nfc_main.c revision a24be4f06674b2707b57904deaa0dff5a95823bd
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 * This file contains functions that interface with the NFC NCI transport. 23 * On the receive side, it routes events to the appropriate handler 24 * (callback). On the transmit side, it manages the command transmission. 25 * 26 ******************************************************************************/ 27#include <string.h> 28#include "gki.h" 29#include "nfc_target.h" 30#include "bt_types.h" 31#include "hcidefs.h" 32 33#if (NFC_INCLUDED == TRUE) 34#include "nfc_hal_api.h" 35#include "nfc_api.h" 36#include "nfc_int.h" 37#include "nci_hmsgs.h" 38#include "rw_int.h" 39#include "ce_int.h" 40 41 42#if (NFC_RW_ONLY == FALSE) 43#include "ce_api.h" 44#include "ce_int.h" 45#include "llcp_int.h" 46 47/* NFC mandates support for at least one logical connection; 48 * Update max_conn to the NFCC capability on InitRsp */ 49#define NFC_SET_MAX_CONN_DEFAULT() {nfc_cb.max_conn = 1;} 50 51#else /* NFC_RW_ONLY */ 52#define ce_init() 53#define llcp_init() 54 55#define NFC_SET_MAX_CONN_DEFAULT() 56 57#endif /* NFC_RW_ONLY */ 58/**************************************************************************** 59** Declarations 60****************************************************************************/ 61#if NFC_DYNAMIC_MEMORY == FALSE 62tNFC_CB nfc_cb; 63#endif 64 65#if (NFC_RW_ONLY == FALSE) 66#define NFC_NUM_INTERFACE_MAP 2 67#else 68#define NFC_NUM_INTERFACE_MAP 1 69#endif 70 71static const tNCI_DISCOVER_MAPS nfc_interface_mapping[NFC_NUM_INTERFACE_MAP] = 72{ 73 /* Protocols that use Frame Interface do not need to be included in the interface mapping */ 74 { 75 NCI_PROTOCOL_ISO_DEP, 76 NCI_INTERFACE_MODE_POLL_N_LISTEN, 77 NCI_INTERFACE_ISO_DEP 78 } 79#if (NFC_RW_ONLY == FALSE) 80 , 81 /* this can not be set here due to 2079xB0 NFCC issues */ 82 { 83 NCI_PROTOCOL_NFC_DEP, 84 NCI_INTERFACE_MODE_POLL_N_LISTEN, 85 NCI_INTERFACE_NFC_DEP 86 } 87#endif 88}; 89 90 91#if (BT_TRACE_VERBOSE == TRUE) 92/******************************************************************************* 93** 94** Function nfc_state_name 95** 96** Description This function returns the state name. 97** 98** NOTE conditionally compiled to save memory. 99** 100** Returns pointer to the name 101** 102*******************************************************************************/ 103static char *nfc_state_name (UINT8 state) 104{ 105 switch (state) 106 { 107 case NFC_STATE_NONE: 108 return ("NONE"); 109 case NFC_STATE_W4_HAL_OPEN: 110 return ("W4_HAL_OPEN"); 111 case NFC_STATE_CORE_INIT: 112 return ("CORE_INIT"); 113 case NFC_STATE_W4_POST_INIT_CPLT: 114 return ("W4_POST_INIT_CPLT"); 115 case NFC_STATE_IDLE: 116 return ("IDLE"); 117 case NFC_STATE_OPEN: 118 return ("OPEN"); 119 case NFC_STATE_CLOSING: 120 return ("CLOSING"); 121 case NFC_STATE_W4_HAL_CLOSE: 122 return ("W4_HAL_CLOSE"); 123 case NFC_STATE_NFCC_POWER_OFF_SLEEP: 124 return ("NFCC_POWER_OFF_SLEEP"); 125 default: 126 return ("???? UNKNOWN STATE"); 127 } 128} 129 130/******************************************************************************* 131** 132** Function nfc_hal_event_name 133** 134** Description This function returns the HAL event name. 135** 136** NOTE conditionally compiled to save memory. 137** 138** Returns pointer to the name 139** 140*******************************************************************************/ 141static char *nfc_hal_event_name (UINT8 event) 142{ 143 switch (event) 144 { 145 case HAL_NFC_OPEN_CPLT_EVT: 146 return ("HAL_NFC_OPEN_CPLT_EVT"); 147 148 case HAL_NFC_CLOSE_CPLT_EVT: 149 return ("HAL_NFC_CLOSE_CPLT_EVT"); 150 151 case HAL_NFC_POST_INIT_CPLT_EVT: 152 return ("HAL_NFC_POST_INIT_CPLT_EVT"); 153 154 case HAL_NFC_PRE_DISCOVER_CPLT_EVT: 155 return ("HAL_NFC_PRE_DISCOVER_CPLT_EVT"); 156 157 case HAL_NFC_REQUEST_CONTROL_EVT: 158 return ("HAL_NFC_REQUEST_CONTROL_EVT"); 159 160 case HAL_NFC_RELEASE_CONTROL_EVT: 161 return ("HAL_NFC_RELEASE_CONTROL_EVT"); 162 163 case HAL_NFC_ERROR_EVT: 164 return ("HAL_NFC_ERROR_EVT"); 165 166 default: 167 return ("???? UNKNOWN EVENT"); 168 } 169} 170#endif /* BT_TRACE_VERBOSE == TRUE */ 171 172/******************************************************************************* 173** 174** Function nfc_main_notify_enable_status 175** 176** Description Notify status of Enable/PowerOffSleep/PowerCycle 177** 178*******************************************************************************/ 179static void nfc_main_notify_enable_status (tNFC_STATUS nfc_status) 180{ 181 tNFC_RESPONSE evt_data; 182 183 evt_data.status = nfc_status; 184 185 if (nfc_cb.p_resp_cback) 186 { 187 /* if getting out of PowerOffSleep mode or restarting NFCC */ 188 if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC)) 189 { 190 nfc_cb.flags &= ~(NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC); 191 if (nfc_status != NFC_STATUS_OK) 192 { 193 nfc_cb.flags |= NFC_FL_POWER_OFF_SLEEP; 194 } 195 (*nfc_cb.p_resp_cback) (NFC_NFCC_RESTART_REVT, &evt_data); 196 } 197 else 198 { 199 (*nfc_cb.p_resp_cback) (NFC_ENABLE_REVT, &evt_data); 200 } 201 } 202} 203 204 205 206/******************************************************************************* 207** 208** Function nfc_enabled 209** 210** Description NFCC enabled, proceed with stack start up. 211** 212** Returns void 213** 214*******************************************************************************/ 215void nfc_enabled (tNFC_STATUS nfc_status, BT_HDR *p_init_rsp_msg) 216{ 217 tNFC_RESPONSE evt_data; 218 tNFC_CONN_CB *p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 219 UINT8 *p; 220 UINT8 num_interfaces = 0, xx; 221 int yy = 0; 222 223 memset (&evt_data, 0, sizeof (tNFC_RESPONSE)); 224 225 if (nfc_status == NCI_STATUS_OK) 226 { 227 nfc_set_state (NFC_STATE_IDLE); 228 229 p = (UINT8 *) (p_init_rsp_msg + 1) + p_init_rsp_msg->offset + NCI_MSG_HDR_SIZE + 1; 230 /* we currently only support NCI of the same version. 231 * We may need to change this, when we support multiple version of NFCC */ 232 evt_data.enable.nci_version = NCI_VERSION; 233 STREAM_TO_UINT32 (evt_data.enable.nci_features, p); 234 STREAM_TO_UINT8 (num_interfaces, p); 235 236 evt_data.enable.nci_interfaces = 0; 237 for (xx = 0; xx < num_interfaces; xx++) 238 { 239 if ((*p) <= NCI_INTERFACE_MAX) 240 evt_data.enable.nci_interfaces |= (1 << (*p)); 241 else if (((*p) > NCI_INTERFACE_FIRST_VS) && (yy < NFC_NFCC_MAX_NUM_VS_INTERFACE)) 242 { 243 /* save the VS RF interface in control block, if there's still room */ 244 nfc_cb.vs_interface[yy++] = *p; 245 } 246 p++; 247 } 248 nfc_cb.nci_interfaces = evt_data.enable.nci_interfaces; 249 memcpy (evt_data.enable.vs_interface, nfc_cb.vs_interface, NFC_NFCC_MAX_NUM_VS_INTERFACE); 250 evt_data.enable.max_conn = *p++; 251 STREAM_TO_UINT16 (evt_data.enable.max_ce_table, p); 252#if (NFC_RW_ONLY == FALSE) 253 nfc_cb.max_ce_table = evt_data.enable.max_ce_table; 254 nfc_cb.nci_features = evt_data.enable.nci_features; 255 nfc_cb.max_conn = evt_data.enable.max_conn; 256#endif 257 nfc_cb.nci_ctrl_size = *p++; /* Max Control Packet Payload Length */ 258 p_cb->init_credits = p_cb->num_buff = 0; 259 STREAM_TO_UINT16 (evt_data.enable.max_param_size, p); 260 nfc_set_conn_id (p_cb, NFC_RF_CONN_ID); 261 evt_data.enable.manufacture_id = *p++; 262 STREAM_TO_ARRAY (evt_data.enable.nfcc_info, p, NFC_NFCC_INFO_LEN); 263 NFC_DiscoveryMap (nfc_cb.num_disc_maps, (tNCI_DISCOVER_MAPS *) nfc_cb.p_disc_maps, NULL); 264 } 265 /* else not successful. the buffers will be freed in nfc_free_conn_cb () */ 266 else 267 { 268 if (nfc_cb.flags & NFC_FL_RESTARTING) 269 { 270 nfc_set_state (NFC_STATE_NFCC_POWER_OFF_SLEEP); 271 } 272 else 273 { 274 nfc_free_conn_cb (p_cb); 275 276 /* if NFCC didn't respond to CORE_RESET or CORE_INIT */ 277 if (nfc_cb.nfc_state == NFC_STATE_CORE_INIT) 278 { 279 /* report status after closing HAL */ 280 nfc_cb.p_hal->close (); 281 return; 282 } 283 else 284 nfc_set_state (NFC_STATE_NONE); 285 } 286 } 287 288 nfc_main_notify_enable_status (nfc_status); 289} 290 291/******************************************************************************* 292** 293** Function nfc_set_state 294** 295** Description Set the state of NFC stack 296** 297** Returns void 298** 299*******************************************************************************/ 300void nfc_set_state (tNFC_STATE nfc_state) 301{ 302#if (BT_TRACE_VERBOSE == TRUE) 303 NFC_TRACE_DEBUG4 ("nfc_set_state %d (%s)->%d (%s)", nfc_cb.nfc_state, nfc_state_name (nfc_cb.nfc_state), nfc_state, nfc_state_name (nfc_state)); 304#else 305 NFC_TRACE_DEBUG2 ("nfc_set_state %d->%d", nfc_cb.nfc_state, nfc_state); 306#endif 307 nfc_cb.nfc_state = nfc_state; 308} 309 310/******************************************************************************* 311** 312** Function nfc_gen_cleanup 313** 314** Description Clean up for both going into low power mode and disabling NFC 315** 316*******************************************************************************/ 317void nfc_gen_cleanup (void) 318{ 319 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 320 321 /* the HAL pre-discover is still active - clear the pending flag/free the buffer */ 322 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 323 { 324 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 325 GKI_freebuf (nfc_cb.p_disc_pending); 326 nfc_cb.p_disc_pending = NULL; 327 } 328 329 nfc_cb.flags &= ~(NFC_FL_CONTROL_REQUESTED | NFC_FL_CONTROL_GRANTED | NFC_FL_HAL_REQUESTED); 330 331 nfc_stop_timer (&nfc_cb.deactivate_timer); 332 333 /* Reset the connection control blocks */ 334 nfc_reset_all_conn_cbs (); 335 336 if (nfc_cb.p_nci_init_rsp) 337 { 338 GKI_freebuf (nfc_cb.p_nci_init_rsp); 339 nfc_cb.p_nci_init_rsp = NULL; 340 } 341 342 /* clear any pending CMD/RSP */ 343 nfc_main_flush_cmd_queue (); 344} 345 346/******************************************************************************* 347** 348** Function nfc_main_handle_hal_evt 349** 350** Description Handle BT_EVT_TO_NFC_MSGS 351** 352*******************************************************************************/ 353void nfc_main_handle_hal_evt (tNFC_HAL_EVT_MSG *p_msg) 354{ 355 UINT8 *ps; 356 357 NFC_TRACE_DEBUG1 ("nfc_main_handle_hal_evt(): HAL event=0x%x", p_msg->hal_evt); 358 359 switch (p_msg->hal_evt) 360 { 361 case HAL_NFC_OPEN_CPLT_EVT: /* only for failure case */ 362 nfc_enabled (NFC_STATUS_FAILED, NULL); 363 break; 364 365 case HAL_NFC_CLOSE_CPLT_EVT: 366 if (nfc_cb.p_resp_cback) 367 { 368 if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_CLOSE) 369 { 370 if (nfc_cb.flags & NFC_FL_POWER_OFF_SLEEP) 371 { 372 nfc_cb.flags &= ~NFC_FL_POWER_OFF_SLEEP; 373 nfc_set_state (NFC_STATE_NFCC_POWER_OFF_SLEEP); 374 (*nfc_cb.p_resp_cback) (NFC_NFCC_POWER_OFF_REVT, NULL); 375 } 376 else 377 { 378 nfc_set_state (NFC_STATE_NONE); 379 (*nfc_cb.p_resp_cback) (NFC_DISABLE_REVT, NULL); 380 nfc_cb.p_resp_cback = NULL; 381 } 382 } 383 else 384 { 385 /* found error during initialization */ 386 nfc_set_state (NFC_STATE_NONE); 387 nfc_main_notify_enable_status (NFC_STATUS_FAILED); 388 } 389 } 390 break; 391 392 case HAL_NFC_POST_INIT_CPLT_EVT: 393 if (nfc_cb.p_nci_init_rsp) 394 { 395 /* 396 ** if NFC_Disable() is called before receiving HAL_NFC_POST_INIT_CPLT_EVT, 397 ** then wait for HAL_NFC_CLOSE_CPLT_EVT. 398 */ 399 if (nfc_cb.nfc_state == NFC_STATE_W4_POST_INIT_CPLT) 400 { 401 if (p_msg->status == HAL_NFC_STATUS_OK) 402 { 403 nfc_enabled (NCI_STATUS_OK, nfc_cb.p_nci_init_rsp); 404 } 405 else /* if post initailization failed */ 406 { 407 nfc_enabled (NCI_STATUS_FAILED, NULL); 408 } 409 } 410 411 GKI_freebuf (nfc_cb.p_nci_init_rsp); 412 nfc_cb.p_nci_init_rsp = NULL; 413 } 414 break; 415 416 case HAL_NFC_PRE_DISCOVER_CPLT_EVT: 417 /* restore the command window, no matter if the discover command is still pending */ 418 nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; 419 nfc_cb.flags &= ~NFC_FL_CONTROL_GRANTED; 420 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 421 { 422 /* issue the discovery command now, if it is still pending */ 423 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 424 ps = (UINT8 *)nfc_cb.p_disc_pending; 425 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); 426 GKI_freebuf (nfc_cb.p_disc_pending); 427 nfc_cb.p_disc_pending = NULL; 428 } 429 else 430 { 431 /* check if there's other pending commands */ 432 nfc_ncif_check_cmd_queue (NULL); 433 } 434 435 if (p_msg->status == HAL_NFC_STATUS_ERR_CMD_TIMEOUT) 436 nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); 437 break; 438 439 case HAL_NFC_REQUEST_CONTROL_EVT: 440 nfc_cb.flags |= NFC_FL_CONTROL_REQUESTED; 441 nfc_cb.flags |= NFC_FL_HAL_REQUESTED; 442 nfc_ncif_check_cmd_queue (NULL); 443 break; 444 445 case HAL_NFC_RELEASE_CONTROL_EVT: 446 if (nfc_cb.flags & NFC_FL_CONTROL_GRANTED) 447 { 448 nfc_cb.flags &= ~NFC_FL_CONTROL_GRANTED; 449 nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; 450 nfc_ncif_check_cmd_queue (NULL); 451 452 if (p_msg->status == HAL_NFC_STATUS_ERR_CMD_TIMEOUT) 453 nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); 454 } 455 break; 456 457 case HAL_NFC_ERROR_EVT: 458 switch (p_msg->status) 459 { 460 case HAL_NFC_STATUS_ERR_TRANSPORT: 461 /* Notify app of transport error */ 462 if (nfc_cb.p_resp_cback) 463 { 464 (*nfc_cb.p_resp_cback) (NFC_NFCC_TRANSPORT_ERR_REVT, NULL); 465 466 /* if enabling NFC, notify upper layer of failure after closing HAL */ 467 if (nfc_cb.nfc_state < NFC_STATE_IDLE) 468 { 469 nfc_enabled (NFC_STATUS_FAILED, NULL); 470 } 471 } 472 break; 473 474 case HAL_NFC_STATUS_ERR_CMD_TIMEOUT: 475 nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); 476 477 /* if enabling NFC, notify upper layer of failure after closing HAL */ 478 if (nfc_cb.nfc_state < NFC_STATE_IDLE) 479 { 480 nfc_enabled (NFC_STATUS_FAILED, NULL); 481 return; 482 } 483 break; 484 485 default: 486 break; 487 } 488 break; 489 490 default: 491 NFC_TRACE_ERROR1 ("nfc_main_handle_hal_evt (): unhandled event (0x%x).", p_msg->hal_evt); 492 break; 493 } 494} 495 496 497/******************************************************************************* 498** 499** Function nfc_main_flush_cmd_queue 500** 501** Description This function is called when setting power off sleep state. 502** 503** Returns void 504** 505*******************************************************************************/ 506void nfc_main_flush_cmd_queue (void) 507{ 508 BT_HDR *p_msg; 509 510 NFC_TRACE_DEBUG0 ("nfc_main_flush_cmd_queue ()"); 511 512 /* initialize command window */ 513 nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; 514 515 /* Stop command-pending timer */ 516 nfc_stop_timer(&nfc_cb.nci_wait_rsp_timer); 517 518 /* dequeue and free buffer */ 519 while ((p_msg = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q)) != NULL) 520 { 521 GKI_freebuf (p_msg); 522 } 523} 524 525/******************************************************************************* 526** 527** Function nfc_main_post_hal_evt 528** 529** Description This function posts HAL event to NFC_TASK 530** 531** Returns void 532** 533*******************************************************************************/ 534void nfc_main_post_hal_evt (UINT8 hal_evt, tHAL_NFC_STATUS status) 535{ 536 tNFC_HAL_EVT_MSG *p_msg; 537 538 if ((p_msg = (tNFC_HAL_EVT_MSG *) GKI_getbuf (sizeof(tNFC_HAL_EVT_MSG))) != NULL) 539 { 540 /* Initialize BT_HDR */ 541 p_msg->hdr.len = 0; 542 p_msg->hdr.event = BT_EVT_TO_NFC_MSGS; 543 p_msg->hdr.offset = 0; 544 p_msg->hdr.layer_specific = 0; 545 p_msg->hal_evt = hal_evt; 546 p_msg->status = status; 547 GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); 548 } 549 else 550 { 551 NFC_TRACE_ERROR0 ("nfc_main_post_hal_evt (): No buffer"); 552 } 553} 554 555 556/******************************************************************************* 557** 558** Function nfc_main_hal_cback 559** 560** Description HAL event handler 561** 562** Returns void 563** 564*******************************************************************************/ 565static void nfc_main_hal_cback(UINT8 event, tHAL_NFC_STATUS status) 566{ 567#if (BT_TRACE_VERBOSE == TRUE) 568 NFC_TRACE_DEBUG3 ("nfc_main_hal_cback event: %s(0x%x), status=%d", 569 nfc_hal_event_name (event), event, status); 570#else 571 NFC_TRACE_DEBUG2 ("nfc_main_hal_cback event: 0x%x, status=%d", event, status); 572#endif 573 574 switch (event) 575 { 576 case HAL_NFC_OPEN_CPLT_EVT: 577 /* 578 ** if NFC_Disable() is called before receiving HAL_NFC_OPEN_CPLT_EVT, 579 ** then wait for HAL_NFC_CLOSE_CPLT_EVT. 580 */ 581 if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_OPEN) 582 { 583 if (status == HAL_NFC_STATUS_OK) 584 { 585 /* Notify NFC_TASK that NCI tranport is initialized */ 586 GKI_send_event (NFC_TASK, NFC_TASK_EVT_TRANSPORT_READY); 587 } 588 else 589 { 590 nfc_main_post_hal_evt (event, status); 591 } 592 } 593 break; 594 595 case HAL_NFC_CLOSE_CPLT_EVT: 596 case HAL_NFC_POST_INIT_CPLT_EVT: 597 case HAL_NFC_PRE_DISCOVER_CPLT_EVT: 598 case HAL_NFC_REQUEST_CONTROL_EVT: 599 case HAL_NFC_RELEASE_CONTROL_EVT: 600 case HAL_NFC_ERROR_EVT: 601 nfc_main_post_hal_evt (event, status); 602 break; 603 604 default: 605 NFC_TRACE_DEBUG1 ("nfc_main_hal_cback unhandled event %x", event); 606 break; 607 } 608} 609 610/******************************************************************************* 611** 612** Function nfc_main_hal_data_cback 613** 614** Description HAL data event handler 615** 616** Returns void 617** 618*******************************************************************************/ 619static void nfc_main_hal_data_cback(UINT16 data_len, UINT8 *p_data) 620{ 621 BT_HDR *p_msg; 622 623 /* ignore all data while shutting down NFCC */ 624 if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_CLOSE) 625 { 626 return; 627 } 628 629 if (p_data) 630 { 631 if ((p_msg = (BT_HDR *) GKI_getpoolbuf (NFC_NCI_POOL_ID)) != NULL) 632 { 633 /* Initialize BT_HDR */ 634 p_msg->len = data_len; 635 p_msg->event = BT_EVT_TO_NFC_NCI; 636 p_msg->offset = NFC_RECEIVE_MSGS_OFFSET; 637 638 /* no need to check length, it always less than pool size */ 639 memcpy ((UINT8 *)(p_msg + 1) + p_msg->offset, p_data, p_msg->len); 640 641 GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); 642 } 643 else 644 { 645 NFC_TRACE_ERROR0 ("nfc_main_hal_data_cback (): No buffer"); 646 } 647 } 648} 649 650/******************************************************************************* 651** 652** Function NFC_Enable 653** 654** Description This function enables NFC. Prior to calling NFC_Enable: 655** - the NFCC must be powered up, and ready to receive commands. 656** - GKI must be enabled 657** - NFC_TASK must be started 658** - NCIT_TASK must be started (if using dedicated NCI transport) 659** 660** This function opens the NCI transport (if applicable), 661** resets the NFC controller, and initializes the NFC subsystems. 662** 663** When the NFC startup procedure is completed, an 664** NFC_ENABLE_REVT is returned to the application using the 665** tNFC_RESPONSE_CBACK. 666** 667** Returns tNFC_STATUS 668** 669*******************************************************************************/ 670tNFC_STATUS NFC_Enable (tNFC_RESPONSE_CBACK *p_cback) 671{ 672 NFC_TRACE_API0 ("NFC_Enable ()"); 673 674 /* Validate callback */ 675 if (!p_cback) 676 { 677 return (NFC_STATUS_INVALID_PARAM); 678 } 679 nfc_cb.p_resp_cback = p_cback; 680 681 /* Open HAL transport. */ 682 nfc_set_state (NFC_STATE_W4_HAL_OPEN); 683 nfc_cb.p_hal->open (nfc_main_hal_cback, nfc_main_hal_data_cback); 684 685 return (NFC_STATUS_OK); 686} 687 688/******************************************************************************* 689** 690** Function NFC_Disable 691** 692** Description This function performs clean up routines for shutting down 693** NFC and closes the NCI transport (if using dedicated NCI 694** transport). 695** 696** When the NFC shutdown procedure is completed, an 697** NFC_DISABLED_REVT is returned to the application using the 698** tNFC_RESPONSE_CBACK. 699** 700** Returns nothing 701** 702*******************************************************************************/ 703void NFC_Disable (void) 704{ 705 NFC_TRACE_API1 ("NFC_Disable (): nfc_state = %d", nfc_cb.nfc_state); 706 707 if ((nfc_cb.nfc_state == NFC_STATE_NONE) || (nfc_cb.nfc_state == NFC_STATE_NFCC_POWER_OFF_SLEEP)) 708 { 709 nfc_set_state (NFC_STATE_NONE); 710 if (nfc_cb.p_resp_cback) 711 { 712 (*nfc_cb.p_resp_cback) (NFC_DISABLE_REVT, NULL); 713 nfc_cb.p_resp_cback = NULL; 714 } 715 return; 716 } 717 718 /* Close transport and clean up */ 719 nfc_task_shutdown_nfcc (); 720} 721 722/******************************************************************************* 723** 724** Function NFC_Init 725** 726** Description This function initializes control block for NFC 727** 728** Returns nothing 729** 730*******************************************************************************/ 731void NFC_Init (tHAL_NFC_ENTRY *p_hal_entry_tbl) 732{ 733 int xx; 734 735 /* Clear nfc control block */ 736 memset (&nfc_cb, 0, sizeof (tNFC_CB)); 737 738 /* Reset the nfc control block */ 739 for (xx = 0; xx < NCI_MAX_CONN_CBS; xx++) 740 { 741 nfc_cb.conn_cb[xx].conn_id = NFC_ILLEGAL_CONN_ID; 742 } 743 744 /* NCI init */ 745 nfc_cb.p_hal = p_hal_entry_tbl; 746 nfc_cb.nfc_state = NFC_STATE_NONE; 747 nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; 748 nfc_cb.nci_wait_rsp_tout= NFC_CMD_CMPL_TIMEOUT; 749 nfc_cb.p_disc_maps = nfc_interface_mapping; 750 nfc_cb.num_disc_maps = NFC_NUM_INTERFACE_MAP; 751 nfc_cb.trace_level = NFC_INITIAL_TRACE_LEVEL; 752 nfc_cb.nci_ctrl_size = NCI_CTRL_INIT_SIZE; 753 nfc_cb.reassembly = TRUE; 754 755 rw_init (); 756 ce_init (); 757 llcp_init (); 758 NFC_SET_MAX_CONN_DEFAULT (); 759} 760 761/******************************************************************************* 762** 763** Function NFC_GetLmrtSize 764** 765** Description Called by application wto query the Listen Mode Routing 766** Table size supported by NFCC 767** 768** Returns Listen Mode Routing Table size 769** 770*******************************************************************************/ 771UINT16 NFC_GetLmrtSize (void) 772{ 773 UINT16 size = 0; 774#if (NFC_RW_ONLY == FALSE) 775 size = nfc_cb.max_ce_table; 776#endif 777 return size; 778} 779 780 781/******************************************************************************* 782** 783** Function NFC_SetConfig 784** 785** Description This function is called to send the configuration parameter 786** TLV to NFCC. The response from NFCC is reported by 787** tNFC_RESPONSE_CBACK as NFC_SET_CONFIG_REVT. 788** 789** Parameters tlv_size - the length of p_param_tlvs. 790** p_param_tlvs - the parameter ID/Len/Value list 791** 792** Returns tNFC_STATUS 793** 794*******************************************************************************/ 795tNFC_STATUS NFC_SetConfig (UINT8 tlv_size, 796 UINT8 *p_param_tlvs) 797{ 798 return nci_snd_core_set_config (p_param_tlvs, tlv_size); 799} 800 801/******************************************************************************* 802** 803** Function NFC_GetConfig 804** 805** Description This function is called to retrieve the parameter TLV from NFCC. 806** The response from NFCC is reported by tNFC_RESPONSE_CBACK 807** as NFC_GET_CONFIG_REVT. 808** 809** Parameters num_ids - the number of parameter IDs 810** p_param_ids - the parameter ID list. 811** 812** Returns tNFC_STATUS 813** 814*******************************************************************************/ 815tNFC_STATUS NFC_GetConfig (UINT8 num_ids, 816 UINT8 *p_param_ids) 817{ 818 return nci_snd_core_get_config (p_param_ids, num_ids); 819} 820 821/******************************************************************************* 822** 823** Function NFC_DiscoveryMap 824** 825** Description This function is called to set the discovery interface mapping. 826** The response from NFCC is reported by tNFC_DISCOVER_CBACK as. 827** NFC_MAP_DEVT. 828** 829** Parameters num - the number of items in p_params. 830** p_maps - the discovery interface mappings 831** p_cback - the discovery callback function 832** 833** Returns tNFC_STATUS 834** 835*******************************************************************************/ 836tNFC_STATUS NFC_DiscoveryMap (UINT8 num, tNFC_DISCOVER_MAPS *p_maps, 837 tNFC_DISCOVER_CBACK *p_cback) 838{ 839 UINT8 num_disc_maps = num; 840 UINT8 xx, yy, num_intf, intf_mask; 841 tNFC_DISCOVER_MAPS max_maps[NFC_NFCC_MAX_NUM_VS_INTERFACE + NCI_INTERFACE_MAX]; 842 BOOLEAN is_supported; 843 844 nfc_cb.p_discv_cback = p_cback; 845 num_intf = 0; 846 NFC_TRACE_DEBUG1 ("nci_interfaces supported by NFCC: 0x%x", nfc_cb.nci_interfaces); 847 for (xx = 0; xx < num_disc_maps; xx++) 848 { 849 is_supported = FALSE; 850 if (p_maps[xx].intf_type > NCI_INTERFACE_MAX) 851 { 852 for (yy = 0; yy < NFC_NFCC_MAX_NUM_VS_INTERFACE; yy++) 853 { 854 if (nfc_cb.vs_interface[yy] == p_maps[xx].intf_type) 855 is_supported = TRUE; 856 } 857 NFC_TRACE_DEBUG3 ("[%d]: vs intf_type:0x%x is_supported:%d", xx, p_maps[xx].intf_type, is_supported); 858 } 859 else 860 { 861 intf_mask = (1 << (p_maps[xx].intf_type)); 862 if (intf_mask & nfc_cb.nci_interfaces) 863 { 864 is_supported = TRUE; 865 } 866 NFC_TRACE_DEBUG4 ("[%d]: intf_type:%d intf_mask: 0x%x is_supported:%d", xx, p_maps[xx].intf_type, intf_mask, is_supported); 867 } 868 if (is_supported) 869 memcpy (&max_maps[num_intf++], &p_maps[xx], sizeof (tNFC_DISCOVER_MAPS)); 870 else 871 { 872 NFC_TRACE_WARNING1 ("NFC_DiscoveryMap interface=0x%x is not supported by NFCC", p_maps[xx].intf_type); 873 } 874 } 875 876 return nci_snd_discover_map_cmd (num_intf, (tNCI_DISCOVER_MAPS *) max_maps); 877} 878 879/******************************************************************************* 880** 881** Function NFC_DiscoveryStart 882** 883** Description This function is called to start Polling and/or Listening. 884** The response from NFCC is reported by tNFC_DISCOVER_CBACK as. 885** NFC_START_DEVT. The notification from NFCC is reported by 886** tNFC_DISCOVER_CBACK as NFC_RESULT_DEVT. 887** 888** Parameters num_params - the number of items in p_params. 889** p_params - the discovery parameters 890** p_cback - the discovery callback function 891** 892** Returns tNFC_STATUS 893** 894*******************************************************************************/ 895tNFC_STATUS NFC_DiscoveryStart (UINT8 num_params, 896 tNFC_DISCOVER_PARAMS *p_params, 897 tNFC_DISCOVER_CBACK *p_cback) 898{ 899 UINT8 *p; 900 int params_size; 901 tNFC_STATUS status = NFC_STATUS_NO_BUFFERS; 902 903 NFC_TRACE_API0 ("NFC_DiscoveryStart"); 904 if (nfc_cb.p_disc_pending) 905 { 906 NFC_TRACE_ERROR0 ("There's pending NFC_DiscoveryStart"); 907 status = NFC_STATUS_BUSY; 908 } 909 else 910 { 911 nfc_cb.p_discv_cback = p_cback; 912 nfc_cb.flags |= NFC_FL_DISCOVER_PENDING; 913 nfc_cb.flags |= NFC_FL_CONTROL_REQUESTED; 914 params_size = sizeof (tNFC_DISCOVER_PARAMS) * num_params; 915 nfc_cb.p_disc_pending = GKI_getbuf ((UINT16)(BT_HDR_SIZE + 1 + params_size)); 916 if (nfc_cb.p_disc_pending) 917 { 918 p = (UINT8 *)nfc_cb.p_disc_pending; 919 *p++ = num_params; 920 memcpy (p, p_params, params_size); 921 status = NFC_STATUS_CMD_STARTED; 922 nfc_ncif_check_cmd_queue (NULL); 923 } 924 } 925 926 NFC_TRACE_API1 ("NFC_DiscoveryStart status: 0x%x", status); 927 return status; 928} 929 930/******************************************************************************* 931** 932** Function NFC_DiscoverySelect 933** 934** Description If tNFC_DISCOVER_CBACK reports status=NFC_MULTIPLE_PROT, 935** the application needs to use this function to select the 936** the logical endpoint to continue. The response from NFCC is 937** reported by tNFC_DISCOVER_CBACK as NFC_SELECT_DEVT. 938** 939** Parameters rf_disc_id - The ID identifies the remote device. 940** protocol - the logical endpoint on the remote devide 941** rf_interface - the RF interface to communicate with NFCC 942** 943** Returns tNFC_STATUS 944** 945*******************************************************************************/ 946tNFC_STATUS NFC_DiscoverySelect (UINT8 rf_disc_id, 947 UINT8 protocol, 948 UINT8 rf_interface) 949{ 950 return nci_snd_discover_select_cmd (rf_disc_id, protocol, rf_interface); 951} 952 953/******************************************************************************* 954** 955** Function NFC_ConnCreate 956** 957** Description This function is called to create a logical connection with 958** NFCC for data exchange. 959** 960** Parameters dest_type - the destination type 961** id - the NFCEE ID or RF Discovery ID . 962** protocol - the protocol. 963** p_cback - the connection callback function 964** 965** Returns tNFC_STATUS 966** 967*******************************************************************************/ 968tNFC_STATUS NFC_ConnCreate (UINT8 dest_type, 969 UINT8 id, 970 UINT8 protocol, 971 tNFC_CONN_CBACK *p_cback) 972{ 973 tNFC_STATUS status = NFC_STATUS_FAILED; 974 tNFC_CONN_CB *p_cb; 975 UINT8 num_tlv=0, tlv_size=0; 976 UINT8 param_tlvs[4], *pp; 977 978 p_cb = nfc_alloc_conn_cb (p_cback); 979 if (p_cb) 980 { 981 p_cb->id = id; 982 pp = param_tlvs; 983 if (dest_type == NCI_DEST_TYPE_NFCEE) 984 { 985 num_tlv = 1; 986 UINT8_TO_STREAM (pp, NCI_CON_CREATE_TAG_NFCEE_VAL); 987 UINT8_TO_STREAM (pp, 2); 988 UINT8_TO_STREAM (pp, id); 989 UINT8_TO_STREAM (pp, protocol); 990 tlv_size = 4; 991 } 992 else if (dest_type == NCI_DEST_TYPE_REMOTE) 993 { 994 num_tlv = 1; 995 UINT8_TO_STREAM (pp, NCI_CON_CREATE_TAG_RF_DISC_ID); 996 UINT8_TO_STREAM (pp, 1); 997 UINT8_TO_STREAM (pp, id); 998 tlv_size = 3; 999 } 1000 else if (dest_type == NCI_DEST_TYPE_NFCC) 1001 { 1002 p_cb->id = NFC_TEST_ID; 1003 } 1004 /* Add handling of NCI_DEST_TYPE_REMOTE when more RF interface definitions are added */ 1005 p_cb->act_protocol = protocol; 1006 p_cb->p_cback = p_cback; 1007 status = nci_snd_core_conn_create (dest_type, num_tlv, tlv_size, param_tlvs); 1008 if (status == NFC_STATUS_FAILED) 1009 nfc_free_conn_cb (p_cb); 1010 } 1011 return status; 1012} 1013 1014/******************************************************************************* 1015** 1016** Function NFC_ConnClose 1017** 1018** Description This function is called to close a logical connection with 1019** NFCC. 1020** 1021** Parameters conn_id - the connection id. 1022** 1023** Returns tNFC_STATUS 1024** 1025*******************************************************************************/ 1026tNFC_STATUS NFC_ConnClose (UINT8 conn_id) 1027{ 1028 tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1029 tNFC_STATUS status = NFC_STATUS_FAILED; 1030 1031 if (p_cb) 1032 { 1033 status = nci_snd_core_conn_close (conn_id); 1034 } 1035 return status; 1036} 1037 1038/******************************************************************************* 1039** 1040** Function NFC_SetStaticRfCback 1041** 1042** Description This function is called to update the data callback function 1043** to receive the data for the given connection id. 1044** 1045** Parameters p_cback - the connection callback function 1046** 1047** Returns Nothing 1048** 1049*******************************************************************************/ 1050void NFC_SetStaticRfCback (tNFC_CONN_CBACK *p_cback) 1051{ 1052 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 1053 1054 p_cb->p_cback = p_cback; 1055 /* just in case DH has received NCI data before the data callback is set 1056 * check if there's any data event to report on this connection id */ 1057 nfc_data_event (p_cb); 1058} 1059 1060/******************************************************************************* 1061** 1062** Function NFC_SetReassemblyFlag 1063** 1064** Description This function is called to set if nfc will reassemble 1065** nci packet as much as its buffer can hold or it should not 1066** reassemble but forward the fragmented nci packet to layer above. 1067** If nci data pkt is fragmented, nfc may send multiple 1068** NFC_DATA_CEVT with status NFC_STATUS_CONTINUE before sending 1069** NFC_DATA_CEVT with status NFC_STATUS_OK based on reassembly 1070** configuration and reassembly buffer size 1071** 1072** Parameters reassembly - flag to indicate if nfc may reassemble or not 1073** 1074** Returns Nothing 1075** 1076*******************************************************************************/ 1077void NFC_SetReassemblyFlag (BOOLEAN reassembly) 1078{ 1079 nfc_cb.reassembly = reassembly; 1080} 1081 1082/******************************************************************************* 1083** 1084** Function NFC_SendData 1085** 1086** Description This function is called to send the given data packet 1087** to the connection identified by the given connection id. 1088** 1089** Parameters conn_id - the connection id. 1090** p_data - the data packet. 1091** p_data->offset must be >= NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE 1092** The data payload starts at ((UINT8 *) (p_data + 1) + p_data->offset) 1093** 1094** Returns tNFC_STATUS 1095** 1096*******************************************************************************/ 1097tNFC_STATUS NFC_SendData (UINT8 conn_id, 1098 BT_HDR *p_data) 1099{ 1100 tNFC_STATUS status = NFC_STATUS_FAILED; 1101 tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1102 1103 if (p_cb && p_data && p_data->offset >= NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE) 1104 { 1105 status = nfc_ncif_send_data (p_cb, p_data); 1106 } 1107 1108 if (status != NFC_STATUS_OK) 1109 GKI_freebuf (p_data); 1110 1111 return status; 1112} 1113 1114/******************************************************************************* 1115** 1116** Function NFC_FlushData 1117** 1118** Description This function is called to discard the tx data queue of 1119** the given connection id. 1120** 1121** Parameters conn_id - the connection id. 1122** 1123** Returns tNFC_STATUS 1124** 1125*******************************************************************************/ 1126tNFC_STATUS NFC_FlushData (UINT8 conn_id) 1127{ 1128 tNFC_STATUS status = NFC_STATUS_FAILED; 1129 tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1130 void *p_buf; 1131 1132 if (p_cb) 1133 { 1134 status = NFC_STATUS_OK; 1135 while ((p_buf = GKI_dequeue (&p_cb->tx_q)) != NULL) 1136 GKI_freebuf (p_buf); 1137 } 1138 1139 return status; 1140} 1141 1142/******************************************************************************* 1143** 1144** Function NFC_Deactivate 1145** 1146** Description This function is called to stop the discovery process or 1147** put the listen device in sleep mode or terminate the NFC link. 1148** 1149** The response from NFCC is reported by tNFC_DISCOVER_CBACK 1150** as NFC_DEACTIVATE_DEVT. 1151** 1152** Parameters deactivate_type - NFC_DEACTIVATE_TYPE_IDLE, to IDLE mode. 1153** NFC_DEACTIVATE_TYPE_SLEEP to SLEEP mode. 1154** NFC_DEACTIVATE_TYPE_SLEEP_AF to SLEEP_AF mode. 1155** 1156** Returns tNFC_STATUS 1157** 1158*******************************************************************************/ 1159tNFC_STATUS NFC_Deactivate (tNFC_DEACT_TYPE deactivate_type) 1160{ 1161 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 1162 tNFC_STATUS status = NFC_STATUS_OK; 1163 1164#if (BT_TRACE_VERBOSE == TRUE) 1165 NFC_TRACE_API3 ("NFC_Deactivate %d (%s) deactivate_type:%d", nfc_cb.nfc_state, nfc_state_name (nfc_cb.nfc_state), deactivate_type); 1166#else 1167 NFC_TRACE_API2 ("NFC_Deactivate %d deactivate_type:%d", nfc_cb.nfc_state, deactivate_type); 1168#endif 1169 1170 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 1171 { 1172 /* the HAL pre-discover is still active - clear the pending flag */ 1173 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 1174 if (!(nfc_cb.flags & NFC_FL_HAL_REQUESTED)) 1175 { 1176 /* if HAL did not request for control, clear this bit now */ 1177 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED; 1178 } 1179 GKI_freebuf (nfc_cb.p_disc_pending); 1180 nfc_cb.p_disc_pending = NULL; 1181 return NFC_STATUS_OK; 1182 } 1183 1184 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 1185 { 1186 nfc_set_state (NFC_STATE_CLOSING); 1187 NFC_TRACE_DEBUG3 ( "act_protocol %d credits:%d/%d", p_cb->act_protocol, p_cb->init_credits, p_cb->num_buff); 1188 if ((p_cb->act_protocol == NCI_PROTOCOL_NFC_DEP) && 1189 (p_cb->init_credits != p_cb->num_buff)) 1190 { 1191 nfc_cb.flags |= NFC_FL_DEACTIVATING; 1192 nfc_cb.deactivate_timer.param = (TIMER_PARAM_TYPE) deactivate_type; 1193 nfc_start_timer (&nfc_cb.deactivate_timer , (UINT16) (NFC_TTYPE_WAIT_2_DEACTIVATE), NFC_DEACTIVATE_TIMEOUT); 1194 return status; 1195 } 1196 } 1197 1198 status = nci_snd_deactivate_cmd (deactivate_type); 1199 return status; 1200} 1201 1202/******************************************************************************* 1203** 1204** Function NFC_UpdateRFCommParams 1205** 1206** Description This function is called to update RF Communication parameters 1207** once the Frame RF Interface has been activated. 1208** 1209** The response from NFCC is reported by tNFC_RESPONSE_CBACK 1210** as NFC_RF_COMM_PARAMS_UPDATE_REVT. 1211** 1212** Returns tNFC_STATUS 1213** 1214*******************************************************************************/ 1215tNFC_STATUS NFC_UpdateRFCommParams (tNFC_RF_COMM_PARAMS *p_params) 1216{ 1217 UINT8 tlvs[12]; 1218 UINT8 *p = tlvs; 1219 UINT8 data_exch_config; 1220 1221 /* RF Technology and Mode */ 1222 if (p_params->include_rf_tech_mode) 1223 { 1224 UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_TECH_N_MODE); 1225 UINT8_TO_STREAM (p, 1); 1226 UINT8_TO_STREAM (p, p_params->rf_tech_n_mode); 1227 } 1228 1229 /* Transmit Bit Rate */ 1230 if (p_params->include_tx_bit_rate) 1231 { 1232 UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_TX_BIT_RATE); 1233 UINT8_TO_STREAM (p, 1); 1234 UINT8_TO_STREAM (p, p_params->tx_bit_rate); 1235 } 1236 1237 /* Receive Bit Rate */ 1238 if (p_params->include_tx_bit_rate) 1239 { 1240 UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_RX_BIT_RATE); 1241 UINT8_TO_STREAM (p, 1); 1242 UINT8_TO_STREAM (p, p_params->rx_bit_rate); 1243 } 1244 1245 /* NFC-B Data Exchange Configuration */ 1246 if (p_params->include_nfc_b_config) 1247 { 1248 UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_B_DATA_EX_PARAM); 1249 UINT8_TO_STREAM (p, 1); 1250 1251 data_exch_config = (p_params->min_tr0 & 0x03) << 6; /* b7b6 : Mininum TR0 */ 1252 data_exch_config |= (p_params->min_tr1 & 0x03) << 4; /* b5b4 : Mininum TR1 */ 1253 data_exch_config |= (p_params->suppression_eos & 0x01) << 3; /* b3 : Suppression of EoS */ 1254 data_exch_config |= (p_params->suppression_sos & 0x01) << 2; /* b2 : Suppression of SoS */ 1255 data_exch_config |= (p_params->min_tr2 & 0x03); /* b1b0 : Mininum TR2 */ 1256 1257 UINT8_TO_STREAM (p, data_exch_config); 1258 } 1259 1260 return nci_snd_parameter_update_cmd (tlvs, (UINT8) (p - tlvs)); 1261} 1262 1263/******************************************************************************* 1264** 1265** Function NFC_SetPowerOffSleep 1266** 1267** Description This function closes/opens transport and turns off/on NFCC. 1268** 1269** Returns tNFC_STATUS 1270** 1271*******************************************************************************/ 1272tNFC_STATUS NFC_SetPowerOffSleep (BOOLEAN enable) 1273{ 1274 NFC_TRACE_API1 ("NFC_SetPowerOffSleep () enable = %d", enable); 1275 1276 if ( (enable == FALSE) 1277 &&(nfc_cb.nfc_state == NFC_STATE_NFCC_POWER_OFF_SLEEP) ) 1278 { 1279 nfc_cb.flags |= NFC_FL_RESTARTING; 1280 1281 /* open transport */ 1282 nfc_set_state (NFC_STATE_W4_HAL_OPEN); 1283 nfc_cb.p_hal->open (nfc_main_hal_cback, nfc_main_hal_data_cback); 1284 1285 return NFC_STATUS_OK; 1286 } 1287 else if ( (enable == TRUE) 1288 &&(nfc_cb.nfc_state == NFC_STATE_IDLE) ) 1289 { 1290 /* close transport to turn off NFCC and clean up */ 1291 nfc_cb.flags |= NFC_FL_POWER_OFF_SLEEP; 1292 nfc_task_shutdown_nfcc (); 1293 1294 return NFC_STATUS_OK; 1295 } 1296 1297 NFC_TRACE_ERROR1 ("NFC_SetPowerOffSleep () invalid state = %d", nfc_cb.nfc_state); 1298 return NFC_STATUS_FAILED; 1299} 1300 1301/******************************************************************************* 1302** 1303** Function NFC_PowerCycleNFCC 1304** 1305** Description This function turns off and then on NFCC. 1306** 1307** Returns tNFC_STATUS 1308** 1309*******************************************************************************/ 1310tNFC_STATUS NFC_PowerCycleNFCC (void) 1311{ 1312 NFC_TRACE_API0 ("NFC_PowerCycleNFCC ()"); 1313 1314 if (nfc_cb.nfc_state == NFC_STATE_IDLE) 1315 { 1316 /* power cycle NFCC */ 1317 nfc_cb.flags |= NFC_FL_POWER_CYCLE_NFCC; 1318 nfc_task_shutdown_nfcc (); 1319 1320 return NFC_STATUS_OK; 1321 } 1322 1323 NFC_TRACE_ERROR1 ("NFC_PowerCycleNFCC () invalid state = %d", nfc_cb.nfc_state); 1324 return NFC_STATUS_FAILED; 1325} 1326 1327 1328/******************************************************************************* 1329** 1330** Function NFC_SetTraceLevel 1331** 1332** Description This function sets the trace level for NFC. If called with 1333** a value of 0xFF, it simply returns the current trace level. 1334** 1335** Returns The new or current trace level 1336** 1337*******************************************************************************/ 1338UINT8 NFC_SetTraceLevel (UINT8 new_level) 1339{ 1340 NFC_TRACE_API1 ("NFC_SetTraceLevel () new_level = %d", new_level); 1341 1342 if (new_level != 0xFF) 1343 nfc_cb.trace_level = new_level; 1344 1345 return (nfc_cb.trace_level); 1346} 1347 1348#if (BT_TRACE_VERBOSE == TRUE) 1349/******************************************************************************* 1350** 1351** Function NFC_GetStatusName 1352** 1353** Description This function returns the status name. 1354** 1355** NOTE conditionally compiled to save memory. 1356** 1357** Returns pointer to the name 1358** 1359*******************************************************************************/ 1360char *NFC_GetStatusName (tNFC_STATUS status) 1361{ 1362 switch (status) 1363 { 1364 case NFC_STATUS_OK: 1365 return "OK"; 1366 case NFC_STATUS_REJECTED: 1367 return "REJECTED"; 1368 case NFC_STATUS_MSG_CORRUPTED: 1369 return "CORRUPTED"; 1370 case NFC_STATUS_BUFFER_FULL: 1371 return "BUFFER_FULL"; 1372 case NFC_STATUS_FAILED: 1373 return "FAILED"; 1374 case NFC_STATUS_NOT_INITIALIZED: 1375 return "NOT_INITIALIZED"; 1376 case NFC_STATUS_SYNTAX_ERROR: 1377 return "SYNTAX_ERROR"; 1378 case NFC_STATUS_SEMANTIC_ERROR: 1379 return "SEMANTIC_ERROR"; 1380 case NFC_STATUS_UNKNOWN_GID: 1381 return "UNKNOWN_GID"; 1382 case NFC_STATUS_UNKNOWN_OID: 1383 return "UNKNOWN_OID"; 1384 case NFC_STATUS_INVALID_PARAM: 1385 return "INVALID_PARAM"; 1386 case NFC_STATUS_MSG_SIZE_TOO_BIG: 1387 return "MSG_SIZE_TOO_BIG"; 1388 case NFC_STATUS_ALREADY_STARTED: 1389 return "ALREADY_STARTED"; 1390 case NFC_STATUS_ACTIVATION_FAILED: 1391 return "ACTIVATION_FAILED"; 1392 case NFC_STATUS_TEAR_DOWN: 1393 return "TEAR_DOWN"; 1394 case NFC_STATUS_RF_TRANSMISSION_ERR: 1395 return "RF_TRANSMISSION_ERR"; 1396 case NFC_STATUS_RF_PROTOCOL_ERR: 1397 return "RF_PROTOCOL_ERR"; 1398 case NFC_STATUS_TIMEOUT: 1399 return "TIMEOUT"; 1400 case NFC_STATUS_EE_INTF_ACTIVE_FAIL: 1401 return "EE_INTF_ACTIVE_FAIL"; 1402 case NFC_STATUS_EE_TRANSMISSION_ERR: 1403 return "EE_TRANSMISSION_ERR"; 1404 case NFC_STATUS_EE_PROTOCOL_ERR: 1405 return "EE_PROTOCOL_ERR"; 1406 case NFC_STATUS_EE_TIMEOUT: 1407 return "EE_TIMEOUT"; 1408 case NFC_STATUS_CMD_STARTED: 1409 return "CMD_STARTED"; 1410 case NFC_STATUS_HW_TIMEOUT: 1411 return "HW_TIMEOUT"; 1412 case NFC_STATUS_CONTINUE: 1413 return "CONTINUE"; 1414 case NFC_STATUS_REFUSED: 1415 return "REFUSED"; 1416 case NFC_STATUS_BAD_RESP: 1417 return "BAD_RESP"; 1418 case NFC_STATUS_CMD_NOT_CMPLTD: 1419 return "CMD_NOT_CMPLTD"; 1420 case NFC_STATUS_NO_BUFFERS: 1421 return "NO_BUFFERS"; 1422 case NFC_STATUS_WRONG_PROTOCOL: 1423 return "WRONG_PROTOCOL"; 1424 case NFC_STATUS_BUSY: 1425 return "BUSY"; 1426 case NFC_STATUS_LINK_LOSS: 1427 return "LINK_LOSS"; 1428 case NFC_STATUS_BAD_LENGTH: 1429 return "BAD_LENGTH"; 1430 case NFC_STATUS_BAD_HANDLE: 1431 return "BAD_HANDLE"; 1432 case NFC_STATUS_CONGESTED: 1433 return "CONGESTED"; 1434 default: 1435 return"UNKNOWN"; 1436 } 1437} 1438#endif 1439 1440#endif /* NFC_INCLUDED == TRUE */ 1441