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https://github.com/DarkFlippers/unleashed-firmware
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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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/* --------------------------------------------------------------------------
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* Copyright (c) 2013-2020 Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Name: freertos_mpool.h
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* Purpose: CMSIS RTOS2 wrapper for FreeRTOS
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*
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*---------------------------------------------------------------------------*/
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#ifndef FREERTOS_MPOOL_H_
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#define FREERTOS_MPOOL_H_
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#include <stdint.h>
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#include "FreeRTOS.h"
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#include "semphr.h"
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/* Memory Pool implementation definitions */
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#define MPOOL_STATUS 0x5EED0000U
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/* Memory Block header */
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typedef struct {
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void *next; /* Pointer to next block */
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} MemPoolBlock_t;
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/* Memory Pool control block */
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typedef struct MemPoolDef_t {
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MemPoolBlock_t *head; /* Pointer to head block */
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SemaphoreHandle_t sem; /* Pool semaphore handle */
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uint8_t *mem_arr; /* Pool memory array */
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uint32_t mem_sz; /* Pool memory array size */
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const char *name; /* Pointer to name string */
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uint32_t bl_sz; /* Size of a single block */
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uint32_t bl_cnt; /* Number of blocks */
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uint32_t n; /* Block allocation index */
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volatile uint32_t status; /* Object status flags */
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#if (configSUPPORT_STATIC_ALLOCATION == 1)
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StaticSemaphore_t mem_sem; /* Semaphore object memory */
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#endif
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} MemPool_t;
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/* No need to hide static object type, just align to coding style */
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#define StaticMemPool_t MemPool_t
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/* Define memory pool control block size */
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#define MEMPOOL_CB_SIZE (sizeof(StaticMemPool_t))
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/* Define size of the byte array required to create count of blocks of given size */
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#define MEMPOOL_ARR_SIZE(bl_count, bl_size) (((((bl_size) + (4 - 1)) / 4) * 4)*(bl_count))
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#endif /* FREERTOS_MPOOL_H_ */
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