fsl_rtos_abstraction.h

/*
 * Copyright (c) 2013, Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#if !defined(__FSL_RTOS_ABSTRACTION_H__)
#define __FSL_RTOS_ABSTRACTION_H__

#include <stdint.h>
#include <stdbool.h>


// Declarations
typedef enum _osa_status_t
{
    kStatus_OSA_Success = 0U, 
    kStatus_OSA_Error = 1U,   
    kStatus_OSA_Timeout = 2U, 
    kStatus_OSA_Idle = 3U     
} osa_status_t;

typedef struct Semaphore
{
    volatile bool isWaiting;   
    volatile uint8_t semCount; 
    uint64_t tickStart;        
    uint32_t timeout;          
} semaphore_t;

typedef volatile int32_t sync_object_t;

typedef volatile uint32_t lock_object_t;

enum sync_timeouts
{
    kSyncWaitForever = 0xffffffffU
};

// API

#if defined(__cplusplus)
extern "C" {
#endif



osa_status_t OSA_SemaCreate(semaphore_t *pSem, uint8_t initValue);

osa_status_t OSA_SemaWait(semaphore_t *pSem, uint32_t timeout);

osa_status_t OSA_SemaPost(semaphore_t *pSem);

osa_status_t OSA_SemaDestroy(semaphore_t *pSem);

void OSA_TimeDelay(uint32_t delay);





void sync_init(sync_object_t *obj, bool state);

bool sync_wait(sync_object_t *obj, uint32_t timeout);

void sync_signal(sync_object_t *obj);

void sync_reset(sync_object_t *obj);





void lock_init(void);

void lock_acquire(void);

void lock_release(void);



#if defined(__cplusplus)
}
#endif

#endif // __FSL_RTOS_ABSTRACTION_H__
// EOF