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Diff: rtos/RtosTimer.h
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- 6:350b53afb889
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- 8:88a1a9c26ae3
diff -r 9654a71f5a90 -r 350b53afb889 rtos/RtosTimer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rtos/RtosTimer.h Fri Nov 23 09:57:31 2012 +0000 @@ -0,0 +1,51 @@ +/* Copyright (c) 2012 mbed.org */ +#ifndef TIMER_H +#define TIMER_H + +#include <stdint.h> +#include "cmsis_os.h" + +namespace rtos { + +/*! The RtosTimer class allow creating and and controlling of timer functions in the system. + A timer function is called when a time period expires whereby both on-shot and + periodic timers are possible. A timer can be started, restarted, or stopped. + + Timers are handled in the thread osTimerThread. + Callback functions run under control of this thread and may use CMSIS-RTOS API calls. +*/ +class RtosTimer { +public: + /*! Create and Start timer. + \param task name of the timer call back function. + \param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic) + \param argument argument to the timer call back function. (default: NULL) + */ + RtosTimer(void (*task)(void const *argument), + os_timer_type type=osTimerPeriodic, + void *argument=NULL); + + /*! Stop the timer. + \return status code that indicates the execution status of the function. + */ + osStatus stop(void); + + /*! start a timer. + \param millisec time delay value of the timer. + \return status code that indicates the execution status of the function. + */ + osStatus start(uint32_t millisec); + + ~RtosTimer(); + +private: + osTimerId _timer_id; + osTimerDef_t _timer; +#ifdef CMSIS_OS_RTX + uint32_t _timer_data[5]; +#endif +}; + +} + +#endif