Bruno Cavalcanti / Mbed 2 deprecated brunoDrome

teste de publish

Dependencies:   DS1820 HighSpeedAnalogIn devices mbed

mbed-rtos/rtos/MemoryPool.h@38:07d3907b74e5, 2018-06-08 (annotated)

Committer:
brunofgc
Date:
Fri Jun 08 22:14:21 2018 +0000
Revision:
38:07d3907b74e5
Parent:
0:1c0a769988ee 
teste de publish para compilar no mbed-cli

Who changed what in which revision?

UserRevisionLine numberNew contents of line
brunofgc 0:1c0a769988ee 1 /* mbed Microcontroller Library
brunofgc 0:1c0a769988ee 2 * Copyright (c) 2006-2012 ARM Limited
brunofgc 0:1c0a769988ee 3 *
brunofgc 0:1c0a769988ee 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
brunofgc 0:1c0a769988ee 5 * of this software and associated documentation files (the "Software"), to deal
brunofgc 0:1c0a769988ee 6 * in the Software without restriction, including without limitation the rights
brunofgc 0:1c0a769988ee 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
brunofgc 0:1c0a769988ee 8 * copies of the Software, and to permit persons to whom the Software is
brunofgc 0:1c0a769988ee 9 * furnished to do so, subject to the following conditions:
brunofgc 0:1c0a769988ee 10 *
brunofgc 0:1c0a769988ee 11 * The above copyright notice and this permission notice shall be included in
brunofgc 0:1c0a769988ee 12 * all copies or substantial portions of the Software.
brunofgc 0:1c0a769988ee 13 *
brunofgc 0:1c0a769988ee 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
brunofgc 0:1c0a769988ee 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
brunofgc 0:1c0a769988ee 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
brunofgc 0:1c0a769988ee 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
brunofgc 0:1c0a769988ee 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
brunofgc 0:1c0a769988ee 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
brunofgc 0:1c0a769988ee 20 * SOFTWARE.
brunofgc 0:1c0a769988ee 21 */
brunofgc 0:1c0a769988ee 22 #ifndef MEMORYPOOL_H
brunofgc 0:1c0a769988ee 23 #define MEMORYPOOL_H
brunofgc 0:1c0a769988ee 24
brunofgc 0:1c0a769988ee 25 #include <stdint.h>
brunofgc 0:1c0a769988ee 26 #include <string.h>
brunofgc 0:1c0a769988ee 27
brunofgc 0:1c0a769988ee 28 #include "cmsis_os.h"
brunofgc 0:1c0a769988ee 29
brunofgc 0:1c0a769988ee 30 namespace rtos {
brunofgc 0:1c0a769988ee 31
brunofgc 0:1c0a769988ee 32 /** Define and manage fixed-size memory pools of objects of a given type.
brunofgc 0:1c0a769988ee 33 @tparam T data type of a single object (element).
brunofgc 0:1c0a769988ee 34 @tparam queue_sz maximum number of objects (elements) in the memory pool.
brunofgc 0:1c0a769988ee 35 */
brunofgc 0:1c0a769988ee 36 template<typename T, uint32_t pool_sz>
brunofgc 0:1c0a769988ee 37 class MemoryPool {
brunofgc 0:1c0a769988ee 38 public:
brunofgc 0:1c0a769988ee 39 /** Create and Initialize a memory pool. */
brunofgc 0:1c0a769988ee 40 MemoryPool() {
brunofgc 0:1c0a769988ee 41 #ifdef CMSIS_OS_RTX
brunofgc 0:1c0a769988ee 42 memset(_pool_m, 0, sizeof(_pool_m));
brunofgc 0:1c0a769988ee 43 _pool_def.pool = _pool_m;
brunofgc 0:1c0a769988ee 44
brunofgc 0:1c0a769988ee 45 _pool_def.pool_sz = pool_sz;
brunofgc 0:1c0a769988ee 46 _pool_def.item_sz = sizeof(T);
brunofgc 0:1c0a769988ee 47 #endif
brunofgc 0:1c0a769988ee 48 _pool_id = osPoolCreate(&_pool_def);
brunofgc 0:1c0a769988ee 49 }
brunofgc 0:1c0a769988ee 50
brunofgc 0:1c0a769988ee 51 /** Allocate a memory block of type T from a memory pool.
brunofgc 0:1c0a769988ee 52 @return address of the allocated memory block or NULL in case of no memory available.
brunofgc 0:1c0a769988ee 53 */
brunofgc 0:1c0a769988ee 54 T* alloc(void) {
brunofgc 0:1c0a769988ee 55 return (T*)osPoolAlloc(_pool_id);
brunofgc 0:1c0a769988ee 56 }
brunofgc 0:1c0a769988ee 57
brunofgc 0:1c0a769988ee 58 /** Allocate a memory block of type T from a memory pool and set memory block to zero.
brunofgc 0:1c0a769988ee 59 @return address of the allocated memory block or NULL in case of no memory available.
brunofgc 0:1c0a769988ee 60 */
brunofgc 0:1c0a769988ee 61 T* calloc(void) {
brunofgc 0:1c0a769988ee 62 return (T*)osPoolCAlloc(_pool_id);
brunofgc 0:1c0a769988ee 63 }
brunofgc 0:1c0a769988ee 64
brunofgc 0:1c0a769988ee 65 /** Return an allocated memory block back to a specific memory pool.
brunofgc 0:1c0a769988ee 66 @param address of the allocated memory block that is returned to the memory pool.
brunofgc 0:1c0a769988ee 67 @return status code that indicates the execution status of the function.
brunofgc 0:1c0a769988ee 68 */
brunofgc 0:1c0a769988ee 69 osStatus free(T *block) {
brunofgc 0:1c0a769988ee 70 return osPoolFree(_pool_id, (void*)block);
brunofgc 0:1c0a769988ee 71 }
brunofgc 0:1c0a769988ee 72
brunofgc 0:1c0a769988ee 73 private:
brunofgc 0:1c0a769988ee 74 osPoolId _pool_id;
brunofgc 0:1c0a769988ee 75 osPoolDef_t _pool_def;
brunofgc 0:1c0a769988ee 76 #ifdef CMSIS_OS_RTX
brunofgc 0:1c0a769988ee 77 uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
brunofgc 0:1c0a769988ee 78 #endif
brunofgc 0:1c0a769988ee 79 };
brunofgc 0:1c0a769988ee 80
brunofgc 0:1c0a769988ee 81 }
brunofgc 0:1c0a769988ee 82 #endif