Clone of mbed rtos 2 for easy accessibility.
Fork of mbed-rtos by
rtos/Thread.cpp@84:143955ffb790, 2015-06-17 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Jun 17 10:00:10 2015 +0100
- Revision:
- 84:143955ffb790
- Parent:
- 76:85a52b7ef44b
- Child:
- 85:ef0a22cdf839
Synchronized with git revision 7c43e7db007aa7bcb56edfb3324266b1e69747e0
Full URL: https://github.com/mbedmicro/mbed/commit/7c43e7db007aa7bcb56edfb3324266b1e69747e0/
RTOS - Added stack checking methods to Thread
Who changed what in which revision?
User | Revision | Line number | New 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; |
mbed_official | 48:e9a2c7cb57a4 | 34 | #ifndef __MBED_CMSIS_RTOS_CA9 |
emilmont | 8:88a1a9c26ae3 | 35 | if (stack_pointer != NULL) { |
mbed_official | 59:28712e303960 | 36 | _thread_def.stack_pointer = (uint32_t*)stack_pointer; |
emilmont | 8:88a1a9c26ae3 | 37 | _dynamic_stack = false; |
emilmont | 8:88a1a9c26ae3 | 38 | } else { |
mbed_official | 59:28712e303960 | 39 | _thread_def.stack_pointer = new uint32_t[stack_size/sizeof(uint32_t)]; |
emilmont | 8:88a1a9c26ae3 | 40 | if (_thread_def.stack_pointer == NULL) |
mbed_official | 25:420a92812cd1 | 41 | error("Error allocating the stack memory\n"); |
emilmont | 8:88a1a9c26ae3 | 42 | _dynamic_stack = true; |
emilmont | 8:88a1a9c26ae3 | 43 | } |
mbed_official | 84:143955ffb790 | 44 | |
mbed_official | 84:143955ffb790 | 45 | //Fill the stack with a magic word for maximum usage checking |
mbed_official | 84:143955ffb790 | 46 | for (int i = 0; i < (stack_size / sizeof(uint32_t)); i++) { |
mbed_official | 84:143955ffb790 | 47 | _thread_def.stack_pointer[i] = 0xE25A2EA5; |
mbed_official | 84:143955ffb790 | 48 | } |
emilmont | 8:88a1a9c26ae3 | 49 | #endif |
mbed_official | 48:e9a2c7cb57a4 | 50 | #endif |
emilmont | 8:88a1a9c26ae3 | 51 | _tid = osThreadCreate(&_thread_def, argument); |
emilmont | 8:88a1a9c26ae3 | 52 | } |
emilmont | 8:88a1a9c26ae3 | 53 | |
emilmont | 8:88a1a9c26ae3 | 54 | osStatus Thread::terminate() { |
emilmont | 8:88a1a9c26ae3 | 55 | return osThreadTerminate(_tid); |
emilmont | 8:88a1a9c26ae3 | 56 | } |
emilmont | 8:88a1a9c26ae3 | 57 | |
emilmont | 8:88a1a9c26ae3 | 58 | osStatus Thread::set_priority(osPriority priority) { |
emilmont | 8:88a1a9c26ae3 | 59 | return osThreadSetPriority(_tid, priority); |
emilmont | 8:88a1a9c26ae3 | 60 | } |
emilmont | 8:88a1a9c26ae3 | 61 | |
emilmont | 8:88a1a9c26ae3 | 62 | osPriority Thread::get_priority() { |
emilmont | 8:88a1a9c26ae3 | 63 | return osThreadGetPriority(_tid); |
emilmont | 8:88a1a9c26ae3 | 64 | } |
emilmont | 8:88a1a9c26ae3 | 65 | |
emilmont | 8:88a1a9c26ae3 | 66 | int32_t Thread::signal_set(int32_t signals) { |
emilmont | 8:88a1a9c26ae3 | 67 | return osSignalSet(_tid, signals); |
emilmont | 8:88a1a9c26ae3 | 68 | } |
emilmont | 8:88a1a9c26ae3 | 69 | |
mbed_official | 76:85a52b7ef44b | 70 | int32_t Thread::signal_clr(int32_t signals) { |
mbed_official | 76:85a52b7ef44b | 71 | return osSignalClear(_tid, signals); |
mbed_official | 76:85a52b7ef44b | 72 | } |
mbed_official | 76:85a52b7ef44b | 73 | |
emilmont | 8:88a1a9c26ae3 | 74 | Thread::State Thread::get_state() { |
mbed_official | 48:e9a2c7cb57a4 | 75 | #ifndef __MBED_CMSIS_RTOS_CA9 |
emilmont | 8:88a1a9c26ae3 | 76 | return ((State)_thread_def.tcb.state); |
mbed_official | 48:e9a2c7cb57a4 | 77 | #else |
mbed_official | 48:e9a2c7cb57a4 | 78 | uint8_t status; |
mbed_official | 48:e9a2c7cb57a4 | 79 | status = osThreadGetState(_tid); |
mbed_official | 48:e9a2c7cb57a4 | 80 | return ((State)status); |
mbed_official | 48:e9a2c7cb57a4 | 81 | #endif |
emilmont | 8:88a1a9c26ae3 | 82 | } |
emilmont | 8:88a1a9c26ae3 | 83 | |
mbed_official | 84:143955ffb790 | 84 | uint32_t Thread::stack_size() { |
mbed_official | 84:143955ffb790 | 85 | #ifndef __MBED_CMSIS_RTOS_CA9 |
mbed_official | 84:143955ffb790 | 86 | return _thread_def.tcb.priv_stack; |
mbed_official | 84:143955ffb790 | 87 | #else |
mbed_official | 84:143955ffb790 | 88 | return 0; |
mbed_official | 84:143955ffb790 | 89 | #endif |
mbed_official | 84:143955ffb790 | 90 | } |
mbed_official | 84:143955ffb790 | 91 | |
mbed_official | 84:143955ffb790 | 92 | uint32_t Thread::free_stack() { |
mbed_official | 84:143955ffb790 | 93 | #ifndef __MBED_CMSIS_RTOS_CA9 |
mbed_official | 84:143955ffb790 | 94 | uint32_t bottom = (uint32_t)_thread_def.tcb.stack; |
mbed_official | 84:143955ffb790 | 95 | return _thread_def.tcb.tsk_stack - bottom; |
mbed_official | 84:143955ffb790 | 96 | #else |
mbed_official | 84:143955ffb790 | 97 | return 0; |
mbed_official | 84:143955ffb790 | 98 | #endif |
mbed_official | 84:143955ffb790 | 99 | } |
mbed_official | 84:143955ffb790 | 100 | |
mbed_official | 84:143955ffb790 | 101 | uint32_t Thread::used_stack() { |
mbed_official | 84:143955ffb790 | 102 | #ifndef __MBED_CMSIS_RTOS_CA9 |
mbed_official | 84:143955ffb790 | 103 | uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack; |
mbed_official | 84:143955ffb790 | 104 | return top - _thread_def.tcb.tsk_stack; |
mbed_official | 84:143955ffb790 | 105 | #else |
mbed_official | 84:143955ffb790 | 106 | return 0; |
mbed_official | 84:143955ffb790 | 107 | #endif |
mbed_official | 84:143955ffb790 | 108 | } |
mbed_official | 84:143955ffb790 | 109 | |
mbed_official | 84:143955ffb790 | 110 | uint32_t Thread::max_stack() { |
mbed_official | 84:143955ffb790 | 111 | #ifndef __MBED_CMSIS_RTOS_CA9 |
mbed_official | 84:143955ffb790 | 112 | uint32_t high_mark = 0; |
mbed_official | 84:143955ffb790 | 113 | while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5) |
mbed_official | 84:143955ffb790 | 114 | high_mark++; |
mbed_official | 84:143955ffb790 | 115 | return _thread_def.tcb.priv_stack - (high_mark * 4); |
mbed_official | 84:143955ffb790 | 116 | #else |
mbed_official | 84:143955ffb790 | 117 | return 0; |
mbed_official | 84:143955ffb790 | 118 | #endif |
mbed_official | 84:143955ffb790 | 119 | } |
mbed_official | 84:143955ffb790 | 120 | |
emilmont | 8:88a1a9c26ae3 | 121 | osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) { |
emilmont | 8:88a1a9c26ae3 | 122 | return osSignalWait(signals, millisec); |
emilmont | 8:88a1a9c26ae3 | 123 | } |
emilmont | 8:88a1a9c26ae3 | 124 | |
emilmont | 8:88a1a9c26ae3 | 125 | osStatus Thread::wait(uint32_t millisec) { |
emilmont | 8:88a1a9c26ae3 | 126 | return osDelay(millisec); |
emilmont | 8:88a1a9c26ae3 | 127 | } |
emilmont | 8:88a1a9c26ae3 | 128 | |
emilmont | 8:88a1a9c26ae3 | 129 | osStatus Thread::yield() { |
emilmont | 8:88a1a9c26ae3 | 130 | return osThreadYield(); |
emilmont | 8:88a1a9c26ae3 | 131 | } |
emilmont | 8:88a1a9c26ae3 | 132 | |
emilmont | 8:88a1a9c26ae3 | 133 | osThreadId Thread::gettid() { |
emilmont | 8:88a1a9c26ae3 | 134 | return osThreadGetId(); |
emilmont | 8:88a1a9c26ae3 | 135 | } |
emilmont | 8:88a1a9c26ae3 | 136 | |
emilmont | 8:88a1a9c26ae3 | 137 | Thread::~Thread() { |
emilmont | 8:88a1a9c26ae3 | 138 | terminate(); |
mbed_official | 48:e9a2c7cb57a4 | 139 | #ifndef __MBED_CMSIS_RTOS_CA9 |
emilmont | 8:88a1a9c26ae3 | 140 | if (_dynamic_stack) { |
emilmont | 8:88a1a9c26ae3 | 141 | delete[] (_thread_def.stack_pointer); |
emilmont | 8:88a1a9c26ae3 | 142 | } |
mbed_official | 48:e9a2c7cb57a4 | 143 | #endif |
emilmont | 8:88a1a9c26ae3 | 144 | } |
emilmont | 8:88a1a9c26ae3 | 145 | |
emilmont | 8:88a1a9c26ae3 | 146 | } |