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mbed-rtos/rtos/Thread.h@0:0ed2a7c7190c, 2013-05-31 (annotated)
- Committer:
- GordonSin
- Date:
- Fri May 31 04:09:54 2013 +0000
- Revision:
- 0:0ed2a7c7190c
31/5/2013;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GordonSin | 0:0ed2a7c7190c | 1 | /* Copyright (c) 2012 mbed.org */ |
GordonSin | 0:0ed2a7c7190c | 2 | #ifndef THREAD_H |
GordonSin | 0:0ed2a7c7190c | 3 | #define THREAD_H |
GordonSin | 0:0ed2a7c7190c | 4 | |
GordonSin | 0:0ed2a7c7190c | 5 | #include <stdint.h> |
GordonSin | 0:0ed2a7c7190c | 6 | #include "cmsis_os.h" |
GordonSin | 0:0ed2a7c7190c | 7 | |
GordonSin | 0:0ed2a7c7190c | 8 | namespace rtos { |
GordonSin | 0:0ed2a7c7190c | 9 | |
GordonSin | 0:0ed2a7c7190c | 10 | /*! The Thread class allow defining, creating, and controlling thread functions in the system. */ |
GordonSin | 0:0ed2a7c7190c | 11 | class Thread { |
GordonSin | 0:0ed2a7c7190c | 12 | public: |
GordonSin | 0:0ed2a7c7190c | 13 | /*! Create a new thread, and start it executing the specified function. |
GordonSin | 0:0ed2a7c7190c | 14 | \param task function to be executed by this thread. |
GordonSin | 0:0ed2a7c7190c | 15 | \param argument pointer that is passed to the thread function as start argument. (default: NULL). |
GordonSin | 0:0ed2a7c7190c | 16 | \param priority initial priority of the thread function. (default: osPriorityNormal). |
GordonSin | 0:0ed2a7c7190c | 17 | \param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE). |
GordonSin | 0:0ed2a7c7190c | 18 | \param stack_pointer pointer to the stack area to be used by this thread (default: NULL). |
GordonSin | 0:0ed2a7c7190c | 19 | */ |
GordonSin | 0:0ed2a7c7190c | 20 | Thread(void (*task)(void const *argument), void *argument=NULL, |
GordonSin | 0:0ed2a7c7190c | 21 | osPriority priority=osPriorityNormal, |
GordonSin | 0:0ed2a7c7190c | 22 | uint32_t stack_size=DEFAULT_STACK_SIZE, |
GordonSin | 0:0ed2a7c7190c | 23 | unsigned char *stack_pointer=NULL); |
GordonSin | 0:0ed2a7c7190c | 24 | |
GordonSin | 0:0ed2a7c7190c | 25 | /*! Terminate execution of a thread and remove it from Active Threads |
GordonSin | 0:0ed2a7c7190c | 26 | \return status code that indicates the execution status of the function. |
GordonSin | 0:0ed2a7c7190c | 27 | */ |
GordonSin | 0:0ed2a7c7190c | 28 | osStatus terminate(); |
GordonSin | 0:0ed2a7c7190c | 29 | |
GordonSin | 0:0ed2a7c7190c | 30 | /*! Set priority of an active thread |
GordonSin | 0:0ed2a7c7190c | 31 | \param priority new priority value for the thread function. |
GordonSin | 0:0ed2a7c7190c | 32 | \return status code that indicates the execution status of the function. |
GordonSin | 0:0ed2a7c7190c | 33 | */ |
GordonSin | 0:0ed2a7c7190c | 34 | osStatus set_priority(osPriority priority); |
GordonSin | 0:0ed2a7c7190c | 35 | |
GordonSin | 0:0ed2a7c7190c | 36 | /*! Get priority of an active thread |
GordonSin | 0:0ed2a7c7190c | 37 | \ return current priority value of the thread function. |
GordonSin | 0:0ed2a7c7190c | 38 | */ |
GordonSin | 0:0ed2a7c7190c | 39 | osPriority get_priority(); |
GordonSin | 0:0ed2a7c7190c | 40 | |
GordonSin | 0:0ed2a7c7190c | 41 | /*! Set the specified Signal Flags of an active thread. |
GordonSin | 0:0ed2a7c7190c | 42 | \param signals specifies the signal flags of the thread that should be set. |
GordonSin | 0:0ed2a7c7190c | 43 | \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters. |
GordonSin | 0:0ed2a7c7190c | 44 | */ |
GordonSin | 0:0ed2a7c7190c | 45 | int32_t signal_set(int32_t signals); |
GordonSin | 0:0ed2a7c7190c | 46 | |
GordonSin | 0:0ed2a7c7190c | 47 | /*! Wait for one or more Signal Flags to become signaled for the current RUNNING thread. |
GordonSin | 0:0ed2a7c7190c | 48 | \param signals wait until all specified signal flags set or 0 for any single signal flag. |
GordonSin | 0:0ed2a7c7190c | 49 | \param millisec timeout value or 0 in case of no time-out. (default: osWaitForever). |
GordonSin | 0:0ed2a7c7190c | 50 | \return event flag information or error code. |
GordonSin | 0:0ed2a7c7190c | 51 | */ |
GordonSin | 0:0ed2a7c7190c | 52 | static osEvent signal_wait(int32_t signals, uint32_t millisec=osWaitForever); |
GordonSin | 0:0ed2a7c7190c | 53 | |
GordonSin | 0:0ed2a7c7190c | 54 | |
GordonSin | 0:0ed2a7c7190c | 55 | /*! Wait for a specified time period in millisec: |
GordonSin | 0:0ed2a7c7190c | 56 | \param millisec time delay value |
GordonSin | 0:0ed2a7c7190c | 57 | \return status code that indicates the execution status of the function. |
GordonSin | 0:0ed2a7c7190c | 58 | */ |
GordonSin | 0:0ed2a7c7190c | 59 | static osStatus wait(uint32_t millisec); |
GordonSin | 0:0ed2a7c7190c | 60 | |
GordonSin | 0:0ed2a7c7190c | 61 | /*! Pass control to next thread that is in state READY. |
GordonSin | 0:0ed2a7c7190c | 62 | \return status code that indicates the execution status of the function. |
GordonSin | 0:0ed2a7c7190c | 63 | */ |
GordonSin | 0:0ed2a7c7190c | 64 | static osStatus yield(); |
GordonSin | 0:0ed2a7c7190c | 65 | |
GordonSin | 0:0ed2a7c7190c | 66 | /*! Get the thread id of the current running thread. |
GordonSin | 0:0ed2a7c7190c | 67 | \return thread ID for reference by other functions or NULL in case of error. |
GordonSin | 0:0ed2a7c7190c | 68 | */ |
GordonSin | 0:0ed2a7c7190c | 69 | static osThreadId gettid(); |
GordonSin | 0:0ed2a7c7190c | 70 | |
GordonSin | 0:0ed2a7c7190c | 71 | private: |
GordonSin | 0:0ed2a7c7190c | 72 | osThreadId _tid; |
GordonSin | 0:0ed2a7c7190c | 73 | osThreadDef_t _thread_def; |
GordonSin | 0:0ed2a7c7190c | 74 | }; |
GordonSin | 0:0ed2a7c7190c | 75 | |
GordonSin | 0:0ed2a7c7190c | 76 | } |
GordonSin | 0:0ed2a7c7190c | 77 | #endif |