- Added osMemoryPool functions.

Author: VladimirUmek

ARM.CMSIS-FreeRTOS.pdsc

@@ -8,6 +8,9 @@
   <license>License/license.txt</license>
 
   <releases>
+    <release version="10.2.1-dev2">
+      - Added implementation of the osMemoryPool functions using FreeRTOS
+    </release>
     <release version="10.2.1-dev1">
       - Updated to FreeRTOS 10.2.1
     </release>  
@@ -659,6 +662,7 @@
       </RTE_Components_h>
       <files>
         <file category="doc"    name="CMSIS/Documentation/General/html/index.html"/>
+        <file category="header" name="CMSIS/RTOS2/FreeRTOS/Include/freertos_mpool.h"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/cmsis_os2.c"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/ARM/clib_arm.c" condition="ARMCC"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/ARM/clib_arm.c" condition="ARMCC6"/>
@@ -676,6 +680,7 @@
       </RTE_Components_h>
       <files>
         <file category="doc"    name="CMSIS/Documentation/General/html/index.html"/>
+        <file category="header" name="CMSIS/RTOS2/FreeRTOS/Include/freertos_mpool.h"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/cmsis_os2.c"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/ARM/clib_arm.c" condition="ARMCC"/>
         <file category="source" name="CMSIS/RTOS2/FreeRTOS/Source/ARM/clib_arm.c" condition="ARMCC6"/>

CMSIS/RTOS2/FreeRTOS/Include/freertos_mpool.h

@@ -0,0 +1,63 @@
+/* --------------------------------------------------------------------------
+ * Copyright (c) 2013-2019 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *      Name:    freertos_mpool.h
+ *      Purpose: CMSIS RTOS2 wrapper for FreeRTOS
+ *
+ *---------------------------------------------------------------------------*/
+
+#ifndef FREERTOS_MPOOL_H_
+#define FREERTOS_MPOOL_H_
+
+#include <stdint.h>
+#include "FreeRTOS.h"
+#include "semphr.h"
+
+/* Memory Pool implementation definitions */
+#define MPOOL_STATUS              0x5EED0000U
+#define MPOOL_SEM                 StaticSemaphore_t
+
+/* Memory Block header */
+typedef struct {
+  void *next;                   /* Pointer to next block  */
+} MPOOL_BLOCK;
+
+/* Memory Pool control block */
+typedef struct MemPoolDef_t {
+  MPOOL_BLOCK *head;            /* Pointer to head block  */
+  MPOOL_SEM    sem;             /* Pool semaphore object  */
+  uint8_t     *mem_arr;         /* Pool memory array      */
+  uint32_t     mem_sz;          /* Pool memory array size */
+  const
+  char        *name;            /* Pointer to name string */
+  uint32_t     bl_sz;           /* Size of a single block */
+  uint32_t     bl_cnt;          /* Number of blocks       */
+  uint32_t     n;               /* Block allocation index */
+  volatile
+  uint32_t     status;          /* Object status flags    */
+} MemPool_t;
+
+/* No need to hide static object type, just align to coding style */
+#define StaticMemPool_t         MemPool_t
+
+/* Define memory pool control block size */
+#define MEMPOOL_CB_SIZE         (sizeof(StaticMemPool_t))
+
+/* Define size of the byte array required to create count of blocks of given size */
+#define MEMPOOL_ARR_SIZE(bl_count, bl_size) (((((bl_size) + (4 - 1)) / 4) * 4)*(bl_count))
+
+#endif /* FREERTOS_MPOOL_H_ */