Class OSSchedulerImpl - DEPRECATED

Page date Mon Feb 14 18:40:53 2011 .

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OSSchedulerImpl

Constructors

Methods

static void start(void) attribute( ( noreturn ) )

Description

Starts the first task from the tasks ready list.

Parameters

:* None.

Return value

:* None.

inline static void yield(void) attribute( ( always_inline ) )

Description

Specific implementation of the yield function for the AVR32 architecture.

Parameters

:* None.

Return value

:* None.

static OSStack_t *stackInitialize(OSStack_t * pStackTop, void(*entryPoint)(void *), void *pParams, unsigned char id)

Description

Used to initialize the stack for a task.

Parameters

:* pStackTop - pointer to the memory region used as stack by this task.

:* entryPoint - function pointer to the routine that will be executed by this task.

:* pParams - pointer to the parameters passed to this task.

:* id - task’s ID.

Return value

:* Pointer to the last element from the initialized stack.

inline static void FirstTask_contextRestore(void) attribute( ( always_inline ) )

Description

Restore the context for the next task to be scheduled.

Parameters

:* None.

Return value

:* None.

inline static void stackPointerSave(void) attribute( ( always_inline ) )

Description

Save the SP for the active task to it’s stack.

Parameters

:* None.

Return value

:* None.

inline static void registersRestore(void) attribute( ( always_inline ) )

Description

Restore the registers for the active task.

Parameters

:* None.

Return value

:* None.

inline static bool isContextSwitchAllowed(void) attribute( ( always_inline ) )

Description

Check if the context switch can be done. The context switch cannot be done if the current context is a nested interrupt. In order to check this, the SR register saved on stack is verified (to see what the previous context was).

Parameters

:* None.

Return value

:* TRUE if the context switch is allowed, FALSE otherwise..

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