Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbed-rtos/rtos/Thread.cpp@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /* mbed Microcontroller Library
mbedAustin 11:cada08fc8a70 2 * Copyright (c) 2006-2012 ARM Limited
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbedAustin 11:cada08fc8a70 5 * of this software and associated documentation files (the "Software"), to deal
mbedAustin 11:cada08fc8a70 6 * in the Software without restriction, including without limitation the rights
mbedAustin 11:cada08fc8a70 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbedAustin 11:cada08fc8a70 8 * copies of the Software, and to permit persons to whom the Software is
mbedAustin 11:cada08fc8a70 9 * furnished to do so, subject to the following conditions:
mbedAustin 11:cada08fc8a70 10 *
mbedAustin 11:cada08fc8a70 11 * The above copyright notice and this permission notice shall be included in
mbedAustin 11:cada08fc8a70 12 * all copies or substantial portions of the Software.
mbedAustin 11:cada08fc8a70 13 *
mbedAustin 11:cada08fc8a70 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbedAustin 11:cada08fc8a70 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbedAustin 11:cada08fc8a70 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbedAustin 11:cada08fc8a70 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbedAustin 11:cada08fc8a70 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbedAustin 11:cada08fc8a70 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbedAustin 11:cada08fc8a70 20 * SOFTWARE.
mbedAustin 11:cada08fc8a70 21 */
mbedAustin 11:cada08fc8a70 22 #include "Thread.h"
mbedAustin 11:cada08fc8a70 23
mbedAustin 11:cada08fc8a70 24 #include "mbed_error.h"
mbedAustin 11:cada08fc8a70 25
mbedAustin 11:cada08fc8a70 26 namespace rtos {
mbedAustin 11:cada08fc8a70 27
mbedAustin 11:cada08fc8a70 28 Thread::Thread(void (*task)(void const *argument), void *argument,
mbedAustin 11:cada08fc8a70 29 osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
mbedAustin 11:cada08fc8a70 30 #ifdef CMSIS_OS_RTX
mbedAustin 11:cada08fc8a70 31 _thread_def.pthread = task;
mbedAustin 11:cada08fc8a70 32 _thread_def.tpriority = priority;
mbedAustin 11:cada08fc8a70 33 _thread_def.stacksize = stack_size;
mbedAustin 11:cada08fc8a70 34 if (stack_pointer != NULL) {
mbedAustin 11:cada08fc8a70 35 _thread_def.stack_pointer = (uint32_t*)stack_pointer;
mbedAustin 11:cada08fc8a70 36 _dynamic_stack = false;
mbedAustin 11:cada08fc8a70 37 } else {
mbedAustin 11:cada08fc8a70 38 _thread_def.stack_pointer = new uint32_t[stack_size/sizeof(uint32_t)];
mbedAustin 11:cada08fc8a70 39 if (_thread_def.stack_pointer == NULL)
mbedAustin 11:cada08fc8a70 40 error("Error allocating the stack memory\n");
mbedAustin 11:cada08fc8a70 41 _dynamic_stack = true;
mbedAustin 11:cada08fc8a70 42 }
mbedAustin 11:cada08fc8a70 43
mbedAustin 11:cada08fc8a70 44 //Fill the stack with a magic word for maximum usage checking
mbedAustin 11:cada08fc8a70 45 for (uint32_t i = 0; i < (stack_size / sizeof(uint32_t)); i++) {
mbedAustin 11:cada08fc8a70 46 _thread_def.stack_pointer[i] = 0xE25A2EA5;
mbedAustin 11:cada08fc8a70 47 }
mbedAustin 11:cada08fc8a70 48 #endif
mbedAustin 11:cada08fc8a70 49 _tid = osThreadCreate(&_thread_def, argument);
mbedAustin 11:cada08fc8a70 50 }
mbedAustin 11:cada08fc8a70 51
mbedAustin 11:cada08fc8a70 52 osStatus Thread::terminate() {
mbedAustin 11:cada08fc8a70 53 return osThreadTerminate(_tid);
mbedAustin 11:cada08fc8a70 54 }
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56 osStatus Thread::set_priority(osPriority priority) {
mbedAustin 11:cada08fc8a70 57 return osThreadSetPriority(_tid, priority);
mbedAustin 11:cada08fc8a70 58 }
mbedAustin 11:cada08fc8a70 59
mbedAustin 11:cada08fc8a70 60 osPriority Thread::get_priority() {
mbedAustin 11:cada08fc8a70 61 return osThreadGetPriority(_tid);
mbedAustin 11:cada08fc8a70 62 }
mbedAustin 11:cada08fc8a70 63
mbedAustin 11:cada08fc8a70 64 int32_t Thread::signal_set(int32_t signals) {
mbedAustin 11:cada08fc8a70 65 return osSignalSet(_tid, signals);
mbedAustin 11:cada08fc8a70 66 }
mbedAustin 11:cada08fc8a70 67
mbedAustin 11:cada08fc8a70 68 int32_t Thread::signal_clr(int32_t signals) {
mbedAustin 11:cada08fc8a70 69 return osSignalClear(_tid, signals);
mbedAustin 11:cada08fc8a70 70 }
mbedAustin 11:cada08fc8a70 71
mbedAustin 11:cada08fc8a70 72 Thread::State Thread::get_state() {
mbedAustin 11:cada08fc8a70 73 #ifndef __MBED_CMSIS_RTOS_CA9
mbedAustin 11:cada08fc8a70 74 return ((State)_thread_def.tcb.state);
mbedAustin 11:cada08fc8a70 75 #else
mbedAustin 11:cada08fc8a70 76 uint8_t status;
mbedAustin 11:cada08fc8a70 77 status = osThreadGetState(_tid);
mbedAustin 11:cada08fc8a70 78 return ((State)status);
mbedAustin 11:cada08fc8a70 79 #endif
mbedAustin 11:cada08fc8a70 80 }
mbedAustin 11:cada08fc8a70 81
mbedAustin 11:cada08fc8a70 82 uint32_t Thread::stack_size() {
mbedAustin 11:cada08fc8a70 83 #ifndef __MBED_CMSIS_RTOS_CA9
mbedAustin 11:cada08fc8a70 84 return _thread_def.tcb.priv_stack;
mbedAustin 11:cada08fc8a70 85 #else
mbedAustin 11:cada08fc8a70 86 return 0;
mbedAustin 11:cada08fc8a70 87 #endif
mbedAustin 11:cada08fc8a70 88 }
mbedAustin 11:cada08fc8a70 89
mbedAustin 11:cada08fc8a70 90 uint32_t Thread::free_stack() {
mbedAustin 11:cada08fc8a70 91 #ifndef __MBED_CMSIS_RTOS_CA9
mbedAustin 11:cada08fc8a70 92 uint32_t bottom = (uint32_t)_thread_def.tcb.stack;
mbedAustin 11:cada08fc8a70 93 return _thread_def.tcb.tsk_stack - bottom;
mbedAustin 11:cada08fc8a70 94 #else
mbedAustin 11:cada08fc8a70 95 return 0;
mbedAustin 11:cada08fc8a70 96 #endif
mbedAustin 11:cada08fc8a70 97 }
mbedAustin 11:cada08fc8a70 98
mbedAustin 11:cada08fc8a70 99 uint32_t Thread::used_stack() {
mbedAustin 11:cada08fc8a70 100 #ifndef __MBED_CMSIS_RTOS_CA9
mbedAustin 11:cada08fc8a70 101 uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack;
mbedAustin 11:cada08fc8a70 102 return top - _thread_def.tcb.tsk_stack;
mbedAustin 11:cada08fc8a70 103 #else
mbedAustin 11:cada08fc8a70 104 return 0;
mbedAustin 11:cada08fc8a70 105 #endif
mbedAustin 11:cada08fc8a70 106 }
mbedAustin 11:cada08fc8a70 107
mbedAustin 11:cada08fc8a70 108 uint32_t Thread::max_stack() {
mbedAustin 11:cada08fc8a70 109 #ifndef __MBED_CMSIS_RTOS_CA9
mbedAustin 11:cada08fc8a70 110 uint32_t high_mark = 0;
mbedAustin 11:cada08fc8a70 111 while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5)
mbedAustin 11:cada08fc8a70 112 high_mark++;
mbedAustin 11:cada08fc8a70 113 return _thread_def.tcb.priv_stack - (high_mark * 4);
mbedAustin 11:cada08fc8a70 114 #else
mbedAustin 11:cada08fc8a70 115 return 0;
mbedAustin 11:cada08fc8a70 116 #endif
mbedAustin 11:cada08fc8a70 117 }
mbedAustin 11:cada08fc8a70 118
mbedAustin 11:cada08fc8a70 119 osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
mbedAustin 11:cada08fc8a70 120 return osSignalWait(signals, millisec);
mbedAustin 11:cada08fc8a70 121 }
mbedAustin 11:cada08fc8a70 122
mbedAustin 11:cada08fc8a70 123 osStatus Thread::wait(uint32_t millisec) {
mbedAustin 11:cada08fc8a70 124 return osDelay(millisec);
mbedAustin 11:cada08fc8a70 125 }
mbedAustin 11:cada08fc8a70 126
mbedAustin 11:cada08fc8a70 127 osStatus Thread::yield() {
mbedAustin 11:cada08fc8a70 128 return osThreadYield();
mbedAustin 11:cada08fc8a70 129 }
mbedAustin 11:cada08fc8a70 130
mbedAustin 11:cada08fc8a70 131 osThreadId Thread::gettid() {
mbedAustin 11:cada08fc8a70 132 return osThreadGetId();
mbedAustin 11:cada08fc8a70 133 }
mbedAustin 11:cada08fc8a70 134
mbedAustin 11:cada08fc8a70 135 Thread::~Thread() {
mbedAustin 11:cada08fc8a70 136 terminate();
mbedAustin 11:cada08fc8a70 137 if (_dynamic_stack) {
mbedAustin 11:cada08fc8a70 138 delete[] (_thread_def.stack_pointer);
mbedAustin 11:cada08fc8a70 139 }
mbedAustin 11:cada08fc8a70 140 }
mbedAustin 11:cada08fc8a70 141
mbedAustin 11:cada08fc8a70 142 }