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 * \file phFriNfc_NdefReg.c 19 * \Contains Registry and module functions. 20 * 21 * Project: NDEFT 22 * 23 * $Date: Mon May 25 13:59:32 2009 $ 24 * $Author: ing08150 $ 25 * $Revision: 1.4 $ 26 * $Aliases: NFC_FRI1.1_WK920_R25_1,NFC_FRI1.1_WK922_PREP1,NFC_FRI1.1_WK922_R26_1,NFC_FRI1.1_WK924_PREP1,NFC_FRI1.1_WK924_R27_1,NFC_FRI1.1_WK926_R28_1,NFC_FRI1.1_WK928_R29_1,NFC_FRI1.1_WK930_R30_1,NFC_FRI1.1_WK934_PREP_1,NFC_FRI1.1_WK934_R31_1,NFC_FRI1.1_WK941_PREP1,NFC_FRI1.1_WK941_PREP2,NFC_FRI1.1_WK941_1,NFC_FRI1.1_WK943_R32_1,NFC_FRI1.1_WK949_PREP1,NFC_FRI1.1_WK943_R32_10,NFC_FRI1.1_WK943_R32_13,NFC_FRI1.1_WK943_R32_14,NFC_FRI1.1_WK1007_R33_1,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 $ 27 * 28 */ 29 30 31 #include "phNfcTypes.h" 32 #include "phNfcStatus.h" 33 #include "phNfcCompId.h" 34 #include "phNfcHalTypes.h" 35 #include "phFriNfc.h" 36 #include "phFriNfc_NdefReg.h" 37 #include "phFriNfc_NdefRecord.h" 38 39 /* Harsha: To Fix: 0000358: phFriNfc_NdefRecord.h: includes should be moved */ 40 #include <string.h> 41 static int16_t phFriNfc_NdefReg_Strncmp (const int8_t *s1, const int8_t *s2, uint32_t count); 42 43 /********* String functions *********/ 44 45 static int16_t phFriNfc_NdefReg_Strncmp (const int8_t *s1, const int8_t *s2, uint32_t count) 46 { 47 return (int16_t)strncmp((const char*)s1,(const char*)s2, count); 48 } 49 int16_t phFriNfc_NdefReg_Strnicmp(const int8_t *s1, const int8_t *s2, uint32_t count) 50 { 51 int8_t c1, c2; 52 int16_t returnvalue; 53 do 54 { 55 c1 = *s1; 56 s1++; 57 if (c1 >=97) 58 c1 = (c1 - 32); 59 c2 = *s2; 60 s2++; 61 if (c2 >=97) 62 c2 = (c2 - 32); 63 --count; 64 } 65 while ( (c1 == c2) && (c1 != '\0') && (c2 != '\0') && (count > 0) ); 66 67 if ( (count == 0) || (c1 == c2) ) 68 returnvalue = 0; 69 70 else if ( (c1 > c2) ) 71 returnvalue = 1; 72 else 73 returnvalue = -1; 74 75 return(returnvalue); 76 } 77 78 /********* REGISTRY AND LISTENER MODULE *********/ 79 80 NFCSTATUS phFriNfc_NdefReg_Reset(phFriNfc_NdefReg_t *NdefReg, 81 uint8_t **NdefTypesarray, 82 phFriNfc_NdefRecord_t *RecordsExtracted, 83 phFriNfc_NdefReg_CbParam_t *CbParam, 84 uint8_t *ChunkedRecordsarray, 85 uint32_t NumberOfRecords) 86 { 87 NFCSTATUS status = NFCSTATUS_SUCCESS; 88 89 /* Reset/Initialise the values of the Context structure */ 90 /* Store the required pointers in the context structure */ 91 if(NdefReg == NULL || NdefTypesarray == NULL || RecordsExtracted == NULL || CbParam == NULL) 92 { 93 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_PARAMETER); 94 } 95 else 96 { 97 NdefReg->State=PH_FRINFC_NDEFREG_STATE_INIT; 98 NdefReg->NdefData=NULL; 99 NdefReg->NdefDataLength=0; 100 NdefReg->NdefTypeList=NULL; 101 NdefReg->NdefTypes = NdefTypesarray ; 102 NdefReg->RecordsExtracted = RecordsExtracted; 103 NdefReg->CbParam = CbParam; 104 NdefReg->validPreviousTnf = 0xff; 105 NdefReg->IsChunked = ChunkedRecordsarray; 106 NdefReg->NumberOfRecords = NumberOfRecords; 107 NdefReg->newRecordextracted = 0; 108 NdefReg->MainTnfFound = 0; 109 } 110 return(status); 111 } 112 113 /* Adds a NDEF type listener to the internal list of listeners*/ 114 /*Libraray does no allocation of the memory*/ 115 NFCSTATUS phFriNfc_NdefReg_AddCb(phFriNfc_NdefReg_t *NdefReg, 116 phFriNfc_NdefReg_Cb_t *NdefCb) 117 { 118 NFCSTATUS status = NFCSTATUS_SUCCESS; 119 120 if( NdefReg == NULL || NdefCb ==NULL) 121 { 122 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_PARAMETER); 123 } 124 else 125 { 126 /* Check whether we can accomodate all these records in a single node */ 127 if(NdefCb->NumberOfRTDs <= PH_FRINFC_NDEFREG_MAX_RTD_REGISTERED) 128 { 129 /* Yes, all these Records can be accomodated in a single node */ 130 /* No existing node. This will be the first Node */ 131 if(NdefReg->NdefTypeList==NULL) 132 { 133 NdefCb->Previous =NULL; 134 NdefCb->Next =NULL; 135 NdefReg->NdefTypeList = NdefCb; 136 } 137 else 138 { 139 /* Some nodes are existing. Add the new CB node at the front 140 of the List and update pointers */ 141 NdefCb->Next = NdefReg->NdefTypeList; 142 NdefCb->Previous = NULL; 143 NdefReg->NdefTypeList->Previous = NdefCb; 144 NdefReg->NdefTypeList = NdefReg->NdefTypeList->Previous; 145 } 146 } 147 else 148 { 149 /* We cannot accomodate more records than PH_FRINFC_NDEFREG_MAX_RTD_REGISTERED 150 in this node. 151 So return warning NFCSTATUS_INVALID_PARAMETER. */ 152 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, 153 NFCSTATUS_INVALID_PARAMETER); 154 } 155 } 156 157 return(status); 158 } 159 160 /*Removes a specific listener from the list. The element to remove is specified by its address.*/ 161 /*Libraray does no deallocation of the memory*/ 162 NFCSTATUS phFriNfc_NdefReg_RmCb(phFriNfc_NdefReg_t *NdefReg, 163 phFriNfc_NdefReg_Cb_t *NdefCb) 164 { 165 NFCSTATUS status = NFCSTATUS_SUCCESS; 166 phFriNfc_NdefReg_Cb_t *tempNode; 167 uint8_t found=0;/* to check for the node present or not */ 168 169 if( NdefReg==NULL || NdefCb ==NULL) 170 { 171 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_PARAMETER); 172 } 173 else 174 { 175 tempNode = NdefReg->NdefTypeList; 176 /* if the list is empty */ 177 if(NdefReg->NdefTypeList == NULL) 178 { 179 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_NOT_REGISTERED); 180 } 181 else 182 { 183 while(tempNode!=NULL) 184 { 185 if(NdefCb == tempNode) 186 { 187 found=1;/* if the node is present */ 188 189 /* node is present in the front of the list so 190 update the NdefReg->NdefTypeList pointer */ 191 if(tempNode->Previous==NULL && tempNode->Next!=NULL) 192 { 193 NdefReg->NdefTypeList =NdefReg->NdefTypeList->Next; 194 NdefReg->NdefTypeList->Previous = NULL; 195 break; 196 } 197 /* only one node in the list so update the head node */ 198 if(tempNode->Next==NULL && tempNode->Previous==NULL) 199 { 200 NdefReg->NdefTypeList=NULL; 201 break; 202 } 203 if (tempNode->Previous != NULL) 204 { 205 tempNode->Previous->Next = tempNode->Next; 206 } 207 if (tempNode->Next != NULL) 208 { 209 tempNode->Next->Previous = tempNode->Previous; 210 } 211 break; 212 } 213 /* move to the next node */ 214 tempNode = tempNode->Next; 215 } 216 } 217 if(!found ) 218 { 219 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_NOT_REGISTERED); 220 } 221 } 222 return(status); 223 } 224 225 /* Copy the relevant pointers to the context structure, change the 226 FSM state, so as to trigger the process and return pending. This function is non-blocking, 227 it returns once the operation is initiated or an error occurs */ 228 229 NFCSTATUS phFriNfc_NdefReg_DispatchPacket(phFriNfc_NdefReg_t *NdefReg, 230 uint8_t *PacketData, 231 uint16_t PacketDataLength) 232 { 233 NFCSTATUS status = NFCSTATUS_SUCCESS; 234 235 if(NdefReg==NULL ||PacketData==NULL || PacketDataLength==0) 236 { 237 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_PARAMETER); 238 } 239 else 240 { 241 NdefReg->NdefData = PacketData; 242 NdefReg->NdefDataLength = PacketDataLength; 243 NdefReg->State = PH_FRINFC_NDEFREG_STATE_DIS_PKT; 244 NdefReg->NumberOfNdefTypes = 0; 245 NdefReg->RecordIndex = 0; 246 NdefReg->RtdIndex = 0; 247 status = PHNFCSTVAL(CID_NFC_NONE, NFCSTATUS_SUCCESS); 248 } 249 return(status); 250 } 251 252 /* Copy the relevant pointers to the context structure, change the 253 FSM state, so as to trigger the process and return pending */ 254 NFCSTATUS phFriNfc_NdefReg_DispatchRecord(phFriNfc_NdefReg_t *NdefReg, 255 phFriNfc_NdefRecord_t *RecordsExtracted) 256 { 257 NFCSTATUS status = NFCSTATUS_SUCCESS; 258 if(NdefReg==NULL || RecordsExtracted==NULL) 259 { 260 status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_PARAMETER); 261 } 262 else 263 { 264 NdefReg->RecordsExtracted = RecordsExtracted; 265 NdefReg->State = PH_FRINFC_NDEFREG_STATE_DIS_RCD; 266 267 status = PHNFCSTVAL(CID_NFC_NONE, NFCSTATUS_SUCCESS); 268 } 269 return(status); 270 } 271 272 uint8_t phFriNfc_NdefReg_Process(phFriNfc_NdefReg_t *NdefReg, 273 NFCSTATUS *Status) 274 { 275 uint8_t count = 0, 276 ret_val=0, 277 TnfMatchFound = 0, 278 index = 0, 279 matchFound = 0; 280 281 282 283 if(NdefReg->NdefTypeList == NULL) 284 { 285 /* No Nodes added. Return error */ 286 *Status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_NOT_REGISTERED); 287 return(1); 288 } 289 290 *Status = NFCSTATUS_SUCCESS; 291 switch(NdefReg->State) 292 { 293 case PH_FRINFC_NDEFREG_STATE_DIS_RCD: 294 295 /* for START ( each node in the list NdefReg->NdefTypeList), do the following */ 296 for(index=0;index<NdefReg->NdefTypeList->NumberOfRTDs;index++) 297 { 298 /* First, Match should be done with The TNF*/ 299 if( (NdefReg->NdefTypeList->Tnf[index] & PH_FRINFC_NDEFRECORD_TNF_MASK ) == 300 (NdefReg->RecordsExtracted->Tnf & PH_FRINFC_NDEFRECORD_TNF_MASK ) ) 301 { 302 /* Second, Match should be done with The Typelength*/ 303 if( NdefReg->NdefTypeList->NdeftypeLength[index] == \ 304 NdefReg->RecordsExtracted->TypeLength ) 305 { 306 /* Third, Match should be done with The Type*/ 307 matchFound = 0; 308 switch(NdefReg->NdefTypeList->Tnf[index]) 309 { 310 case 1: 311 /* TNF = 0X01 NFC Forum well-known type : Case sensitive */ 312 /* comparison is to be made. */ 313 if( !phFriNfc_NdefReg_Strncmp( (const int8_t *)NdefReg->NdefTypeList->NdefType[index] , 314 (const int8_t *)(NdefReg->RecordsExtracted->Type), 315 NdefReg->RecordsExtracted->TypeLength)) 316 { 317 matchFound = 1; 318 } 319 break; 320 321 case 2: 322 case 4: 323 /* For TNF = 0X02 Media-type as defined in RFC 2046 324 From iana.org, it has never been found any registered media type 325 with non-ascii character ==> Comparison to be used for *types* in 326 *registry*: case INSENSITIVE comparison. 327 328 For TNF = 0X04 NFC Forum external type : ==> Comparison to be used 329 for *types* in *registry* : case INSENSITIVE comparison */ 330 if( !phFriNfc_NdefReg_Strnicmp( (int8_t *)NdefReg->NdefTypeList->NdefType[index] , 331 (int8_t *)(NdefReg->RecordsExtracted->Type), 332 NdefReg->RecordsExtracted->TypeLength)) 333 { 334 matchFound = 1; 335 } 336 break; 337 338 case 3: 339 /* TNF = 0X03 Absolute URI as defined in RFC 3986 [RFC 3986] 340 Big issue concerning the Encoding, which is actually determined 341 by the application.Conclusion is that: Comparison to be used for 342 *types* in *registry*: NONE. only TNF ; type should be ignored, 343 and its comparison shall be done by the application. */ 344 matchFound = 1; 345 break; 346 default: 347 break; 348 } 349 if(matchFound) 350 { 351 /* Copy the chunked flag info to the callback parameter */ 352 NdefReg->CbParam->Chunked[count] = (NdefReg->RecordsExtracted->Flags & \ 353 PH_FRINFC_NDEFRECORD_FLAGS_CF ); 354 355 /* NOTE: Raw record and the raw record size cannot be 356 copied as this itself is an extracted record ! */ 357 358 /* Copy the record in the format phFriNfc_NdefRecord_t 359 to the callback parameter */ 360 (void) memcpy( &NdefReg->CbParam->Records[count], 361 NdefReg->RecordsExtracted, 362 sizeof(phFriNfc_NdefRecord_t)); 363 count++; 364 } 365 } 366 } 367 } 368 369 /* now, we have all the matching entries for the RTDs present 370 in this particular node NdefReg->NdefTypeList. 371 call the callback */ 372 if(count>0) 373 { 374 NdefReg->CbParam->Count = count; 375 NdefReg->CbParam->CbContext = NdefReg->NdefTypeList->CbContext; 376 NdefReg->NdefTypeList->NdefCallback (NdefReg->CbParam); 377 } 378 else 379 { 380 NdefReg->CbParam->Count = 0; 381 } 382 383 /* for END ( each node in the list NdefReg->NdefTypeList), do the following */ 384 if(NdefReg->NdefTypeList->Next==NULL) 385 { 386 NdefReg->State = PH_FRINFC_NDEFREG_STATE_INIT; 387 while(NdefReg->NdefTypeList->Previous!=NULL) 388 { 389 NdefReg->NdefTypeList = NdefReg->NdefTypeList->Previous; 390 } 391 /* No further node present in the list. End of process function call */ 392 ret_val=1; 393 } 394 else 395 { 396 /* Move the linked list by one node.*/ 397 NdefReg->NdefTypeList = NdefReg->NdefTypeList->Next; 398 /* list is not empty so come again */ 399 ret_val=0; 400 } 401 break; 402 403 case PH_FRINFC_NDEFREG_STATE_DIS_PKT: 404 405 if(NdefReg->NumberOfNdefTypes == 0) 406 { 407 /* First, Get all the records present in the data packet NdefReg->NdefData 408 using NDEF tool library */ 409 /* and, get the NumberOfNdefTypes from NdefData */ 410 *Status = phFriNfc_NdefRecord_GetRecords( NdefReg->NdefData, 411 NdefReg->NdefDataLength, 412 NULL, 413 NdefReg->IsChunked, 414 &NdefReg->NumberOfNdefTypes); 415 if((*Status)!= NFCSTATUS_SUCCESS) 416 { 417 /* Error in the Packet. Exit from the process */ 418 ret_val = 1; 419 NdefReg->NumberOfNdefTypes = 0; 420 break; 421 } 422 423 if(NdefReg->NumberOfNdefTypes > NdefReg->NumberOfRecords) 424 { 425 /* There is not enough space in the arrays NdefReg->NdefTypes 426 and NdefReg->IsChunked, to write NdefReg->NumberOfRecords 427 number of records. Return error. */ 428 *Status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_BUFFER_TOO_SMALL); 429 ret_val = 1; 430 NdefReg->NumberOfNdefTypes = 0; 431 break; 432 } 433 434 /* Now, get the NdefTypes */ 435 *Status = phFriNfc_NdefRecord_GetRecords( NdefReg->NdefData, 436 NdefReg->NdefDataLength, 437 NdefReg->NdefTypes, 438 NdefReg->IsChunked, 439 &NdefReg->NumberOfNdefTypes); 440 if((*Status)!= NFCSTATUS_SUCCESS) 441 { 442 /* Error in the Packet. Exit from the process */ 443 ret_val = 1; 444 NdefReg->NumberOfNdefTypes = 0; 445 break; 446 } 447 } 448 449 /* For each record, in the arry NdefReg->NdefTypes, check 450 whether it matches with any of the registered RTD in the 451 present node. If it matches, copy this to the Callback 452 parameter array and increment count. 453 If count is 8, call the callback function. 454 Remember the record index that we last processed, before 455 calling the callback. */ 456 457 /* for each record in the Message */ 458 while(NdefReg->RecordIndex < NdefReg->NumberOfNdefTypes) 459 { 460 /* Extract a record from the Message */ 461 *Status = phFriNfc_NdefRecord_Parse(NdefReg->RecordsExtracted, 462 NdefReg->NdefTypes[NdefReg->RecordIndex]); 463 if((*Status)!= NFCSTATUS_SUCCESS) 464 { 465 /* Error in the Record. Exit from the process */ 466 NdefReg->NumberOfNdefTypes = 0; 467 return 1; 468 } 469 470 NdefReg->newRecordextracted = 1; 471 472 /* for each RTD in the present node */ 473 while(NdefReg->RtdIndex < NdefReg->NdefTypeList->NumberOfRTDs) 474 { 475 /* Harsha: Fix for 0000243: [JF] phFriNfc_NdefReg_Process 476 won't parse correctly chunked records */ 477 478 /* Check whether the TNF = 0x06 479 PH_FRINFC_NDEFRECORD_TNF_UNCHANGED */ 480 481 if((NdefReg->RecordsExtracted->Tnf & PH_FRINFC_NDEFRECORD_TNF_MASK ) == 482 PH_FRINFC_NDEFRECORD_TNF_UNCHANGED) 483 { 484 if(NdefReg->MainTnfFound == 1) 485 { 486 /* Matching RTD is there */ 487 TnfMatchFound = 1; 488 } 489 } 490 else 491 { 492 if(NdefReg->newRecordextracted) 493 { 494 NdefReg->MainTnfFound = 0; 495 } 496 /* This is a tnf other than 0x06. 497 that means, this is a valid tnf */ 498 NdefReg->validPreviousTnf = NdefReg->RecordsExtracted->Tnf; 499 500 /* First, Match should be done with The TNF*/ 501 /* Second, Match should be done with The Typelength*/ 502 /* Third, Match should be done with The Type*/ 503 if((NdefReg->NdefTypeList->Tnf[NdefReg->RtdIndex] & 504 PH_FRINFC_NDEFRECORD_TNF_MASK ) == 505 (NdefReg->RecordsExtracted->Tnf & PH_FRINFC_NDEFRECORD_TNF_MASK ) && 506 (NdefReg->NdefTypeList->NdeftypeLength[NdefReg->RtdIndex] == 507 NdefReg->RecordsExtracted->TypeLength)) 508 { 509 matchFound = 0; 510 switch(NdefReg->NdefTypeList->Tnf[NdefReg->RtdIndex]) 511 { 512 case 1: 513 /* TNF = 0X01 NFC Forum well-known type : Case sensitive 514 comparison is to be made. */ 515 if(!phFriNfc_NdefReg_Strncmp((const int8_t *)NdefReg->NdefTypeList->NdefType[NdefReg->RtdIndex], 516 (const int8_t *)(NdefReg->RecordsExtracted->Type), 517 NdefReg->RecordsExtracted->TypeLength)) 518 { 519 matchFound = 1; 520 } 521 break; 522 523 case 2: 524 case 4: 525 /* For TNF = 0X02 Media-type as defined in RFC 2046 526 From iana.org, it has never been found any registered media type 527 with non-ascii character ==> Comparison to be used for *types* in 528 *registry*: case INSENSITIVE comparison. */ 529 530 /* For TNF = 0X04 NFC Forum external type : ==> Comparison to be used 531 for *types* in *registry* : case INSENSITIVE comparison */ 532 if( !phFriNfc_NdefReg_Strnicmp( (int8_t *)NdefReg->NdefTypeList->NdefType[NdefReg->RtdIndex], 533 (int8_t *)(NdefReg->RecordsExtracted->Type), 534 NdefReg->RecordsExtracted->TypeLength)) 535 { 536 matchFound = 1; 537 } 538 break; 539 540 case 3: 541 /* TNF = 0X03 Absolute URI as defined in RFC 3986 [RFC 3986] 542 Big issue concerning the Encoding, which is actually determined 543 by the application.Conclusion is that: Comparison to be used for 544 *types* in *registry*: NONE. only TNF ; type should be ignored, 545 and its comparison shall be done by the application. */ 546 matchFound = 1; 547 break; 548 default: 549 break; 550 } 551 if(matchFound == 1) 552 { 553 TnfMatchFound = 1; 554 NdefReg->MainTnfFound = 1; 555 } 556 else 557 { 558 TnfMatchFound = 0; 559 } 560 } 561 else 562 { 563 TnfMatchFound = 0; 564 } 565 } 566 567 /* we have found a matching TNF */ 568 if(TnfMatchFound == 1) 569 { 570 /* Copy the chunked flag info to the callback parameter */ 571 NdefReg->CbParam->Chunked[count] = NdefReg->IsChunked[NdefReg->RecordIndex]; 572 573 /* Copy the raw record to the callback parameter */ 574 NdefReg->CbParam->RawRecord[count] = NdefReg->NdefTypes[NdefReg->RecordIndex]; 575 576 /* Copy the raw record size to the callback parameter */ 577 NdefReg->CbParam->RawRecordSize[count] = phFriNfc_NdefRecord_GetLength(NdefReg->RecordsExtracted); 578 579 /* Copy the record in the format phFriNfc_NdefRecord_t 580 to the callback parameter */ 581 (void) memcpy( &NdefReg->CbParam->Records[count], 582 NdefReg->RecordsExtracted, 583 sizeof(phFriNfc_NdefRecord_t)); 584 585 586 /*if count is greater than PH_FRINFC_NDEFREG_MAX_RTD (presently 8) 587 then call the callback since there can be more than 588 PH_FRINFC_NDEFREG_MAX_RTD of a single type with in the packet,as a result 589 call the callback and initialize count to zero.This may also happen 590 when there are chunked records */ 591 592 count++; 593 if(count >= PH_FRINFC_NDEFREG_MAX_RTD ) 594 { 595 NdefReg->CbParam->Count = count; 596 NdefReg->CbParam->CbContext = NdefReg->NdefTypeList->CbContext; 597 NdefReg->NdefTypeList->NdefCallback (NdefReg->CbParam); 598 count=0; 599 /* Only one callback per node. */ 600 NdefReg->RecordIndex++; 601 return(0); 602 } 603 } 604 605 /* If the match is already found for the UNCHANGED_TNF, 606 don't comapre it again */ 607 if((NdefReg->RecordsExtracted->Tnf & PH_FRINFC_NDEFRECORD_TNF_MASK ) 608 == PH_FRINFC_NDEFRECORD_TNF_UNCHANGED && 609 TnfMatchFound == 1) 610 { 611 TnfMatchFound = 0; 612 break; 613 } 614 615 NdefReg->RtdIndex++; 616 617 NdefReg->newRecordextracted = 0; 618 } /* for each RTD in the present node 619 while(NdefReg->RtdIndex < NdefReg->NdefTypeList->NumberOfRTDs) */ 620 621 /* One Record processing done for this node */ 622 623 NdefReg->RtdIndex = 0; 624 NdefReg->RecordIndex++; 625 } /* while(NdefReg->RecordIndex<NdefReg->NumberOfNdefTypes) */ 626 627 /* One node has been checked. Move to the next node */ 628 629 if(count>0) 630 { 631 NdefReg->CbParam->Count = count; 632 NdefReg->CbParam->CbContext = NdefReg->NdefTypeList->CbContext; 633 NdefReg->NdefTypeList->NdefCallback (NdefReg->CbParam); 634 } 635 else 636 { 637 NdefReg->CbParam->Count = 0; 638 } 639 640 if(NdefReg->NdefTypeList->Next==NULL) 641 { 642 /* All the nodes have been checked. Return */ 643 NdefReg->State = PH_FRINFC_NDEFREG_STATE_INIT; 644 while(NdefReg->NdefTypeList->Previous!=NULL) 645 { 646 NdefReg->NdefTypeList = NdefReg->NdefTypeList->Previous; 647 } 648 /* No further node present in the list. 649 End of Dispatch packet function. Return TRUE*/ 650 ret_val = 1; 651 } 652 else 653 { 654 /* Move the linked list by one node.*/ 655 NdefReg->NdefTypeList = NdefReg->NdefTypeList->Next; 656 /* list is not empty so come again */ 657 ret_val = 0; 658 } 659 660 /* Start from the first record again. */ 661 NdefReg->RecordIndex = 0; 662 NdefReg->RtdIndex = 0; 663 664 break; 665 666 default: 667 /* return error */ 668 *Status = PHNFCSTVAL(CID_FRI_NFC_NDEF_REGISTRY, NFCSTATUS_INVALID_DEVICE_REQUEST); 669 /* Unknown state Error exit from the process function */ 670 ret_val= 1; 671 break; 672 673 } 674 675 return(ret_val); 676 677 } 678 679 680
