DATABITS_8 | USERIAL_PARITY_NONE | USERIAL_STOPBITS_1); 116 open_cfg.baud = nfc_hal_trans_cfg.userial_baud; 117 open_cfg.fc = nfc_hal_trans_cfg.userial_fc; 118 open_cfg.buf = USERIAL_BUF_BYTE; 119 120 USERIAL_Open (USERIAL_NFC_PORT, &open_cfg, nfc_hal_main_userial_cback); 121 122 { 123 /* Wait for NFCC to enable - Core reset notification */ 124 NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_NFCC_ENABLE); 125 126 /* NFCC Enable timeout */ 127 nfc_hal_main_start_quick_timer (&nfc_hal_cb.timer, NFC_HAL_TTYPE_NFCC_ENABLE, 128 ((p_nfc_hal_cfg->nfc_hal_nfcc_enable_timeout)*QUICK_TIMER_TICKS_PER_SEC)/1000); 129 } 130} 131 132/******************************************************************************* 133** 134** Function nfa_hal_pre_discover_done_cback 135** 136** Description Pre-discovery CFG is sent. 137** 138** Returns nothing 139** 140*******************************************************************************/ 141void nfa_hal_pre_discover_done_cback (tNFC_HAL_NCI_EVT event, UINT16 data_len, UINT8 *p_data) 142{ 143 NFC_HAL_SET_INIT_STATE(NFC_HAL_INIT_STATE_IDLE); 144 nfc_hal_main_stop_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer); 145 nfc_hal_cb.p_stack_cback (HAL_NFC_PRE_DISCOVER_CPLT_EVT, HAL_NFC_STATUS_OK); 146} 147 148/******************************************************************************* 149** 150** Function nfa_hal_send_pre_discover_cfg 151** 152** Description sending Pre-discovery CFG 153** 154** Returns nothing 155** 156*******************************************************************************/ 157void nfa_hal_send_pre_discover_cfg (void) 158{ 159 if (nfc_hal_dm_set_config (p_nfc_hal_pre_discover_cfg [0], 160 &p_nfc_hal_pre_discover_cfg[1], 161 nfa_hal_pre_discover_done_cback) != HAL_NFC_STATUS_OK) 162 { 163 nfa_hal_pre_discover_done_cback(0, 0, NULL); 164 } 165} 166 167/******************************************************************************* 168** 169** Function nfc_hal_main_send_error 170** 171** Description send an Error event to NFC stack 172** 173** Returns nothing 174** 175*******************************************************************************/ 176void nfc_hal_main_send_error (tHAL_NFC_STATUS status) 177{ 178 /* Notify stack */ 179 nfc_hal_cb.p_stack_cback(HAL_NFC_ERROR_EVT, status); 180} 181 182/******************************************************************************* 183** 184** Function nfc_hal_main_userial_cback 185** 186** Description USERIAL callback for NCI transport 187** 188** Returns nothing 189** 190*******************************************************************************/ 191static void nfc_hal_main_userial_cback (tUSERIAL_PORT port, tUSERIAL_EVT evt, tUSERIAL_EVT_DATA *p_data) 192{ 193 if (evt == USERIAL_RX_READY_EVT) 194 { 195 /* Notify transport task of serial port event */ 196 GKI_send_event (NFC_HAL_TASK, NFC_HAL_TASK_EVT_DATA_RDY); 197 } 198 else if (evt == USERIAL_TX_DONE_EVT) 199 { 200 /* Serial driver has finshed sending data from USERIAL_Write */ 201 /* Currently, no action is needed for this event */ 202 } 203 else if (evt == USERIAL_ERR_EVT) 204 { 205 HAL_TRACE_ERROR0 ("nfc_hal_main_userial_cback: USERIAL_ERR_EVT. Notifying NFC_TASK of transport error"); 206 if (nfc_hal_cb.ncit_cb.nci_wait_rsp != NFC_HAL_WAIT_RSP_NONE) 207 { 208 nfc_hal_main_stop_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer); 209 nfc_hal_nci_cmd_timeout_cback ((void *)&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer); 210 } 211 else 212 { 213 nfc_hal_main_send_error (HAL_NFC_STATUS_ERR_TRANSPORT); 214 } 215 } 216 else if (evt == USERIAL_WAKEUP_EVT) 217 { 218 HAL_TRACE_DEBUG1 ("nfc_hal_main_userial_cback: USERIAL_WAKEUP_EVT: %d", p_data->sigs); 219 } 220 else 221 { 222 HAL_TRACE_DEBUG1 ("nfc_hal_main_userial_cback: unhandled userial evt: %i", evt); 223 } 224} 225 226/******************************************************************************* 227** 228** Function nfc_hal_main_pre_init_done 229** 230** Description notify complete of pre-initialization 231** 232** Returns nothing 233** 234*******************************************************************************/ 235void nfc_hal_main_pre_init_done (tHAL_NFC_STATUS status) 236{ 237 HAL_TRACE_DEBUG1 ("nfc_hal_main_pre_init_done () status = %d", status); 238 239 if (status != HAL_NFC_STATUS_OK) 240 { 241 nfc_hal_main_handle_terminate (); 242 243 /* Close uart */ 244 USERIAL_Close (USERIAL_NFC_PORT); 245 } 246 247 /* Notify NFC Task the status of initialization */ 248 nfc_hal_cb.p_stack_cback (HAL_NFC_OPEN_CPLT_EVT, status); 249} 250 251/******************************************************************************* 252** 253** Function nfc_hal_main_timeout_cback 254** 255** Description callback function for timeout 256** 257** Returns void 258** 259*******************************************************************************/ 260static void nfc_hal_main_timeout_cback (void *p_tle) 261{ 262 TIMER_LIST_ENT *p_tlent = (TIMER_LIST_ENT *) p_tle; 263 264 HAL_TRACE_DEBUG0 ("nfc_hal_main_timeout_cback ()"); 265 266 switch (p_tlent->event) 267 { 268 case NFC_HAL_TTYPE_POWER_CYCLE: 269 nfc_hal_main_open_transport (); 270 break; 271 272 case NFC_HAL_TTYPE_NFCC_ENABLE: 273 /* NFCC should have enabled now, notify transport openned */ 274 nfc_hal_dm_pre_init_nfcc (); 275 break; 276 277 default: 278 HAL_TRACE_DEBUG1 ("nfc_hal_main_timeout_cback: unhandled timer event (0x%04x)", p_tlent->event); 279 break; 280 } 281} 282 283/******************************************************************************* 284** 285** Function nfc_hal_main_handle_terminate 286** 287** Description Handle NFI transport shutdown 288** 289** Returns nothing 290** 291*******************************************************************************/ 292static void nfc_hal_main_handle_terminate (void) 293{ 294 NFC_HDR *p_msg; 295 296 /* dequeue and free buffer */ 297 if (nfc_hal_cb.ncit_cb.p_pend_cmd != NULL) 298 { 299 GKI_freebuf (nfc_hal_cb.ncit_cb.p_pend_cmd); 300 nfc_hal_cb.ncit_cb.p_pend_cmd = NULL; 301 } 302 303 /* Free unsent nfc rx buffer */ 304 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 305 { 306 GKI_freebuf (nfc_hal_cb.ncit_cb.p_rcv_msg); 307 nfc_hal_cb.ncit_cb.p_rcv_msg = NULL; 308 } 309 310 /* Free buffer for pending fragmented response/notification */ 311 if (nfc_hal_cb.ncit_cb.p_frag_msg) 312 { 313 GKI_freebuf (nfc_hal_cb.ncit_cb.p_frag_msg); 314 nfc_hal_cb.ncit_cb.p_frag_msg = NULL; 315 } 316 317 /* Free buffers in the tx mbox */ 318 while ((p_msg = (NFC_HDR *) GKI_read_mbox (NFC_HAL_TASK_MBOX)) != NULL) 319 { 320 GKI_freebuf (p_msg); 321 } 322 323 /* notify closing transport */ 324 nfc_hal_dm_shutting_down_nfcc (); 325} 326 327/******************************************************************************* 328** 329** Function nfc_hal_main_start_quick_timer 330** 331** Description Start a timer for the specified amount of time. 332** NOTE: The timeout resolution depends on including modules. 333** QUICK_TIMER_TICKS_PER_SEC should be used to convert from 334** time to ticks. 335** 336** 337** Returns void 338** 339*******************************************************************************/ 340void nfc_hal_main_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) 341{ 342 NFC_HDR *p_msg; 343 344 /* if timer list is currently empty, start periodic GKI timer */ 345 if (nfc_hal_cb.quick_timer_queue.p_first == NULL) 346 { 347 /* if timer starts on other than NCIT task (script wrapper) */ 348 if(GKI_get_taskid () != NFC_HAL_TASK) 349 { 350 /* post event to start timer in NCIT task */ 351 if ((p_msg = (NFC_HDR *) GKI_getbuf (NFC_HDR_SIZE)) != NULL) 352 { 353 p_msg->event = NFC_HAL_EVT_TO_START_QUICK_TIMER; 354 GKI_send_msg (NFC_HAL_TASK, NFC_HAL_TASK_MBOX, p_msg); 355 } 356 } 357 else 358 { 359 GKI_start_timer (NFC_HAL_QUICK_TIMER_ID, ((GKI_SECS_TO_TICKS (1) / QUICK_TIMER_TICKS_PER_SEC)), TRUE); 360 } 361 } 362 363 GKI_remove_from_timer_list (&nfc_hal_cb.quick_timer_queue, p_tle); 364 365 p_tle->event = type; 366 p_tle->ticks = timeout; /* Save the number of ticks for the timer */ 367 368 GKI_add_to_timer_list (&nfc_hal_cb.quick_timer_queue, p_tle); 369} 370 371/******************************************************************************* 372** 373** Function nfc_hal_main_stop_quick_timer 374** 375** Description Stop a timer. 376** 377** Returns void 378** 379*******************************************************************************/ 380void nfc_hal_main_stop_quick_timer (TIMER_LIST_ENT *p_tle) 381{ 382 GKI_remove_from_timer_list (&nfc_hal_cb.quick_timer_queue, p_tle); 383 384 /* if timer list is empty stop periodic GKI timer */ 385 if (nfc_hal_cb.quick_timer_queue.p_first == NULL) 386 { 387 GKI_stop_timer (NFC_HAL_QUICK_TIMER_ID); 388 } 389} 390 391/******************************************************************************* 392** 393** Function nfc_hal_main_process_quick_timer_evt 394** 395** Description Process quick timer event 396** 397** Returns void 398** 399*******************************************************************************/ 400static void nfc_hal_main_process_quick_timer_evt (void) 401{ 402 TIMER_LIST_ENT *p_tle; 403 404 GKI_update_timer_list (&nfc_hal_cb.quick_timer_queue, 1); 405 406 while ((nfc_hal_cb.quick_timer_queue.p_first) && (!nfc_hal_cb.quick_timer_queue.p_first->ticks)) 407 { 408 p_tle = nfc_hal_cb.quick_timer_queue.p_first; 409 GKI_remove_from_timer_list (&nfc_hal_cb.quick_timer_queue, p_tle); 410 411 if (p_tle->p_cback) 412 { 413 (*p_tle->p_cback) (p_tle); 414 } 415 } 416 417 /* if timer list is empty stop periodic GKI timer */ 418 if (nfc_hal_cb.quick_timer_queue.p_first == NULL) 419 { 420 GKI_stop_timer (NFC_HAL_QUICK_TIMER_ID); 421 } 422} 423 424/******************************************************************************* 425** 426** Function nfc_hal_send_nci_msg_to_nfc_task 427** 428** Description This function is called to send nci message to nfc task 429** 430** Returns void 431** 432*******************************************************************************/ 433void nfc_hal_send_nci_msg_to_nfc_task (NFC_HDR * p_msg) 434{ 435#ifdef NFC_HAL_SHARED_GKI 436 /* Using shared NFC/HAL GKI resources - send message buffer directly to NFC_TASK for processing */ 437 p_msg->event = BT_EVT_TO_NFC_NCI; 438 GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); 439#else 440 /* Send NCI message to the stack */ 441 nfc_hal_cb.p_data_cback (p_msg->len, (UINT8 *) ((p_msg + 1) 442 + p_msg->offset)); 443 GKI_freebuf(p_msg); 444#endif 445} 446 447/******************************************************************************* 448** 449** Function nfc_hal_send_credit_ntf_for_cid 450** 451** Description This function is called to send credit ntf 452** for the specified connection id to nfc task 453** 454** Returns void 455** 456*******************************************************************************/ 457static void nfc_hal_send_credit_ntf_for_cid (UINT8 cid) 458{ 459 NFC_HDR *p_msg; 460 UINT8 *p, *ps; 461 462 /* Start of new message. Allocate a buffer for message */ 463 if ((p_msg = (NFC_HDR *) GKI_getpoolbuf (NFC_HAL_NCI_POOL_ID)) != NULL) 464 { 465 /* Initialize NFC_HDR */ 466 p_msg->len = NCI_DATA_HDR_SIZE + 0x03; 467 p_msg->event = 0; 468 p_msg->offset = 0; 469 p_msg->layer_specific = 0; 470 471 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 472 ps = p; 473 NCI_MSG_BLD_HDR0(p, NCI_MT_NTF, NCI_GID_CORE); 474 NCI_MSG_BLD_HDR1(p, NCI_MSG_CORE_CONN_CREDITS); 475 UINT8_TO_STREAM (p, 0x03); 476 477 /* Number of credit entries */ 478 *p++ = 0x01; 479 /* Connection id of the credit ntf */ 480 *p++ = cid; 481 /* Number of credits */ 482 *p = 0x01; 483#ifdef DISP_NCI 484 DISP_NCI (ps, (UINT16) p_msg->len, TRUE); 485#endif 486 nfc_hal_send_nci_msg_to_nfc_task (p_msg); 487 } 488 else 489 { 490 HAL_TRACE_ERROR0 ("Unable to allocate buffer for Sending credit ntf to stack"); 491 } 492} 493 494/******************************************************************************* 495** 496** Function nfc_hal_main_send_message 497** 498** Description This function is calledto send an NCI message. 499** 500** Returns void 501** 502*******************************************************************************/ 503static void nfc_hal_main_send_message (NFC_HDR *p_msg) 504{ 505 UINT8 *ps, *pp, cid, pbf; 506 UINT16 len = p_msg->len; 507 UINT16 data_len; 508#ifdef DISP_NCI 509 UINT8 delta; 510#endif 511 512 HAL_TRACE_DEBUG1 ("nfc_hal_main_send_message() ls:0x%x", p_msg->layer_specific); 513 if ( (p_msg->layer_specific == NFC_HAL_WAIT_RSP_CMD) 514 ||(p_msg->layer_specific == NFC_HAL_WAIT_RSP_VSC) ) 515 { 516 nfc_hal_nci_send_cmd (p_msg); 517 } 518 else 519 { 520 /* NFC task has fragmented the data packet to the appropriate size 521 * and data credit is available; just send it */ 522 523 /* add NCI packet type in front of message */ 524 nfc_hal_nci_add_nfc_pkt_type (p_msg); 525 526 /* send this packet to transport */ 527 ps = (UINT8 *) (p_msg + 1) + p_msg->offset; 528 pp = ps + 1; 529#ifdef DISP_NCI 530 delta = p_msg->len - len; 531 DISP_NCI (ps + delta, (UINT16) (p_msg->len - delta), FALSE); 532#endif 533 if (nfc_hal_cb.hci_cb.hcp_conn_id) 534 { 535 NCI_DATA_PRS_HDR(pp, pbf, cid, data_len); 536 if (cid == nfc_hal_cb.hci_cb.hcp_conn_id) 537 { 538 if (nfc_hal_hci_handle_hcp_pkt_to_hc (pp)) 539 { 540 HAL_TRACE_DEBUG0 ("nfc_hal_main_send_message() - Drop rsp to Fake cmd, Fake credit ntf"); 541 GKI_freebuf (p_msg); 542 nfc_hal_send_credit_ntf_for_cid (cid); 543 return; 544 } 545 } 546 547 } 548 /* check low power mode state */ 549 if (nfc_hal_dm_power_mode_execute (NFC_HAL_LP_TX_DATA_EVT)) 550 { 551 USERIAL_Write (USERIAL_NFC_PORT, ps, p_msg->len); 552 } 553 else 554 { 555 HAL_TRACE_ERROR0 ("nfc_hal_main_send_message(): drop data in low power mode"); 556 } 557 GKI_freebuf (p_msg); 558 } 559} 560 561/******************************************************************************* 562** 563** Function nfc_hal_main_task 564** 565** Description NFC HAL NCI transport event processing task 566** 567** Returns 0 568** 569*******************************************************************************/ 570UINT32 nfc_hal_main_task (UINT32 param) 571{ 572 UINT16 event; 573 UINT8 byte; 574 UINT8 num_interfaces; 575 UINT8 *p; 576 NFC_HDR *p_msg; 577 BOOLEAN free_msg; 578 579 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK started"); 580 581 /* Main loop */ 582 while (TRUE) 583 { 584 event = GKI_wait (0xFFFF, 0); 585 586 /* Handle NFC_HAL_TASK_EVT_INITIALIZE (for initializing NCI transport) */ 587 if (event & NFC_HAL_TASK_EVT_INITIALIZE) 588 { 589 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_INITIALIZE signal. Opening NFC transport..."); 590 591 nfc_hal_main_open_transport (); 592 } 593 594 /* Check for terminate event */ 595 if (event & NFC_HAL_TASK_EVT_TERMINATE) 596 { 597 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_TERMINATE"); 598 nfc_hal_main_handle_terminate (); 599 600 /* Close uart */ 601 USERIAL_Close (USERIAL_NFC_PORT); 602 603 if (nfc_hal_cb.p_stack_cback) 604 { 605 nfc_hal_cb.p_stack_cback (HAL_NFC_CLOSE_CPLT_EVT, HAL_NFC_STATUS_OK); 606 nfc_hal_cb.p_stack_cback = NULL; 607 } 608 continue; 609 } 610 611 /* Check for power cycle event */ 612 if (event & NFC_HAL_TASK_EVT_POWER_CYCLE) 613 { 614 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_POWER_CYCLE"); 615 nfc_hal_main_handle_terminate (); 616 617 /* Close uart */ 618 USERIAL_Close (USERIAL_NFC_PORT); 619 620 /* power cycle timeout */ 621 nfc_hal_main_start_quick_timer (&nfc_hal_cb.timer, NFC_HAL_TTYPE_POWER_CYCLE, 622 (NFC_HAL_POWER_CYCLE_DELAY*QUICK_TIMER_TICKS_PER_SEC)/1000); 623 continue; 624 } 625 626 /* NCI message ready to be sent to NFCC */ 627 if (event & NFC_HAL_TASK_EVT_MBOX) 628 { 629 while ((p_msg = (NFC_HDR *) GKI_read_mbox (NFC_HAL_TASK_MBOX)) != NULL) 630 { 631 free_msg = TRUE; 632 switch (p_msg->event & NFC_EVT_MASK) 633 { 634 case NFC_HAL_EVT_TO_NFC_NCI: 635 nfc_hal_main_send_message (p_msg); 636 /* do not free buffer. NCI VS code may keep it for processing later */ 637 free_msg = FALSE; 638 break; 639 640 case NFC_HAL_EVT_POST_CORE_RESET: 641 NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_POST_INIT_DONE); 642 643 /* set NCI Control packet size from CORE_INIT_RSP */ 644 p = (UINT8 *) (p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE; 645 p += 5; 646 STREAM_TO_UINT8 (num_interfaces, p); 647 p += (num_interfaces + 3); 648 nfc_hal_cb.ncit_cb.nci_ctrl_size = *p; 649 650 /* start post initialization */ 651 nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_LPTD; 652 nfc_hal_cb.dev_cb.next_startup_vsc = 1; 653 654 nfc_hal_dm_config_nfcc (); 655 break; 656 657 case NFC_HAL_EVT_TO_START_QUICK_TIMER: 658 GKI_start_timer (NFC_HAL_QUICK_TIMER_ID, ((GKI_SECS_TO_TICKS (1) / QUICK_TIMER_TICKS_PER_SEC)), TRUE); 659 break; 660 661 case NFC_HAL_EVT_HCI: 662 nfc_hal_hci_evt_hdlr ((tNFC_HAL_HCI_EVENT_DATA *) p_msg); 663 break; 664 665 case NFC_HAL_EVT_PRE_DISCOVER: 666 NFC_HAL_SET_INIT_STATE(NFC_HAL_INIT_STATE_W4_PREDISCOVER_DONE); 667 nfa_hal_send_pre_discover_cfg (); 668 break; 669 670 case NFC_HAL_EVT_CONTROL_GRANTED: 671 nfc_hal_dm_send_pend_cmd (); 672 break; 673 674 default: 675 break; 676 } 677 678 if (free_msg) 679 GKI_freebuf (p_msg); 680 } 681 } 682 683 /* Data waiting to be read from serial port */ 684 if (event & NFC_HAL_TASK_EVT_DATA_RDY) 685 { 686 while (TRUE) 687 { 688 /* Read one byte to see if there is anything waiting to be read */ 689 if (USERIAL_Read (USERIAL_NFC_PORT, &byte, 1) == 0) 690 { 691 break; 692 } 693 694 if (nfc_hal_nci_receive_msg (byte)) 695 { 696 /* complete of receiving NCI message */ 697 nfc_hal_nci_assemble_nci_msg (); 698 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 699 { 700 if (nfc_hal_nci_preproc_rx_nci_msg (nfc_hal_cb.ncit_cb.p_rcv_msg)) 701 { 702 /* Send NCI message to the stack */ 703 nfc_hal_send_nci_msg_to_nfc_task (nfc_hal_cb.ncit_cb.p_rcv_msg); 704 } 705 else 706 { 707 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 708 GKI_freebuf(nfc_hal_cb.ncit_cb.p_rcv_msg); 709 } 710 nfc_hal_cb.ncit_cb.p_rcv_msg = NULL; 711 } 712 } 713 } /* while (TRUE) */ 714 } 715 716 /* Process quick timer tick */ 717 if (event & NFC_HAL_QUICK_TIMER_EVT_MASK) 718 { 719 nfc_hal_main_process_quick_timer_evt (); 720 } 721 } 722 723 HAL_TRACE_DEBUG0 ("nfc_hal_main_task terminated"); 724 725 GKI_exit_task (GKI_get_taskid ()); 726 return 0; 727} 728 729/******************************************************************************* 730** 731** Function HAL_NfcSetTraceLevel 732** 733** Description This function sets the trace level for HAL. If called with 734** a value of 0xFF, it simply returns the current trace level. 735** 736** Returns The new or current trace level 737** 738*******************************************************************************/ 739UINT8 HAL_NfcSetTraceLevel (UINT8 new_level) 740{ 741 if (new_level != 0xFF) 742 nfc_hal_cb.trace_level = new_level; 743 744 return (nfc_hal_cb.trace_level); 745} 746