rtos.c File Reference

RTOS - Real Time Operating System. More...

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Functions
void	Sleep (int timems)
	Put a task to sleep for a given number of milliseconds.
void	TaskYield ()
	Give up the remaining time allotted to this task by the processor.
void *	TaskCreate (void(taskCode)(void *), char *name, int stackDepth, void *parameters, int priority)
	Create a new task.
void	TaskDelete (void *task)
	Delete an existing task.
void	TaskEnterCritical ()
	Specify that a task is entering a period during which it should not be interrupted.
void	TaskExitCritical ()
	Specify that a task is exiting a critical period, in response to TaskEnterCritical().
int	TaskGetRemainingStack (void *task)
	Check how much stack is available for a given task.
void *	getTaskByName (char *taskName)
	Get a pointer to a task by its name.
void *	getTaskByID (int taskID)
	Get a pointer to a task by its ID number.
int	TaskGetPriority (void *task)
	Get the priority of a task.
int	TaskGetIDNumber (void *task)
	Get the ID number of a task.
char *	TaskGetName (void *task)
	Get the name of a task.
int	TaskGetStackAllocated (void *task)
	Read the amount of stack initially allocated for a task.
void *	TaskGetCurrent ()
	Get a pointer to the task that's currently running.
int	TaskGetTopPriorityUsed ()
	Read the highest priority being used by any existing task.
void *	TaskGetNext (void *task)
	Get a pointer to the task whose ID comes after a given ID.
int	GetNumberOfTasks ()
	Get the total number of tasks that exist at a given moment.
void	TaskSetPriority (void *task, int priority)
	Update the priority of a task.
int	TaskGetTickCount (void)
	Returns the number of ticks since the scheduler started.
void *	Malloc (int size)
	Dynamically allocate memory from the heap.
void *	MallocWait (int size, int interval)
	Same as Malloc, but keeps trying until it succeeds.
void	Free (void *memory)
	Free memory from the heap.
void *	QueueCreate (uint length, uint itemSize)
	Create a new queue.
int	QueueSendToFront (void *queue, void *itemToQueue, int msToWait)
	Post an item onto the front of a queue.
int	QueueSendToBack (void *queue, void *itemToQueue, int msToWait)
	Post an item onto the back of a queue.
int	QueueReceive (void *queue, void *buffer, int msToWait)
	Read an item off of a queue.
int	QueueMessagesWaiting (void *queue)
	Return the number of messages waiting in a queue.
void	QueueDelete (void *queue)
	Delete a queue - freeing all the memory allocated for storing of items placed on the queue.
int	QueueSendToFrontFromISR (void *queue, void *itemToSend, int taskPreviouslyWoken)
	Post an item to the front of a queue from within an interrupt service routine.
int	QueueSendToBackFromISR (void *queue, void *itemToSend, int taskPreviouslyWoken)
	Post an item to the back of a queue from within an interrupt service routine.
int	QueueReceiveFromISR (void *queue, void *buffer, long *taskWoken)
	Receive an item from a queue from within an interrupt service routine.
void *	SemaphoreCreate ()
	Create a semaphore.
int	SemaphoreTake (void *semaphore, int blockTime)
	Obtain a semaphore.
int	SemaphoreGive (void *semaphore)
	Release a semaphore.
int	SemaphoreGiveFromISR (void *semaphore, int taskWoken)
	Release a semaphore from within an ISR.

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Detailed Description

RTOS - Real Time Operating System.

Functions to work within FreeRTOS on the Make Controller Board.

Definition in file rtos.c.