The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 1999-2012 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 | #include <stdio.h> |
| 19 | #include <stdarg.h> |
| 20 | #include <errno.h> |
| 21 | |
| 22 | #define GKI_DEBUG FALSE |
| 23 | |
| 24 | #include <pthread.h> /* must be 1st header defined */ |
| 25 | #include <time.h> |
| 26 | #include "gki_int.h" |
| 27 | #include "gki_target.h" |
| 28 | |
| 29 | /* Temp android logging...move to android tgt config file */ |
| 30 | |
| 31 | #ifndef LINUX_NATIVE |
| 32 | #include <cutils/log.h> |
| 33 | #else |
| 34 | #define LOGV(format, ...) fprintf (stdout, LOG_TAG format, ## __VA_ARGS__) |
| 35 | #define LOGE(format, ...) fprintf (stderr, LOG_TAG format, ## __VA_ARGS__) |
| 36 | #define LOGI(format, ...) fprintf (stdout, LOG_TAG format, ## __VA_ARGS__) |
| 37 | |
| 38 | #define SCHED_NORMAL 0 |
| 39 | #define SCHED_FIFO 1 |
| 40 | #define SCHED_RR 2 |
| 41 | #define SCHED_BATCH 3 |
| 42 | |
| 43 | #define pthread_cond_timedwait_monotonic pthread_cond_timedwait |
| 44 | |
| 45 | #endif |
| 46 | |
| 47 | /* Define the structure that holds the GKI variables |
| 48 | */ |
| 49 | #if GKI_DYNAMIC_MEMORY == FALSE |
| 50 | tGKI_CB gki_cb; |
| 51 | #endif |
| 52 | |
| 53 | #define NANOSEC_PER_MILLISEC (1000000) |
| 54 | #define NSEC_PER_SEC (1000*NANOSEC_PER_MILLISEC) |
| 55 | |
| 56 | /* works only for 1ms to 1000ms heart beat ranges */ |
| 57 | #define LINUX_SEC (1000/TICKS_PER_SEC) |
| 58 | // #define GKI_TICK_TIMER_DEBUG |
| 59 | |
| 60 | #define LOCK(m) pthread_mutex_lock(&m) |
| 61 | #define UNLOCK(m) pthread_mutex_unlock(&m) |
| 62 | #define INIT(m) pthread_mutex_init(&m, NULL) |
| 63 | |
| 64 | |
| 65 | /* this kind of mutex go into tGKI_OS control block!!!! */ |
| 66 | /* static pthread_mutex_t GKI_sched_mutex; */ |
| 67 | /*static pthread_mutex_t thread_delay_mutex; |
| 68 | static pthread_cond_t thread_delay_cond; |
| 69 | static pthread_mutex_t gki_timer_update_mutex; |
| 70 | static pthread_cond_t gki_timer_update_cond; |
| 71 | */ |
| 72 | #ifdef NO_GKI_RUN_RETURN |
| 73 | static pthread_t timer_thread_id = 0; |
| 74 | #endif |
| 75 | |
| 76 | |
| 77 | /* For Android */ |
| 78 | |
| 79 | #ifndef GKI_SHUTDOWN_EVT |
| 80 | #define GKI_SHUTDOWN_EVT APPL_EVT_7 |
| 81 | #endif |
| 82 | |
| 83 | typedef struct |
| 84 | { |
| 85 | UINT8 task_id; /* GKI task id */ |
| 86 | TASKPTR task_entry; /* Task entry function*/ |
| 87 | UINT32 params; /* Extra params to pass to task entry function */ |
| 88 | pthread_cond_t* pCond; /* for android*/ |
| 89 | pthread_mutex_t* pMutex; /* for android*/ |
| 90 | } gki_pthread_info_t; |
| 91 | gki_pthread_info_t gki_pthread_info[GKI_MAX_TASKS]; |
| 92 | |
| 93 | /******************************************************************************* |
| 94 | ** |
| 95 | ** Function gki_task_entry |
| 96 | ** |
| 97 | ** Description entry point of GKI created tasks |
| 98 | ** |
| 99 | ** Returns void |
| 100 | ** |
| 101 | *******************************************************************************/ |
| 102 | void gki_task_entry(UINT32 params) |
| 103 | { |
| 104 | pthread_t thread_id = pthread_self(); |
| 105 | gki_pthread_info_t *p_pthread_info = (gki_pthread_info_t *)params; |
| 106 | GKI_TRACE_5("gki_task_entry task_id=%i, thread_id=%x/%x, pCond/pMutex=%x/%x", p_pthread_info->task_id, |
| 107 | gki_cb.os.thread_id[p_pthread_info->task_id], pthread_self(), |
| 108 | p_pthread_info->pCond, p_pthread_info->pMutex); |
| 109 | |
| 110 | gki_cb.os.thread_id[p_pthread_info->task_id] = thread_id; |
| 111 | /* Call the actual thread entry point */ |
| 112 | (p_pthread_info->task_entry)(p_pthread_info->params); |
| 113 | |
| 114 | GKI_TRACE_1("gki_task task_id=%i terminating", p_pthread_info->task_id); |
| 115 | gki_cb.os.thread_id[p_pthread_info->task_id] = 0; |
| 116 | |
| 117 | pthread_exit(0); /* GKI tasks have no return value */ |
| 118 | } |
| 119 | /* end android */ |
| 120 | |
| 121 | #ifndef ANDROID |
| 122 | void GKI_TRACE(char *fmt, ...) |
| 123 | { |
| 124 | LOCK(gki_cb.os.GKI_trace_mutex); |
| 125 | va_list ap; |
| 126 | |
| 127 | va_start(ap, fmt); |
| 128 | vfprintf(stderr, fmt, ap); |
| 129 | fprintf(stderr, "\n"); |
| 130 | |
| 131 | va_end(ap); |
| 132 | UNLOCK(gki_cb.os.GKI_trace_mutex); |
| 133 | } |
| 134 | #endif |
| 135 | |
| 136 | /******************************************************************************* |
| 137 | ** |
| 138 | ** Function GKI_init |
| 139 | ** |
| 140 | ** Description This function is called once at startup to initialize |
| 141 | ** all the timer structures. |
| 142 | ** |
| 143 | ** Returns void |
| 144 | ** |
| 145 | *******************************************************************************/ |
| 146 | |
| 147 | void GKI_init(void) |
| 148 | { |
| 149 | pthread_mutexattr_t attr; |
| 150 | tGKI_OS *p_os; |
| 151 | |
| 152 | memset (&gki_cb, 0, sizeof (gki_cb)); |
| 153 | |
| 154 | gki_buffer_init(); |
| 155 | gki_timers_init(); |
| 156 | gki_cb.com.OSTicks = (UINT32) times(0); |
| 157 | |
| 158 | pthread_mutexattr_init(&attr); |
| 159 | |
| 160 | #ifndef __CYGWIN__ |
| 161 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP); |
| 162 | #endif |
| 163 | p_os = &gki_cb.os; |
| 164 | pthread_mutex_init(&p_os->GKI_mutex, &attr); |
| 165 | /* pthread_mutex_init(&GKI_sched_mutex, NULL); */ |
| 166 | #if (GKI_DEBUG == TRUE) |
| 167 | pthread_mutex_init(&p_os->GKI_trace_mutex, NULL); |
| 168 | #endif |
| 169 | /* pthread_mutex_init(&thread_delay_mutex, NULL); */ /* used in GKI_delay */ |
| 170 | /* pthread_cond_init (&thread_delay_cond, NULL); */ |
| 171 | |
| 172 | /* Initialiase GKI_timer_update suspend variables & mutexes to be in running state. |
| 173 | * this works too even if GKI_NO_TICK_STOP is defined in btld.txt */ |
| 174 | p_os->no_timer_suspend = GKI_TIMER_TICK_RUN_COND; |
| 175 | pthread_mutex_init(&p_os->gki_timer_mutex, NULL); |
| 176 | pthread_cond_init(&p_os->gki_timer_cond, NULL); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | /******************************************************************************* |
| 181 | ** |
| 182 | ** Function GKI_get_os_tick_count |
| 183 | ** |
| 184 | ** Description This function is called to retrieve the native OS system tick. |
| 185 | ** |
| 186 | ** Returns Tick count of native OS. |
| 187 | ** |
| 188 | *******************************************************************************/ |
| 189 | UINT32 GKI_get_os_tick_count(void) |
| 190 | { |
| 191 | |
| 192 | /* TODO - add any OS specific code here |
| 193 | **/ |
| 194 | return (gki_cb.com.OSTicks); |
| 195 | } |
| 196 | |
| 197 | /******************************************************************************* |
| 198 | ** |
| 199 | ** Function GKI_create_task |
| 200 | ** |
| 201 | ** Description This function is called to create a new OSS task. |
| 202 | ** |
| 203 | ** Parameters: task_entry - (input) pointer to the entry function of the task |
| 204 | ** task_id - (input) Task id is mapped to priority |
| 205 | ** taskname - (input) name given to the task |
| 206 | ** stack - (input) pointer to the top of the stack (highest memory location) |
| 207 | ** stacksize - (input) size of the stack allocated for the task |
| 208 | ** |
| 209 | ** Returns GKI_SUCCESS if all OK, GKI_FAILURE if any problem |
| 210 | ** |
| 211 | ** NOTE This function take some parameters that may not be needed |
| 212 | ** by your particular OS. They are here for compatability |
| 213 | ** of the function prototype. |
| 214 | ** |
| 215 | *******************************************************************************/ |
| 216 | UINT8 GKI_create_task (TASKPTR task_entry, UINT8 task_id, INT8 *taskname, UINT16 *stack, UINT16 stacksize, void* pCondVar, void* pMutex) |
| 217 | { |
| 218 | UINT16 i; |
| 219 | UINT8 *p; |
| 220 | struct sched_param param; |
| 221 | int policy, ret = 0; |
| 222 | pthread_attr_t attr1; |
| 223 | |
| 224 | GKI_TRACE_5 ("GKI_create_task func=0x%x id=%d name=%s stack=0x%x stackSize=%d", task_entry, task_id, taskname, stack, stacksize); |
| 225 | |
| 226 | if (task_id >= GKI_MAX_TASKS) |
| 227 | { |
| 228 | GKI_TRACE_0("Error! task ID > max task allowed"); |
| 229 | return (GKI_FAILURE); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | gki_cb.com.OSRdyTbl[task_id] = TASK_READY; |
| 234 | gki_cb.com.OSTName[task_id] = taskname; |
| 235 | gki_cb.com.OSWaitTmr[task_id] = 0; |
| 236 | gki_cb.com.OSWaitEvt[task_id] = 0; |
| 237 | |
| 238 | /* Initialize mutex and condition variable objects for events and timeouts */ |
| 239 | pthread_mutex_init(&gki_cb.os.thread_evt_mutex[task_id], NULL); |
| 240 | pthread_cond_init (&gki_cb.os.thread_evt_cond[task_id], NULL); |
| 241 | pthread_mutex_init(&gki_cb.os.thread_timeout_mutex[task_id], NULL); |
| 242 | pthread_cond_init (&gki_cb.os.thread_timeout_cond[task_id], NULL); |
| 243 | |
| 244 | pthread_attr_init(&attr1); |
| 245 | /* by default, pthread creates a joinable thread */ |
| 246 | #if ( FALSE == GKI_PTHREAD_JOINABLE ) |
| 247 | pthread_attr_setdetachstate(&attr1, PTHREAD_CREATE_DETACHED); |
| 248 | |
| 249 | GKI_TRACE_3("GKI creating task %i, pCond/pMutex=%x/%x", task_id, pCondVar, pMutex); |
| 250 | #else |
| 251 | GKI_TRACE_1("GKI creating JOINABLE task %i", task_id); |
| 252 | #endif |
| 253 | |
| 254 | /* On Android, the new tasks starts running before 'gki_cb.os.thread_id[task_id]' is initialized */ |
| 255 | /* Pass task_id to new task so it can initialize gki_cb.os.thread_id[task_id] for it calls GKI_wait */ |
| 256 | gki_pthread_info[task_id].task_id = task_id; |
| 257 | gki_pthread_info[task_id].task_entry = task_entry; |
| 258 | gki_pthread_info[task_id].params = 0; |
| 259 | gki_pthread_info[task_id].pCond = (pthread_cond_t*)pCondVar; |
| 260 | gki_pthread_info[task_id].pMutex = (pthread_mutex_t*)pMutex; |
| 261 | |
| 262 | ret = pthread_create( &gki_cb.os.thread_id[task_id], |
| 263 | &attr1, |
| 264 | (void *)gki_task_entry, |
| 265 | &gki_pthread_info[task_id]); |
| 266 | |
| 267 | if (ret != 0) |
| 268 | { |
| 269 | GKI_TRACE_2("pthread_create failed(%d), %s!", ret, taskname); |
| 270 | return GKI_FAILURE; |
| 271 | } |
| 272 | |
| 273 | if(pthread_getschedparam(gki_cb.os.thread_id[task_id], &policy, ¶m)==0) |
| 274 | { |
| 275 | #if defined(PBS_SQL_TASK) |
| 276 | if (task_id == PBS_SQL_TASK) |
| 277 | { |
| 278 | GKI_TRACE_0("PBS SQL lowest priority task"); |
| 279 | policy = SCHED_NORMAL; |
| 280 | } |
| 281 | else |
| 282 | #endif |
| 283 | { |
| 284 | policy = SCHED_RR; |
| 285 | param.sched_priority = 30 - task_id - 2; |
| 286 | } |
| 287 | pthread_setschedparam(gki_cb.os.thread_id[task_id], policy, ¶m); |
| 288 | } |
| 289 | |
| 290 | GKI_TRACE_6( "Leaving GKI_create_task %x %d %x %s %x %d", |
| 291 | task_entry, |
| 292 | task_id, |
| 293 | gki_cb.os.thread_id[task_id], |
| 294 | taskname, |
| 295 | stack, |
| 296 | stacksize); |
| 297 | |
| 298 | return (GKI_SUCCESS); |
| 299 | } |
| 300 | |
| 301 | /******************************************************************************* |
| 302 | ** |
| 303 | ** Function GKI_shutdown |
| 304 | ** |
| 305 | ** Description shutdowns the GKI tasks/threads in from max task id to 0 and frees |
| 306 | ** pthread resources! |
| 307 | ** IMPORTANT: in case of join method, GKI_shutdown must be called outside |
| 308 | ** a GKI thread context! |
| 309 | ** |
| 310 | ** Returns void |
| 311 | ** |
| 312 | *******************************************************************************/ |
| 313 | #define WAKE_LOCK_ID "brcm_nfca" |
| 314 | #define PARTIAL_WAKE_LOCK 1 |
| 315 | extern int acquire_wake_lock(int lock, const char* id); |
| 316 | extern int release_wake_lock(const char* id); |
| 317 | |
| 318 | void GKI_shutdown(void) |
| 319 | { |
| 320 | UINT8 task_id; |
| 321 | volatile int *p_run_cond = &gki_cb.os.no_timer_suspend; |
| 322 | int oldCOnd = 0; |
| 323 | #if ( FALSE == GKI_PTHREAD_JOINABLE ) |
| 324 | int i = 0; |
| 325 | #else |
| 326 | int result; |
| 327 | #endif |
| 328 | |
| 329 | /* release threads and set as TASK_DEAD. going from low to high priority fixes |
| 330 | * GKI_exception problem due to btu->hci sleep request events */ |
| 331 | for (task_id = GKI_MAX_TASKS; task_id > 0; task_id--) |
| 332 | { |
| 333 | if (gki_cb.com.OSRdyTbl[task_id - 1] != TASK_DEAD) |
| 334 | { |
| 335 | gki_cb.com.OSRdyTbl[task_id - 1] = TASK_DEAD; |
| 336 | |
| 337 | /* paranoi settings, make sure that we do not execute any mailbox events */ |
| 338 | gki_cb.com.OSWaitEvt[task_id-1] &= ~(TASK_MBOX_0_EVT_MASK|TASK_MBOX_1_EVT_MASK| |
| 339 | TASK_MBOX_2_EVT_MASK|TASK_MBOX_3_EVT_MASK); |
| 340 | GKI_send_event(task_id - 1, EVENT_MASK(GKI_SHUTDOWN_EVT)); |
| 341 | |
| 342 | #if ( FALSE == GKI_PTHREAD_JOINABLE ) |
| 343 | i = 0; |
| 344 | |
| 345 | while ((gki_cb.com.OSWaitEvt[task_id - 1] != 0) && (++i < 10)) |
| 346 | usleep(100 * 1000); |
| 347 | #else |
| 348 | /* wait for proper Arnold Schwarzenegger task state */ |
| 349 | result = pthread_join( gki_cb.os.thread_id[task_id-1], NULL ); |
| 350 | if ( result < 0 ) |
| 351 | { |
| 352 | GKI_TRACE_1( "pthread_join() FAILED: result: %d", result ); |
| 353 | } |
| 354 | #endif |
| 355 | GKI_TRACE_1( "GKI_shutdown(): task %s dead", gki_cb.com.OSTName[task_id]); |
| 356 | GKI_exit_task(task_id - 1); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | /* Destroy mutex and condition variable objects */ |
| 361 | pthread_mutex_destroy(&gki_cb.os.GKI_mutex); |
| 362 | /* pthread_mutex_destroy(&GKI_sched_mutex); */ |
| 363 | #if (GKI_DEBUG == TRUE) |
| 364 | pthread_mutex_destroy(&gki_cb.os.GKI_trace_mutex); |
| 365 | #endif |
| 366 | /* pthread_mutex_destroy(&thread_delay_mutex); |
| 367 | pthread_cond_destroy (&thread_delay_cond); */ |
| 368 | #if ( FALSE == GKI_PTHREAD_JOINABLE ) |
| 369 | i = 0; |
| 370 | #endif |
| 371 | |
| 372 | #ifdef NO_GKI_RUN_RETURN |
| 373 | shutdown_timer = 1; |
| 374 | #endif |
| 375 | if (gki_cb.os.gki_timer_wake_lock_on) |
| 376 | { |
| 377 | GKI_TRACE_0("GKI_shutdown : release_wake_lock(brcm_btld)"); |
| 378 | release_wake_lock(WAKE_LOCK_ID); |
| 379 | gki_cb.os.gki_timer_wake_lock_on = 0; |
| 380 | } |
| 381 | oldCOnd = *p_run_cond; |
| 382 | *p_run_cond = GKI_TIMER_TICK_EXIT_COND; |
| 383 | if (oldCOnd == GKI_TIMER_TICK_STOP_COND) |
| 384 | pthread_cond_signal( &gki_cb.os.gki_timer_cond ); |
| 385 | |
| 386 | } |
| 387 | |
| 388 | /******************************************************************************* |
| 389 | ** |
| 390 | ** Function GKI_run |
| 391 | ** |
| 392 | ** Description This function runs a task |
| 393 | ** |
| 394 | ** Parameters: start: TRUE start system tick (again), FALSE stop |
| 395 | ** |
| 396 | ** Returns void |
| 397 | ** |
| 398 | *********************************************************************************/ |
| 399 | void gki_system_tick_start_stop_cback(BOOLEAN start) |
| 400 | { |
| 401 | tGKI_OS *p_os = &gki_cb.os; |
| 402 | volatile int *p_run_cond = &p_os->no_timer_suspend; |
| 403 | volatile static int wake_lock_count; |
| 404 | if ( FALSE == start ) |
| 405 | { |
| 406 | /* this can lead to a race condition. however as we only read this variable in the timer loop |
| 407 | * we should be fine with this approach. otherwise uncomment below mutexes. |
| 408 | */ |
| 409 | /* GKI_disable(); */ |
| 410 | *p_run_cond = GKI_TIMER_TICK_STOP_COND; |
| 411 | /* GKI_enable(); */ |
| 412 | #ifdef GKI_TICK_TIMER_DEBUG |
| 413 | BT_TRACE_1( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, ">>> STOP GKI_timer_update(), wake_lock_count:%d", --wake_lock_count); |
| 414 | #endif |
| 415 | release_wake_lock(WAKE_LOCK_ID); |
| 416 | gki_cb.os.gki_timer_wake_lock_on = 0; |
| 417 | } |
| 418 | else |
| 419 | { |
| 420 | /* restart GKI_timer_update() loop */ |
| 421 | acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); |
| 422 | gki_cb.os.gki_timer_wake_lock_on = 1; |
| 423 | *p_run_cond = GKI_TIMER_TICK_RUN_COND; |
| 424 | pthread_mutex_lock( &p_os->gki_timer_mutex ); |
| 425 | pthread_cond_signal( &p_os->gki_timer_cond ); |
| 426 | pthread_mutex_unlock( &p_os->gki_timer_mutex ); |
| 427 | |
| 428 | #ifdef GKI_TICK_TIMER_DEBUG |
| 429 | BT_TRACE_1( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, ">>> START GKI_timer_update(), wake_lock_count:%d", ++wake_lock_count ); |
| 430 | #endif |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | |
| 435 | /******************************************************************************* |
| 436 | ** |
| 437 | ** Function timer_thread |
| 438 | ** |
| 439 | ** Description Timer thread |
| 440 | ** |
| 441 | ** Parameters: id - (input) timer ID |
| 442 | ** |
| 443 | ** Returns void |
| 444 | ** |
| 445 | *********************************************************************************/ |
| 446 | #ifdef NO_GKI_RUN_RETURN |
| 447 | void timer_thread(signed long id) |
| 448 | { |
| 449 | GKI_TRACE_1("%s enter", __func__); |
| 450 | struct timespec delay; |
| 451 | int timeout = 1000; /* 10 ms per system tick */ |
| 452 | int err; |
| 453 | |
| 454 | while(!shutdown_timer) |
| 455 | { |
| 456 | delay.tv_sec = timeout / 1000; |
| 457 | delay.tv_nsec = 1000 * 1000 * (timeout%1000); |
| 458 | |
| 459 | /* [u]sleep can't be used because it uses SIGALRM */ |
| 460 | |
| 461 | do |
| 462 | { |
| 463 | err = nanosleep(&delay, &delay); |
| 464 | } while (err < 0 && errno ==EINTR); |
| 465 | |
| 466 | GKI_timer_update(1); |
| 467 | } |
| 468 | GKI_TRACE_1("%s exit", __func__); |
| 469 | pthread_exit(NULL); |
| 470 | } |
| 471 | #endif |
| 472 | |
| 473 | /******************************************************************************* |
| 474 | ** |
| 475 | ** Function GKI_run |
| 476 | ** |
| 477 | ** Description This function runs a task |
| 478 | ** |
| 479 | ** Parameters: p_task_id - (input) pointer to task id |
| 480 | ** |
| 481 | ** Returns void |
| 482 | ** |
| 483 | ** NOTE This function is only needed for operating systems where |
| 484 | ** starting a task is a 2-step process. Most OS's do it in |
| 485 | ** one step, If your OS does it in one step, this function |
| 486 | ** should be empty. |
| 487 | *********************************************************************************/ |
| 488 | void GKI_run (void *p_task_id) |
| 489 | { |
| 490 | GKI_TRACE_1("%s enter", __func__); |
| 491 | struct timespec delay; |
| 492 | int err = 0; |
| 493 | volatile int * p_run_cond = &gki_cb.os.no_timer_suspend; |
| 494 | |
| 495 | #ifndef GKI_NO_TICK_STOP |
| 496 | /* register start stop function which disable timer loop in GKI_run() when no timers are |
| 497 | * in any GKI/BTA/BTU this should save power when BTLD is idle! */ |
| 498 | GKI_timer_queue_register_callback( gki_system_tick_start_stop_cback ); |
| 499 | APPL_TRACE_DEBUG0( "GKI_run(): Start/Stop GKI_timer_update_registered!" ); |
| 500 | #endif |
| 501 | |
| 502 | #ifdef NO_GKI_RUN_RETURN |
| 503 | GKI_TRACE_0("GKI_run == NO_GKI_RUN_RETURN"); |
| 504 | pthread_attr_t timer_attr; |
| 505 | |
| 506 | shutdown_timer = 0; |
| 507 | |
| 508 | pthread_attr_init(&timer_attr); |
| 509 | pthread_attr_setdetachstate(&timer_attr, PTHREAD_CREATE_DETACHED); |
| 510 | if (pthread_create( &timer_thread_id, |
| 511 | &timer_attr, |
| 512 | timer_thread, |
| 513 | NULL) != 0 ) |
| 514 | { |
| 515 | GKI_TRACE_0("GKI_run: pthread_create failed to create timer_thread!"); |
| 516 | return GKI_FAILURE; |
| 517 | } |
| 518 | #else |
| 519 | GKI_TRACE_2("GKI_run, run_cond(%x)=%d ", p_run_cond, *p_run_cond); |
| 520 | for (;GKI_TIMER_TICK_EXIT_COND != *p_run_cond;) |
| 521 | { |
| 522 | do |
| 523 | { |
| 524 | /* adjust hear bit tick in btld by changning TICKS_PER_SEC!!!!! this formula works only for |
| 525 | * 1-1000ms heart beat units! */ |
| 526 | delay.tv_sec = LINUX_SEC / 1000; |
| 527 | delay.tv_nsec = 1000 * 1000 * (LINUX_SEC % 1000); |
| 528 | |
| 529 | /* [u]sleep can't be used because it uses SIGALRM */ |
| 530 | do |
| 531 | { |
| 532 | err = nanosleep(&delay, &delay); |
| 533 | } while (err < 0 && errno == EINTR); |
| 534 | |
| 535 | /* the unit should be alsways 1 (1 tick). only if you vary for some reason heart beat tick |
| 536 | * e.g. power saving you may want to provide more ticks |
| 537 | */ |
| 538 | GKI_timer_update( 1 ); |
| 539 | /* BT_TRACE_2( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, "update: tv_sec: %d, tv_nsec: %d", delay.tv_sec, delay.tv_nsec ); */ |
| 540 | } while ( GKI_TIMER_TICK_RUN_COND == *p_run_cond); |
| 541 | |
| 542 | /* currently on reason to exit above loop is no_timer_suspend == GKI_TIMER_TICK_STOP_COND |
| 543 | * block timer main thread till re-armed by */ |
| 544 | #ifdef GKI_TICK_TIMER_DEBUG |
| 545 | BT_TRACE_0( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, ">>> SUSPENDED GKI_timer_update()" ); |
| 546 | #endif |
| 547 | if (GKI_TIMER_TICK_EXIT_COND != *p_run_cond) { |
| 548 | GKI_TRACE_1("%s waiting timer mutex", __func__); |
| 549 | pthread_mutex_lock( &gki_cb.os.gki_timer_mutex ); |
| 550 | pthread_cond_wait( &gki_cb.os.gki_timer_cond, &gki_cb.os.gki_timer_mutex ); |
| 551 | pthread_mutex_unlock( &gki_cb.os.gki_timer_mutex ); |
| 552 | GKI_TRACE_1("%s exited timer mutex", __func__); |
| 553 | } |
| 554 | /* potentially we need to adjust os gki_cb.com.OSTicks */ |
| 555 | |
| 556 | #ifdef GKI_TICK_TIMER_DEBUG |
| 557 | BT_TRACE_1( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, ">>> RESTARTED GKI_timer_update(): run_cond: %d", |
| 558 | *p_run_cond ); |
| 559 | #endif |
| 560 | } /* for */ |
| 561 | #endif |
| 562 | GKI_TRACE_1("%s exit", __func__); |
| 563 | return(0); |
| 564 | } |
| 565 | |
| 566 | |
| 567 | /******************************************************************************* |
| 568 | ** |
| 569 | ** Function GKI_stop |
| 570 | ** |
| 571 | ** Description This function is called to stop |
| 572 | ** the tasks and timers when the system is being stopped |
| 573 | ** |
| 574 | ** Returns void |
| 575 | ** |
| 576 | ** NOTE This function is NOT called by the Widcomm stack and |
| 577 | ** profiles. If you want to use it in your own implementation, |
| 578 | ** put specific code here. |
| 579 | ** |
| 580 | *******************************************************************************/ |
| 581 | void GKI_stop (void) |
| 582 | { |
| 583 | UINT8 task_id; |
| 584 | |
| 585 | /* gki_queue_timer_cback(FALSE); */ |
| 586 | /* TODO - add code here if needed*/ |
| 587 | |
| 588 | for(task_id = 0; task_id<GKI_MAX_TASKS; task_id++) |
| 589 | { |
| 590 | if(gki_cb.com.OSRdyTbl[task_id] != TASK_DEAD) |
| 591 | { |
| 592 | GKI_exit_task(task_id); |
| 593 | } |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | |
| 598 | /******************************************************************************* |
| 599 | ** |
| 600 | ** Function GKI_wait |
| 601 | ** |
| 602 | ** Description This function is called by tasks to wait for a specific |
| 603 | ** event or set of events. The task may specify the duration |
| 604 | ** that it wants to wait for, or 0 if infinite. |
| 605 | ** |
| 606 | ** Parameters: flag - (input) the event or set of events to wait for |
| 607 | ** timeout - (input) the duration that the task wants to wait |
| 608 | ** for the specific events (in system ticks) |
| 609 | ** |
| 610 | ** |
| 611 | ** Returns the event mask of received events or zero if timeout |
| 612 | ** |
| 613 | *******************************************************************************/ |
| 614 | UINT16 GKI_wait (UINT16 flag, UINT32 timeout) |
| 615 | { |
| 616 | UINT16 evt; |
| 617 | UINT8 rtask; |
| 618 | struct timespec abstime = { 0, 0 }; |
| 619 | int sec; |
| 620 | int nano_sec; |
| 621 | |
| 622 | rtask = GKI_get_taskid(); |
| 623 | GKI_TRACE_3("GKI_wait %d %x %d", rtask, flag, timeout); |
| 624 | if (rtask >= GKI_MAX_TASKS) { |
| 625 | pthread_exit(NULL); |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | gki_pthread_info_t* p_pthread_info = &gki_pthread_info[rtask]; |
| 630 | if (p_pthread_info->pCond != NULL && p_pthread_info->pMutex != NULL) { |
| 631 | int ret; |
| 632 | GKI_TRACE_3("GKI_wait task=%i, pCond/pMutex = %x/%x", rtask, p_pthread_info->pCond, p_pthread_info->pMutex); |
| 633 | ret = pthread_mutex_lock(p_pthread_info->pMutex); |
| 634 | ret = pthread_cond_signal(p_pthread_info->pCond); |
| 635 | ret = pthread_mutex_unlock(p_pthread_info->pMutex); |
| 636 | p_pthread_info->pMutex = NULL; |
| 637 | p_pthread_info->pCond = NULL; |
| 638 | } |
| 639 | gki_cb.com.OSWaitForEvt[rtask] = flag; |
| 640 | |
| 641 | /* protect OSWaitEvt[rtask] from modification from an other thread */ |
| 642 | pthread_mutex_lock(&gki_cb.os.thread_evt_mutex[rtask]); |
| 643 | |
| 644 | #if 0 /* for clean scheduling we probably should always call pthread_cond_wait() */ |
| 645 | /* Check if anything in any of the mailboxes. There is a potential race condition where OSTaskQFirst[rtask] |
| 646 | has been modified. however this should only result in addtional call to pthread_cond_wait() but as |
| 647 | the cond is met, it will exit immediately (depending on schedulling) */ |
| 648 | if (gki_cb.com.OSTaskQFirst[rtask][0]) |
| 649 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_0_EVT_MASK; |
| 650 | if (gki_cb.com.OSTaskQFirst[rtask][1]) |
| 651 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_1_EVT_MASK; |
| 652 | if (gki_cb.com.OSTaskQFirst[rtask][2]) |
| 653 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_2_EVT_MASK; |
| 654 | if (gki_cb.com.OSTaskQFirst[rtask][3]) |
| 655 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_3_EVT_MASK; |
| 656 | #endif |
| 657 | |
| 658 | if (!(gki_cb.com.OSWaitEvt[rtask] & flag)) |
| 659 | { |
| 660 | if (timeout) |
| 661 | { |
| 662 | // timeout = GKI_MS_TO_TICKS(timeout); /* convert from milliseconds to ticks */ |
| 663 | |
| 664 | /* get current system time */ |
| 665 | // clock_gettime(CLOCK_MONOTONIC, &currSysTime); |
| 666 | // abstime.tv_sec = currSysTime.time; |
| 667 | // abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; |
| 668 | clock_gettime(CLOCK_MONOTONIC, &abstime); |
| 669 | |
| 670 | /* add timeout */ |
| 671 | sec = timeout / 1000; |
| 672 | nano_sec = (timeout % 1000) * NANOSEC_PER_MILLISEC; |
| 673 | abstime.tv_nsec += nano_sec; |
| 674 | if (abstime.tv_nsec > NSEC_PER_SEC) |
| 675 | { |
| 676 | abstime.tv_sec += (abstime.tv_nsec / NSEC_PER_SEC); |
| 677 | abstime.tv_nsec = abstime.tv_nsec % NSEC_PER_SEC; |
| 678 | } |
| 679 | abstime.tv_sec += sec; |
| 680 | |
| 681 | pthread_cond_timedwait_monotonic(&gki_cb.os.thread_evt_cond[rtask], |
| 682 | &gki_cb.os.thread_evt_mutex[rtask], &abstime); |
| 683 | |
| 684 | } |
| 685 | else |
| 686 | { |
| 687 | pthread_cond_wait(&gki_cb.os.thread_evt_cond[rtask], &gki_cb.os.thread_evt_mutex[rtask]); |
| 688 | } |
| 689 | |
| 690 | /* TODO: check, this is probably neither not needed depending on phtread_cond_wait() implmentation, |
| 691 | e.g. it looks like it is implemented as a counter in which case multiple cond_signal |
| 692 | should NOT be lost! */ |
| 693 | // we are waking up after waiting for some events, so refresh variables |
| 694 | // no need to call GKI_disable() here as we know that we will have some events as we've been waking up after condition pending or timeout |
| 695 | if (gki_cb.com.OSTaskQFirst[rtask][0]) |
| 696 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_0_EVT_MASK; |
| 697 | if (gki_cb.com.OSTaskQFirst[rtask][1]) |
| 698 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_1_EVT_MASK; |
| 699 | if (gki_cb.com.OSTaskQFirst[rtask][2]) |
| 700 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_2_EVT_MASK; |
| 701 | if (gki_cb.com.OSTaskQFirst[rtask][3]) |
| 702 | gki_cb.com.OSWaitEvt[rtask] |= TASK_MBOX_3_EVT_MASK; |
| 703 | |
| 704 | if (gki_cb.com.OSRdyTbl[rtask] == TASK_DEAD) |
| 705 | { |
| 706 | gki_cb.com.OSWaitEvt[rtask] = 0; |
| 707 | /* unlock thread_evt_mutex as pthread_cond_wait() does auto lock when cond is met */ |
| 708 | pthread_mutex_unlock(&gki_cb.os.thread_evt_mutex[rtask]); |
| 709 | BT_TRACE_1( TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, "GKI TASK_DEAD received. exit thread %d...", rtask ); |
| 710 | |
| 711 | gki_cb.os.thread_id[rtask] = 0; |
| 712 | pthread_exit(NULL); |
| 713 | return (EVENT_MASK(GKI_SHUTDOWN_EVT)); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | /* Clear the wait for event mask */ |
| 718 | gki_cb.com.OSWaitForEvt[rtask] = 0; |
| 719 | |
| 720 | /* Return only those bits which user wants... */ |
| 721 | evt = gki_cb.com.OSWaitEvt[rtask] & flag; |
| 722 | |
| 723 | /* Clear only those bits which user wants... */ |
| 724 | gki_cb.com.OSWaitEvt[rtask] &= ~flag; |
| 725 | |
| 726 | /* unlock thread_evt_mutex as pthread_cond_wait() does auto lock mutex when cond is met */ |
| 727 | pthread_mutex_unlock(&gki_cb.os.thread_evt_mutex[rtask]); |
| 728 | GKI_TRACE_4("GKI_wait %d %x %d %x resumed", rtask, flag, timeout, evt); |
| 729 | |
| 730 | return (evt); |
| 731 | } |
| 732 | |
| 733 | |
| 734 | /******************************************************************************* |
| 735 | ** |
| 736 | ** Function GKI_delay |
| 737 | ** |
| 738 | ** Description This function is called by tasks to sleep unconditionally |
| 739 | ** for a specified amount of time. The duration is in milliseconds |
| 740 | ** |
| 741 | ** Parameters: timeout - (input) the duration in milliseconds |
| 742 | ** |
| 743 | ** Returns void |
| 744 | ** |
| 745 | *******************************************************************************/ |
| 746 | |
| 747 | void GKI_delay (UINT32 timeout) |
| 748 | { |
| 749 | UINT8 rtask = GKI_get_taskid(); |
| 750 | struct timespec delay; |
| 751 | int err; |
| 752 | |
| 753 | GKI_TRACE_2("GKI_delay %d %d", rtask, timeout); |
| 754 | |
| 755 | delay.tv_sec = timeout / 1000; |
| 756 | delay.tv_nsec = 1000 * 1000 * (timeout%1000); |
| 757 | |
| 758 | /* [u]sleep can't be used because it uses SIGALRM */ |
| 759 | |
| 760 | do { |
| 761 | err = nanosleep(&delay, &delay); |
| 762 | } while (err < 0 && errno ==EINTR); |
| 763 | |
| 764 | /* Check if task was killed while sleeping */ |
| 765 | /* NOTE |
| 766 | ** if you do not implement task killing, you do not |
| 767 | ** need this check. |
| 768 | */ |
| 769 | if (rtask && gki_cb.com.OSRdyTbl[rtask] == TASK_DEAD) |
| 770 | { |
| 771 | } |
| 772 | |
| 773 | GKI_TRACE_2("GKI_delay %d %d done", rtask, timeout); |
| 774 | return; |
| 775 | } |
| 776 | |
| 777 | |
| 778 | /******************************************************************************* |
| 779 | ** |
| 780 | ** Function GKI_send_event |
| 781 | ** |
| 782 | ** Description This function is called by tasks to send events to other |
| 783 | ** tasks. Tasks can also send events to themselves. |
| 784 | ** |
| 785 | ** Parameters: task_id - (input) The id of the task to which the event has to |
| 786 | ** be sent |
| 787 | ** event - (input) The event that has to be sent |
| 788 | ** |
| 789 | ** |
| 790 | ** Returns GKI_SUCCESS if all OK, else GKI_FAILURE |
| 791 | ** |
| 792 | *******************************************************************************/ |
| 793 | UINT8 GKI_send_event (UINT8 task_id, UINT16 event) |
| 794 | { |
| 795 | GKI_TRACE_2("GKI_send_event %d %x", task_id, event); |
| 796 | |
| 797 | /* use efficient coding to avoid pipeline stalls */ |
| 798 | if (task_id < GKI_MAX_TASKS) |
| 799 | { |
| 800 | /* protect OSWaitEvt[task_id] from manipulation in GKI_wait() */ |
| 801 | pthread_mutex_lock(&gki_cb.os.thread_evt_mutex[task_id]); |
| 802 | |
| 803 | /* Set the event bit */ |
| 804 | gki_cb.com.OSWaitEvt[task_id] |= event; |
| 805 | |
| 806 | pthread_cond_signal(&gki_cb.os.thread_evt_cond[task_id]); |
| 807 | |
| 808 | pthread_mutex_unlock(&gki_cb.os.thread_evt_mutex[task_id]); |
| 809 | |
| 810 | GKI_TRACE_2("GKI_send_event %d %x done", task_id, event); |
| 811 | return ( GKI_SUCCESS ); |
| 812 | } |
| 813 | return (GKI_FAILURE); |
| 814 | } |
| 815 | |
| 816 | |
| 817 | /******************************************************************************* |
| 818 | ** |
| 819 | ** Function GKI_isend_event |
| 820 | ** |
| 821 | ** Description This function is called from ISRs to send events to other |
| 822 | ** tasks. The only difference between this function and GKI_send_event |
| 823 | ** is that this function assumes interrupts are already disabled. |
| 824 | ** |
| 825 | ** Parameters: task_id - (input) The destination task Id for the event. |
| 826 | ** event - (input) The event flag |
| 827 | ** |
| 828 | ** Returns GKI_SUCCESS if all OK, else GKI_FAILURE |
| 829 | ** |
| 830 | ** NOTE This function is NOT called by the Widcomm stack and |
| 831 | ** profiles. If you want to use it in your own implementation, |
| 832 | ** put your code here, otherwise you can delete the entire |
| 833 | ** body of the function. |
| 834 | ** |
| 835 | *******************************************************************************/ |
| 836 | UINT8 GKI_isend_event (UINT8 task_id, UINT16 event) |
| 837 | { |
| 838 | |
| 839 | GKI_TRACE_2("GKI_isend_event %d %x", task_id, event); |
| 840 | GKI_TRACE_2("GKI_isend_event %d %x done", task_id, event); |
| 841 | return GKI_send_event(task_id, event); |
| 842 | } |
| 843 | |
| 844 | |
| 845 | /******************************************************************************* |
| 846 | ** |
| 847 | ** Function GKI_get_taskid |
| 848 | ** |
| 849 | ** Description This function gets the currently running task ID. |
| 850 | ** |
| 851 | ** Returns task ID |
| 852 | ** |
| 853 | ** NOTE The Widcomm upper stack and profiles may run as a single task. |
| 854 | ** If you only have one GKI task, then you can hard-code this |
| 855 | ** function to return a '1'. Otherwise, you should have some |
| 856 | ** OS-specific method to determine the current task. |
| 857 | ** |
| 858 | *******************************************************************************/ |
| 859 | UINT8 GKI_get_taskid (void) |
| 860 | { |
| 861 | int i; |
| 862 | |
| 863 | pthread_t thread_id = pthread_self( ); |
| 864 | for (i = 0; i < GKI_MAX_TASKS; i++) { |
| 865 | if (gki_cb.os.thread_id[i] == thread_id) { |
| 866 | GKI_TRACE_2("GKI_get_taskid %x %d done", thread_id, i); |
| 867 | return(i); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | GKI_TRACE_1("GKI_get_taskid: thread id = %x, task id = -1", thread_id); |
| 872 | |
| 873 | return(-1); |
| 874 | } |
| 875 | |
| 876 | /******************************************************************************* |
| 877 | ** |
| 878 | ** Function GKI_map_taskname |
| 879 | ** |
| 880 | ** Description This function gets the task name of the taskid passed as arg. |
| 881 | ** If GKI_MAX_TASKS is passed as arg the currently running task |
| 882 | ** name is returned |
| 883 | ** |
| 884 | ** Parameters: task_id - (input) The id of the task whose name is being |
| 885 | ** sought. GKI_MAX_TASKS is passed to get the name of the |
| 886 | ** currently running task. |
| 887 | ** |
| 888 | ** Returns pointer to task name |
| 889 | ** |
| 890 | ** NOTE this function needs no customization |
| 891 | ** |
| 892 | *******************************************************************************/ |
| 893 | INT8 *GKI_map_taskname (UINT8 task_id) |
| 894 | { |
| 895 | GKI_TRACE_1("GKI_map_taskname %d", task_id); |
| 896 | |
| 897 | if (task_id < GKI_MAX_TASKS) |
| 898 | { |
| 899 | GKI_TRACE_2("GKI_map_taskname %d %s done", task_id, gki_cb.com.OSTName[task_id]); |
| 900 | return (gki_cb.com.OSTName[task_id]); |
| 901 | } |
| 902 | else if (task_id == GKI_MAX_TASKS ) |
| 903 | { |
| 904 | return (gki_cb.com.OSTName[GKI_get_taskid()]); |
| 905 | } |
| 906 | else |
| 907 | { |
| 908 | return "BAD"; |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | |
| 913 | /******************************************************************************* |
| 914 | ** |
| 915 | ** Function GKI_enable |
| 916 | ** |
| 917 | ** Description This function enables interrupts. |
| 918 | ** |
| 919 | ** Returns void |
| 920 | ** |
| 921 | *******************************************************************************/ |
| 922 | void GKI_enable (void) |
| 923 | { |
| 924 | GKI_TRACE_0("GKI_enable"); |
| 925 | pthread_mutex_unlock(&gki_cb.os.GKI_mutex); |
| 926 | /* pthread_mutex_xx is nesting save, no need for this: already_disabled = 0; */ |
| 927 | GKI_TRACE_0("Leaving GKI_enable"); |
| 928 | return; |
| 929 | } |
| 930 | |
| 931 | |
| 932 | /******************************************************************************* |
| 933 | ** |
| 934 | ** Function GKI_disable |
| 935 | ** |
| 936 | ** Description This function disables interrupts. |
| 937 | ** |
| 938 | ** Returns void |
| 939 | ** |
| 940 | *******************************************************************************/ |
| 941 | |
| 942 | void GKI_disable (void) |
| 943 | { |
| 944 | //GKI_TRACE_0("GKI_disable"); |
| 945 | |
| 946 | /* pthread_mutex_xx is nesting save, no need for this: if (!already_disabled) { |
| 947 | already_disabled = 1; */ |
| 948 | pthread_mutex_lock(&gki_cb.os.GKI_mutex); |
| 949 | /* } */ |
| 950 | //GKI_TRACE_0("Leaving GKI_disable"); |
| 951 | return; |
| 952 | } |
| 953 | |
| 954 | |
| 955 | /******************************************************************************* |
| 956 | ** |
| 957 | ** Function GKI_exception |
| 958 | ** |
| 959 | ** Description This function throws an exception. |
| 960 | ** This is normally only called for a nonrecoverable error. |
| 961 | ** |
| 962 | ** Parameters: code - (input) The code for the error |
| 963 | ** msg - (input) The message that has to be logged |
| 964 | ** |
| 965 | ** Returns void |
| 966 | ** |
| 967 | *******************************************************************************/ |
| 968 | |
| 969 | void GKI_exception (UINT16 code, char *msg) |
| 970 | { |
| 971 | UINT8 task_id; |
| 972 | int i = 0; |
| 973 | |
| 974 | GKI_TRACE_ERROR_0( "GKI_exception(): Task State Table"); |
| 975 | |
| 976 | for(task_id = 0; task_id < GKI_MAX_TASKS; task_id++) |
| 977 | { |
| 978 | GKI_TRACE_ERROR_3( "TASK ID [%d] task name [%s] state [%d]", |
| 979 | task_id, |
| 980 | gki_cb.com.OSTName[task_id], |
| 981 | gki_cb.com.OSRdyTbl[task_id]); |
| 982 | } |
| 983 | |
| 984 | GKI_TRACE_ERROR_2("GKI_exception %d %s", code, msg); |
| 985 | GKI_TRACE_ERROR_0( "********************************************************************"); |
| 986 | GKI_TRACE_ERROR_2( "* GKI_exception(): %d %s", code, msg); |
| 987 | GKI_TRACE_ERROR_0( "********************************************************************"); |
| 988 | |
| 989 | #if (GKI_DEBUG == TRUE) |
| 990 | GKI_disable(); |
| 991 | |
| 992 | if (gki_cb.com.ExceptionCnt < GKI_MAX_EXCEPTION) |
| 993 | { |
| 994 | EXCEPTION_T *pExp; |
| 995 | |
| 996 | pExp = &gki_cb.com.Exception[gki_cb.com.ExceptionCnt++]; |
| 997 | pExp->type = code; |
| 998 | pExp->taskid = GKI_get_taskid(); |
| 999 | strncpy((char *)pExp->msg, msg, GKI_MAX_EXCEPTION_MSGLEN - 1); |
| 1000 | } |
| 1001 | |
| 1002 | GKI_enable(); |
| 1003 | #endif |
| 1004 | |
| 1005 | GKI_TRACE_ERROR_2("GKI_exception %d %s done", code, msg); |
| 1006 | |
| 1007 | |
| 1008 | return; |
| 1009 | } |
| 1010 | |
| 1011 | |
| 1012 | /******************************************************************************* |
| 1013 | ** |
| 1014 | ** Function GKI_get_time_stamp |
| 1015 | ** |
| 1016 | ** Description This function formats the time into a user area |
| 1017 | ** |
| 1018 | ** Parameters: tbuf - (output) the address to the memory containing the |
| 1019 | ** formatted time |
| 1020 | ** |
| 1021 | ** Returns the address of the user area containing the formatted time |
| 1022 | ** The format of the time is ???? |
| 1023 | ** |
| 1024 | ** NOTE This function is only called by OBEX. |
| 1025 | ** |
| 1026 | *******************************************************************************/ |
| 1027 | INT8 *GKI_get_time_stamp (INT8 *tbuf) |
| 1028 | { |
| 1029 | UINT32 ms_time; |
| 1030 | UINT32 s_time; |
| 1031 | UINT32 m_time; |
| 1032 | UINT32 h_time; |
| 1033 | INT8 *p_out = tbuf; |
| 1034 | |
| 1035 | gki_cb.com.OSTicks = times(0); |
| 1036 | ms_time = GKI_TICKS_TO_MS(gki_cb.com.OSTicks); |
| 1037 | s_time = ms_time/100; /* 100 Ticks per second */ |
| 1038 | m_time = s_time/60; |
| 1039 | h_time = m_time/60; |
| 1040 | |
| 1041 | ms_time -= s_time*100; |
| 1042 | s_time -= m_time*60; |
| 1043 | m_time -= h_time*60; |
| 1044 | |
| 1045 | *p_out++ = (INT8)((h_time / 10) + '0'); |
| 1046 | *p_out++ = (INT8)((h_time % 10) + '0'); |
| 1047 | *p_out++ = ':'; |
| 1048 | *p_out++ = (INT8)((m_time / 10) + '0'); |
| 1049 | *p_out++ = (INT8)((m_time % 10) + '0'); |
| 1050 | *p_out++ = ':'; |
| 1051 | *p_out++ = (INT8)((s_time / 10) + '0'); |
| 1052 | *p_out++ = (INT8)((s_time % 10) + '0'); |
| 1053 | *p_out++ = ':'; |
| 1054 | *p_out++ = (INT8)((ms_time / 10) + '0'); |
| 1055 | *p_out++ = (INT8)((ms_time % 10) + '0'); |
| 1056 | *p_out++ = ':'; |
| 1057 | *p_out = 0; |
| 1058 | |
| 1059 | return (tbuf); |
| 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | /******************************************************************************* |
| 1064 | ** |
| 1065 | ** Function GKI_register_mempool |
| 1066 | ** |
| 1067 | ** Description This function registers a specific memory pool. |
| 1068 | ** |
| 1069 | ** Parameters: p_mem - (input) pointer to the memory pool |
| 1070 | ** |
| 1071 | ** Returns void |
| 1072 | ** |
| 1073 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1074 | ** profiles. If your OS has different memory pools, you |
| 1075 | ** can tell GKI the pool to use by calling this function. |
| 1076 | ** |
| 1077 | *******************************************************************************/ |
| 1078 | void GKI_register_mempool (void *p_mem) |
| 1079 | { |
| 1080 | gki_cb.com.p_user_mempool = p_mem; |
| 1081 | |
| 1082 | return; |
| 1083 | } |
| 1084 | |
| 1085 | /******************************************************************************* |
| 1086 | ** |
| 1087 | ** Function GKI_os_malloc |
| 1088 | ** |
| 1089 | ** Description This function allocates memory |
| 1090 | ** |
| 1091 | ** Parameters: size - (input) The size of the memory that has to be |
| 1092 | ** allocated |
| 1093 | ** |
| 1094 | ** Returns the address of the memory allocated, or NULL if failed |
| 1095 | ** |
| 1096 | ** NOTE This function is called by the Widcomm stack when |
| 1097 | ** dynamic memory allocation is used. (see dyn_mem.h) |
| 1098 | ** |
| 1099 | *******************************************************************************/ |
| 1100 | void *GKI_os_malloc (UINT32 size) |
| 1101 | { |
| 1102 | return (malloc(size)); |
| 1103 | } |
| 1104 | |
| 1105 | /******************************************************************************* |
| 1106 | ** |
| 1107 | ** Function GKI_os_free |
| 1108 | ** |
| 1109 | ** Description This function frees memory |
| 1110 | ** |
| 1111 | ** Parameters: size - (input) The address of the memory that has to be |
| 1112 | ** freed |
| 1113 | ** |
| 1114 | ** Returns void |
| 1115 | ** |
| 1116 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1117 | ** profiles. It is only called from within GKI if dynamic |
| 1118 | ** |
| 1119 | *******************************************************************************/ |
| 1120 | void GKI_os_free (void *p_mem) |
| 1121 | { |
| 1122 | if(p_mem != NULL) |
| 1123 | free(p_mem); |
| 1124 | return; |
| 1125 | } |
| 1126 | |
| 1127 | |
| 1128 | /******************************************************************************* |
| 1129 | ** |
| 1130 | ** Function GKI_suspend_task() |
| 1131 | ** |
| 1132 | ** Description This function suspends the task specified in the argument. |
| 1133 | ** |
| 1134 | ** Parameters: task_id - (input) the id of the task that has to suspended |
| 1135 | ** |
| 1136 | ** Returns GKI_SUCCESS if all OK, else GKI_FAILURE |
| 1137 | ** |
| 1138 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1139 | ** profiles. If you want to implement task suspension capability, |
| 1140 | ** put specific code here. |
| 1141 | ** |
| 1142 | *******************************************************************************/ |
| 1143 | UINT8 GKI_suspend_task (UINT8 task_id) |
| 1144 | { |
| 1145 | GKI_TRACE_1("GKI_suspend_task %d - NOT implemented", task_id); |
| 1146 | |
| 1147 | |
| 1148 | GKI_TRACE_1("GKI_suspend_task %d done", task_id); |
| 1149 | |
| 1150 | return (GKI_SUCCESS); |
| 1151 | } |
| 1152 | |
| 1153 | |
| 1154 | /******************************************************************************* |
| 1155 | ** |
| 1156 | ** Function GKI_resume_task() |
| 1157 | ** |
| 1158 | ** Description This function resumes the task specified in the argument. |
| 1159 | ** |
| 1160 | ** Parameters: task_id - (input) the id of the task that has to resumed |
| 1161 | ** |
| 1162 | ** Returns GKI_SUCCESS if all OK |
| 1163 | ** |
| 1164 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1165 | ** profiles. If you want to implement task suspension capability, |
| 1166 | ** put specific code here. |
| 1167 | ** |
| 1168 | *******************************************************************************/ |
| 1169 | UINT8 GKI_resume_task (UINT8 task_id) |
| 1170 | { |
| 1171 | GKI_TRACE_1("GKI_resume_task %d - NOT implemented", task_id); |
| 1172 | |
| 1173 | |
| 1174 | GKI_TRACE_1("GKI_resume_task %d done", task_id); |
| 1175 | |
| 1176 | return (GKI_SUCCESS); |
| 1177 | } |
| 1178 | |
| 1179 | |
| 1180 | /******************************************************************************* |
| 1181 | ** |
| 1182 | ** Function GKI_exit_task |
| 1183 | ** |
| 1184 | ** Description This function is called to stop a GKI task. |
| 1185 | ** |
| 1186 | ** Parameters: task_id - (input) the id of the task that has to be stopped |
| 1187 | ** |
| 1188 | ** Returns void |
| 1189 | ** |
| 1190 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1191 | ** profiles. If you want to use it in your own implementation, |
| 1192 | ** put specific code here to kill a task. |
| 1193 | ** |
| 1194 | *******************************************************************************/ |
| 1195 | void GKI_exit_task (UINT8 task_id) |
| 1196 | { |
| 1197 | GKI_disable(); |
| 1198 | gki_cb.com.OSRdyTbl[task_id] = TASK_DEAD; |
| 1199 | |
| 1200 | /* Destroy mutex and condition variable objects */ |
| 1201 | pthread_mutex_destroy(&gki_cb.os.thread_evt_mutex[task_id]); |
| 1202 | pthread_cond_destroy (&gki_cb.os.thread_evt_cond[task_id]); |
| 1203 | pthread_mutex_destroy(&gki_cb.os.thread_timeout_mutex[task_id]); |
| 1204 | pthread_cond_destroy (&gki_cb.os.thread_timeout_cond[task_id]); |
| 1205 | |
| 1206 | GKI_enable(); |
| 1207 | |
| 1208 | //GKI_send_event(task_id, EVENT_MASK(GKI_SHUTDOWN_EVT)); |
| 1209 | |
| 1210 | GKI_TRACE_1("GKI_exit_task %d done", task_id); |
| 1211 | return; |
| 1212 | } |
| 1213 | |
| 1214 | |
| 1215 | /******************************************************************************* |
| 1216 | ** |
| 1217 | ** Function GKI_sched_lock |
| 1218 | ** |
| 1219 | ** Description This function is called by tasks to disable scheduler |
| 1220 | ** task context switching. |
| 1221 | ** |
| 1222 | ** Returns void |
| 1223 | ** |
| 1224 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1225 | ** profiles. If you want to use it in your own implementation, |
| 1226 | ** put code here to tell the OS to disable context switching. |
| 1227 | ** |
| 1228 | *******************************************************************************/ |
| 1229 | void GKI_sched_lock(void) |
| 1230 | { |
| 1231 | GKI_TRACE_0("GKI_sched_lock"); |
| 1232 | return; |
| 1233 | } |
| 1234 | |
| 1235 | |
| 1236 | /******************************************************************************* |
| 1237 | ** |
| 1238 | ** Function GKI_sched_unlock |
| 1239 | ** |
| 1240 | ** Description This function is called by tasks to enable scheduler switching. |
| 1241 | ** |
| 1242 | ** Returns void |
| 1243 | ** |
| 1244 | ** NOTE This function is NOT called by the Widcomm stack and |
| 1245 | ** profiles. If you want to use it in your own implementation, |
| 1246 | ** put code here to tell the OS to re-enable context switching. |
| 1247 | ** |
| 1248 | *******************************************************************************/ |
| 1249 | void GKI_sched_unlock(void) |
| 1250 | { |
| 1251 | GKI_TRACE_0("GKI_sched_unlock"); |
| 1252 | } |
| 1253 | |
| 1254 | /******************************************************************************* |
| 1255 | ** |
| 1256 | ** Function GKI_shiftdown |
| 1257 | ** |
| 1258 | ** Description shift memory down (to make space to insert a record) |
| 1259 | ** |
| 1260 | *******************************************************************************/ |
| 1261 | void GKI_shiftdown (UINT8 *p_mem, UINT32 len, UINT32 shift_amount) |
| 1262 | { |
| 1263 | register UINT8 *ps = p_mem + len - 1; |
| 1264 | register UINT8 *pd = ps + shift_amount; |
| 1265 | register UINT32 xx; |
| 1266 | |
| 1267 | for (xx = 0; xx < len; xx++) |
| 1268 | *pd-- = *ps--; |
| 1269 | } |
| 1270 | |
| 1271 | /******************************************************************************* |
| 1272 | ** |
| 1273 | ** Function GKI_shiftup |
| 1274 | ** |
| 1275 | ** Description shift memory up (to delete a record) |
| 1276 | ** |
| 1277 | *******************************************************************************/ |
| 1278 | void GKI_shiftup (UINT8 *p_dest, UINT8 *p_src, UINT32 len) |
| 1279 | { |
| 1280 | register UINT8 *ps = p_src; |
| 1281 | register UINT8 *pd = p_dest; |
| 1282 | register UINT32 xx; |
| 1283 | |
| 1284 | for (xx = 0; xx < len; xx++) |
| 1285 | *pd++ = *ps++; |
| 1286 | } |
| 1287 | |
| 1288 | |