RtosTimer.h@0:e6ccf0b3d718, 2012-05-31 (annotated)
- Committer:
- donatien
- Date:
- Thu May 31 15:46:30 2012 +0000
- Revision:
- 0:e6ccf0b3d718
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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donatien | 0:e6ccf0b3d718 | 1 | /* Copyright (c) 2012 mbed.org */ |
donatien | 0:e6ccf0b3d718 | 2 | #ifndef TIMER_H |
donatien | 0:e6ccf0b3d718 | 3 | #define TIMER_H |
donatien | 0:e6ccf0b3d718 | 4 | |
donatien | 0:e6ccf0b3d718 | 5 | #include <stdint.h> |
donatien | 0:e6ccf0b3d718 | 6 | #include "cmsis_os.h" |
donatien | 0:e6ccf0b3d718 | 7 | |
donatien | 0:e6ccf0b3d718 | 8 | namespace rtos { |
donatien | 0:e6ccf0b3d718 | 9 | |
donatien | 0:e6ccf0b3d718 | 10 | /*! The RtosTimer class allow creating and and controlling of timer functions in the system. |
donatien | 0:e6ccf0b3d718 | 11 | A timer function is called when a time period expires whereby both on-shot and |
donatien | 0:e6ccf0b3d718 | 12 | periodic timers are possible. A timer can be started, restarted, or stopped. |
donatien | 0:e6ccf0b3d718 | 13 | |
donatien | 0:e6ccf0b3d718 | 14 | Timers are handled in the thread osTimerThread. |
donatien | 0:e6ccf0b3d718 | 15 | Callback functions run under control of this thread and may use CMSIS-RTOS API calls. |
donatien | 0:e6ccf0b3d718 | 16 | */ |
donatien | 0:e6ccf0b3d718 | 17 | class RtosTimer { |
donatien | 0:e6ccf0b3d718 | 18 | public: |
donatien | 0:e6ccf0b3d718 | 19 | /*! Create and Start timer. |
donatien | 0:e6ccf0b3d718 | 20 | \param task name of the timer call back function. |
donatien | 0:e6ccf0b3d718 | 21 | \param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic) |
donatien | 0:e6ccf0b3d718 | 22 | \param argument argument to the timer call back function. (default: NULL) |
donatien | 0:e6ccf0b3d718 | 23 | */ |
donatien | 0:e6ccf0b3d718 | 24 | RtosTimer(void (*task)(void const *argument), |
donatien | 0:e6ccf0b3d718 | 25 | os_timer_type type=osTimerPeriodic, |
donatien | 0:e6ccf0b3d718 | 26 | void *argument=NULL); |
donatien | 0:e6ccf0b3d718 | 27 | |
donatien | 0:e6ccf0b3d718 | 28 | /*! Stop the timer. |
donatien | 0:e6ccf0b3d718 | 29 | \return status code that indicates the execution status of the function. |
donatien | 0:e6ccf0b3d718 | 30 | */ |
donatien | 0:e6ccf0b3d718 | 31 | osStatus stop(void); |
donatien | 0:e6ccf0b3d718 | 32 | |
donatien | 0:e6ccf0b3d718 | 33 | /*! start a timer. |
donatien | 0:e6ccf0b3d718 | 34 | \param millisec time delay value of the timer. |
donatien | 0:e6ccf0b3d718 | 35 | \return status code that indicates the execution status of the function. |
donatien | 0:e6ccf0b3d718 | 36 | */ |
donatien | 0:e6ccf0b3d718 | 37 | osStatus start(uint32_t millisec); |
donatien | 0:e6ccf0b3d718 | 38 | |
donatien | 0:e6ccf0b3d718 | 39 | private: |
donatien | 0:e6ccf0b3d718 | 40 | osTimerId _timer_id; |
donatien | 0:e6ccf0b3d718 | 41 | osTimerDef_t _timer; |
donatien | 0:e6ccf0b3d718 | 42 | #ifdef CMSIS_OS_RTX |
donatien | 0:e6ccf0b3d718 | 43 | uint32_t _timer_data[5]; |
donatien | 0:e6ccf0b3d718 | 44 | #endif |
donatien | 0:e6ccf0b3d718 | 45 | }; |
donatien | 0:e6ccf0b3d718 | 46 | |
donatien | 0:e6ccf0b3d718 | 47 | } |
donatien | 0:e6ccf0b3d718 | 48 | |
donatien | 0:e6ccf0b3d718 | 49 | #endif |