更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/interface/include/luat_mem.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LUAT_MEM_H
+#define LUAT_MEM_H
+/**
+ * @defgroup luatos_mem 内存管理
+ * @{
+ */
+#include "stdint.h"
+/**
+ * @brief 在堆区分配一块指定大小的内存空间，用来存放数据
+ * 
+ * @param len 开辟内存的长度大小
+ * @return NULL 失败 !NULL 成功
+ */
+
+void* luat_heap_malloc(size_t len);
+
+/**
+ * @brief 释放ptr所指向的内存块,释放的是动态分配的内存空间
+ * 
+ * @param ptr 所指向的内存块
+ */
+void  luat_heap_free(void* ptr);
+
+/**
+ * @brief 重新分配内存，把内存扩展到 len
+ * 
+ * @param ptr 所指向的内存块
+ * @param len 长度
+ */
+void* luat_heap_realloc(void* ptr, size_t len);
+/**
+ * @brief 在内存中动态地分配 count 个长度为 size_t 的连续空间，并将每一个字节都初始化为 0
+ * 
+ * @param count 长度
+ * @param _size 数据类型
+ * @return NULL 失败 ，!NULL 成功
+ */
+void* luat_heap_calloc(size_t count, size_t _size);
+/**
+ * @brief 获取内存使用信息
+ * 
+ * @param[out] total 模组总的的内存大小
+ * @param[out] used 获取当前已分配的内存堆大小
+ * @param[out] max_used 获取当前最大已分配的内存堆大小
+ */
+void luat_meminfo_sys(size_t* total, size_t* used, size_t* max_used);
+
+
+#define LUAT_MEM_MALLOC luat_heap_malloc ///< 在堆区分配一块指定大小的内存空间，用来存放数据
+#define LUAT_MEM_FREE luat_heap_free ///< 释放ptr所指向的内存块,释放的是动态分配的内存空间
+#define LUAT_MEM_REALLOC luat_heap_realloc ///< 重新分配内存，把内存扩展到 len
+#define LUAT_MEM_CALLOC luat_heap_calloc ///< 在内存中动态地分配 count 个长度为 size_t 的连续空间，并将每一个字节都初始化为 0
+
+#define LUAT_MEM_INFO luat_meminfo_sys ///< 获取内存使用信息
+/**
+ * @}
+ */
+#endif