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mbed client lightswitch demo
Dependencies: mbed Socket lwip-eth lwip-sys lwip
Fork of mbed-client-classic-example-lwip by
Diff: mbed-rtos/rtos/Thread.cpp
- Revision:
- 11:cada08fc8a70
diff -r 1280c4c21987 -r cada08fc8a70 mbed-rtos/rtos/Thread.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/rtos/Thread.cpp Thu Jun 09 17:08:36 2016 +0000 @@ -0,0 +1,142 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "Thread.h" + +#include "mbed_error.h" + +namespace rtos { + +Thread::Thread(void (*task)(void const *argument), void *argument, + osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) { +#ifdef CMSIS_OS_RTX + _thread_def.pthread = task; + _thread_def.tpriority = priority; + _thread_def.stacksize = stack_size; + if (stack_pointer != NULL) { + _thread_def.stack_pointer = (uint32_t*)stack_pointer; + _dynamic_stack = false; + } else { + _thread_def.stack_pointer = new uint32_t[stack_size/sizeof(uint32_t)]; + if (_thread_def.stack_pointer == NULL) + error("Error allocating the stack memory\n"); + _dynamic_stack = true; + } + + //Fill the stack with a magic word for maximum usage checking + for (uint32_t i = 0; i < (stack_size / sizeof(uint32_t)); i++) { + _thread_def.stack_pointer[i] = 0xE25A2EA5; + } +#endif + _tid = osThreadCreate(&_thread_def, argument); +} + +osStatus Thread::terminate() { + return osThreadTerminate(_tid); +} + +osStatus Thread::set_priority(osPriority priority) { + return osThreadSetPriority(_tid, priority); +} + +osPriority Thread::get_priority() { + return osThreadGetPriority(_tid); +} + +int32_t Thread::signal_set(int32_t signals) { + return osSignalSet(_tid, signals); +} + +int32_t Thread::signal_clr(int32_t signals) { + return osSignalClear(_tid, signals); +} + +Thread::State Thread::get_state() { +#ifndef __MBED_CMSIS_RTOS_CA9 + return ((State)_thread_def.tcb.state); +#else + uint8_t status; + status = osThreadGetState(_tid); + return ((State)status); +#endif +} + +uint32_t Thread::stack_size() { +#ifndef __MBED_CMSIS_RTOS_CA9 + return _thread_def.tcb.priv_stack; +#else + return 0; +#endif +} + +uint32_t Thread::free_stack() { +#ifndef __MBED_CMSIS_RTOS_CA9 + uint32_t bottom = (uint32_t)_thread_def.tcb.stack; + return _thread_def.tcb.tsk_stack - bottom; +#else + return 0; +#endif +} + +uint32_t Thread::used_stack() { +#ifndef __MBED_CMSIS_RTOS_CA9 + uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack; + return top - _thread_def.tcb.tsk_stack; +#else + return 0; +#endif +} + +uint32_t Thread::max_stack() { +#ifndef __MBED_CMSIS_RTOS_CA9 + uint32_t high_mark = 0; + while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5) + high_mark++; + return _thread_def.tcb.priv_stack - (high_mark * 4); +#else + return 0; +#endif +} + +osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) { + return osSignalWait(signals, millisec); +} + +osStatus Thread::wait(uint32_t millisec) { + return osDelay(millisec); +} + +osStatus Thread::yield() { + return osThreadYield(); +} + +osThreadId Thread::gettid() { + return osThreadGetId(); +} + +Thread::~Thread() { + terminate(); + if (_dynamic_stack) { + delete[] (_thread_def.stack_pointer); + } +} + +}