766 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			766 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*
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|  * OS Abstraction Layer Extension - the APIs defined by the "extension" API
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|  * are only supported by a subset of all operating systems.
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|  *
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|  * Copyright (C) 1999-2019, Broadcom.
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|  *
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|  *      Unless you and Broadcom execute a separate written software license
 | |
|  * agreement governing use of this software, this software is licensed to you
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|  * under the terms of the GNU General Public License version 2 (the "GPL"),
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|  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
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|  * following added to such license:
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|  *
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|  *      As a special exception, the copyright holders of this software give you
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|  * permission to link this software with independent modules, and to copy and
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|  * distribute the resulting executable under terms of your choice, provided that
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|  * you also meet, for each linked independent module, the terms and conditions of
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|  * the license of that module.  An independent module is a module which is not
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|  * derived from this software.  The special exception does not apply to any
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|  * modifications of the software.
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|  *
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|  *      Notwithstanding the above, under no circumstances may you combine this
 | |
|  * software in any way with any other Broadcom software provided under a license
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|  * other than the GPL, without Broadcom's express prior written consent.
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|  *
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|  *
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|  * <<Broadcom-WL-IPTag/Open:>>
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|  *
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|  * $Id: osl_ext.h 759145 2018-04-24 05:09:37Z $
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|  */
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| 
 | |
| #ifndef _osl_ext_h_
 | |
| #define _osl_ext_h_
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| 
 | |
| /* ---- Include Files ---------------------------------------------------- */
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| 
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| #if defined(TARGETOS_symbian)
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| 	#include <e32def.h>
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| 	#include <symbian_osl_ext.h>
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| #elif defined(THREADX)
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| 	#include <threadx_osl_ext.h>
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| #else
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| 	#define OSL_EXT_DISABLED
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| #endif // endif
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| 
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| /* Include base operating system abstraction. */
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| #include <osl.h>
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif // endif
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| 
 | |
| /* ---- Constants and Types ---------------------------------------------- */
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| 
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| /* -----------------------------------------------------------------------
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|  * Generic OS types.
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|  */
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| typedef enum osl_ext_status_t
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| {
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| 	OSL_EXT_SUCCESS,
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| 	OSL_EXT_ERROR,
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| 	OSL_EXT_TIMEOUT
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| 
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| } osl_ext_status_t;
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| #define OSL_EXT_STATUS_DECL(status)	osl_ext_status_t status;
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| 
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| #define OSL_EXT_TIME_FOREVER ((osl_ext_time_ms_t)(-1))
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| typedef unsigned int osl_ext_time_ms_t;
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| typedef unsigned int osl_ext_time_us_t;
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| 
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| typedef unsigned int osl_ext_event_bits_t;
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| 
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| typedef unsigned int osl_ext_interrupt_state_t;
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| 
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| /* -----------------------------------------------------------------------
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|  * Timers.
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|  */
 | |
| typedef enum
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| {
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| 	/* One-shot timer. */
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| 	OSL_EXT_TIMER_MODE_ONCE,
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| 
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| 	/* Periodic timer. */
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| 	OSL_EXT_TIMER_MODE_REPEAT
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| 
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| } osl_ext_timer_mode_t;
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| 
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| /* User registered callback and parameter to invoke when timer expires. */
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| typedef void* osl_ext_timer_arg_t;
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| typedef void (*osl_ext_timer_callback)(osl_ext_timer_arg_t arg);
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| 
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| /* -----------------------------------------------------------------------
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|  * Tasks.
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|  */
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| 
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| /* Task entry argument. */
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| typedef void* osl_ext_task_arg_t;
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| 
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| /* Task entry function. */
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| typedef void (*osl_ext_task_entry)(osl_ext_task_arg_t arg);
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| 
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| /* Abstract task priority levels. */
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| typedef enum
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| {
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| 	OSL_EXT_TASK_IDLE_PRIORITY,
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| 	OSL_EXT_TASK_LOW_PRIORITY,
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| 	OSL_EXT_TASK_LOW_NORMAL_PRIORITY,
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| 	OSL_EXT_TASK_NORMAL_PRIORITY,
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| 	OSL_EXT_TASK_HIGH_NORMAL_PRIORITY,
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| 	OSL_EXT_TASK_HIGHEST_PRIORITY,
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| 	OSL_EXT_TASK_TIME_CRITICAL_PRIORITY,
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| 
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| 	/* This must be last. */
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| 	OSL_EXT_TASK_NUM_PRIORITES
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| } osl_ext_task_priority_t;
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| 
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| #ifndef OSL_EXT_DISABLED
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| 
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| /* ---- Variable Externs ------------------------------------------------- */
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| /* ---- Function Prototypes ---------------------------------------------- */
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| 
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| /* --------------------------------------------------------------------------
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| ** Semaphore
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| */
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| 
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| /****************************************************************************
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| * Function:   osl_ext_sem_create
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| *
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| * Purpose:    Creates a counting semaphore object, which can subsequently be
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| *             used for thread notification.
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| *
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| * Parameters: name     (in)  Name to assign to the semaphore (must be unique).
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| *             init_cnt (in)  Initial count that the semaphore should have.
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| *             sem      (out) Newly created semaphore.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the semaphore was created successfully, or an
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| *             error code if the semaphore could not be created.
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| *****************************************************************************
 | |
| */
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| osl_ext_status_t osl_ext_sem_create(char *name, int init_cnt, osl_ext_sem_t *sem);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_sem_delete
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| *
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| * Purpose:    Destroys a previously created semaphore object.
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| *
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| * Parameters: sem (mod) Semaphore object to destroy.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the semaphore was deleted successfully, or an
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| *             error code if the semaphore could not be created.
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| *****************************************************************************
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| */
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| osl_ext_status_t osl_ext_sem_delete(osl_ext_sem_t *sem);
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| 
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| /****************************************************************************
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| * Function:   osl_ext_sem_give
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| *
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| * Purpose:    Increments the count associated with the semaphore. This will
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| *             cause one thread blocked on a take to wake up.
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| *
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| * Parameters: sem (mod) Semaphore object to give.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the semaphore was given successfully, or an
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| *             error code if the semaphore could not be created.
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| *****************************************************************************
 | |
| */
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| osl_ext_status_t osl_ext_sem_give(osl_ext_sem_t *sem);
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| 
 | |
| /****************************************************************************
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| * Function:   osl_ext_sem_take
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| *
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| * Purpose:    Decrements the count associated with the semaphore. If the count
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| *             is less than zero, then the calling task will become blocked until
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| *             another thread does a give on the semaphore. This function will only
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| *             block the calling thread for timeout_msec milliseconds, before
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| *             returning with OSL_EXT_TIMEOUT.
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| *
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| * Parameters: sem          (mod) Semaphore object to take.
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| *             timeout_msec (in)  Number of milliseconds to wait for the
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| *                                semaphore to enter a state where it can be
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| *                                taken.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the semaphore was taken successfully, or an
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| *             error code if the semaphore could not be created.
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| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_sem_take(osl_ext_sem_t *sem, osl_ext_time_ms_t timeout_msec);
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| 
 | |
| /* --------------------------------------------------------------------------
 | |
| ** Mutex
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| */
 | |
| 
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| /****************************************************************************
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| * Function:   osl_ext_mutex_create
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| *
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| * Purpose:    Creates a mutex object, which can subsequently be used to control
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| *             mutually exclusion of resources.
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| *
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| * Parameters: name  (in)  Name to assign to the mutex (must be unique).
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| *             mutex (out) Mutex object to initialize.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the mutex was created successfully, or an
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| *             error code if the mutex could not be created.
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| *****************************************************************************
 | |
| */
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| osl_ext_status_t osl_ext_mutex_create(char *name, osl_ext_mutex_t *mutex);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_mutex_delete
 | |
| *
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| * Purpose:    Destroys a previously created mutex object.
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| *
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| * Parameters: mutex (mod) Mutex object to destroy.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the mutex was deleted successfully, or an
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| *             error code if the mutex could not be created.
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| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_mutex_delete(osl_ext_mutex_t *mutex);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_mutex_acquire
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| *
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| * Purpose:    Acquires the indicated mutual exclusion object. If the object is
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| *             currently acquired by another task, then this function will wait
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| *             for timeout_msec milli-seconds before returning with OSL_EXT_TIMEOUT.
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| *
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| * Parameters: mutex        (mod) Mutex object to acquire.
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| *             timeout_msec (in)  Number of milliseconds to wait for the mutex.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the mutex was acquired successfully, or an
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| *             error code if the mutex could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_mutex_acquire(osl_ext_mutex_t *mutex, osl_ext_time_ms_t timeout_msec);
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| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_mutex_release
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| *
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| * Purpose:    Releases the indicated mutual exclusion object. This makes it
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| *             available for another task to acquire.
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| *
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| * Parameters: mutex (mod) Mutex object to release.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the mutex was released successfully, or an
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| *             error code if the mutex could not be created.
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| *****************************************************************************
 | |
| */
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| osl_ext_status_t osl_ext_mutex_release(osl_ext_mutex_t *mutex);
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| 
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| /* --------------------------------------------------------------------------
 | |
| ** Timers
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| */
 | |
| 
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| /****************************************************************************
 | |
| * Function:   osl_ext_timer_create
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| *
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| * Purpose:    Creates a timer object.
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| *
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| * Parameters: name (in)         Name of timer.
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| *             timeout_msec (in) Invoke callback after this number of milliseconds.
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| *             mode (in)         One-shot or periodic timer.
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| *             func (in)         Callback function to invoke on timer expiry.
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| *             arg (in)          Argument to callback function.
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| *             timer (out)       Timer object to create.
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| *
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| * Note: The function callback occurs in interrupt context. The application is
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| *       required to provide context switch for the callback if required.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the timer was created successfully, or an
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| *             error code if the timer could not be created.
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| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t
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| osl_ext_timer_create(char *name, osl_ext_time_ms_t timeout_msec, osl_ext_timer_mode_t mode,
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|                  osl_ext_timer_callback func, osl_ext_timer_arg_t arg, osl_ext_timer_t *timer);
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| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_timer_delete
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| *
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| * Purpose:    Destroys a previously created timer object.
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| *
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| * Parameters: timer (mod) Timer object to destroy.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the timer was created successfully, or an
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| *             error code if the timer could not be created.
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| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_timer_delete(osl_ext_timer_t *timer);
 | |
| 
 | |
| /****************************************************************************
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| * Function:   osl_ext_timer_start
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| *
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| * Purpose:    Start a previously created timer object.
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| *
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| * Parameters: timer (in)        Timer object.
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| *             timeout_msec (in) Invoke callback after this number of milliseconds.
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| *             mode (in)         One-shot or periodic timer.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the timer was created successfully, or an
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| *             error code if the timer could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t
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| osl_ext_timer_start(osl_ext_timer_t *timer,
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| 	osl_ext_time_ms_t timeout_msec, osl_ext_timer_mode_t mode);
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| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_timer_start
 | |
| *
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| * Purpose:    Start a previously created timer object.
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| *
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| * Parameters: timer (in)        Timer object.
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| *             timeout_usec (in) Invoke callback after this number of micro-seconds.
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| *             mode (in)         One-shot or periodic timer.
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| *
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| * Returns:    OSL_EXT_SUCCESS if the timer was created successfully, or an
 | |
| *             error code if the timer could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t
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| osl_ext_timer_start_us(osl_ext_timer_t *timer,
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| 	osl_ext_time_us_t timeout_usec, osl_ext_timer_mode_t mode);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_timer_stop
 | |
| *
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| * Purpose:    Stop a previously created timer object.
 | |
| *
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| * Parameters: timer (in)        Timer object.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the timer was created successfully, or an
 | |
| *             error code if the timer could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t
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| osl_ext_timer_stop(osl_ext_timer_t *timer);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_time_get
 | |
| *
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| * Purpose:    Returns incrementing time counter.
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| *
 | |
| * Parameters: None.
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| *
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| * Returns:    Returns incrementing time counter in msec.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_time_ms_t osl_ext_time_get(void);
 | |
| 
 | |
| /* --------------------------------------------------------------------------
 | |
| ** Tasks
 | |
| */
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_create
 | |
| *
 | |
| * Purpose:    Create a task.
 | |
| *
 | |
| * Parameters: name       (in)  Pointer to task string descriptor.
 | |
| *             stack      (in)  Pointer to stack. NULL to allocate.
 | |
| *             stack_size (in)  Stack size - in bytes.
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| *             priority   (in)  Abstract task priority.
 | |
| *             func       (in)  A pointer to the task entry point function.
 | |
| *             arg        (in)  Value passed into task entry point function.
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| *             task       (out) Task to create.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the task was created successfully, or an
 | |
| *             error code if the task could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| 
 | |
| #define osl_ext_task_create(name, stack, stack_size, priority, func, arg, task) \
 | |
| 	   osl_ext_task_create_ex((name), (stack), (stack_size), (priority), 0, (func), \
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| 	   (arg), TRUE, (task))
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_create_ex
 | |
| *
 | |
| * Purpose:    Create a task with autostart option.
 | |
| *
 | |
| * Parameters: name       (in)  Pointer to task string descriptor.
 | |
| *             stack      (in)  Pointer to stack. NULL to allocate.
 | |
| *             stack_size (in)  Stack size - in bytes.
 | |
| *             priority   (in)  Abstract task priority.
 | |
| *             func       (in)  A pointer to the task entry point function.
 | |
| *             arg        (in)  Value passed into task entry point function.
 | |
| *             autostart  (in)  TRUE to start task after creation.
 | |
| *             task       (out) Task to create.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the task was created successfully, or an
 | |
| *             error code if the task could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| 
 | |
| osl_ext_status_t osl_ext_task_create_ex(char* name,
 | |
| 	void *stack, unsigned int stack_size, osl_ext_task_priority_t priority,
 | |
| 	osl_ext_time_ms_t timslice_msec, osl_ext_task_entry func, osl_ext_task_arg_t arg,
 | |
| 	bool autostart, osl_ext_task_t *task);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_delete
 | |
| *
 | |
| * Purpose:    Destroy a task.
 | |
| *
 | |
| * Parameters: task (mod) Task to destroy.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the task was created successfully, or an
 | |
| *             error code if the task could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_delete(osl_ext_task_t *task);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_is_running
 | |
| *
 | |
| * Purpose:    Returns current running task.
 | |
| *
 | |
| * Parameters: None.
 | |
| *
 | |
| * Returns:    osl_ext_task_t of current running task.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_task_t *osl_ext_task_current(void);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_yield
 | |
| *
 | |
| * Purpose:    Yield the CPU to other tasks of the same priority that are
 | |
| *             ready-to-run.
 | |
| *
 | |
| * Parameters: None.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if successful, else error code.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_yield(void);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_yield
 | |
| *
 | |
| * Purpose:    Yield the CPU to other tasks of the same priority that are
 | |
| *             ready-to-run.
 | |
| *
 | |
| * Parameters: None.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if successful, else error code.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_yield(void);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_suspend
 | |
| *
 | |
| * Purpose:    Suspend a task.
 | |
| *
 | |
| * Parameters: task (mod) Task to suspend.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the task was suspended successfully, or an
 | |
| *             error code if the task could not be suspended.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_suspend(osl_ext_task_t *task);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_resume
 | |
| *
 | |
| * Purpose:    Resume a task.
 | |
| *
 | |
| * Parameters: task (mod) Task to resume.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the task was resumed successfully, or an
 | |
| *             error code if the task could not be resumed.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_resume(osl_ext_task_t *task);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_task_enable_stack_check
 | |
| *
 | |
| * Purpose:    Enable task stack checking.
 | |
| *
 | |
| * Parameters: None.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if successful, else error code.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_task_enable_stack_check(void);
 | |
| 
 | |
| /* --------------------------------------------------------------------------
 | |
| ** Queue
 | |
| */
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_create
 | |
| *
 | |
| * Purpose:    Create a queue.
 | |
| *
 | |
| * Parameters: name     (in)  Name to assign to the queue (must be unique).
 | |
| *             buffer   (in)  Queue buffer. NULL to allocate.
 | |
| *             size     (in)  Size of the queue.
 | |
| *             queue    (out) Newly created queue.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the queue was created successfully, or an
 | |
| *             error code if the queue could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_create(char *name,
 | |
| 	void *queue_buffer, unsigned int queue_size,
 | |
| 	osl_ext_queue_t *queue);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_delete
 | |
| *
 | |
| * Purpose:    Destroys a previously created queue object.
 | |
| *
 | |
| * Parameters: queue    (mod) Queue object to destroy.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the queue was deleted successfully, or an
 | |
| *             error code if the queue could not be deleteed.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_delete(osl_ext_queue_t *queue);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_send
 | |
| *
 | |
| * Purpose:    Send/add data to the queue. This function will not block the
 | |
| *             calling thread if the queue is full.
 | |
| *
 | |
| * Parameters: queue    (mod) Queue object.
 | |
| *             data     (in)  Data pointer to be queued.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the data was queued successfully, or an
 | |
| *             error code if the data could not be queued.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_send(osl_ext_queue_t *queue, void *data);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_send_synchronous
 | |
| *
 | |
| * Purpose:    Send/add data to the queue. This function will block the
 | |
| *             calling thread until the data is dequeued.
 | |
| *
 | |
| * Parameters: queue    (mod) Queue object.
 | |
| *             data     (in)  Data pointer to be queued.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the data was queued successfully, or an
 | |
| *             error code if the data could not be queued.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_send_synchronous(osl_ext_queue_t *queue, void *data);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_receive
 | |
| *
 | |
| * Purpose:    Receive/remove data from the queue. This function will only
 | |
| *             block the calling thread for timeout_msec milliseconds, before
 | |
| *             returning with OSL_EXT_TIMEOUT.
 | |
| *
 | |
| * Parameters: queue        (mod) Queue object.
 | |
| *             timeout_msec (in)  Number of milliseconds to wait for the
 | |
| *                                data from the queue.
 | |
| *             data         (out) Data pointer received/removed from the queue.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the data was dequeued successfully, or an
 | |
| *             error code if the data could not be dequeued.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_receive(osl_ext_queue_t *queue,
 | |
|                  osl_ext_time_ms_t timeout_msec, void **data);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_queue_count
 | |
| *
 | |
| * Purpose:    Returns the number of items in the queue.
 | |
| *
 | |
| * Parameters: queue        (mod) Queue object.
 | |
| *             count        (out) Data pointer received/removed from the queue.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the count was returned successfully, or an
 | |
| *             error code if the count is invalid.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_queue_count(osl_ext_queue_t *queue, int *count);
 | |
| 
 | |
| /* --------------------------------------------------------------------------
 | |
| ** Event
 | |
| */
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_event_create
 | |
| *
 | |
| * Purpose:    Creates a event object, which can subsequently be used to
 | |
| *             notify and trigger tasks.
 | |
| *
 | |
| * Parameters: name  (in)  Name to assign to the event (must be unique).
 | |
| *             event (out) Event object to initialize.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the event was created successfully, or an
 | |
| *             error code if the event could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_event_create(char *name, osl_ext_event_t *event);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_event_delete
 | |
| *
 | |
| * Purpose:    Destroys a previously created event object.
 | |
| *
 | |
| * Parameters: event (mod) Event object to destroy.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the event was created successfully, or an
 | |
| *             error code if the event could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_event_delete(osl_ext_event_t *event);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_event_get
 | |
| *
 | |
| * Purpose:    Get event from specified event object.
 | |
| *
 | |
| * Parameters: event        (mod) Event object to get.
 | |
| *             requested    (in)  Requested event to get.
 | |
| *             timeout_msec (in)  Number of milliseconds to wait for the event.
 | |
| *             event_bits   (out) Event bits retrieved.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the event was created successfully, or an
 | |
| *             error code if the event could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_event_get(osl_ext_event_t *event,
 | |
| 	osl_ext_event_bits_t requested,	osl_ext_time_ms_t timeout_msec,
 | |
| 	osl_ext_event_bits_t *event_bits);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_event_set
 | |
| *
 | |
| * Purpose:    Set event of specified event object.
 | |
| *
 | |
| * Parameters: event      (mod) Event object to set.
 | |
| *             event_bits (in)  Event bits to set.
 | |
| *
 | |
| * Returns:    OSL_EXT_SUCCESS if the event was created successfully, or an
 | |
| *             error code if the event could not be created.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_status_t osl_ext_event_set(osl_ext_event_t *event,
 | |
| 	osl_ext_event_bits_t event_bits);
 | |
| 
 | |
| /* --------------------------------------------------------------------------
 | |
| ** Interrupt
 | |
| */
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_interrupt_disable
 | |
| *
 | |
| * Purpose:    Disable CPU interrupt.
 | |
| *
 | |
| * Parameters: None.
 | |
| *
 | |
| * Returns:    The interrupt state before disable for restoring interrupt.
 | |
| *****************************************************************************
 | |
| */
 | |
| osl_ext_interrupt_state_t osl_ext_interrupt_disable(void);
 | |
| 
 | |
| /****************************************************************************
 | |
| * Function:   osl_ext_interrupt_restore
 | |
| *
 | |
| * Purpose:    Restore CPU interrupt state.
 | |
| *
 | |
| * Parameters: state (in)  Interrupt state to restore returned from
 | |
| *                         osl_ext_interrupt_disable().
 | |
| *
 | |
| * Returns:   None.
 | |
| *****************************************************************************
 | |
| */
 | |
| void osl_ext_interrupt_restore(osl_ext_interrupt_state_t state);
 | |
| 
 | |
| #else
 | |
| 
 | |
| /* ---- Constants and Types ---------------------------------------------- */
 | |
| 
 | |
| /* Interrupt control */
 | |
| #define OSL_INTERRUPT_SAVE_AREA
 | |
| #define OSL_DISABLE
 | |
| #define OSL_RESTORE
 | |
| 
 | |
| /* Semaphore. */
 | |
| #define osl_ext_sem_t
 | |
| #define OSL_EXT_SEM_DECL(sem)
 | |
| 
 | |
| /* Mutex. */
 | |
| #define osl_ext_mutex_t
 | |
| #define OSL_EXT_MUTEX_DECL(mutex)
 | |
| 
 | |
| /* Timer. */
 | |
| #define osl_ext_timer_t
 | |
| #define OSL_EXT_TIMER_DECL(timer)
 | |
| 
 | |
| /* Task. */
 | |
| #define osl_ext_task_t void
 | |
| #define OSL_EXT_TASK_DECL(task)
 | |
| 
 | |
| /* Queue. */
 | |
| #define osl_ext_queue_t
 | |
| #define OSL_EXT_QUEUE_DECL(queue)
 | |
| 
 | |
| /* Event. */
 | |
| #define osl_ext_event_t
 | |
| #define OSL_EXT_EVENT_DECL(event)
 | |
| 
 | |
| /* ---- Variable Externs ------------------------------------------------- */
 | |
| /* ---- Function Prototypes ---------------------------------------------- */
 | |
| 
 | |
| #define osl_ext_sem_create(name, init_cnt, sem)		(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_sem_delete(sem)				(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_sem_give(sem)				(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_sem_take(sem, timeout_msec)		(OSL_EXT_SUCCESS)
 | |
| 
 | |
| #define osl_ext_mutex_create(name, mutex)		(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_mutex_delete(mutex)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_mutex_acquire(mutex, timeout_msec)	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_mutex_release(mutex)			(OSL_EXT_SUCCESS)
 | |
| 
 | |
| #define osl_ext_timer_create(name, timeout_msec, mode, func, arg, timer) \
 | |
| 	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_timer_delete(timer)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_timer_start(timer, timeout_msec, mode)	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_timer_stop(timer)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_time_get()				(0)
 | |
| 
 | |
| #define osl_ext_task_create(name, stack, stack_size, priority, func, arg, task) \
 | |
| 	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_task_delete(task)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_task_current()				(NULL)
 | |
| #define osl_ext_task_yield()				(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_task_enable_stack_check()		(OSL_EXT_SUCCESS)
 | |
| 
 | |
| #define osl_ext_queue_create(name, queue_buffer, queue_size, queue) \
 | |
| 	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_queue_delete(queue)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_queue_send(queue, data)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_queue_send_synchronous(queue, data)	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_queue_receive(queue, timeout_msec, data) \
 | |
| 	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_queue_count(queue, count)		(OSL_EXT_SUCCESS)
 | |
| 
 | |
| #define osl_ext_event_create(name, event)		(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_event_delete(event)			(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_event_get(event, requested, timeout_msec, event_bits) \
 | |
| 	(OSL_EXT_SUCCESS)
 | |
| #define osl_ext_event_set(event, event_bits)		(OSL_EXT_SUCCESS)
 | |
| 
 | |
| #define osl_ext_interrupt_disable(void)
 | |
| #define osl_ext_interrupt_restore(state)
 | |
| 
 | |
| #endif	/* OSL_EXT_DISABLED */
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| }
 | |
| #endif // endif
 | |
| 
 | |
| #endif	/* _osl_ext_h_ */
 | 
