CMSIS-RTOS2: cmsis_os2.h File Reference

| CMSIS-RTOS2 Version 2.1.1 Real-Time Operating System: API and RTX Reference Implementation

- Main Page
- Usage and Description
- Reference

All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Data Structures | Macros | Typedefs | Enumerations | Functions
cmsis_os2.h File Reference

## Data Structures
struct | osVersion_t
| Version information. More...
struct | osThreadAttr_t
| Attributes structure for thread. More...
struct | osTimerAttr_t
| Attributes structure for timer. More...
struct | osEventFlagsAttr_t
| Attributes structure for event flags. More...
struct | osMutexAttr_t
| Attributes structure for mutex. More...
struct | osSemaphoreAttr_t
| Attributes structure for semaphore. More...
struct | osMemoryPoolAttr_t
| Attributes structure for memory pool. More...
struct | osMessageQueueAttr_t
| Attributes structure for message queue. More...

## Macros
#define | __NO_RETURN
#define | osWaitForever 0xFFFFFFFFU
| Wait forever timeout value. More...
#define | osFlagsWaitAny 0x00000000U
| Wait for any flag (default). More...
#define | osFlagsWaitAll 0x00000001U
| Wait for all flags. More...
#define | osFlagsNoClear 0x00000002U
| Do not clear flags which have been specified to wait for. More...
#define | osFlagsError 0x80000000U
| Error indicator. More...
#define | osFlagsErrorUnknown 0xFFFFFFFFU
| osError (-1). More...
#define | osFlagsErrorTimeout 0xFFFFFFFEU
| osErrorTimeout (-2). More...
#define | osFlagsErrorResource 0xFFFFFFFDU
| osErrorResource (-3). More...
#define | osFlagsErrorParameter 0xFFFFFFFCU
| osErrorParameter (-4). More...
#define | osFlagsErrorISR 0xFFFFFFFAU
| osErrorISR (-6). More...
#define | osThreadDetached 0x00000000U
| Thread created in detached mode (default) More...
#define | osThreadJoinable 0x00000001U
| Thread created in joinable mode. More...
#define | osMutexRecursive 0x00000001U
| Recursive mutex. More...
#define | osMutexPrioInherit 0x00000002U
| Priority inherit protocol. More...
#define | osMutexRobust 0x00000008U
| Robust mutex. More...
#define | TZ_MODULEID_T

## Typedefs
typedef void(* | osThreadFunc_t )(void *argument)
| Entry point of a thread. More...
typedef void(* | osTimerFunc_t )(void *argument)
| Timer callback function. More...
typedef void * | osThreadId_t
typedef void * | osTimerId_t
typedef void * | osEventFlagsId_t
typedef void * | osMutexId_t
typedef void * | osSemaphoreId_t
typedef void * | osMemoryPoolId_t
typedef void * | osMessageQueueId_t
typedef uint32_t | TZ_ModuleId_t

## Enumerations
enum | osKernelState_t { osKernelInactive = 0, osKernelReady = 1, osKernelRunning = 2, osKernelLocked = 3, osKernelSuspended = 4, osKernelError = -1, osKernelReserved = 0x7FFFFFFFU }
| Kernel state. More...
enum | osThreadState_t { osThreadInactive = 0, osThreadReady = 1, osThreadRunning = 2, osThreadBlocked = 3, osThreadTerminated = 4, osThreadError = -1, osThreadReserved = 0x7FFFFFFF }
| Thread state. More...
enum | osPriority_t { osPriorityNone = 0, osPriorityIdle = 1, osPriorityLow = 8, osPriorityLow1 = 8+1, osPriorityLow2 = 8+2, osPriorityLow3 = 8+3, osPriorityLow4 = 8+4, osPriorityLow5 = 8+5, osPriorityLow6 = 8+6, osPriorityLow7 = 8+7, osPriorityBelowNormal = 16, osPriorityBelowNormal1 = 16+1, osPriorityBelowNormal2 = 16+2, osPriorityBelowNormal3 = 16+3, osPriorityBelowNormal4 = 16+4, osPriorityBelowNormal5 = 16+5, osPriorityBelowNormal6 = 16+6, osPriorityBelowNormal7 = 16+7, osPriorityNormal = 24, osPriorityNormal1 = 24+1, osPriorityNormal2 = 24+2, osPriorityNormal3 = 24+3, osPriorityNormal4 = 24+4, osPriorityNormal5 = 24+5, osPriorityNormal6 = 24+6, osPriorityNormal7 = 24+7, osPriorityAboveNormal = 32, osPriorityAboveNormal1 = 32+1, osPriorityAboveNormal2 = 32+2, osPriorityAboveNormal3 = 32+3, osPriorityAboveNormal4 = 32+4, osPriorityAboveNormal5 = 32+5, osPriorityAboveNormal6 = 32+6, osPriorityAboveNormal7 = 32+7, osPriorityHigh = 40, osPriorityHigh1 = 40+1, osPriorityHigh2 = 40+2, osPriorityHigh3 = 40+3, osPriorityHigh4 = 40+4, osPriorityHigh5 = 40+5, osPriorityHigh6 = 40+6, osPriorityHigh7 = 40+7, osPriorityRealtime = 48, osPriorityRealtime1 = 48+1, osPriorityRealtime2 = 48+2, osPriorityRealtime3 = 48+3, osPriorityRealtime4 = 48+4, osPriorityRealtime5 = 48+5, osPriorityRealtime6 = 48+6, osPriorityRealtime7 = 48+7, osPriorityISR = 56, osPriorityError = -1, osPriorityReserved = 0x7FFFFFFF }
| Priority values. More...
enum | osTimerType_t { osTimerOnce = 0, osTimerPeriodic = 1 }
| Timer type. More...
enum | osStatus_t { osOK = 0, osError = -1, osErrorTimeout = -2, osErrorResource = -3, osErrorParameter = -4, osErrorNoMemory = -5, osErrorISR = -6, osStatusReserved = 0x7FFFFFFF }
| Status code values returned by CMSIS-RTOS functions. More...

## Functions
osStatus_t | osKernelInitialize (void)
| Initialize the RTOS Kernel. More...
osStatus_t | osKernelGetInfo (osVersion_t *version, char *id_buf, uint32_t id_size)
| Get RTOS Kernel Information. More...
osKernelState_t | osKernelGetState (void)
| Get the current RTOS Kernel state. More...
osStatus_t | osKernelStart (void)
| Start the RTOS Kernel scheduler. More...
int32_t | osKernelLock (void)
| Lock the RTOS Kernel scheduler. More...
int32_t | osKernelUnlock (void)
| Unlock the RTOS Kernel scheduler. More...
int32_t | osKernelRestoreLock (int32_t lock)
| Restore the RTOS Kernel scheduler lock state. More...
uint32_t | osKernelSuspend (void)
| Suspend the RTOS Kernel scheduler. More...
void | osKernelResume (uint32_t sleep_ticks)
| Resume the RTOS Kernel scheduler. More...
uint32_t | osKernelGetTickCount (void)
| Get the RTOS kernel tick count. More...
uint32_t | osKernelGetTickFreq (void)
| Get the RTOS kernel tick frequency. More...
uint32_t | osKernelGetSysTimerCount (void)
| Get the RTOS kernel system timer count. More...
uint32_t | osKernelGetSysTimerFreq (void)
| Get the RTOS kernel system timer frequency. More...
osThreadId_t | osThreadNew (osThreadFunc_t func, void *argument, const osThreadAttr_t *attr)
| Create a thread and add it to Active Threads. More...
const char * | osThreadGetName (osThreadId_t thread_id)
| Get name of a thread. More...
osThreadId_t | osThreadGetId (void)
| Return the thread ID of the current running thread. More...
osThreadState_t | osThreadGetState (osThreadId_t thread_id)
| Get current thread state of a thread. More...
uint32_t | osThreadGetStackSize (osThreadId_t thread_id)
| Get stack size of a thread. More...
uint32_t | osThreadGetStackSpace (osThreadId_t thread_id)
| Get available stack space of a thread based on stack watermark recording during execution. More...
osStatus_t | osThreadSetPriority (osThreadId_t thread_id, osPriority_t priority)
| Change priority of a thread. More...
osPriority_t | osThreadGetPriority (osThreadId_t thread_id)
| Get current priority of a thread. More...
osStatus_t | osThreadYield (void)
| Pass control to next thread that is in state READY. More...
osStatus_t | osThreadSuspend (osThreadId_t thread_id)
| Suspend execution of a thread. More...
osStatus_t | osThreadResume (osThreadId_t thread_id)
| Resume execution of a thread. More...
osStatus_t | osThreadDetach (osThreadId_t thread_id)
| Detach a thread (thread storage can be reclaimed when thread terminates). More...
osStatus_t | osThreadJoin (osThreadId_t thread_id)
| Wait for specified thread to terminate. More...
__NO_RETURN void | osThreadExit (void)
| Terminate execution of current running thread. More...
osStatus_t | osThreadTerminate (osThreadId_t thread_id)
| Terminate execution of a thread. More...
uint32_t | osThreadGetCount (void)
| Get number of active threads. More...
uint32_t | osThreadEnumerate (osThreadId_t *thread_array, uint32_t array_items)
| Enumerate active threads. More...
uint32_t | osThreadFlagsSet (osThreadId_t thread_id, uint32_t flags)
| Set the specified Thread Flags of a thread. More...
uint32_t | osThreadFlagsClear (uint32_t flags)
| Clear the specified Thread Flags of current running thread. More...
uint32_t | osThreadFlagsGet (void)
| Get the current Thread Flags of current running thread. More...
uint32_t | osThreadFlagsWait (uint32_t flags, uint32_t options, uint32_t timeout)
| Wait for one or more Thread Flags of the current running thread to become signaled. More...
osStatus_t | osDelay (uint32_t ticks)
| Wait for Timeout (Time Delay). More...
osStatus_t | osDelayUntil (uint32_t ticks)
| Wait until specified time. More...
osTimerId_t | osTimerNew (osTimerFunc_t func, osTimerType_t type, void *argument, const osTimerAttr_t *attr)
| Create and Initialize a timer. More...
const char * | osTimerGetName (osTimerId_t timer_id)
| Get name of a timer. More...
osStatus_t | osTimerStart (osTimerId_t timer_id, uint32_t ticks)
| Start or restart a timer. More...
osStatus_t | osTimerStop (osTimerId_t timer_id)
| Stop a timer. More...
uint32_t | osTimerIsRunning (osTimerId_t timer_id)
| Check if a timer is running. More...
osStatus_t | osTimerDelete (osTimerId_t timer_id)
| Delete a timer. More...
osEventFlagsId_t | osEventFlagsNew (const osEventFlagsAttr_t *attr)
| Create and Initialize an Event Flags object. More...
const char * | osEventFlagsGetName (osEventFlagsId_t ef_id)
| Get name of an Event Flags object. More...
uint32_t | osEventFlagsSet (osEventFlagsId_t ef_id, uint32_t flags)
| Set the specified Event Flags. More...
uint32_t | osEventFlagsClear (osEventFlagsId_t ef_id, uint32_t flags)
| Clear the specified Event Flags. More...
uint32_t | osEventFlagsGet (osEventFlagsId_t ef_id)
| Get the current Event Flags. More...
uint32_t | osEventFlagsWait (osEventFlagsId_t ef_id, uint32_t flags, uint32_t options, uint32_t timeout)
| Wait for one or more Event Flags to become signaled. More...
osStatus_t | osEventFlagsDelete (osEventFlagsId_t ef_id)
| Delete an Event Flags object. More...
osMutexId_t | osMutexNew (const osMutexAttr_t *attr)
| Create and Initialize a Mutex object. More...
const char * | osMutexGetName (osMutexId_t mutex_id)
| Get name of a Mutex object. More...
osStatus_t | osMutexAcquire (osMutexId_t mutex_id, uint32_t timeout)
| Acquire a Mutex or timeout if it is locked. More...
osStatus_t | osMutexRelease (osMutexId_t mutex_id)
| Release a Mutex that was acquired by osMutexAcquire. More...
osThreadId_t | osMutexGetOwner (osMutexId_t mutex_id)
| Get Thread which owns a Mutex object. More...
osStatus_t | osMutexDelete (osMutexId_t mutex_id)
| Delete a Mutex object. More...
osSemaphoreId_t | osSemaphoreNew (uint32_t max_count, uint32_t initial_count, const osSemaphoreAttr_t *attr)
| Create and Initialize a Semaphore object. More...
const char * | osSemaphoreGetName (osSemaphoreId_t semaphore_id)
| Get name of a Semaphore object. More...
osStatus_t | osSemaphoreAcquire (osSemaphoreId_t semaphore_id, uint32_t timeout)
| Acquire a Semaphore token or timeout if no tokens are available. More...
osStatus_t | osSemaphoreRelease (osSemaphoreId_t semaphore_id)
| Release a Semaphore token up to the initial maximum count. More...
uint32_t | osSemaphoreGetCount (osSemaphoreId_t semaphore_id)
| Get current Semaphore token count. More...
osStatus_t | osSemaphoreDelete (osSemaphoreId_t semaphore_id)
| Delete a Semaphore object. More...
osMemoryPoolId_t | osMemoryPoolNew (uint32_t block_count, uint32_t block_size, const osMemoryPoolAttr_t *attr)
| Create and Initialize a Memory Pool object. More...
const char * | osMemoryPoolGetName (osMemoryPoolId_t mp_id)
| Get name of a Memory Pool object. More...
void * | osMemoryPoolAlloc (osMemoryPoolId_t mp_id, uint32_t timeout)
| Allocate a memory block from a Memory Pool. More...
osStatus_t | osMemoryPoolFree (osMemoryPoolId_t mp_id, void *block)
| Return an allocated memory block back to a Memory Pool. More...
uint32_t | osMemoryPoolGetCapacity (osMemoryPoolId_t mp_id)
| Get maximum number of memory blocks in a Memory Pool. More...
uint32_t | osMemoryPoolGetBlockSize (osMemoryPoolId_t mp_id)
| Get memory block size in a Memory Pool. More...
uint32_t | osMemoryPoolGetCount (osMemoryPoolId_t mp_id)
| Get number of memory blocks used in a Memory Pool. More...
uint32_t | osMemoryPoolGetSpace (osMemoryPoolId_t mp_id)
| Get number of memory blocks available in a Memory Pool. More...
osStatus_t | osMemoryPoolDelete (osMemoryPoolId_t mp_id)
| Delete a Memory Pool object. More...
osMessageQueueId_t | osMessageQueueNew (uint32_t msg_count, uint32_t msg_size, const osMessageQueueAttr_t *attr)
| Create and Initialize a Message Queue object. More...
const char * | osMessageQueueGetName (osMessageQueueId_t mq_id)
| Get name of a Message Queue object. More...
osStatus_t | osMessageQueuePut (osMessageQueueId_t mq_id, const void *msg_ptr, uint8_t msg_prio, uint32_t timeout)
| Put a Message into a Queue or timeout if Queue is full. More...
osStatus_t | osMessageQueueGet (osMessageQueueId_t mq_id, void *msg_ptr, uint8_t *msg_prio, uint32_t timeout)
| Get a Message from a Queue or timeout if Queue is empty. More...
uint32_t | osMessageQueueGetCapacity (osMessageQueueId_t mq_id)
| Get maximum number of messages in a Message Queue. More...
uint32_t | osMessageQueueGetMsgSize (osMessageQueueId_t mq_id)
| Get maximum message size in a Memory Pool. More...
uint32_t | osMessageQueueGetCount (osMessageQueueId_t mq_id)
| Get number of queued messages in a Message Queue. More...
uint32_t | osMessageQueueGetSpace (osMessageQueueId_t mq_id)
| Get number of available slots for messages in a Message Queue. More...
osStatus_t | osMessageQueueReset (osMessageQueueId_t mq_id)
| Reset a Message Queue to initial empty state. More...
osStatus_t | osMessageQueueDelete (osMessageQueueId_t mq_id)
| Delete a Message Queue object. More...

## Macro Definition Documentation

#define __NO_RETURN

#define osFlagsError 0x80000000U

#define TZ_MODULEID_T

## Typedef Documentation

typedef void* osMessageQueueId_t

Message Queue ID identifies the message queue.

typedef uint32_t TZ_ModuleId_t

Data type that identifies secure software modules called by a process.