STM32CubeWL/Utilities/misc/stm32_mem.c

62 lines
1.9 KiB
C

/**
******************************************************************************
* @file stm32_mem.c
* @author MCD Application Team
* @brief standard memory operation
******************************************************************************
* @attention
*
* Copyright (c) 2019 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stdint.h"
#include "stm32_mem.h"
/* Private typedef -----------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Global variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Functions Definition ------------------------------------------------------*/
void UTIL_MEM_cpy_8( void *dst, const void *src, uint16_t size )
{
uint8_t* dst8= (uint8_t *) dst;
uint8_t* src8= (uint8_t *) src;
while( size-- )
{
*dst8++ = *src8++;
}
}
void UTIL_MEM_cpyr_8( void *dst, const void *src, uint16_t size )
{
uint8_t* dst8= (uint8_t *) dst;
uint8_t* src8= (uint8_t *) src;
dst8 = dst8 + ( size - 1 );
while( size-- )
{
*dst8-- = *src8++;
}
}
void UTIL_MEM_set_8( void *dst, uint8_t value, uint16_t size )
{
uint8_t* dst8= (uint8_t *) dst;
while( size-- )
{
*dst8++ = value;
}
}