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 phLlcNfc_Timer.c 19 * \brief To create, start, stop and destroy timer. 20 * 21 * Project: NFC-FRI-1.1 22 * 23 * $Date: Mon Jun 14 11:47:54 2010 $ 24 * $Author: ing02260 $ 25 * $Revision: 1.55 $ 26 * $Aliases: NFC_FRI1.1_WK1023_R35_2,NFC_FRI1.1_WK1023_R35_1 $ 27 * 28 */ 29 30 /*************************** Includes *******************************/ 31 #include <phNfcTypes.h> 32 #include <phNfcStatus.h> 33 #include <phOsalNfc.h> 34 #include <phOsalNfc_Timer.h> 35 #include <phNfcInterface.h> 36 #include <phLlcNfc.h> 37 #include <phLlcNfc_DataTypes.h> 38 #include <phLlcNfc_Interface.h> 39 #include <phLlcNfc_Frame.h> 40 #include <phLlcNfc_Timer.h> 41 42 /*********************** End of includes ****************************/ 43 44 /***************************** Macros *******************************/ 45 /**< Timer for connection timer index */ 46 #define PH_LLCNFC_CONNECTION_TO_INDEX (0x00) 47 /**< 0x0A Timer for ack time out value */ 48 #define PH_LLCNFC_ACK_TO_VALUE (1000) 49 /**< Maximum guard timer can be present */ 50 #define PH_LLCNFC_MAX_GUARD_TIMER (0x04) 51 /** Connection time out bit to set */ 52 #define PH_LLCNFC_CON_TO_BIT (0) 53 /** Guard time out bit to set */ 54 #define PH_LLCNFC_GUARD_TO_BIT (1) 55 /** Ack time out bit to set */ 56 #define PH_LLCNFC_ACK_TO_BIT (2) 57 /** No of bits to set */ 58 #define PH_LLCNFC_TO_NOOFBITS (1) 59 /** Connection time out bit value */ 60 #define PH_LLCNFC_CON_TO_BIT_VAL (0x01) 61 /** Guard time out bit to set */ 62 #define PH_LLCNFC_GUARD_TO_BIT_VAL (0x02) 63 64 #define GUARD_TO_URSET 65 66 67 /************************ End of macros *****************************/ 68 69 /*********************** Local functions ****************************/ 70 /* This callback is for guard time out */ 71 #ifdef LLC_TIMER_ENABLE 72 static 73 void 74 phLlcNfc_GuardTimeoutCb ( 75 uint32_t TimerId, 76 void *pContext 77 ); 78 79 80 #ifdef PIGGY_BACK 81 /* This callback is for acknowledge time out */ 82 static 83 void 84 phLlcNfc_AckTimeoutCb ( 85 uint32_t TimerId 86 ); 87 #endif 88 89 /* This callback is for connection time out */ 90 static 91 void 92 phLlcNfc_ConnectionTimeoutCb ( 93 uint32_t TimerId, 94 void *pContext 95 ); 96 #endif /* #ifdef LLC_TIMER_ENABLE */ 97 98 /******************** End of Local functions ************************/ 99 100 /********************** Global variables ****************************/ 101 static phLlcNfc_Context_t *gpphLlcNfc_Ctxt = NULL; 102 103 /******************** End of Global Variables ***********************/ 104 105 NFCSTATUS 106 phLlcNfc_TimerInit( 107 phLlcNfc_Context_t *psLlcCtxt 108 ) 109 { 110 NFCSTATUS result = PHNFCSTVAL(CID_NFC_LLC, 111 NFCSTATUS_INVALID_PARAMETER); 112 uint8_t index = 0; 113 if (NULL != psLlcCtxt) 114 { 115 result = NFCSTATUS_SUCCESS; 116 gpphLlcNfc_Ctxt = psLlcCtxt; 117 while (index < PH_LLCNFC_MAX_TIMER_USED) 118 { 119 #ifdef LLC_TIMER_ENABLE 120 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[index] = 121 PH_OSALNFC_INVALID_TIMER_ID; 122 #endif /* #ifdef LLC_TIMER_ENABLE */ 123 index++; 124 } 125 } 126 return result; 127 } 128 129 void 130 phLlcNfc_TimerUnInit( 131 phLlcNfc_Context_t *psLlcCtxt 132 ) 133 { 134 uint8_t index = 0; 135 if ((NULL != gpphLlcNfc_Ctxt) && 136 (gpphLlcNfc_Ctxt == psLlcCtxt)) 137 { 138 while (index <= PH_LLCNFC_ACKTIMER) 139 { 140 if (PH_LLCNFC_GUARDTIMER == index) 141 { 142 phLlcNfc_StopTimers (index, 143 gpphLlcNfc_Ctxt->s_timerinfo.guard_to_count); 144 } 145 else 146 { 147 phLlcNfc_StopTimers (index, 0); 148 } 149 index++; 150 } 151 phLlcNfc_DeleteTimer(); 152 } 153 } 154 155 void 156 phLlcNfc_CreateTimers(void) 157 { 158 uint8_t index = 0; 159 160 while (index < PH_LLCNFC_MAX_TIMER_USED) 161 { 162 #ifdef LLC_TIMER_ENABLE 163 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[index] = 164 phOsalNfc_Timer_Create(); 165 #endif /* #ifdef LLC_TIMER_ENABLE */ 166 index++; 167 } 168 return; 169 } 170 171 NFCSTATUS 172 phLlcNfc_StartTimers ( 173 uint8_t TimerType, 174 uint8_t ns_value 175 ) 176 { 177 NFCSTATUS result = NFCSTATUS_SUCCESS; 178 #ifdef LLC_TIMER_ENABLE 179 180 uint32_t timerid = 0; 181 uint8_t timerstarted = 0; 182 uint8_t timer_count = 0; 183 uint16_t timer_resolution = 0; 184 ppCallBck_t Callback = NULL; 185 phLlcNfc_Timerinfo_t *ps_timer_info = NULL; 186 187 ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo); 188 PHNFC_UNUSED_VARIABLE(result); 189 190 PH_LLCNFC_PRINT("\n\nLLC : START TIMER CALLED\n\n"); 191 /* Depending on the timer type, use the Osal callback */ 192 switch(TimerType) 193 { 194 case PH_LLCNFC_CONNECTIONTIMER: 195 { 196 /* Get the connection timer flag */ 197 timerstarted = (uint8_t) 198 GET_BITS8(ps_timer_info->timer_flag, 199 PH_LLCNFC_CON_TO_BIT, 200 PH_LLCNFC_TO_NOOFBITS); 201 if (0 == timerstarted) 202 { 203 /* Timer not started, so start the timer */ 204 gpphLlcNfc_Ctxt->s_timerinfo.timer_flag = (uint8_t) 205 SET_BITS8 (ps_timer_info->timer_flag, 206 PH_LLCNFC_CON_TO_BIT, 207 PH_LLCNFC_TO_NOOFBITS, 208 (PH_LLCNFC_CON_TO_BIT + 1)); 209 } 210 211 timerid = ps_timer_info->timer_id[PH_LLCNFC_CONNECTION_TO_INDEX]; 212 Callback = (ppCallBck_t)&phLlcNfc_ConnectionTimeoutCb; 213 timer_resolution = ps_timer_info->con_to_value = (uint16_t) 214 PH_LLCNFC_CONNECTION_TO_VALUE; 215 break; 216 } 217 218 case PH_LLCNFC_GUARDTIMER: 219 { 220 if (ps_timer_info->guard_to_count < PH_LLCNFC_MAX_GUARD_TIMER) 221 { 222 timer_count = ps_timer_info->guard_to_count; 223 timer_resolution = (uint16_t)PH_LLCNFC_RESOLUTION; 224 225 PH_LLCNFC_DEBUG("RESOLUTION VALUE : 0x%02X\n", PH_LLCNFC_RESOLUTION); 226 PH_LLCNFC_DEBUG("TIME-OUT VALUE : 0x%02X\n", PH_LLCNFC_GUARD_TO_VALUE); 227 228 /* Get the guard timer flag */ 229 timerstarted = (uint8_t) 230 GET_BITS8 (ps_timer_info->timer_flag, 231 PH_LLCNFC_GUARD_TO_BIT, 232 PH_LLCNFC_TO_NOOFBITS); 233 234 PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX : 0x%02X\n", ns_value); 235 PH_LLCNFC_DEBUG("GUARD TIMER COUNT : 0x%02X\n", timer_count); 236 PH_LLCNFC_DEBUG("GUARD TIMER STARTED : 0x%02X\n", timerstarted); 237 238 if (0 == timerstarted) 239 { 240 /* Timer not started, so start the timer */ 241 ps_timer_info->timer_flag = (uint8_t) 242 SET_BITS8 (ps_timer_info->timer_flag, 243 PH_LLCNFC_GUARD_TO_BIT, 244 PH_LLCNFC_TO_NOOFBITS, 245 PH_LLCNFC_GUARD_TO_BIT); 246 } 247 248 timerid = ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER]; 249 Callback = (ppCallBck_t)&phLlcNfc_GuardTimeoutCb; 250 251 /* Guard time out value */ 252 ps_timer_info->guard_to_value[timer_count] = (uint16_t) 253 PH_LLCNFC_GUARD_TO_VALUE; 254 255 ps_timer_info->timer_ns_value[timer_count] = ns_value; 256 ps_timer_info->frame_type[timer_count] = (uint8_t)invalid_frame; 257 ps_timer_info->iframe_send_count[timer_count] = 0; 258 259 if ((timer_count > 0) && 260 (ps_timer_info->guard_to_value[(timer_count - 1)] >= 261 PH_LLCNFC_GUARD_TO_VALUE)) 262 { 263 /* If the timer has been started already and the 264 value is same as the previous means that timer has still 265 not expired, so the time out value is increased by 266 a resolution */ 267 ps_timer_info->guard_to_value[timer_count] = (uint16_t) 268 (ps_timer_info->guard_to_value[(timer_count - 1)] + 269 PH_LLCNFC_RESOLUTION); 270 } 271 272 PH_LLCNFC_DEBUG("GUARD TIMER VALUE : 0x%04X\n", ps_timer_info->guard_to_value[timer_count]); 273 274 275 ps_timer_info->guard_to_count = (uint8_t)( 276 ps_timer_info->guard_to_count + 1); 277 } 278 else 279 { 280 /* TIMER should not start, because the time out count has readched the limit */ 281 timerstarted = TRUE; 282 } 283 break; 284 } 285 286 #ifdef PIGGY_BACK 287 288 case PH_LLCNFC_ACKTIMER: 289 { 290 /* Get the ack timer flag */ 291 timerstarted = (uint8_t)GET_BITS8 ( 292 ps_timer_info->timer_flag, 293 PH_LLCNFC_GUARD_TO_BIT, 294 PH_LLCNFC_TO_NOOFBITS); 295 if (0 == timerstarted) 296 { 297 /* Timer not started, so start the timer */ 298 ps_timer_info->timer_flag = (uint8_t) 299 SET_BITS8 (ps_timer_info->timer_flag, 300 PH_LLCNFC_GUARD_TO_BIT 301 PH_LLCNFC_TO_NOOFBITS 302 (PH_LLCNFC_GUARD_TO_BIT - 1)); 303 } 304 timerid = ps_timer_info->timer_id[PH_LLCNFC_ACKTIMER]; 305 Callback = (ppCallBck_t)&phLlcNfc_AckTimeoutCb; 306 break; 307 } 308 309 #endif /* #ifdef PIGGY_BACK */ 310 311 default: 312 { 313 result = PHNFCSTVAL(CID_NFC_LLC, 314 NFCSTATUS_INVALID_PARAMETER); 315 break; 316 } 317 } 318 if ((NFCSTATUS_SUCCESS == result) && 319 (FALSE == timerstarted)) 320 { 321 PH_LLCNFC_DEBUG("OSAL START TIMER CALLED TIMER ID : 0x%02X\n", timerid); 322 phOsalNfc_Timer_Start (timerid, timer_resolution, Callback, NULL); 323 } 324 325 PH_LLCNFC_PRINT("\n\nLLC : START TIMER END\n\n"); 326 327 #else /* #ifdef LLC_TIMER_ENABLE */ 328 329 PHNFC_UNUSED_VARIABLE(result); 330 PHNFC_UNUSED_VARIABLE(TimerType); 331 PHNFC_UNUSED_VARIABLE(ns_value); 332 333 #endif /* #ifdef LLC_TIMER_ENABLE */ 334 return result; 335 } 336 337 void 338 phLlcNfc_StopTimers ( 339 uint8_t TimerType, 340 uint8_t no_of_guard_to_del 341 ) 342 { 343 NFCSTATUS result = NFCSTATUS_SUCCESS; 344 #ifdef LLC_TIMER_ENABLE 345 346 uint32_t timerid = 0, 347 timerflag = FALSE; 348 uint8_t timer_count = 0; 349 phLlcNfc_Timerinfo_t *ps_timer_info = NULL; 350 351 352 ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo); 353 timerflag = ps_timer_info->timer_flag; 354 355 PHNFC_UNUSED_VARIABLE (result); 356 PH_LLCNFC_PRINT("\n\nLLC : STOP TIMER CALLED\n\n"); 357 switch(TimerType) 358 { 359 case PH_LLCNFC_CONNECTIONTIMER: 360 { 361 ps_timer_info->timer_flag = (uint8_t) 362 SET_BITS8(ps_timer_info->timer_flag, 363 PH_LLCNFC_CON_TO_BIT, 364 PH_LLCNFC_TO_NOOFBITS, 0); 365 timerid = ps_timer_info->timer_id 366 [PH_LLCNFC_CONNECTION_TO_INDEX]; 367 break; 368 } 369 370 case PH_LLCNFC_GUARDTIMER: 371 { 372 uint8_t start_index = 0; 373 374 timer_count = ps_timer_info->guard_to_count; 375 376 PH_LLCNFC_DEBUG("GUARD TIMER COUNT BEFORE DELETE: 0x%02X\n", timer_count); 377 PH_LLCNFC_DEBUG("GUARD TIMER TO DELETE: 0x%02X\n", no_of_guard_to_del); 378 379 if (timer_count > no_of_guard_to_del) 380 { 381 /* The number of guard timer count is more than the 382 guard timer to delete */ 383 while (start_index < no_of_guard_to_del) 384 { 385 /* Copy the previous stored timer values to the present */ 386 ps_timer_info->guard_to_value[start_index] = (uint16_t) 387 (ps_timer_info->guard_to_value[ 388 (no_of_guard_to_del + start_index)]); 389 390 ps_timer_info->iframe_send_count[start_index] = (uint8_t) 391 (ps_timer_info->iframe_send_count[ 392 (no_of_guard_to_del + start_index)]); 393 394 PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX DELETED : 0x%02X\n", ps_timer_info->timer_ns_value[start_index]); 395 396 ps_timer_info->timer_ns_value[start_index] = (uint8_t) 397 (ps_timer_info->timer_ns_value[ 398 (no_of_guard_to_del + start_index)]); 399 400 ps_timer_info->frame_type[start_index] = (uint8_t) 401 (ps_timer_info->frame_type[ 402 (no_of_guard_to_del + start_index)]); 403 404 start_index = (uint8_t)(start_index + 1); 405 } 406 } 407 else 408 { 409 while (start_index < no_of_guard_to_del) 410 { 411 ps_timer_info->guard_to_value[start_index] = 0; 412 413 ps_timer_info->iframe_send_count[start_index] = 0; 414 415 PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX DELETED ELSE : 0x%02X\n", ps_timer_info->timer_ns_value[start_index]); 416 417 ps_timer_info->timer_ns_value[start_index] = 0; 418 419 ps_timer_info->frame_type[start_index] = 0; 420 421 start_index = (uint8_t)(start_index + 1); 422 } 423 } 424 425 if (timer_count >= no_of_guard_to_del) 426 { 427 timer_count = (uint8_t)(timer_count - no_of_guard_to_del); 428 } 429 else 430 { 431 if (0 != no_of_guard_to_del) 432 { 433 timer_count = 0; 434 } 435 } 436 437 timerid = ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER]; 438 ps_timer_info->guard_to_count = timer_count; 439 PH_LLCNFC_DEBUG("GUARD TIMER COUNT AFTER DELETE: 0x%02X\n", timer_count); 440 441 if (0 == ps_timer_info->guard_to_count) 442 { 443 /* This means that there are no frames to run guard 444 timer, so set the timer flag to 0 */ 445 ps_timer_info->timer_flag = (uint8_t) 446 SET_BITS8 (ps_timer_info->timer_flag, 447 PH_LLCNFC_GUARD_TO_BIT, 448 PH_LLCNFC_TO_NOOFBITS, 0); 449 } 450 else 451 { 452 timerflag = 0; 453 } 454 break; 455 } 456 457 #ifdef PIGGY_BACK 458 case PH_LLCNFC_ACKTIMER: 459 { 460 ps_timer_info->timer_flag = (uint8_t) 461 SET_BITS8 (ps_timer_info->timer_flag, 462 PH_LLCNFC_GUARD_TO_BIT, 463 PH_LLCNFC_TO_NOOFBITS, 0); 464 timerid = ps_timer_info->timer_id[PH_LLCNFC_ACKTIMER]; 465 break; 466 } 467 #endif /* #ifdef PIGGY_BACK */ 468 469 default: 470 { 471 result = PHNFCSTVAL(CID_NFC_LLC, 472 NFCSTATUS_INVALID_PARAMETER); 473 break; 474 } 475 } 476 477 if ((NFCSTATUS_SUCCESS == result) && (timerflag > 0)) 478 { 479 PH_LLCNFC_DEBUG("OSAL STOP TIMER CALLED TIMER ID : 0x%02X\n", timerid); 480 phOsalNfc_Timer_Stop (timerid); 481 } 482 483 PH_LLCNFC_PRINT("\n\nLLC : STOP TIMER END\n\n"); 484 485 #else /* #ifdef LLC_TIMER_ENABLE */ 486 487 PHNFC_UNUSED_VARIABLE (result); 488 PHNFC_UNUSED_VARIABLE (TimerType); 489 PHNFC_UNUSED_VARIABLE (no_of_gaurd_to_del); 490 491 #endif /* #ifdef LLC_TIMER_ENABLE */ 492 } 493 494 void 495 phLlcNfc_StopAllTimers (void) 496 { 497 498 #ifdef LLC_TIMER_ENABLE 499 500 phLlcNfc_Timerinfo_t *ps_timer_info = NULL; 501 uint8_t timer_started = 0; 502 uint32_t timerid = 0; 503 uint8_t timer_index = 0; 504 505 506 ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo); 507 508 PH_LLCNFC_PRINT("\n\nLLC : STOP ALL TIMERS CALLED \n\n"); 509 510 timerid = ps_timer_info->timer_id[timer_index]; 511 timer_started = (uint8_t) 512 GET_BITS8(ps_timer_info->timer_flag, 513 PH_LLCNFC_CON_TO_BIT, 514 PH_LLCNFC_TO_NOOFBITS); 515 516 PH_LLCNFC_DEBUG("CONNECTION TIMER ID: 0x%02X\n", timerid); 517 518 if (0 != timer_started) 519 { 520 /* Connection timer is started, so now stop it */ 521 ps_timer_info->timer_flag = (uint8_t) 522 SET_BITS8 (ps_timer_info->timer_flag, 523 PH_LLCNFC_CON_TO_BIT, 524 PH_LLCNFC_TO_NOOFBITS, 0); 525 #if 0 526 527 ps_timer_info->con_to_value = 0; 528 529 #endif /* #if 0 */ 530 531 phOsalNfc_Timer_Stop (timerid); 532 } 533 534 timer_index = (uint8_t)(timer_index + 1); 535 timerid = ps_timer_info->timer_id[timer_index]; 536 timer_started = (uint8_t)GET_BITS8 (ps_timer_info->timer_flag, 537 PH_LLCNFC_GUARD_TO_BIT, 538 PH_LLCNFC_TO_NOOFBITS); 539 540 if (0 != timer_started) 541 { 542 /* Guard timer is already started */ 543 ps_timer_info->timer_flag = (uint8_t) 544 SET_BITS8 (ps_timer_info->timer_flag, 545 PH_LLCNFC_GUARD_TO_BIT, 546 PH_LLCNFC_TO_NOOFBITS, 0); 547 548 timer_index = 0; 549 ps_timer_info->guard_to_count = 0; 550 551 #if 0 552 553 /* Reset all the guard timer related variables */ 554 while (timer_index < ps_timer_info->guard_to_count) 555 { 556 ps_timer_info->guard_to_value[timer_index] = 0; 557 ps_timer_info->iframe_send_count[timer_index] = 0; 558 559 timer_index = (uint8_t)(timer_index + 1); 560 } 561 562 #endif /* #if 0 */ 563 564 PH_LLCNFC_DEBUG("GUARD TIMER ID: 0x%02X\n", timerid); 565 566 /* Stop the timer */ 567 phOsalNfc_Timer_Stop (timerid); 568 569 PH_LLCNFC_PRINT("\n\nLLC : STOP ALL TIMERS END \n\n"); 570 } 571 572 #endif /* #ifdef LLC_TIMER_ENABLE */ 573 } 574 575 void 576 phLlcNfc_DeleteTimer (void) 577 { 578 uint8_t index = 0; 579 while (index < PH_LLCNFC_MAX_TIMER_USED) 580 { 581 #ifdef LLC_TIMER_ENABLE 582 phOsalNfc_Timer_Delete( 583 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[index]); 584 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[index] = 585 PH_OSALNFC_INVALID_TIMER_ID; 586 #endif /* #ifdef LLC_TIMER_ENABLE */ 587 index++; 588 } 589 } 590 591 #ifdef LLC_TIMER_ENABLE 592 593 #define LLC_GUARD_TIMER_RETRIES (0x03U) 594 595 static 596 void 597 phLlcNfc_GuardTimeoutCb ( 598 uint32_t TimerId, 599 void *pContext 600 ) 601 { 602 NFCSTATUS result = NFCSTATUS_SUCCESS; 603 phLlcNfc_Timerinfo_t *ps_timer_info = NULL; 604 phLlcNfc_Frame_t *ps_frame_info = NULL; 605 phLlcNfc_LlcPacket_t *ps_packet_info = NULL; 606 uint8_t index = 0; 607 uint8_t zero_to_index = 0; 608 #if defined (GUARD_TO_ERROR) 609 phNfc_sCompletionInfo_t notifyinfo = {0}; 610 #endif /* #if defined (GUARD_TO_ERROR) */ 611 PHNFC_UNUSED_VARIABLE(pContext); 612 613 PH_LLCNFC_PRINT("\n\nLLC : GUARD TIMEOUT CB CALLED \n\n"); 614 615 if ((NULL != gpphLlcNfc_Ctxt) && (TimerId == 616 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[PH_LLCNFC_GUARDTIMER]) && 617 (PH_LLCNFC_GUARD_TO_BIT_VAL == 618 (gpphLlcNfc_Ctxt->s_timerinfo.timer_flag & 619 PH_LLCNFC_GUARD_TO_BIT_VAL))) 620 { 621 uint8_t timer_expired = FALSE; 622 ps_frame_info = &(gpphLlcNfc_Ctxt->s_frameinfo); 623 ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo); 624 625 #if !defined (CYCLIC_TIMER) 626 phOsalNfc_Timer_Stop( 627 ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER]); 628 #endif 629 630 PH_LLCNFC_DEBUG("NO OF TIMEOUT COUNT : 0x%02X\n", ps_timer_info->guard_to_count); 631 /* Loop is completely depending on the number of different LLC 632 send called */ 633 while (index < ps_timer_info->guard_to_count) 634 { 635 if (0 != ps_timer_info->guard_to_value[index]) 636 { 637 if (ps_timer_info->guard_to_value[index] > 0) 638 { 639 if (ps_timer_info->guard_to_value[index] >= 640 PH_LLCNFC_RESOLUTION) 641 { 642 ps_timer_info->guard_to_value[index] = (uint16_t) 643 (ps_timer_info->guard_to_value[index] - 644 PH_LLCNFC_RESOLUTION); 645 } 646 else 647 { 648 ps_timer_info->guard_to_value[index] = 0; 649 } 650 } 651 652 if (0 == ps_timer_info->guard_to_value[index]) 653 { 654 zero_to_index = index; 655 timer_expired = TRUE; 656 } 657 } 658 index = (uint8_t)(index + 1); 659 } 660 661 #if !defined (CYCLIC_TIMER) 662 /* Start the timer again */ 663 phOsalNfc_Timer_Start( 664 ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER], 665 PH_LLCNFC_RESOLUTION, phLlcNfc_GuardTimeoutCb, NULL); 666 #endif 667 PH_LLCNFC_DEBUG("TIMER EXPIRED : 0x%02X\n", timer_expired); 668 669 if (TRUE == timer_expired) 670 { 671 PH_LLCNFC_DEBUG("TIMER EXPIRED INDEX: 0x%02X\n", zero_to_index); 672 PH_LLCNFC_DEBUG("TIMER EXPIRED NS INDEX: 0x%02X\n", ps_timer_info->timer_ns_value[zero_to_index]); 673 PH_LLCNFC_DEBUG("TIMER EXPIRED RETRIES : 0x%02X\n", ps_timer_info->iframe_send_count[zero_to_index]); 674 675 PH_LLCNFC_DEBUG("TIMER EXPIRED GUARD TIME-OUT COUNT: 0x%02X\n", ps_timer_info->guard_to_value[zero_to_index]); 676 677 if ((0 == ps_timer_info->guard_to_value[zero_to_index]) && 678 (ps_timer_info->iframe_send_count[zero_to_index] < 679 LLC_GUARD_TIMER_RETRIES)) 680 { 681 if (ps_frame_info->s_send_store.winsize_cnt > 0) 682 { 683 uint8_t start_index = 0; 684 uint8_t timer_count = 0; 685 uint8_t while_exit = FALSE; 686 687 timer_count = ps_timer_info->guard_to_count; 688 689 690 /* Check before changing the index to resend, if index 691 already exist then dont set the index */ 692 while ((FALSE == while_exit) && (start_index < timer_count)) 693 { 694 if (resend_i_frame == 695 ps_timer_info->frame_type[start_index]) 696 { 697 while_exit = TRUE; 698 } 699 else 700 { 701 start_index = (uint8_t)(start_index + 1); 702 } 703 } 704 705 if (TRUE == while_exit) 706 { 707 ps_timer_info->index_to_send = zero_to_index; 708 } 709 710 ps_timer_info->frame_type[zero_to_index] = (uint8_t) 711 resend_i_frame; 712 /* Now resend the frame stored */ 713 result = phLlcNfc_H_SendTimedOutIFrame (gpphLlcNfc_Ctxt, 714 &(ps_frame_info->s_send_store), 715 0); 716 } 717 } 718 else 719 { 720 if ((LLC_GUARD_TIMER_RETRIES == 721 ps_timer_info->iframe_send_count[zero_to_index]) && 722 (NULL != gpphLlcNfc_Ctxt->cb_for_if.notify)) 723 { 724 phLlcNfc_StopAllTimers (); 725 #if defined (GUARD_TO_ERROR) 726 727 notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC, 728 NFCSTATUS_BOARD_COMMUNICATION_ERROR); 729 #if 0 730 phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1); 731 #endif /* #if 0 */ 732 /* Resend done, no answer from the device */ 733 gpphLlcNfc_Ctxt->cb_for_if.notify ( 734 gpphLlcNfc_Ctxt->cb_for_if.pif_ctxt, 735 gpphLlcNfc_Ctxt->phwinfo, 736 NFC_NOTIFY_DEVICE_ERROR, 737 ¬ifyinfo); 738 739 #endif /* #if defined (GUARD_TO_ERROR) */ 740 741 #if (!defined (GUARD_TO_ERROR) && defined (GUARD_TO_URSET)) 742 743 PH_LLCNFC_PRINT("U-RSET IS SENT \n"); 744 ps_packet_info = &(gpphLlcNfc_Ctxt->s_frameinfo.s_llcpacket); 745 746 result = phLlcNfc_H_CreateUFramePayload(gpphLlcNfc_Ctxt, 747 ps_packet_info, 748 &(ps_packet_info->llcbuf_len), 749 phLlcNfc_e_rset); 750 751 result = phLlcNfc_Interface_Write(gpphLlcNfc_Ctxt, 752 (uint8_t*)&(ps_packet_info->s_llcbuf), 753 (uint32_t)ps_packet_info->llcbuf_len); 754 755 ps_frame_info->write_status = result; 756 if (NFCSTATUS_PENDING == result) 757 { 758 /* Start the timer */ 759 result = phLlcNfc_StartTimers (PH_LLCNFC_CONNECTIONTIMER, 0); 760 if (NFCSTATUS_SUCCESS == result) 761 { 762 ps_frame_info->retry_cnt = 0; 763 gpphLlcNfc_Ctxt->s_frameinfo.sent_frame_type = 764 u_rset_frame; 765 result = NFCSTATUS_PENDING; 766 } 767 } 768 else 769 { 770 if (NFCSTATUS_BUSY == PHNFCSTATUS (result)) 771 { 772 ps_frame_info->write_wait_call = u_rset_frame; 773 } 774 } 775 776 #endif /* #if defined (GUARD_TO_ERROR) */ 777 } 778 } 779 } 780 } 781 PH_LLCNFC_PRINT("\n\nLLC : GUARD TIMEOUT CB END\n\n"); 782 } 783 784 #ifdef PIGGY_BACK 785 static 786 void 787 phLlcNfc_AckTimeoutCb ( 788 uint32_t TimerId 789 ) 790 { 791 792 } 793 #endif 794 795 static 796 void 797 phLlcNfc_ConnectionTimeoutCb ( 798 uint32_t TimerId, 799 void *pContext 800 ) 801 { 802 NFCSTATUS result = NFCSTATUS_SUCCESS; 803 phNfc_sCompletionInfo_t notifyinfo = {0}; 804 pphNfcIF_Notification_CB_t notifyul = NULL; 805 void *p_upperctxt = NULL; 806 phLlcNfc_Frame_t *ps_frame_info = NULL; 807 phLlcNfc_Timerinfo_t *ps_timer_info = NULL; 808 PHNFC_UNUSED_VARIABLE(pContext); 809 810 PH_LLCNFC_PRINT("\n\nLLC : CONNECTION TIMEOUT CB CALLED\n\n"); 811 if ((NULL != gpphLlcNfc_Ctxt) && (TimerId == 812 gpphLlcNfc_Ctxt->s_timerinfo.timer_id[PH_LLCNFC_CONNECTIONTIMER]) 813 && (PH_LLCNFC_CON_TO_BIT_VAL == 814 (gpphLlcNfc_Ctxt->s_timerinfo.timer_flag & 815 PH_LLCNFC_CON_TO_BIT_VAL))) 816 { 817 ps_frame_info = &(gpphLlcNfc_Ctxt->s_frameinfo); 818 ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo); 819 if (ps_timer_info->con_to_value > 0) 820 { 821 #if !defined (CYCLIC_TIMER) 822 phOsalNfc_Timer_Stop( 823 ps_timer_info->timer_id[PH_LLCNFC_CONNECTIONTIMER]); 824 /* phLlcNfc_StopTimers(PH_LLCNFC_CONNECTIONTIMER, 0); */ 825 #endif 826 ps_timer_info->con_to_value = 0; 827 828 if (0 == ps_timer_info->con_to_value) 829 { 830 PH_LLCNFC_DEBUG("TIMER EXPIRED RETRY COUNT : %02X\n", ps_frame_info->retry_cnt); 831 phLlcNfc_StopTimers (PH_LLCNFC_CONNECTIONTIMER, 0); 832 833 if (ps_frame_info->retry_cnt < PH_LLCNFC_MAX_RETRY_COUNT) 834 { 835 /* Create a U frame */ 836 result = phLlcNfc_H_CreateUFramePayload(gpphLlcNfc_Ctxt, 837 &(ps_frame_info->s_llcpacket), 838 &(ps_frame_info->s_llcpacket.llcbuf_len), 839 phLlcNfc_e_rset); 840 841 if (NFCSTATUS_SUCCESS == result) 842 { 843 /* Call DAL write */ 844 result = phLlcNfc_Interface_Write (gpphLlcNfc_Ctxt, 845 (uint8_t*)&(ps_frame_info->s_llcpacket.s_llcbuf), 846 (uint32_t)(ps_frame_info->s_llcpacket.llcbuf_len)); 847 } 848 if (NFCSTATUS_PENDING == result) 849 { 850 /* Start the timer */ 851 result = phLlcNfc_StartTimers(PH_LLCNFC_CONNECTIONTIMER, 0); 852 if (NFCSTATUS_SUCCESS == result) 853 { 854 ps_frame_info->retry_cnt++; 855 result = NFCSTATUS_PENDING; 856 } 857 } 858 else 859 { 860 if (NFCSTATUS_BUSY == PHNFCSTATUS(result)) 861 { 862 result = NFCSTATUS_PENDING; 863 } 864 } 865 } 866 else 867 { 868 PH_LLCNFC_PRINT("RETRY COUNT LIMIT REACHED \n"); 869 if ((ps_frame_info->retry_cnt == PH_LLCNFC_MAX_RETRY_COUNT) 870 && (NULL != gpphLlcNfc_Ctxt->cb_for_if.notify)) 871 { 872 void *p_hw_info = NULL; 873 uint8_t type = 0; 874 875 p_hw_info = gpphLlcNfc_Ctxt->phwinfo; 876 notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC, 877 NFCSTATUS_BOARD_COMMUNICATION_ERROR); 878 879 notifyul = gpphLlcNfc_Ctxt->cb_for_if.notify; 880 p_upperctxt = gpphLlcNfc_Ctxt->cb_for_if.pif_ctxt; 881 type = NFC_NOTIFY_ERROR; 882 if (init_u_rset_frame == ps_frame_info->sent_frame_type) 883 { 884 type = NFC_NOTIFY_INIT_FAILED; 885 /* Release if, the initialisation is not complete */ 886 result = phLlcNfc_Release(gpphLlcNfc_Ctxt, p_hw_info); 887 gpphLlcNfc_Ctxt = NULL; 888 } 889 else 890 { 891 type = NFC_NOTIFY_DEVICE_ERROR; 892 notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC, 893 NFCSTATUS_BOARD_COMMUNICATION_ERROR); 894 #if 0 895 phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1); 896 #endif /* #if 0 */ 897 } 898 /* Notify the upper layer */ 899 notifyul(p_upperctxt, p_hw_info, type, ¬ifyinfo); 900 } 901 } 902 } 903 #if !defined (CYCLIC_TIMER) 904 else 905 { 906 /* Start the timer again */ 907 phOsalNfc_Timer_Start( 908 ps_timer_info->timer_id[PH_LLCNFC_CONNECTIONTIMER], 909 ps_timer_info->con_to_value, phLlcNfc_ConnectionTimeoutCb, NULL); 910 } 911 #endif 912 } 913 } 914 PH_LLCNFC_PRINT("\n\nLLC : CONNECTION TIMEOUT CB END\n\n"); 915 } 916 #endif /* #ifdef LLC_TIMER_ENABLE */ 917 918 #ifdef LLC_URSET_NO_DELAY 919 920 /* NO definition required */ 921 922 #else /* #ifdef LLC_URSET_NO_DELAY */ 923 924 void 925 phLlcNfc_URSET_Delay_Notify ( 926 uint32_t delay_id, 927 void *pContext) 928 { 929 phLlcNfc_Frame_t *ps_frame_info = NULL; 930 phNfc_sCompletionInfo_t notifyinfo = {0}; 931 932 if (NULL != gpphLlcNfc_Ctxt) 933 { 934 ps_frame_info = &(gpphLlcNfc_Ctxt->s_frameinfo); 935 936 phOsalNfc_Timer_Stop (delay_id); 937 phOsalNfc_Timer_Delete (delay_id); 938 if (ps_frame_info->s_send_store.winsize_cnt > 0) 939 { 940 #if 0 941 942 /* Resend I frame */ 943 (void)phLlcNfc_H_SendTimedOutIFrame (gpphLlcNfc_Ctxt, 944 &(ps_frame_info->s_send_store), 0); 945 946 #else 947 948 (void)phLlcNfc_H_SendUserIFrame (gpphLlcNfc_Ctxt, 949 &(ps_frame_info->s_send_store)); 950 951 #endif /* #if 0 */ 952 gpphLlcNfc_Ctxt->state = phLlcNfc_Resend_State; 953 } 954 else 955 { 956 if ((init_u_rset_frame == ps_frame_info->sent_frame_type) && 957 (NULL != gpphLlcNfc_Ctxt->cb_for_if.notify)) 958 { 959 ps_frame_info->sent_frame_type = write_resp_received; 960 notifyinfo.status = NFCSTATUS_SUCCESS; 961 /* Send the notification to the upper layer */ 962 gpphLlcNfc_Ctxt->cb_for_if.notify ( 963 gpphLlcNfc_Ctxt->cb_for_if.pif_ctxt, 964 gpphLlcNfc_Ctxt->phwinfo, 965 NFC_NOTIFY_INIT_COMPLETED, 966 ¬ifyinfo); 967 } 968 } 969 } 970 } 971 972 #endif /* #ifdef LLC_URSET_NO_DELAY */ 973 974
