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 */ 36 NFC_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 45 tNFC_HAL_CB nfc_hal_cb; 46 #endif 47 48 extern tNFC_HAL_CFG *p_nfc_hal_cfg; 49 /**************************************************************************** 50 ** Internal function prototypes 51 ****************************************************************************/ 52 static void nfc_hal_main_userial_cback (tUSERIAL_PORT port, tUSERIAL_EVT evt, tUSERIAL_EVT_DATA *p_data); 53 static void nfc_hal_main_handle_terminate (void); 54 static void nfc_hal_main_timeout_cback (void *p_tle); 55 56 #if (NFC_HAL_DEBUG == TRUE) 57 const 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 *******************************************************************************/ 82 void 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 *******************************************************************************/ 101 static 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 *******************************************************************************/ 141 void 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 *******************************************************************************/ 157 void 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 *******************************************************************************/ 176 void 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 *******************************************************************************/ 191 static 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 *******************************************************************************/ 235 void 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 *******************************************************************************/ 260 static 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 *******************************************************************************/ 292 static 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 *******************************************************************************/ 340 void 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 *******************************************************************************/ 380 void 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 *******************************************************************************/ 400 static 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 *******************************************************************************/ 433 void 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 *******************************************************************************/ 457 static 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 *******************************************************************************/ 503 static void nfc_hal_main_send_message (NFC_HDR *p_msg) 504 { 505 #if (defined(NFC_HAL_HCI_INCLUDED) && (NFC_HAL_HCI_INCLUDED == TRUE)) 506 UINT8 cid, pbf; 507 UINT16 data_len; 508 #endif 509 UINT8 *ps, *pp; 510 UINT16 len = p_msg->len; 511 #ifdef DISP_NCI 512 UINT8 delta; 513 #endif 514 515 HAL_TRACE_DEBUG1 ("nfc_hal_main_send_message() ls:0x%x", p_msg->layer_specific); 516 if ( (p_msg->layer_specific == NFC_HAL_WAIT_RSP_CMD) 517 ||(p_msg->layer_specific == NFC_HAL_WAIT_RSP_VSC) ) 518 { 519 nfc_hal_nci_send_cmd (p_msg); 520 } 521 else 522 { 523 /* NFC task has fragmented the data packet to the appropriate size 524 * and data credit is available; just send it */ 525 526 /* add NCI packet type in front of message */ 527 nfc_hal_nci_add_nfc_pkt_type (p_msg); 528 529 /* send this packet to transport */ 530 ps = (UINT8 *) (p_msg + 1) + p_msg->offset; 531 pp = ps + 1; 532 #ifdef DISP_NCI 533 delta = p_msg->len - len; 534 DISP_NCI (ps + delta, (UINT16) (p_msg->len - delta), FALSE); 535 #endif 536 537 #if (defined(NFC_HAL_HCI_INCLUDED) && (NFC_HAL_HCI_INCLUDED == TRUE)) 538 if (nfc_hal_cb.hci_cb.hcp_conn_id) 539 { 540 NCI_DATA_PRS_HDR(pp, pbf, cid, data_len); 541 if (cid == nfc_hal_cb.hci_cb.hcp_conn_id) 542 { 543 if (nfc_hal_hci_handle_hcp_pkt_to_hc (pp)) 544 { 545 HAL_TRACE_DEBUG0 ("nfc_hal_main_send_message() - Drop rsp to Fake cmd, Fake credit ntf"); 546 GKI_freebuf (p_msg); 547 nfc_hal_send_credit_ntf_for_cid (cid); 548 return; 549 } 550 } 551 552 } 553 #endif 554 555 /* check low power mode state */ 556 if (nfc_hal_dm_power_mode_execute (NFC_HAL_LP_TX_DATA_EVT)) 557 { 558 USERIAL_Write (USERIAL_NFC_PORT, ps, p_msg->len); 559 } 560 else 561 { 562 HAL_TRACE_ERROR0 ("nfc_hal_main_send_message(): drop data in low power mode"); 563 } 564 GKI_freebuf (p_msg); 565 } 566 } 567 568 /******************************************************************************* 569 ** 570 ** Function nfc_hal_main_task 571 ** 572 ** Description NFC HAL NCI transport event processing task 573 ** 574 ** Returns 0 575 ** 576 *******************************************************************************/ 577 UINT32 nfc_hal_main_task (UINT32 param) 578 { 579 UINT16 event; 580 UINT8 byte; 581 UINT8 num_interfaces; 582 UINT8 *p; 583 NFC_HDR *p_msg; 584 BOOLEAN free_msg; 585 586 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK started"); 587 588 /* Main loop */ 589 while (TRUE) 590 { 591 event = GKI_wait (0xFFFF, 0); 592 593 /* Handle NFC_HAL_TASK_EVT_INITIALIZE (for initializing NCI transport) */ 594 if (event & NFC_HAL_TASK_EVT_INITIALIZE) 595 { 596 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_INITIALIZE signal. Opening NFC transport..."); 597 598 nfc_hal_main_open_transport (); 599 } 600 601 /* Check for terminate event */ 602 if (event & NFC_HAL_TASK_EVT_TERMINATE) 603 { 604 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_TERMINATE"); 605 nfc_hal_main_handle_terminate (); 606 607 /* Close uart */ 608 USERIAL_Close (USERIAL_NFC_PORT); 609 610 if (nfc_hal_cb.p_stack_cback) 611 { 612 nfc_hal_cb.p_stack_cback (HAL_NFC_CLOSE_CPLT_EVT, HAL_NFC_STATUS_OK); 613 nfc_hal_cb.p_stack_cback = NULL; 614 } 615 continue; 616 } 617 618 /* Check for power cycle event */ 619 if (event & NFC_HAL_TASK_EVT_POWER_CYCLE) 620 { 621 HAL_TRACE_DEBUG0 ("NFC_HAL_TASK got NFC_HAL_TASK_EVT_POWER_CYCLE"); 622 nfc_hal_main_handle_terminate (); 623 624 /* Close uart */ 625 USERIAL_Close (USERIAL_NFC_PORT); 626 627 /* power cycle timeout */ 628 nfc_hal_main_start_quick_timer (&nfc_hal_cb.timer, NFC_HAL_TTYPE_POWER_CYCLE, 629 (NFC_HAL_POWER_CYCLE_DELAY*QUICK_TIMER_TICKS_PER_SEC)/1000); 630 continue; 631 } 632 633 /* NCI message ready to be sent to NFCC */ 634 if (event & NFC_HAL_TASK_EVT_MBOX) 635 { 636 while ((p_msg = (NFC_HDR *) GKI_read_mbox (NFC_HAL_TASK_MBOX)) != NULL) 637 { 638 free_msg = TRUE; 639 switch (p_msg->event & NFC_EVT_MASK) 640 { 641 case NFC_HAL_EVT_TO_NFC_NCI: 642 nfc_hal_main_send_message (p_msg); 643 /* do not free buffer. NCI VS code may keep it for processing later */ 644 free_msg = FALSE; 645 break; 646 647 case NFC_HAL_EVT_POST_CORE_RESET: 648 NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_POST_INIT_DONE); 649 650 /* set NCI Control packet size from CORE_INIT_RSP */ 651 p = (UINT8 *) (p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE; 652 p += 5; 653 STREAM_TO_UINT8 (num_interfaces, p); 654 p += (num_interfaces + 3); 655 nfc_hal_cb.ncit_cb.nci_ctrl_size = *p; 656 657 /* start post initialization */ 658 nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_LPTD; 659 nfc_hal_cb.dev_cb.next_startup_vsc = 1; 660 661 nfc_hal_dm_config_nfcc (); 662 break; 663 664 case NFC_HAL_EVT_TO_START_QUICK_TIMER: 665 GKI_start_timer (NFC_HAL_QUICK_TIMER_ID, ((GKI_SECS_TO_TICKS (1) / QUICK_TIMER_TICKS_PER_SEC)), TRUE); 666 break; 667 668 case NFC_HAL_EVT_HCI: 669 nfc_hal_hci_evt_hdlr ((tNFC_HAL_HCI_EVENT_DATA *) p_msg); 670 break; 671 672 case NFC_HAL_EVT_PRE_DISCOVER: 673 NFC_HAL_SET_INIT_STATE(NFC_HAL_INIT_STATE_W4_PREDISCOVER_DONE); 674 nfa_hal_send_pre_discover_cfg (); 675 break; 676 677 case NFC_HAL_EVT_CONTROL_GRANTED: 678 nfc_hal_dm_send_pend_cmd (); 679 break; 680 681 default: 682 break; 683 } 684 685 if (free_msg) 686 GKI_freebuf (p_msg); 687 } 688 } 689 690 /* Data waiting to be read from serial port */ 691 if (event & NFC_HAL_TASK_EVT_DATA_RDY) 692 { 693 while (TRUE) 694 { 695 /* Read one byte to see if there is anything waiting to be read */ 696 if (USERIAL_Read (USERIAL_NFC_PORT, &byte, 1) == 0) 697 { 698 break; 699 } 700 701 if (nfc_hal_nci_receive_msg (byte)) 702 { 703 /* complete of receiving NCI message */ 704 nfc_hal_nci_assemble_nci_msg (); 705 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 706 { 707 if (nfc_hal_nci_preproc_rx_nci_msg (nfc_hal_cb.ncit_cb.p_rcv_msg)) 708 { 709 /* Send NCI message to the stack */ 710 nfc_hal_send_nci_msg_to_nfc_task (nfc_hal_cb.ncit_cb.p_rcv_msg); 711 } 712 else 713 { 714 if (nfc_hal_cb.ncit_cb.p_rcv_msg) 715 GKI_freebuf(nfc_hal_cb.ncit_cb.p_rcv_msg); 716 } 717 nfc_hal_cb.ncit_cb.p_rcv_msg = NULL; 718 } 719 } 720 } /* while (TRUE) */ 721 } 722 723 /* Process quick timer tick */ 724 if (event & NFC_HAL_QUICK_TIMER_EVT_MASK) 725 { 726 nfc_hal_main_process_quick_timer_evt (); 727 } 728 } 729 730 HAL_TRACE_DEBUG0 ("nfc_hal_main_task terminated"); 731 732 GKI_exit_task (GKI_get_taskid ()); 733 return 0; 734 } 735 736 /******************************************************************************* 737 ** 738 ** Function HAL_NfcSetTraceLevel 739 ** 740 ** Description This function sets the trace level for HAL. If called with 741 ** a value of 0xFF, it simply returns the current trace level. 742 ** 743 ** Returns The new or current trace level 744 ** 745 *******************************************************************************/ 746 UINT8 HAL_NfcSetTraceLevel (UINT8 new_level) 747 { 748 if (new_level != 0xFF) 749 nfc_hal_cb.trace_level = new_level; 750 751 return (nfc_hal_cb.trace_level); 752 } 753
