Example code displaying how to use and implement the mbed RTOS along with a simple state machine used to capture button presses.
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Diff: rtos/Semaphore.cpp
- Revision:
- 6:350b53afb889
- Child:
- 8:88a1a9c26ae3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rtos/Semaphore.cpp Fri Nov 23 09:57:31 2012 +0000 @@ -0,0 +1,28 @@ +#include "Semaphore.h" + +#include <string.h> +#include "error.h" + +namespace rtos { + +Semaphore::Semaphore(int32_t count) { +#ifdef CMSIS_OS_RTX + memset(_semaphore_data, 0, sizeof(_semaphore_data)); + _osSemaphoreDef.semaphore = _semaphore_data; +#endif + _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); +} + +int32_t Semaphore::wait(uint32_t millisec) { + return osSemaphoreWait(_osSemaphoreId, millisec); +} + +osStatus Semaphore::release(void) { + return osSemaphoreRelease(_osSemaphoreId); +} + +Semaphore::~Semaphore() { + osSemaphoreDelete(_osSemaphoreId); +} + +}