first

Utilities/misc/stm32_mem.c

@@ -0,0 +1,61 @@
+/**
+  ******************************************************************************
+  * @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;
+  }
+}