Timothy Beight / Mbed 2 deprecated 6_songs-from-the-cloud

This is a fork due to permission issues

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of 6_songs-from-the-cloud by MakingMusicWorkshop

mbed-client/mbed-rtos/rtos/Thread.cpp@1:0ddbe2d3319c, 2016-05-19 (annotated)

Committer:
timbeight
Date:
Thu May 19 16:02:10 2016 +0000
Revision:
1:0ddbe2d3319c
Parent:
0:f7c60d3e7b8a 
This is my first commit while in the class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:f7c60d3e7b8a 1 /* mbed Microcontroller Library
maclobdell 0:f7c60d3e7b8a 2 * Copyright (c) 2006-2012 ARM Limited
maclobdell 0:f7c60d3e7b8a 3 *
maclobdell 0:f7c60d3e7b8a 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
maclobdell 0:f7c60d3e7b8a 5 * of this software and associated documentation files (the "Software"), to deal
maclobdell 0:f7c60d3e7b8a 6 * in the Software without restriction, including without limitation the rights
maclobdell 0:f7c60d3e7b8a 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
maclobdell 0:f7c60d3e7b8a 8 * copies of the Software, and to permit persons to whom the Software is
maclobdell 0:f7c60d3e7b8a 9 * furnished to do so, subject to the following conditions:
maclobdell 0:f7c60d3e7b8a 10 *
maclobdell 0:f7c60d3e7b8a 11 * The above copyright notice and this permission notice shall be included in
maclobdell 0:f7c60d3e7b8a 12 * all copies or substantial portions of the Software.
maclobdell 0:f7c60d3e7b8a 13 *
maclobdell 0:f7c60d3e7b8a 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
maclobdell 0:f7c60d3e7b8a 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
maclobdell 0:f7c60d3e7b8a 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
maclobdell 0:f7c60d3e7b8a 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
maclobdell 0:f7c60d3e7b8a 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
maclobdell 0:f7c60d3e7b8a 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
maclobdell 0:f7c60d3e7b8a 20 * SOFTWARE.
maclobdell 0:f7c60d3e7b8a 21 */
maclobdell 0:f7c60d3e7b8a 22 #include "Thread.h"
maclobdell 0:f7c60d3e7b8a 23
maclobdell 0:f7c60d3e7b8a 24 #include "mbed_error.h"
maclobdell 0:f7c60d3e7b8a 25
maclobdell 0:f7c60d3e7b8a 26 namespace rtos {
maclobdell 0:f7c60d3e7b8a 27
maclobdell 0:f7c60d3e7b8a 28 Thread::Thread(void (*task)(void const *argument), void *argument,
maclobdell 0:f7c60d3e7b8a 29 osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
maclobdell 0:f7c60d3e7b8a 30 #ifdef CMSIS_OS_RTX
maclobdell 0:f7c60d3e7b8a 31 _thread_def.pthread = task;
maclobdell 0:f7c60d3e7b8a 32 _thread_def.tpriority = priority;
maclobdell 0:f7c60d3e7b8a 33 _thread_def.stacksize = stack_size;
maclobdell 0:f7c60d3e7b8a 34 if (stack_pointer != NULL) {
maclobdell 0:f7c60d3e7b8a 35 _thread_def.stack_pointer = (uint32_t*)stack_pointer;
maclobdell 0:f7c60d3e7b8a 36 _dynamic_stack = false;
maclobdell 0:f7c60d3e7b8a 37 } else {
maclobdell 0:f7c60d3e7b8a 38 _thread_def.stack_pointer = new uint32_t[stack_size/sizeof(uint32_t)];
maclobdell 0:f7c60d3e7b8a 39 if (_thread_def.stack_pointer == NULL)
maclobdell 0:f7c60d3e7b8a 40 error("Error allocating the stack memory\n");
maclobdell 0:f7c60d3e7b8a 41 _dynamic_stack = true;
maclobdell 0:f7c60d3e7b8a 42 }
maclobdell 0:f7c60d3e7b8a 43
maclobdell 0:f7c60d3e7b8a 44 //Fill the stack with a magic word for maximum usage checking
maclobdell 0:f7c60d3e7b8a 45 for (uint32_t i = 0; i < (stack_size / sizeof(uint32_t)); i++) {
maclobdell 0:f7c60d3e7b8a 46 _thread_def.stack_pointer[i] = 0xE25A2EA5;
maclobdell 0:f7c60d3e7b8a 47 }
maclobdell 0:f7c60d3e7b8a 48 #endif
maclobdell 0:f7c60d3e7b8a 49 _tid = osThreadCreate(&_thread_def, argument);
maclobdell 0:f7c60d3e7b8a 50 }
maclobdell 0:f7c60d3e7b8a 51
maclobdell 0:f7c60d3e7b8a 52 osStatus Thread::terminate() {
maclobdell 0:f7c60d3e7b8a 53 return osThreadTerminate(_tid);
maclobdell 0:f7c60d3e7b8a 54 }
maclobdell 0:f7c60d3e7b8a 55
maclobdell 0:f7c60d3e7b8a 56 osStatus Thread::set_priority(osPriority priority) {
maclobdell 0:f7c60d3e7b8a 57 return osThreadSetPriority(_tid, priority);
maclobdell 0:f7c60d3e7b8a 58 }
maclobdell 0:f7c60d3e7b8a 59
maclobdell 0:f7c60d3e7b8a 60 osPriority Thread::get_priority() {
maclobdell 0:f7c60d3e7b8a 61 return osThreadGetPriority(_tid);
maclobdell 0:f7c60d3e7b8a 62 }
maclobdell 0:f7c60d3e7b8a 63
maclobdell 0:f7c60d3e7b8a 64 int32_t Thread::signal_set(int32_t signals) {
maclobdell 0:f7c60d3e7b8a 65 return osSignalSet(_tid, signals);
maclobdell 0:f7c60d3e7b8a 66 }
maclobdell 0:f7c60d3e7b8a 67
maclobdell 0:f7c60d3e7b8a 68 int32_t Thread::signal_clr(int32_t signals) {
maclobdell 0:f7c60d3e7b8a 69 return osSignalClear(_tid, signals);
maclobdell 0:f7c60d3e7b8a 70 }
maclobdell 0:f7c60d3e7b8a 71
maclobdell 0:f7c60d3e7b8a 72 Thread::State Thread::get_state() {
maclobdell 0:f7c60d3e7b8a 73 #ifndef __MBED_CMSIS_RTOS_CA9
maclobdell 0:f7c60d3e7b8a 74 return ((State)_thread_def.tcb.state);
maclobdell 0:f7c60d3e7b8a 75 #else
maclobdell 0:f7c60d3e7b8a 76 uint8_t status;
maclobdell 0:f7c60d3e7b8a 77 status = osThreadGetState(_tid);
maclobdell 0:f7c60d3e7b8a 78 return ((State)status);
maclobdell 0:f7c60d3e7b8a 79 #endif
maclobdell 0:f7c60d3e7b8a 80 }
maclobdell 0:f7c60d3e7b8a 81
maclobdell 0:f7c60d3e7b8a 82 uint32_t Thread::stack_size() {
maclobdell 0:f7c60d3e7b8a 83 #ifndef __MBED_CMSIS_RTOS_CA9
maclobdell 0:f7c60d3e7b8a 84 return _thread_def.tcb.priv_stack;
maclobdell 0:f7c60d3e7b8a 85 #else
maclobdell 0:f7c60d3e7b8a 86 return 0;
maclobdell 0:f7c60d3e7b8a 87 #endif
maclobdell 0:f7c60d3e7b8a 88 }
maclobdell 0:f7c60d3e7b8a 89
maclobdell 0:f7c60d3e7b8a 90 uint32_t Thread::free_stack() {
maclobdell 0:f7c60d3e7b8a 91 #ifndef __MBED_CMSIS_RTOS_CA9
maclobdell 0:f7c60d3e7b8a 92 uint32_t bottom = (uint32_t)_thread_def.tcb.stack;
maclobdell 0:f7c60d3e7b8a 93 return _thread_def.tcb.tsk_stack - bottom;
maclobdell 0:f7c60d3e7b8a 94 #else
maclobdell 0:f7c60d3e7b8a 95 return 0;
maclobdell 0:f7c60d3e7b8a 96 #endif
maclobdell 0:f7c60d3e7b8a 97 }
maclobdell 0:f7c60d3e7b8a 98
maclobdell 0:f7c60d3e7b8a 99 uint32_t Thread::used_stack() {
maclobdell 0:f7c60d3e7b8a 100 #ifndef __MBED_CMSIS_RTOS_CA9
maclobdell 0:f7c60d3e7b8a 101 uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack;
maclobdell 0:f7c60d3e7b8a 102 return top - _thread_def.tcb.tsk_stack;
maclobdell 0:f7c60d3e7b8a 103 #else
maclobdell 0:f7c60d3e7b8a 104 return 0;
maclobdell 0:f7c60d3e7b8a 105 #endif
maclobdell 0:f7c60d3e7b8a 106 }
maclobdell 0:f7c60d3e7b8a 107
maclobdell 0:f7c60d3e7b8a 108 uint32_t Thread::max_stack() {
maclobdell 0:f7c60d3e7b8a 109 #ifndef __MBED_CMSIS_RTOS_CA9
maclobdell 0:f7c60d3e7b8a 110 uint32_t high_mark = 0;
maclobdell 0:f7c60d3e7b8a 111 while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5)
maclobdell 0:f7c60d3e7b8a 112 high_mark++;
maclobdell 0:f7c60d3e7b8a 113 return _thread_def.tcb.priv_stack - (high_mark * 4);
maclobdell 0:f7c60d3e7b8a 114 #else
maclobdell 0:f7c60d3e7b8a 115 return 0;
maclobdell 0:f7c60d3e7b8a 116 #endif
maclobdell 0:f7c60d3e7b8a 117 }
maclobdell 0:f7c60d3e7b8a 118
maclobdell 0:f7c60d3e7b8a 119 osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
maclobdell 0:f7c60d3e7b8a 120 return osSignalWait(signals, millisec);
maclobdell 0:f7c60d3e7b8a 121 }
maclobdell 0:f7c60d3e7b8a 122
maclobdell 0:f7c60d3e7b8a 123 osStatus Thread::wait(uint32_t millisec) {
maclobdell 0:f7c60d3e7b8a 124 return osDelay(millisec);
maclobdell 0:f7c60d3e7b8a 125 }
maclobdell 0:f7c60d3e7b8a 126
maclobdell 0:f7c60d3e7b8a 127 osStatus Thread::yield() {
maclobdell 0:f7c60d3e7b8a 128 return osThreadYield();
maclobdell 0:f7c60d3e7b8a 129 }
maclobdell 0:f7c60d3e7b8a 130
maclobdell 0:f7c60d3e7b8a 131 osThreadId Thread::gettid() {
maclobdell 0:f7c60d3e7b8a 132 return osThreadGetId();
maclobdell 0:f7c60d3e7b8a 133 }
maclobdell 0:f7c60d3e7b8a 134
maclobdell 0:f7c60d3e7b8a 135 Thread::~Thread() {
maclobdell 0:f7c60d3e7b8a 136 terminate();
maclobdell 0:f7c60d3e7b8a 137 if (_dynamic_stack) {
maclobdell 0:f7c60d3e7b8a 138 delete[] (_thread_def.stack_pointer);
maclobdell 0:f7c60d3e7b8a 139 }
maclobdell 0:f7c60d3e7b8a 140 }
maclobdell 0:f7c60d3e7b8a 141
maclobdell 0:f7c60d3e7b8a 142 }