Pierre Provent / USBHost

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Dependents:   TEST_USB_Nucleo_F429ZI Essais_USB_Nucleo_F429ZI SID_V3_Nucleo_F429ZI SID_V4_Nucleo_F429ZI_copy

mbed-rtos/rtos/Thread.cpp@0:77ca32e8e04e, 2020-09-25 (annotated)

Committer:
pierreprovent
Date:
Fri Sep 25 10:17:49 2020 +0000
Revision:
0:77ca32e8e04e
Programme acquisition en enregistrement sur clef USB carte Nucleo F429ZI cours ELE118 Cnam

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pierreprovent 0:77ca32e8e04e 1 /* mbed Microcontroller Library
pierreprovent 0:77ca32e8e04e 2 * Copyright (c) 2006-2012 ARM Limited
pierreprovent 0:77ca32e8e04e 3 *
pierreprovent 0:77ca32e8e04e 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
pierreprovent 0:77ca32e8e04e 5 * of this software and associated documentation files (the "Software"), to deal
pierreprovent 0:77ca32e8e04e 6 * in the Software without restriction, including without limitation the rights
pierreprovent 0:77ca32e8e04e 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
pierreprovent 0:77ca32e8e04e 8 * copies of the Software, and to permit persons to whom the Software is
pierreprovent 0:77ca32e8e04e 9 * furnished to do so, subject to the following conditions:
pierreprovent 0:77ca32e8e04e 10 *
pierreprovent 0:77ca32e8e04e 11 * The above copyright notice and this permission notice shall be included in
pierreprovent 0:77ca32e8e04e 12 * all copies or substantial portions of the Software.
pierreprovent 0:77ca32e8e04e 13 *
pierreprovent 0:77ca32e8e04e 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
pierreprovent 0:77ca32e8e04e 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
pierreprovent 0:77ca32e8e04e 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
pierreprovent 0:77ca32e8e04e 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
pierreprovent 0:77ca32e8e04e 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
pierreprovent 0:77ca32e8e04e 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
pierreprovent 0:77ca32e8e04e 20 * SOFTWARE.
pierreprovent 0:77ca32e8e04e 21 */
pierreprovent 0:77ca32e8e04e 22 #include "rtos/Thread.h"
pierreprovent 0:77ca32e8e04e 23
pierreprovent 0:77ca32e8e04e 24 #include "mbed.h"
pierreprovent 0:77ca32e8e04e 25 #include "rtos/rtos_idle.h"
pierreprovent 0:77ca32e8e04e 26
pierreprovent 0:77ca32e8e04e 27 // rt_tid2ptcb is an internal function which we exposed to get TCB for thread id
pierreprovent 0:77ca32e8e04e 28 #undef NULL //Workaround for conflicting macros in rt_TypeDef.h and stdio.h
pierreprovent 0:77ca32e8e04e 29 #include "rt_TypeDef.h"
pierreprovent 0:77ca32e8e04e 30
pierreprovent 0:77ca32e8e04e 31 extern "C" P_TCB rt_tid2ptcb(osThreadId thread_id);
pierreprovent 0:77ca32e8e04e 32
pierreprovent 0:77ca32e8e04e 33
pierreprovent 0:77ca32e8e04e 34 static void (*terminate_hook)(osThreadId id) = 0;
pierreprovent 0:77ca32e8e04e 35 extern "C" void thread_terminate_hook(osThreadId id)
pierreprovent 0:77ca32e8e04e 36 {
pierreprovent 0:77ca32e8e04e 37 if (terminate_hook != (void (*)(osThreadId))NULL) {
pierreprovent 0:77ca32e8e04e 38 terminate_hook(id);
pierreprovent 0:77ca32e8e04e 39 }
pierreprovent 0:77ca32e8e04e 40 }
pierreprovent 0:77ca32e8e04e 41
pierreprovent 0:77ca32e8e04e 42 namespace rtos {
pierreprovent 0:77ca32e8e04e 43
pierreprovent 0:77ca32e8e04e 44 void Thread::constructor(osPriority priority,
pierreprovent 0:77ca32e8e04e 45 uint32_t stack_size, unsigned char *stack_pointer) {
pierreprovent 0:77ca32e8e04e 46 _tid = 0;
pierreprovent 0:77ca32e8e04e 47 _dynamic_stack = (stack_pointer == NULL);
pierreprovent 0:77ca32e8e04e 48
pierreprovent 0:77ca32e8e04e 49 #if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 50 _thread_def.tpriority = priority;
pierreprovent 0:77ca32e8e04e 51 _thread_def.stacksize = stack_size;
pierreprovent 0:77ca32e8e04e 52 _thread_def.stack_pointer = (uint32_t*)stack_pointer;
pierreprovent 0:77ca32e8e04e 53 #endif
pierreprovent 0:77ca32e8e04e 54 }
pierreprovent 0:77ca32e8e04e 55
pierreprovent 0:77ca32e8e04e 56 void Thread::constructor(Callback<void()> task,
pierreprovent 0:77ca32e8e04e 57 osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
pierreprovent 0:77ca32e8e04e 58 constructor(priority, stack_size, stack_pointer);
pierreprovent 0:77ca32e8e04e 59
pierreprovent 0:77ca32e8e04e 60 switch (start(task)) {
pierreprovent 0:77ca32e8e04e 61 case osErrorResource:
pierreprovent 0:77ca32e8e04e 62 error("OS ran out of threads!\n");
pierreprovent 0:77ca32e8e04e 63 break;
pierreprovent 0:77ca32e8e04e 64 case osErrorParameter:
pierreprovent 0:77ca32e8e04e 65 error("Thread already running!\n");
pierreprovent 0:77ca32e8e04e 66 break;
pierreprovent 0:77ca32e8e04e 67 case osErrorNoMemory:
pierreprovent 0:77ca32e8e04e 68 error("Error allocating the stack memory\n");
pierreprovent 0:77ca32e8e04e 69 default:
pierreprovent 0:77ca32e8e04e 70 break;
pierreprovent 0:77ca32e8e04e 71 }
pierreprovent 0:77ca32e8e04e 72 }
pierreprovent 0:77ca32e8e04e 73
pierreprovent 0:77ca32e8e04e 74 osStatus Thread::start(Callback<void()> task) {
pierreprovent 0:77ca32e8e04e 75 _mutex.lock();
pierreprovent 0:77ca32e8e04e 76
pierreprovent 0:77ca32e8e04e 77 if (_tid != 0) {
pierreprovent 0:77ca32e8e04e 78 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 79 return osErrorParameter;
pierreprovent 0:77ca32e8e04e 80 }
pierreprovent 0:77ca32e8e04e 81
pierreprovent 0:77ca32e8e04e 82 #if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 83 _thread_def.pthread = Thread::_thunk;
pierreprovent 0:77ca32e8e04e 84 if (_thread_def.stack_pointer == NULL) {
pierreprovent 0:77ca32e8e04e 85 _thread_def.stack_pointer = new uint32_t[_thread_def.stacksize/sizeof(uint32_t)];
pierreprovent 0:77ca32e8e04e 86 MBED_ASSERT(_thread_def.stack_pointer != NULL);
pierreprovent 0:77ca32e8e04e 87 }
pierreprovent 0:77ca32e8e04e 88
pierreprovent 0:77ca32e8e04e 89 //Fill the stack with a magic word for maximum usage checking
pierreprovent 0:77ca32e8e04e 90 for (uint32_t i = 0; i < (_thread_def.stacksize / sizeof(uint32_t)); i++) {
pierreprovent 0:77ca32e8e04e 91 _thread_def.stack_pointer[i] = 0xE25A2EA5;
pierreprovent 0:77ca32e8e04e 92 }
pierreprovent 0:77ca32e8e04e 93 #endif
pierreprovent 0:77ca32e8e04e 94 _task = task;
pierreprovent 0:77ca32e8e04e 95 _tid = osThreadCreate(&_thread_def, this);
pierreprovent 0:77ca32e8e04e 96 if (_tid == NULL) {
pierreprovent 0:77ca32e8e04e 97 if (_dynamic_stack) {
pierreprovent 0:77ca32e8e04e 98 delete[] (_thread_def.stack_pointer);
pierreprovent 0:77ca32e8e04e 99 _thread_def.stack_pointer = (uint32_t*)NULL;
pierreprovent 0:77ca32e8e04e 100 }
pierreprovent 0:77ca32e8e04e 101 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 102 _join_sem.release();
pierreprovent 0:77ca32e8e04e 103 return osErrorResource;
pierreprovent 0:77ca32e8e04e 104 }
pierreprovent 0:77ca32e8e04e 105
pierreprovent 0:77ca32e8e04e 106 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 107 return osOK;
pierreprovent 0:77ca32e8e04e 108 }
pierreprovent 0:77ca32e8e04e 109
pierreprovent 0:77ca32e8e04e 110 osStatus Thread::terminate() {
pierreprovent 0:77ca32e8e04e 111 osStatus ret;
pierreprovent 0:77ca32e8e04e 112 _mutex.lock();
pierreprovent 0:77ca32e8e04e 113
pierreprovent 0:77ca32e8e04e 114 // Set the Thread's tid to NULL and
pierreprovent 0:77ca32e8e04e 115 // release the semaphore before terminating
pierreprovent 0:77ca32e8e04e 116 // since this thread could be terminating itself
pierreprovent 0:77ca32e8e04e 117 osThreadId local_id = _tid;
pierreprovent 0:77ca32e8e04e 118 _join_sem.release();
pierreprovent 0:77ca32e8e04e 119 _tid = (osThreadId)NULL;
pierreprovent 0:77ca32e8e04e 120
pierreprovent 0:77ca32e8e04e 121 ret = osThreadTerminate(local_id);
pierreprovent 0:77ca32e8e04e 122
pierreprovent 0:77ca32e8e04e 123 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 124 return ret;
pierreprovent 0:77ca32e8e04e 125 }
pierreprovent 0:77ca32e8e04e 126
pierreprovent 0:77ca32e8e04e 127 osStatus Thread::join() {
pierreprovent 0:77ca32e8e04e 128 int32_t ret = _join_sem.wait();
pierreprovent 0:77ca32e8e04e 129 if (ret < 0) {
pierreprovent 0:77ca32e8e04e 130 return osErrorOS;
pierreprovent 0:77ca32e8e04e 131 }
pierreprovent 0:77ca32e8e04e 132
pierreprovent 0:77ca32e8e04e 133 // The semaphore has been released so this thread is being
pierreprovent 0:77ca32e8e04e 134 // terminated or has been terminated. Once the mutex has
pierreprovent 0:77ca32e8e04e 135 // been locked it is ensured that the thread is deleted.
pierreprovent 0:77ca32e8e04e 136 _mutex.lock();
pierreprovent 0:77ca32e8e04e 137 MBED_ASSERT(NULL == _tid);
pierreprovent 0:77ca32e8e04e 138 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 139
pierreprovent 0:77ca32e8e04e 140 // Release sem so any other threads joining this thread wake up
pierreprovent 0:77ca32e8e04e 141 _join_sem.release();
pierreprovent 0:77ca32e8e04e 142 return osOK;
pierreprovent 0:77ca32e8e04e 143 }
pierreprovent 0:77ca32e8e04e 144
pierreprovent 0:77ca32e8e04e 145 osStatus Thread::set_priority(osPriority priority) {
pierreprovent 0:77ca32e8e04e 146 osStatus ret;
pierreprovent 0:77ca32e8e04e 147 _mutex.lock();
pierreprovent 0:77ca32e8e04e 148
pierreprovent 0:77ca32e8e04e 149 ret = osThreadSetPriority(_tid, priority);
pierreprovent 0:77ca32e8e04e 150
pierreprovent 0:77ca32e8e04e 151 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 152 return ret;
pierreprovent 0:77ca32e8e04e 153 }
pierreprovent 0:77ca32e8e04e 154
pierreprovent 0:77ca32e8e04e 155 osPriority Thread::get_priority() {
pierreprovent 0:77ca32e8e04e 156 osPriority ret;
pierreprovent 0:77ca32e8e04e 157 _mutex.lock();
pierreprovent 0:77ca32e8e04e 158
pierreprovent 0:77ca32e8e04e 159 ret = osThreadGetPriority(_tid);
pierreprovent 0:77ca32e8e04e 160
pierreprovent 0:77ca32e8e04e 161 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 162 return ret;
pierreprovent 0:77ca32e8e04e 163 }
pierreprovent 0:77ca32e8e04e 164
pierreprovent 0:77ca32e8e04e 165 int32_t Thread::signal_set(int32_t signals) {
pierreprovent 0:77ca32e8e04e 166 // osSignalSet is thread safe as long as the underlying
pierreprovent 0:77ca32e8e04e 167 // thread does not get terminated or return from main
pierreprovent 0:77ca32e8e04e 168 return osSignalSet(_tid, signals);
pierreprovent 0:77ca32e8e04e 169 }
pierreprovent 0:77ca32e8e04e 170
pierreprovent 0:77ca32e8e04e 171 int32_t Thread::signal_clr(int32_t signals) {
pierreprovent 0:77ca32e8e04e 172 // osSignalClear is thread safe as long as the underlying
pierreprovent 0:77ca32e8e04e 173 // thread does not get terminated or return from main
pierreprovent 0:77ca32e8e04e 174 return osSignalClear(_tid, signals);
pierreprovent 0:77ca32e8e04e 175 }
pierreprovent 0:77ca32e8e04e 176
pierreprovent 0:77ca32e8e04e 177 Thread::State Thread::get_state() {
pierreprovent 0:77ca32e8e04e 178 #if !defined(__MBED_CMSIS_RTOS_CA9) && !defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 179 #ifdef CMSIS_OS_RTX
pierreprovent 0:77ca32e8e04e 180 State status = Deleted;
pierreprovent 0:77ca32e8e04e 181 _mutex.lock();
pierreprovent 0:77ca32e8e04e 182
pierreprovent 0:77ca32e8e04e 183 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 184 status = (State)_thread_def.tcb.state;
pierreprovent 0:77ca32e8e04e 185 }
pierreprovent 0:77ca32e8e04e 186
pierreprovent 0:77ca32e8e04e 187 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 188 return status;
pierreprovent 0:77ca32e8e04e 189 #endif
pierreprovent 0:77ca32e8e04e 190 #else
pierreprovent 0:77ca32e8e04e 191 State status = Deleted;
pierreprovent 0:77ca32e8e04e 192 _mutex.lock();
pierreprovent 0:77ca32e8e04e 193
pierreprovent 0:77ca32e8e04e 194 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 195 status = (State)osThreadGetState(_tid);
pierreprovent 0:77ca32e8e04e 196 }
pierreprovent 0:77ca32e8e04e 197
pierreprovent 0:77ca32e8e04e 198 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 199 return status;
pierreprovent 0:77ca32e8e04e 200 #endif
pierreprovent 0:77ca32e8e04e 201 }
pierreprovent 0:77ca32e8e04e 202
pierreprovent 0:77ca32e8e04e 203 uint32_t Thread::stack_size() {
pierreprovent 0:77ca32e8e04e 204 #ifndef __MBED_CMSIS_RTOS_CA9
pierreprovent 0:77ca32e8e04e 205 #if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 206 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 207 _mutex.lock();
pierreprovent 0:77ca32e8e04e 208
pierreprovent 0:77ca32e8e04e 209 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 210 size = _thread_def.tcb.priv_stack;
pierreprovent 0:77ca32e8e04e 211 }
pierreprovent 0:77ca32e8e04e 212
pierreprovent 0:77ca32e8e04e 213 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 214 return size;
pierreprovent 0:77ca32e8e04e 215 #else
pierreprovent 0:77ca32e8e04e 216 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 217 _mutex.lock();
pierreprovent 0:77ca32e8e04e 218
pierreprovent 0:77ca32e8e04e 219 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 220 P_TCB tcb = rt_tid2ptcb(_tid);
pierreprovent 0:77ca32e8e04e 221 size = tcb->priv_stack;
pierreprovent 0:77ca32e8e04e 222 }
pierreprovent 0:77ca32e8e04e 223
pierreprovent 0:77ca32e8e04e 224 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 225 return size;
pierreprovent 0:77ca32e8e04e 226 #endif
pierreprovent 0:77ca32e8e04e 227 #else
pierreprovent 0:77ca32e8e04e 228 return 0;
pierreprovent 0:77ca32e8e04e 229 #endif
pierreprovent 0:77ca32e8e04e 230 }
pierreprovent 0:77ca32e8e04e 231
pierreprovent 0:77ca32e8e04e 232 uint32_t Thread::free_stack() {
pierreprovent 0:77ca32e8e04e 233 #ifndef __MBED_CMSIS_RTOS_CA9
pierreprovent 0:77ca32e8e04e 234 #if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 235 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 236 _mutex.lock();
pierreprovent 0:77ca32e8e04e 237
pierreprovent 0:77ca32e8e04e 238 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 239 uint32_t bottom = (uint32_t)_thread_def.tcb.stack;
pierreprovent 0:77ca32e8e04e 240 size = _thread_def.tcb.tsk_stack - bottom;
pierreprovent 0:77ca32e8e04e 241 }
pierreprovent 0:77ca32e8e04e 242
pierreprovent 0:77ca32e8e04e 243 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 244 return size;
pierreprovent 0:77ca32e8e04e 245 #else
pierreprovent 0:77ca32e8e04e 246 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 247 _mutex.lock();
pierreprovent 0:77ca32e8e04e 248
pierreprovent 0:77ca32e8e04e 249 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 250 P_TCB tcb = rt_tid2ptcb(_tid);
pierreprovent 0:77ca32e8e04e 251 uint32_t bottom = (uint32_t)tcb->stack;
pierreprovent 0:77ca32e8e04e 252 size = tcb->tsk_stack - bottom;
pierreprovent 0:77ca32e8e04e 253 }
pierreprovent 0:77ca32e8e04e 254
pierreprovent 0:77ca32e8e04e 255 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 256 return size;
pierreprovent 0:77ca32e8e04e 257 #endif
pierreprovent 0:77ca32e8e04e 258 #else
pierreprovent 0:77ca32e8e04e 259 return 0;
pierreprovent 0:77ca32e8e04e 260 #endif
pierreprovent 0:77ca32e8e04e 261 }
pierreprovent 0:77ca32e8e04e 262
pierreprovent 0:77ca32e8e04e 263 uint32_t Thread::used_stack() {
pierreprovent 0:77ca32e8e04e 264 #ifndef __MBED_CMSIS_RTOS_CA9
pierreprovent 0:77ca32e8e04e 265 #if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 266 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 267 _mutex.lock();
pierreprovent 0:77ca32e8e04e 268
pierreprovent 0:77ca32e8e04e 269 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 270 uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack;
pierreprovent 0:77ca32e8e04e 271 size = top - _thread_def.tcb.tsk_stack;
pierreprovent 0:77ca32e8e04e 272 }
pierreprovent 0:77ca32e8e04e 273
pierreprovent 0:77ca32e8e04e 274 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 275 return size;
pierreprovent 0:77ca32e8e04e 276 #else
pierreprovent 0:77ca32e8e04e 277 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 278 _mutex.lock();
pierreprovent 0:77ca32e8e04e 279
pierreprovent 0:77ca32e8e04e 280 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 281 P_TCB tcb = rt_tid2ptcb(_tid);
pierreprovent 0:77ca32e8e04e 282 uint32_t top = (uint32_t)tcb->stack + tcb->priv_stack;
pierreprovent 0:77ca32e8e04e 283 size = top - tcb->tsk_stack;
pierreprovent 0:77ca32e8e04e 284 }
pierreprovent 0:77ca32e8e04e 285
pierreprovent 0:77ca32e8e04e 286 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 287 return size;
pierreprovent 0:77ca32e8e04e 288 #endif
pierreprovent 0:77ca32e8e04e 289 #else
pierreprovent 0:77ca32e8e04e 290 return 0;
pierreprovent 0:77ca32e8e04e 291 #endif
pierreprovent 0:77ca32e8e04e 292 }
pierreprovent 0:77ca32e8e04e 293
pierreprovent 0:77ca32e8e04e 294 uint32_t Thread::max_stack() {
pierreprovent 0:77ca32e8e04e 295 #ifndef __MBED_CMSIS_RTOS_CA9
pierreprovent 0:77ca32e8e04e 296 #if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
pierreprovent 0:77ca32e8e04e 297 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 298 _mutex.lock();
pierreprovent 0:77ca32e8e04e 299
pierreprovent 0:77ca32e8e04e 300 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 301 uint32_t high_mark = 0;
pierreprovent 0:77ca32e8e04e 302 while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5)
pierreprovent 0:77ca32e8e04e 303 high_mark++;
pierreprovent 0:77ca32e8e04e 304 size = _thread_def.tcb.priv_stack - (high_mark * 4);
pierreprovent 0:77ca32e8e04e 305 }
pierreprovent 0:77ca32e8e04e 306
pierreprovent 0:77ca32e8e04e 307 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 308 return size;
pierreprovent 0:77ca32e8e04e 309 #else
pierreprovent 0:77ca32e8e04e 310 uint32_t size = 0;
pierreprovent 0:77ca32e8e04e 311 _mutex.lock();
pierreprovent 0:77ca32e8e04e 312
pierreprovent 0:77ca32e8e04e 313 if (_tid != NULL) {
pierreprovent 0:77ca32e8e04e 314 P_TCB tcb = rt_tid2ptcb(_tid);
pierreprovent 0:77ca32e8e04e 315 uint32_t high_mark = 0;
pierreprovent 0:77ca32e8e04e 316 while (tcb->stack[high_mark] == 0xE25A2EA5)
pierreprovent 0:77ca32e8e04e 317 high_mark++;
pierreprovent 0:77ca32e8e04e 318 size = tcb->priv_stack - (high_mark * 4);
pierreprovent 0:77ca32e8e04e 319 }
pierreprovent 0:77ca32e8e04e 320
pierreprovent 0:77ca32e8e04e 321 _mutex.unlock();
pierreprovent 0:77ca32e8e04e 322 return size;
pierreprovent 0:77ca32e8e04e 323 #endif
pierreprovent 0:77ca32e8e04e 324 #else
pierreprovent 0:77ca32e8e04e 325 return 0;
pierreprovent 0:77ca32e8e04e 326 #endif
pierreprovent 0:77ca32e8e04e 327 }
pierreprovent 0:77ca32e8e04e 328
pierreprovent 0:77ca32e8e04e 329 osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 330 return osSignalWait(signals, millisec);
pierreprovent 0:77ca32e8e04e 331 }
pierreprovent 0:77ca32e8e04e 332
pierreprovent 0:77ca32e8e04e 333 osStatus Thread::wait(uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 334 return osDelay(millisec);
pierreprovent 0:77ca32e8e04e 335 }
pierreprovent 0:77ca32e8e04e 336
pierreprovent 0:77ca32e8e04e 337 osStatus Thread::yield() {
pierreprovent 0:77ca32e8e04e 338 return osThreadYield();
pierreprovent 0:77ca32e8e04e 339 }
pierreprovent 0:77ca32e8e04e 340
pierreprovent 0:77ca32e8e04e 341 osThreadId Thread::gettid() {
pierreprovent 0:77ca32e8e04e 342 return osThreadGetId();
pierreprovent 0:77ca32e8e04e 343 }
pierreprovent 0:77ca32e8e04e 344
pierreprovent 0:77ca32e8e04e 345 void Thread::attach_idle_hook(void (*fptr)(void)) {
pierreprovent 0:77ca32e8e04e 346 rtos_attach_idle_hook(fptr);
pierreprovent 0:77ca32e8e04e 347 }
pierreprovent 0:77ca32e8e04e 348
pierreprovent 0:77ca32e8e04e 349 void Thread::attach_terminate_hook(void (*fptr)(osThreadId id)) {
pierreprovent 0:77ca32e8e04e 350 terminate_hook = fptr;
pierreprovent 0:77ca32e8e04e 351 }
pierreprovent 0:77ca32e8e04e 352
pierreprovent 0:77ca32e8e04e 353 Thread::~Thread() {
pierreprovent 0:77ca32e8e04e 354 // terminate is thread safe
pierreprovent 0:77ca32e8e04e 355 terminate();
pierreprovent 0:77ca32e8e04e 356 #ifdef __MBED_CMSIS_RTOS_CM
pierreprovent 0:77ca32e8e04e 357 if (_dynamic_stack) {
pierreprovent 0:77ca32e8e04e 358 delete[] (_thread_def.stack_pointer);
pierreprovent 0:77ca32e8e04e 359 _thread_def.stack_pointer = (uint32_t*)NULL;
pierreprovent 0:77ca32e8e04e 360 }
pierreprovent 0:77ca32e8e04e 361 #endif
pierreprovent 0:77ca32e8e04e 362 }
pierreprovent 0:77ca32e8e04e 363
pierreprovent 0:77ca32e8e04e 364 void Thread::_thunk(const void * thread_ptr)
pierreprovent 0:77ca32e8e04e 365 {
pierreprovent 0:77ca32e8e04e 366 Thread *t = (Thread*)thread_ptr;
pierreprovent 0:77ca32e8e04e 367 t->_task();
pierreprovent 0:77ca32e8e04e 368 t->_mutex.lock();
pierreprovent 0:77ca32e8e04e 369 t->_tid = (osThreadId)NULL;
pierreprovent 0:77ca32e8e04e 370 t->_join_sem.release();
pierreprovent 0:77ca32e8e04e 371 // rtos will release the mutex automatically
pierreprovent 0:77ca32e8e04e 372 }
pierreprovent 0:77ca32e8e04e 373
pierreprovent 0:77ca32e8e04e 374 }