Overview

Data Structures
struct	semaphore_t
	Type for an semaphore. More...

struct	mutex_t
	Type for a mutex. More...

struct	task_control_block_t
	Task control block for bare metal. More...

struct	event_t
	Type for an event object. More...

struct	msg_queue_t
	Type for a message queue. More...

Macros
#define	FSL_OSA_BM_TASK_ENABLE 1U
	Definition to determine whether enable TASK module. More...

#define	FSL_OSA_BM_TIMER_NONE 0U
	Bare Metal does not use timer. More...

#define	FSL_OSA_BM_TIMER_SYSTICK 1U
	Bare Metal uses SYSTICK as timer. More...

#define	FSL_OSA_BM_TIMER_CONFIG FSL_OSA_BM_TIMER_SYSTICK
	Configure what timer is used in Bare Metal. More...

#define	OSA_WAIT_FOREVER 0xFFFFFFFFU
	Constant to pass as timeout value in order to wait indefinitely. More...

#define	TASK_MAX_NUM 7
	How many tasks can the bare metal support. More...

#define	FSL_OSA_TIME_RANGE 0xFFFFFFFFU
	OSA's time range in millisecond, OSA time wraps if exceeds this value. More...

#define	OSA_DEFAULT_INT_HANDLER ((osa_int_handler_t)(&DefaultISR))
	The default interrupt handler installed in vector table. More...

Typedefs
typedef void *	task_param_t
	Type for task parameter.

typedef void(*	task_t )(task_param_t param)
	Type for a task handler, returned by the OSA_TaskCreate function.

typedef task_control_block_t *	task_handler_t
	Type for a task pointer.

typedef uint32_t	task_stack_t
	Type for a task stack.

typedef uint32_t	event_flags_t
	Type for an event flags group, bit 32 is reserved.

typedef msg_queue_t *	msg_queue_handler_t
	Type for a message queue handler.

Functions
void	DefaultISR (void)
	The default interrupt handler installed in vector table. More...

Thread management
#define	PRIORITY_OSA_TO_RTOS(osa_prio) (osa_prio)
	Defines a task. More...

#define	PRIORITY_RTOS_TO_OSA(rtos_prio) (rtos_prio)

Data Structure Documentation

struct semaphore_t

Data Fields
uint32_t	time_start
	The time to start timeout.

uint32_t	timeout
	Timeout to wait in milliseconds.

volatile bool	isWaiting
	Is any task waiting for a timeout on this object.

volatile uint8_t	semCount
	The count value of the object.

struct mutex_t

Data Fields
uint32_t	time_start
	The time to start timeout.

uint32_t	timeout
	Timeout to wait in milliseconds.

volatile bool	isWaiting
	Is any task waiting for a timeout on this mutex.

volatile bool	isLocked
	Is the object locked or not.

struct task_control_block_t

struct event_t

Data Fields
uint32_t	time_start
	The time to start timeout.

uint32_t	timeout
	Timeout to wait in milliseconds.

volatile event_flags_t	flags
	The flags status.

task_handler_t	waitingTask
	Handler to the waiting task.

bool	autoClear
	Auto clear or manual clear.

volatile bool	isWaiting
	Is any task waiting for a timeout on this event.

struct msg_queue_t

Data Fields
volatile bool	isWaiting
	Is any task waiting for a timeout.

uint32_t	time_start
	The time to start timeout.

uint32_t	timeout
	Timeout to wait in milliseconds.

uint32_t	size
	The size(byte) of a single message.

task_handler_t	waitingTask
	Handler to the waiting task.

uint8_t *	queueMem
	Points to the queue memory.

uint16_t	number
	The number of messages in the queue.

uint16_t	max
	The max number of queue messages.

uint16_t	head
	Index of the next message to be read.

uint16_t	tail
	Index of the next place to write to.

#define FSL_OSA_BM_TASK_ENABLE 1U

#define FSL_OSA_BM_TIMER_NONE 0U

#define FSL_OSA_BM_TIMER_SYSTICK 1U

#define FSL_OSA_BM_TIMER_CONFIG FSL_OSA_BM_TIMER_SYSTICK

#define OSA_WAIT_FOREVER 0xFFFFFFFFU

#define TASK_MAX_NUM 7

#define FSL_OSA_TIME_RANGE 0xFFFFFFFFU

#define OSA_DEFAULT_INT_HANDLER ((osa_int_handler_t)(&DefaultISR))

#define PRIORITY_OSA_TO_RTOS ( osa_prio ) (osa_prio)

This macro defines resources for a task statically. Then, the OSA_TaskCreate creates the task based-on these resources.

Parameters

task	The task function.
stackSize	The stack size this task needs in bytes.

void DefaultISR ( void )