/* 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); private: osTimerId _timer_id; osTimerDef_t _timer; #ifdef CMSIS_OS_RTX uint32_t _timer_data[5]; #endif }; } #endif