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64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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/*****************************************************************************
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* @file osal.h
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* @author MDG
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* @brief This header file defines the OS abstraction layer used by
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* the BLE stack. OSAL defines the set of functions which needs to be
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* ported to target operating system and target platform.
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* Actually, only memset, memcpy and memcmp wrappers are defined.
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*****************************************************************************
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* @attention
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*
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* Copyright (c) 2018-2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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*****************************************************************************
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*/
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#ifndef OSAL_H__
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#define OSAL_H__
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/**
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* This function copies size number of bytes from a
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* memory location pointed by src to a destination
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* memory location pointed by dest
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*
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* @param[in] dest Destination address
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* @param[in] src Source address
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* @param[in] size size in the bytes
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*
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* @return Address of the destination
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*/
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extern void* Osal_MemCpy(void* dest, const void* src, unsigned int size);
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/**
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* This function sets first number of bytes, specified
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* by size, to the destination memory pointed by ptr
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* to the specified value
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*
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* @param[in] ptr Destination address
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* @param[in] value Value to be set
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* @param[in] size Size in the bytes
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*
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* @return Address of the destination
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*/
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extern void* Osal_MemSet(void* ptr, int value, unsigned int size);
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/**
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* This function compares n bytes of two regions of memory
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*
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* @param[in] s1 First buffer to compare.
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* @param[in] s2 Second buffer to compare.
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* @param[in] size Number of bytes to compare.
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*
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* @return 0 if the two buffers are equal, 1 otherwise
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*/
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extern int Osal_MemCmp(const void* s1, const void* s2, unsigned int size);
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#endif /* OSAL_H__ */
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