Project5_Software / mbed-rtos

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Fork of mbed-rtos by mbed official

rtos/Thread.cpp@40:bd07334df5b1, 2014-08-15 (annotated)

Committer:
mbed_official
Date:
Fri Aug 15 16:30:22 2014 +0100
Revision:
40:bd07334df5b1
Parent:
36:512640f00564
Child:
48:e9a2c7cb57a4
Synchronized with git revision 601712595f49bbd2a2771c52cf3e84c9c7a591af



Full URL: https://github.com/mbedmicro/mbed/commit/601712595f49bbd2a2771c52cf3e84c9c7a591af/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 8:88a1a9c26ae3 1 /* mbed Microcontroller Library
emilmont 8:88a1a9c26ae3 2 * Copyright (c) 2006-2012 ARM Limited
emilmont 8:88a1a9c26ae3 3 *
emilmont 8:88a1a9c26ae3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
emilmont 8:88a1a9c26ae3 5 * of this software and associated documentation files (the "Software"), to deal
emilmont 8:88a1a9c26ae3 6 * in the Software without restriction, including without limitation the rights
emilmont 8:88a1a9c26ae3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
emilmont 8:88a1a9c26ae3 8 * copies of the Software, and to permit persons to whom the Software is
emilmont 8:88a1a9c26ae3 9 * furnished to do so, subject to the following conditions:
emilmont 8:88a1a9c26ae3 10 *
emilmont 8:88a1a9c26ae3 11 * The above copyright notice and this permission notice shall be included in
emilmont 8:88a1a9c26ae3 12 * all copies or substantial portions of the Software.
emilmont 8:88a1a9c26ae3 13 *
emilmont 8:88a1a9c26ae3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
emilmont 8:88a1a9c26ae3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
emilmont 8:88a1a9c26ae3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
emilmont 8:88a1a9c26ae3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
emilmont 8:88a1a9c26ae3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emilmont 8:88a1a9c26ae3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
emilmont 8:88a1a9c26ae3 20 * SOFTWARE.
emilmont 8:88a1a9c26ae3 21 */
emilmont 8:88a1a9c26ae3 22 #include "Thread.h"
emilmont 8:88a1a9c26ae3 23
mbed_official 40:bd07334df5b1 24 #include "mbed_error.h"
emilmont 8:88a1a9c26ae3 25
emilmont 8:88a1a9c26ae3 26 namespace rtos {
emilmont 8:88a1a9c26ae3 27
emilmont 8:88a1a9c26ae3 28 Thread::Thread(void (*task)(void const *argument), void *argument,
emilmont 8:88a1a9c26ae3 29 osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
emilmont 8:88a1a9c26ae3 30 #ifdef CMSIS_OS_RTX
emilmont 8:88a1a9c26ae3 31 _thread_def.pthread = task;
emilmont 8:88a1a9c26ae3 32 _thread_def.tpriority = priority;
emilmont 8:88a1a9c26ae3 33 _thread_def.stacksize = stack_size;
emilmont 8:88a1a9c26ae3 34 if (stack_pointer != NULL) {
emilmont 8:88a1a9c26ae3 35 _thread_def.stack_pointer = stack_pointer;
emilmont 8:88a1a9c26ae3 36 _dynamic_stack = false;
emilmont 8:88a1a9c26ae3 37 } else {
emilmont 8:88a1a9c26ae3 38 _thread_def.stack_pointer = new unsigned char[stack_size];
emilmont 8:88a1a9c26ae3 39 if (_thread_def.stack_pointer == NULL)
mbed_official 25:420a92812cd1 40 error("Error allocating the stack memory\n");
emilmont 8:88a1a9c26ae3 41 _dynamic_stack = true;
emilmont 8:88a1a9c26ae3 42 }
emilmont 8:88a1a9c26ae3 43 #endif
emilmont 8:88a1a9c26ae3 44 _tid = osThreadCreate(&_thread_def, argument);
emilmont 8:88a1a9c26ae3 45 }
emilmont 8:88a1a9c26ae3 46
emilmont 8:88a1a9c26ae3 47 osStatus Thread::terminate() {
emilmont 8:88a1a9c26ae3 48 return osThreadTerminate(_tid);
emilmont 8:88a1a9c26ae3 49 }
emilmont 8:88a1a9c26ae3 50
emilmont 8:88a1a9c26ae3 51 osStatus Thread::set_priority(osPriority priority) {
emilmont 8:88a1a9c26ae3 52 return osThreadSetPriority(_tid, priority);
emilmont 8:88a1a9c26ae3 53 }
emilmont 8:88a1a9c26ae3 54
emilmont 8:88a1a9c26ae3 55 osPriority Thread::get_priority() {
emilmont 8:88a1a9c26ae3 56 return osThreadGetPriority(_tid);
emilmont 8:88a1a9c26ae3 57 }
emilmont 8:88a1a9c26ae3 58
emilmont 8:88a1a9c26ae3 59 int32_t Thread::signal_set(int32_t signals) {
emilmont 8:88a1a9c26ae3 60 return osSignalSet(_tid, signals);
emilmont 8:88a1a9c26ae3 61 }
emilmont 8:88a1a9c26ae3 62
emilmont 8:88a1a9c26ae3 63 Thread::State Thread::get_state() {
emilmont 8:88a1a9c26ae3 64 return ((State)_thread_def.tcb.state);
emilmont 8:88a1a9c26ae3 65 }
emilmont 8:88a1a9c26ae3 66
emilmont 8:88a1a9c26ae3 67 osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
emilmont 8:88a1a9c26ae3 68 return osSignalWait(signals, millisec);
emilmont 8:88a1a9c26ae3 69 }
emilmont 8:88a1a9c26ae3 70
emilmont 8:88a1a9c26ae3 71 osStatus Thread::wait(uint32_t millisec) {
emilmont 8:88a1a9c26ae3 72 return osDelay(millisec);
emilmont 8:88a1a9c26ae3 73 }
emilmont 8:88a1a9c26ae3 74
emilmont 8:88a1a9c26ae3 75 osStatus Thread::yield() {
emilmont 8:88a1a9c26ae3 76 return osThreadYield();
emilmont 8:88a1a9c26ae3 77 }
emilmont 8:88a1a9c26ae3 78
emilmont 8:88a1a9c26ae3 79 osThreadId Thread::gettid() {
emilmont 8:88a1a9c26ae3 80 return osThreadGetId();
emilmont 8:88a1a9c26ae3 81 }
emilmont 8:88a1a9c26ae3 82
emilmont 8:88a1a9c26ae3 83 Thread::~Thread() {
emilmont 8:88a1a9c26ae3 84 terminate();
emilmont 8:88a1a9c26ae3 85 if (_dynamic_stack) {
emilmont 8:88a1a9c26ae3 86 delete[] (_thread_def.stack_pointer);
emilmont 8:88a1a9c26ae3 87 }
emilmont 8:88a1a9c26ae3 88 }
emilmont 8:88a1a9c26ae3 89
emilmont 8:88a1a9c26ae3 90 }