Example code displaying how to use and implement the mbed RTOS along with a simple state machine used to capture button presses.
Fork of mbed-rtos by
rtos/Semaphore.cpp@6:350b53afb889, 2012-11-23 (annotated)
- Committer:
- emilmont
- Date:
- Fri Nov 23 09:57:31 2012 +0000
- Revision:
- 6:350b53afb889
- Child:
- 8:88a1a9c26ae3
Merge RTOS C++ API and RTX under the same library; Update RTX to version 4.60; Add proper Thread destructor;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emilmont | 6:350b53afb889 | 1 | #include "Semaphore.h" |
emilmont | 6:350b53afb889 | 2 | |
emilmont | 6:350b53afb889 | 3 | #include <string.h> |
emilmont | 6:350b53afb889 | 4 | #include "error.h" |
emilmont | 6:350b53afb889 | 5 | |
emilmont | 6:350b53afb889 | 6 | namespace rtos { |
emilmont | 6:350b53afb889 | 7 | |
emilmont | 6:350b53afb889 | 8 | Semaphore::Semaphore(int32_t count) { |
emilmont | 6:350b53afb889 | 9 | #ifdef CMSIS_OS_RTX |
emilmont | 6:350b53afb889 | 10 | memset(_semaphore_data, 0, sizeof(_semaphore_data)); |
emilmont | 6:350b53afb889 | 11 | _osSemaphoreDef.semaphore = _semaphore_data; |
emilmont | 6:350b53afb889 | 12 | #endif |
emilmont | 6:350b53afb889 | 13 | _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); |
emilmont | 6:350b53afb889 | 14 | } |
emilmont | 6:350b53afb889 | 15 | |
emilmont | 6:350b53afb889 | 16 | int32_t Semaphore::wait(uint32_t millisec) { |
emilmont | 6:350b53afb889 | 17 | return osSemaphoreWait(_osSemaphoreId, millisec); |
emilmont | 6:350b53afb889 | 18 | } |
emilmont | 6:350b53afb889 | 19 | |
emilmont | 6:350b53afb889 | 20 | osStatus Semaphore::release(void) { |
emilmont | 6:350b53afb889 | 21 | return osSemaphoreRelease(_osSemaphoreId); |
emilmont | 6:350b53afb889 | 22 | } |
emilmont | 6:350b53afb889 | 23 | |
emilmont | 6:350b53afb889 | 24 | Semaphore::~Semaphore() { |
emilmont | 6:350b53afb889 | 25 | osSemaphoreDelete(_osSemaphoreId); |
emilmont | 6:350b53afb889 | 26 | } |
emilmont | 6:350b53afb889 | 27 | |
emilmont | 6:350b53afb889 | 28 | } |