Clone of mbed rtos 2 for easy accessibility.
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Diff: rtos/Thread.cpp
- Revision:
- 84:143955ffb790
- Parent:
- 76:85a52b7ef44b
- Child:
- 85:ef0a22cdf839
--- a/rtos/Thread.cpp Tue Jun 16 07:45:29 2015 +0100 +++ b/rtos/Thread.cpp Wed Jun 17 10:00:10 2015 +0100 @@ -41,6 +41,11 @@ error("Error allocating the stack memory\n"); _dynamic_stack = true; } + + //Fill the stack with a magic word for maximum usage checking + for (int i = 0; i < (stack_size / sizeof(uint32_t)); i++) { + _thread_def.stack_pointer[i] = 0xE25A2EA5; + } #endif #endif _tid = osThreadCreate(&_thread_def, argument); @@ -76,6 +81,43 @@ #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); }