1 /* 2 * Copyright (C) 2010 NXP Semiconductors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /*! 18 * =========================================================================== * 19 * * 20 * * 21 * \file phHciNfc_PollingLoop.c * 22 * \brief HCI polling loop Management Routines. * 23 * * 24 * * 25 * Project: NFC-FRI-1.1 * 26 * * 27 * $Date: Mon Mar 29 17:34:48 2010 $ * 28 * $Author: ing04880 $ * 29 * $Revision: 1.35 $ * 30 * $Aliases: NFC_FRI1.1_WK1007_R33_4,NFC_FRI1.1_WK1017_PREP1,NFC_FRI1.1_WK1017_R34_1,NFC_FRI1.1_WK1017_R34_2,NFC_FRI1.1_WK1023_R35_1 $ 31 * * 32 * =========================================================================== * 33 */ 34 35 /* 36 ***************************** Header File Inclusion **************************** 37 */ 38 #include <phNfcCompId.h> 39 #include <phNfcHalTypes.h> 40 #include <phHciNfc_Pipe.h> 41 #include <phHciNfc_PollingLoop.h> 42 #include <phOsalNfc.h> 43 /* 44 ****************************** Macro Definitions ******************************* 45 */ 46 47 /* Registry index to which command has to be sent */ 48 #define PL_PAUSE_INDEX 0x08U 49 #define PL_EMULATION_INDEX 0x07U 50 #define PL_RD_PHASES_INDEX 0x06U 51 #define PL_DISABLE_TARGET_INDEX 0x09U 52 53 /* Events */ 54 #define NXP_EVT_CLK_ACK 0x01U 55 #define NXP_EVT_CLK_REQUEST 0x02U 56 #define NXP_EVT_ACTIVATE_RDPHASES 0x03U 57 #define NXP_EVT_DEACTIVATE_RDPHASES 0x04U 58 59 /* Command length */ 60 #define PL_DURATION_LENGTH 0x02U 61 #define PL_BYTE_LEN_1 0x01U 62 63 #define PL_BIT_FIELD_ENABLED 0x01U 64 65 66 #define PL_EMULATION_FACTOR 0x0AU 67 /* Default duration (100 ms * 1000) micro seconds, 68 always duration shall be less then 3145680 69 micro seconds */ 70 #define PL_DEFAULT_DURATION 100000U 71 /* Maximum duration */ 72 #define PL_MAX_DURATION 3145000U 73 #define PL_DURATION_MIN_VALUE 48U 74 #define PL_DURATION_CALC(duration) \ 75 ((uint16_t)((duration)/PL_DURATION_MIN_VALUE)) 76 77 /* 78 *************************** Structure and Enumeration *************************** 79 */ 80 81 typedef enum phHciNfc_Poll_Seq{ 82 PL_PIPE_OPEN = 0x00U, 83 PL_PIPE_CLOSE, 84 PL_SET_DURATION, 85 PL_GET_DURATION, 86 PL_GET_RD_PHASES, 87 PL_SET_RD_PHASES, 88 PL_GET_DISABLE_TARGET, 89 PL_SET_DISABLE_TARGET, 90 PL_END_SEQUENCE 91 } phHciNfc_Poll_Seq_t; 92 93 /* Information structure for the polling loop Gate */ 94 typedef struct phHciNfc_PollLoop_Info{ 95 /* Current running Sequence of the polling loop Management */ 96 phHciNfc_Poll_Seq_t current_seq; 97 /* Next running Sequence of the polling loop Management */ 98 phHciNfc_Poll_Seq_t next_seq; 99 /* Pointer to the polling loop pipe information */ 100 phHciNfc_Pipe_Info_t *p_pipe_info; 101 uint8_t pipe_id; 102 } phHciNfc_PollLoop_Info_t; 103 104 /* 105 *************************** Static Function Declaration ************************** 106 */ 107 108 static 109 NFCSTATUS 110 phHciNfc_PollLoop_InfoUpdate( 111 phHciNfc_sContext_t *psHciContext, 112 uint8_t index, 113 uint8_t *reg_value, 114 uint8_t reg_length 115 ); 116 /** 117 * \ingroup grp_hci_nfc 118 * 119 * The phHciNfc_Recv_Pl_Response function interprets the received polling loop 120 * response from the Host Controller Gate. 121 * 122 * \param[in] psHciContext psHciContext is the pointer to HCI Layer 123 * context Structure. 124 * \param[in] pHwRef pHwRef is the Information of 125 * the Device Interface Link . 126 * \param[in,out] pResponse Response received from the Host Cotroller 127 * polling loop gate. 128 * \param[in] length length contains the length of the 129 * response received from the Host Controller. 130 * 131 * \retval NFCSTATUS_PENDING Polling loop gate Response to be received 132 * is pending. 133 * \retval NFCSTATUS_SUCCESS Polling loop gate Response received 134 * Successfully. 135 * \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters 136 * could not be interpreted properly. 137 * \retval Other errors Errors related to the other layers 138 * 139 */ 140 141 static 142 NFCSTATUS 143 phHciNfc_Recv_PollLoop_Response( 144 void *psContext, 145 void *pHwRef, 146 uint8_t *pResponse, 147 #ifdef ONE_BYTE_LEN 148 uint8_t length 149 #else 150 uint16_t length 151 #endif 152 ); 153 154 static 155 NFCSTATUS 156 phHciNfc_Recv_PollLoop_Event( 157 void *psContext, 158 void *pHwRef, 159 uint8_t *pEvent, 160 #ifdef ONE_BYTE_LEN 161 uint8_t length 162 #else 163 uint16_t length 164 #endif 165 ); 166 /* 167 *************************** Function Definitions *************************** 168 */ 169 170 NFCSTATUS 171 phHciNfc_PollLoop_Get_PipeID( 172 phHciNfc_sContext_t *psHciContext, 173 uint8_t *ppipe_id 174 ) 175 { 176 NFCSTATUS status = NFCSTATUS_SUCCESS; 177 178 if( (NULL != psHciContext) 179 && ( NULL != ppipe_id ) 180 && ( NULL != psHciContext->p_poll_loop_info ) 181 ) 182 { 183 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 184 p_poll_info = (phHciNfc_PollLoop_Info_t *) 185 psHciContext->p_poll_loop_info ; 186 *ppipe_id = p_poll_info->pipe_id ; 187 } 188 else 189 { 190 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 191 } 192 return status; 193 } 194 195 NFCSTATUS 196 phHciNfc_PollLoop_Init_Resources( 197 phHciNfc_sContext_t *psHciContext 198 ) 199 { 200 NFCSTATUS status = NFCSTATUS_SUCCESS; 201 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 202 if( NULL == psHciContext ) 203 { 204 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 205 } 206 else 207 { 208 if( 209 ( NULL == psHciContext->p_poll_loop_info ) 210 && (phHciNfc_Allocate_Resource((void **)(&p_poll_info), 211 sizeof(phHciNfc_PollLoop_Info_t))== NFCSTATUS_SUCCESS) 212 ) 213 { 214 psHciContext->p_poll_loop_info = p_poll_info; 215 p_poll_info->current_seq = PL_PIPE_OPEN; 216 p_poll_info->next_seq = PL_PIPE_CLOSE; 217 p_poll_info->pipe_id = (uint8_t)HCI_UNKNOWN_PIPE_ID; 218 } 219 else 220 { 221 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INSUFFICIENT_RESOURCES); 222 } 223 224 } 225 return status; 226 } 227 228 /*! 229 * \brief Initialisation of polling loop Gate and Establish the Session . 230 * 231 * This function initialses the polling loop Gates and 232 * all the required pipes and sets the Session ID 233 * 234 */ 235 NFCSTATUS 236 phHciNfc_PollLoop_Initialise( 237 phHciNfc_sContext_t *psHciContext, 238 void *pHwRef 239 ) 240 { 241 NFCSTATUS status = NFCSTATUS_SUCCESS; 242 243 if( NULL == psHciContext ) 244 { 245 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 246 } 247 else 248 { 249 if( NULL == psHciContext->p_poll_loop_info ) 250 { 251 status = PHNFCSTVAL(CID_NFC_HCI, 252 NFCSTATUS_INVALID_HCI_INFORMATION); 253 } 254 else 255 { 256 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 257 phHciNfc_Pipe_Info_t *p_pipe_info = NULL; 258 p_poll_info = (phHciNfc_PollLoop_Info_t *) 259 psHciContext->p_poll_loop_info ; 260 p_pipe_info = p_poll_info->p_pipe_info; 261 if(NULL == p_pipe_info ) 262 { 263 status = PHNFCSTVAL(CID_NFC_HCI, 264 NFCSTATUS_INVALID_HCI_SEQUENCE); 265 } 266 else 267 { 268 HCI_PRINT("Polling loop open pipe in progress ...\n"); 269 status = phHciNfc_Open_Pipe( psHciContext, 270 pHwRef, p_pipe_info ); 271 if(NFCSTATUS_SUCCESS == status) 272 { 273 p_poll_info->next_seq = PL_PIPE_CLOSE; 274 } 275 } 276 } 277 } 278 return status; 279 } 280 281 NFCSTATUS 282 phHciNfc_PollLoop_Release( 283 phHciNfc_sContext_t *psHciContext, 284 void *pHwRef 285 ) 286 { 287 NFCSTATUS status = NFCSTATUS_SUCCESS; 288 if( (NULL == psHciContext) || (NULL == pHwRef) ) 289 { 290 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 291 } 292 else 293 { 294 if( NULL != psHciContext->p_poll_loop_info ) 295 { 296 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 297 p_poll_info = (phHciNfc_PollLoop_Info_t *) 298 psHciContext->p_poll_loop_info ; 299 if (PL_PIPE_CLOSE == p_poll_info->current_seq) 300 { 301 phHciNfc_Pipe_Info_t *p_pipe_info = NULL; 302 p_pipe_info = p_poll_info->p_pipe_info; 303 if(NULL == p_pipe_info ) 304 { 305 status = PHNFCSTVAL(CID_NFC_HCI, 306 NFCSTATUS_INVALID_HCI_SEQUENCE); 307 } 308 else 309 { 310 HCI_PRINT("Polling loop close pipe in progress ...\n"); 311 status = phHciNfc_Close_Pipe( psHciContext, 312 pHwRef, p_pipe_info ); 313 if(status == NFCSTATUS_SUCCESS) 314 { 315 p_poll_info->next_seq = PL_PIPE_OPEN; 316 } 317 } 318 } 319 else 320 { 321 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_SEQUENCE); 322 } /* End of if (PL_PIPE_CLOSE == p_pl_info->cur_seq) */ 323 } 324 else 325 { 326 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED); 327 } /* End of if( NULL != psHciContext->p_poll_loop_info ) */ 328 } /* End of if( (NULL == psHciContext) || (NULL == pHwRef) ) */ 329 return status; 330 } 331 332 NFCSTATUS 333 phHciNfc_PollLoop_Cfg ( 334 void *psHciHandle, 335 void *pHwRef, 336 uint8_t cfg_type, 337 void *pcfg_info 338 ) 339 { 340 NFCSTATUS status = NFCSTATUS_SUCCESS; 341 phHciNfc_sContext_t *psHciContext = ((phHciNfc_sContext_t *)psHciHandle); 342 uint8_t poll_cfg; 343 static uint16_t pl_duration = 0; 344 345 /* To remove "warning (VS C4100) : unreferenced formal parameter" */ 346 PHNFC_UNUSED_VARIABLE(pcfg_info); 347 348 if( (NULL == psHciContext) 349 || (NULL == pHwRef) 350 ) 351 { 352 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 353 } 354 else if(NULL == psHciContext->p_poll_loop_info) 355 { 356 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED); 357 } 358 else 359 { 360 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 361 phHciNfc_Pipe_Info_t *p_pipe_info=NULL; 362 phHal_sADD_Cfg_t *p_poll_cfg = NULL; 363 uint8_t pipeid = 0; 364 365 p_poll_cfg = (phHal_sADD_Cfg_t*)psHciContext->p_config_params; 366 p_poll_info = (phHciNfc_PollLoop_Info_t *) 367 psHciContext->p_poll_loop_info ; 368 p_pipe_info = p_poll_info->p_pipe_info; 369 if((NULL == p_pipe_info) || (NULL == p_poll_cfg)) 370 { 371 status = PHNFCSTVAL(CID_NFC_HCI, 372 NFCSTATUS_INVALID_HCI_SEQUENCE); 373 } 374 else 375 { 376 switch(cfg_type) 377 { 378 case PL_DURATION: 379 { 380 /* 381 Data memory has to be copied to 382 param_info and also depending on the 383 CARD_EMULATION or PAUSE, change the 384 p_pipe_info->reg_index 385 */ 386 if(p_poll_cfg->Duration > PL_MAX_DURATION) 387 { 388 p_poll_cfg->Duration = PL_MAX_DURATION; 389 } 390 391 392 if (FALSE == 393 p_poll_cfg->PollDevInfo.PollCfgInfo.DisableCardEmulation) 394 { 395 p_poll_cfg->Duration = ((p_poll_cfg->Duration < 396 PL_DURATION_MIN_VALUE)? 397 (PL_DEFAULT_DURATION * 398 PL_EMULATION_FACTOR): 399 p_poll_cfg->Duration ); 400 p_pipe_info->reg_index = PL_EMULATION_INDEX; 401 } 402 else 403 { 404 p_poll_cfg->Duration = ((p_poll_cfg->Duration < 405 PL_DURATION_MIN_VALUE)? 406 PL_DEFAULT_DURATION : 407 p_poll_cfg->Duration); 408 p_pipe_info->reg_index = PL_PAUSE_INDEX; 409 } 410 p_pipe_info->param_length = PL_DURATION_LENGTH; 411 412 /* Calculate duration */ 413 pl_duration = (uint16_t) 414 PL_DURATION_CALC(p_poll_cfg->Duration); 415 416 /* Swap the 2 byte value */ 417 pl_duration = (uint16_t)((pl_duration << BYTE_SIZE) | 418 ((uint8_t)(pl_duration >> BYTE_SIZE))); 419 /* Copy the duration from poll config structure, 420 provided by the upper layer */ 421 p_pipe_info->param_info = (void *)&(pl_duration); 422 423 pipeid = p_poll_info->pipe_id ; 424 if (PL_GET_DURATION == p_poll_info->current_seq) 425 { 426 status = 427 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 428 pipeid, (uint8_t)ANY_GET_PARAMETER); 429 if (NFCSTATUS_PENDING == status) 430 { 431 p_poll_info->next_seq = PL_PIPE_CLOSE; 432 status = NFCSTATUS_SUCCESS; 433 } 434 } 435 else 436 { 437 status = 438 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 439 pipeid, (uint8_t)ANY_SET_PARAMETER); 440 if(NFCSTATUS_PENDING == status ) 441 { 442 #ifdef ENABLE_VERIFY_PARAM 443 p_poll_info->next_seq = PL_GET_DURATION; 444 #else 445 status = NFCSTATUS_SUCCESS; 446 #endif /* #ifdef ENABLE_VERIFY_PARAM */ 447 } 448 } 449 break; 450 } 451 case PL_RD_PHASES: 452 { 453 poll_cfg = (uint8_t) p_poll_cfg->PollDevInfo.PollEnabled; 454 p_pipe_info->param_length = PL_BYTE_LEN_1; 455 p_pipe_info->reg_index = PL_RD_PHASES_INDEX; 456 457 /* Data memory has to be copied to 458 param_info */ 459 p_pipe_info->param_info = (void *)&(poll_cfg); 460 pipeid = p_poll_info->pipe_id ; 461 if (PL_GET_RD_PHASES == p_poll_info->current_seq) 462 { 463 status = 464 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 465 pipeid, (uint8_t)ANY_GET_PARAMETER); 466 if (NFCSTATUS_PENDING == status) 467 { 468 status = NFCSTATUS_SUCCESS; 469 } 470 } 471 else 472 { 473 status = 474 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 475 pipeid, (uint8_t)ANY_SET_PARAMETER); 476 if(NFCSTATUS_PENDING == status ) 477 { 478 #ifdef ENABLE_VERIFY_PARAM 479 p_poll_info->next_seq = PL_GET_RD_PHASES; 480 #else 481 status = NFCSTATUS_SUCCESS; 482 #endif /* #ifdef ENABLE_VERIFY_PARAM */ 483 } 484 } 485 break; 486 } 487 case PL_DISABLE_TARGET: 488 { 489 if (NULL == pcfg_info) 490 { 491 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 492 } 493 else 494 { 495 /* poll_cfg = (uint8_t) p_poll_cfg->NfcIP_Tgt_Disable; */ 496 p_pipe_info->param_length = PL_BYTE_LEN_1; 497 p_pipe_info->reg_index = PL_DISABLE_TARGET_INDEX; 498 499 /* Data memory has to be copied to 500 param_info */ 501 p_pipe_info->param_info = pcfg_info; 502 pipeid = p_poll_info->pipe_id ; 503 if (PL_GET_DISABLE_TARGET == p_poll_info->current_seq) 504 { 505 status = 506 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 507 pipeid, (uint8_t)ANY_GET_PARAMETER); 508 if (NFCSTATUS_PENDING == status) 509 { 510 status = NFCSTATUS_SUCCESS; 511 } 512 } 513 else 514 { 515 status = 516 phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef, 517 pipeid, (uint8_t)ANY_SET_PARAMETER); 518 if( NFCSTATUS_PENDING == status ) 519 { 520 #ifdef ENABLE_VERIFY_PARAM 521 /* p_poll_info->current_seq = PL_GET_DISABLE_TARGET; */ 522 p_poll_info->next_seq = PL_GET_DISABLE_TARGET; 523 #else 524 status = NFCSTATUS_SUCCESS; 525 #endif /* #ifdef ENABLE_VERIFY_PARAM */ 526 } 527 } 528 } 529 break; 530 } 531 default: 532 { 533 status = PHNFCSTVAL(CID_NFC_HCI, 534 NFCSTATUS_INVALID_PARAMETER); 535 break; 536 } 537 } 538 } 539 } 540 return status; 541 } 542 543 /* Function to assign pipe ID */ 544 NFCSTATUS 545 phHciNfc_PollLoop_Update_PipeInfo( 546 phHciNfc_sContext_t *psHciContext, 547 uint8_t pipeID, 548 phHciNfc_Pipe_Info_t *pPipeInfo 549 ) 550 { 551 NFCSTATUS status = NFCSTATUS_SUCCESS; 552 553 if( NULL == psHciContext ) 554 { 555 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 556 } 557 else if ( NULL == psHciContext->p_poll_loop_info ) 558 { 559 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED); 560 } 561 else 562 { 563 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 564 p_poll_info = (phHciNfc_PollLoop_Info_t *) 565 psHciContext->p_poll_loop_info ; 566 /* Update the pipe_id of the ID Mgmt Gate obtained from the HCI Response */ 567 p_poll_info->pipe_id = pipeID; 568 p_poll_info->p_pipe_info = pPipeInfo; 569 if (NULL != pPipeInfo) 570 { 571 /* Update the Response Receive routine of the IDMgmt Gate */ 572 pPipeInfo->recv_resp = &phHciNfc_Recv_PollLoop_Response; 573 /* Update the event Receive routine of the IDMgmt Gate */ 574 pPipeInfo->recv_event = &phHciNfc_Recv_PollLoop_Event; 575 } 576 } 577 578 return status; 579 } 580 581 static 582 NFCSTATUS 583 phHciNfc_Recv_PollLoop_Response( 584 void *psContext, 585 void *pHwRef, 586 uint8_t *pResponse, 587 #ifdef ONE_BYTE_LEN 588 uint8_t length 589 #else 590 uint16_t length 591 #endif 592 ) 593 { 594 NFCSTATUS status = NFCSTATUS_SUCCESS; 595 phHciNfc_sContext_t *psHciContext = 596 (phHciNfc_sContext_t *)psContext ; 597 598 599 if( (NULL == psHciContext) || (NULL == pHwRef) || (NULL == pResponse) 600 || (length == 0)) 601 { 602 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 603 } 604 else if( NULL == psHciContext->p_poll_loop_info ) 605 { 606 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED); 607 } 608 else 609 { 610 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 611 uint8_t prev_cmd = ANY_GET_PARAMETER; 612 p_poll_info = (phHciNfc_PollLoop_Info_t *) 613 psHciContext->p_poll_loop_info ; 614 if( NULL == p_poll_info->p_pipe_info) 615 { 616 status = PHNFCSTVAL(CID_NFC_HCI, 617 NFCSTATUS_INVALID_HCI_SEQUENCE); 618 } 619 else 620 { 621 prev_cmd = p_poll_info->p_pipe_info->prev_msg ; 622 switch(prev_cmd) 623 { 624 case ANY_SET_PARAMETER: 625 { 626 HCI_PRINT("Polling loop Set Param complete\n"); 627 break; 628 } 629 case ANY_GET_PARAMETER: 630 { 631 status = phHciNfc_PollLoop_InfoUpdate(psHciContext, 632 p_poll_info->p_pipe_info->reg_index, 633 &pResponse[HCP_HEADER_LEN], 634 (uint8_t)(length - HCP_HEADER_LEN)); 635 break; 636 } 637 case ANY_OPEN_PIPE: 638 { 639 HCI_PRINT("Polling loop open pipe complete\n"); 640 break; 641 } 642 case ANY_CLOSE_PIPE: 643 { 644 HCI_PRINT("Polling loop close pipe complete\n"); 645 break; 646 } 647 default: 648 { 649 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_RESPONSE); 650 break; 651 } 652 } 653 if( NFCSTATUS_SUCCESS == status ) 654 { 655 p_poll_info->p_pipe_info->prev_status = NFCSTATUS_SUCCESS; 656 p_poll_info->current_seq = p_poll_info->next_seq; 657 } 658 } 659 } 660 return status; 661 } 662 663 static 664 NFCSTATUS 665 phHciNfc_Recv_PollLoop_Event( 666 void *psContext, 667 void *pHwRef, 668 uint8_t *pEvent, 669 #ifdef ONE_BYTE_LEN 670 uint8_t length 671 #else 672 uint16_t length 673 #endif 674 ) 675 { 676 NFCSTATUS status = NFCSTATUS_SUCCESS; 677 phHciNfc_sContext_t *psHciContext = 678 (phHciNfc_sContext_t *)psContext ; 679 if( (NULL == psHciContext) || (NULL == pHwRef) || (NULL == pEvent) 680 || (length <= HCP_HEADER_LEN)) 681 { 682 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER); 683 } 684 else if( NULL == psHciContext->p_poll_loop_info ) 685 { 686 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED); 687 } 688 else 689 { 690 phHciNfc_HCP_Packet_t *p_packet = NULL; 691 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 692 phHciNfc_HCP_Message_t *message = NULL; 693 static phHal_sEventInfo_t event_info; 694 uint8_t instruction=0; 695 696 p_poll_info = (phHciNfc_PollLoop_Info_t *) 697 psHciContext->p_poll_loop_info ; 698 699 PHNFC_UNUSED_VARIABLE(p_poll_info); 700 p_packet = (phHciNfc_HCP_Packet_t *)pEvent; 701 message = &p_packet->msg.message; 702 /* Get the instruction bits from the Message Header */ 703 instruction = (uint8_t) GET_BITS8( message->msg_header, 704 HCP_MSG_INSTRUCTION_OFFSET, HCP_MSG_INSTRUCTION_LEN); 705 706 switch(instruction) 707 { 708 case NXP_EVT_CLK_ACK: 709 { 710 break; 711 } 712 case NXP_EVT_CLK_REQUEST: 713 { 714 break; 715 } 716 case NXP_EVT_ACTIVATE_RDPHASES: 717 { 718 HCI_PRINT("Polling loop activate read phase complete\n"); 719 event_info.eventHost = phHal_eHostController; 720 event_info.eventType = NFC_UICC_RDPHASES_ACTIVATE_REQ; 721 event_info.eventInfo.rd_phases = pEvent[HCP_HEADER_LEN]; 722 ((phHal_sHwReference_t *)pHwRef)->uicc_rdr_active = TRUE; 723 phHciNfc_Notify_Event((void *)psHciContext, 724 pHwRef, 725 NFC_NOTIFY_EVENT, 726 &(event_info)); 727 break; 728 } 729 case NXP_EVT_DEACTIVATE_RDPHASES: 730 { 731 HCI_PRINT("Polling loop deactivate read phase complete\n"); 732 event_info.eventHost = phHal_eHostController; 733 event_info.eventType = NFC_UICC_RDPHASES_DEACTIVATE_REQ; 734 event_info.eventInfo.rd_phases = pEvent[HCP_HEADER_LEN]; 735 ((phHal_sHwReference_t *)pHwRef)->uicc_rdr_active = FALSE; 736 phHciNfc_Notify_Event((void *)psHciContext, 737 pHwRef, 738 NFC_NOTIFY_EVENT, 739 &(event_info)); 740 break; 741 } 742 default: 743 { 744 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_RESPONSE); 745 break; 746 } 747 } 748 } 749 return status; 750 } 751 752 753 static 754 NFCSTATUS 755 phHciNfc_PollLoop_InfoUpdate( 756 phHciNfc_sContext_t *psHciContext, 757 uint8_t index, 758 uint8_t *reg_value, 759 uint8_t reg_length 760 ) 761 { 762 NFCSTATUS status = NFCSTATUS_SUCCESS; 763 phHciNfc_PollLoop_Info_t *p_poll_info=NULL; 764 p_poll_info = (phHciNfc_PollLoop_Info_t *) 765 (psHciContext->p_poll_loop_info ); 766 /* To remove "warning (VS 4100) : unreferenced formal parameter" */ 767 PHNFC_UNUSED_VARIABLE(reg_value); 768 PHNFC_UNUSED_VARIABLE(reg_length); 769 /* Variable was set but never used (ARM warning) */ 770 PHNFC_UNUSED_VARIABLE(p_poll_info); 771 switch(index) 772 { 773 case PL_EMULATION_INDEX: 774 case PL_PAUSE_INDEX: 775 { 776 HCI_PRINT_BUFFER("\tPoll duration", reg_value, reg_length); 777 break; 778 } 779 case PL_RD_PHASES_INDEX: 780 { 781 HCI_PRINT_BUFFER("\tPoll read phase", reg_value, reg_length); 782 break; 783 } 784 #if defined (CLK_REQUEST) 785 case PL_CLK_REQUEST_INDEX: 786 { 787 HCI_PRINT_BUFFER("\tPoll clock request", reg_value, reg_length); 788 break; 789 } 790 #endif /* #if defined (CLK_REQUEST) */ 791 #if defined (INPUT_CLK) 792 case PL_INPUT_CLK_INDEX: 793 { 794 HCI_PRINT_BUFFER("\tPoll input clock", reg_value, reg_length); 795 break; 796 } 797 #endif/* #if defined (INPUT_CLK) */ 798 default: 799 { 800 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_RESPONSE); 801 break; 802 } 803 } 804 return status; 805 } 806 807 808