V M / Mbed 2 deprecated NRF24L01_receiver

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Dependencies:   mbed nRF24L01P

mbed-rtos/rtos/MemoryPool.h@0:fdfe93cb9255, 2013-05-27 (annotated)

Committer:
vmihalcut
Date:
Mon May 27 06:06:31 2013 +0000
Revision:
0:fdfe93cb9255
NRF24L01 receiver

Who changed what in which revision?

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vmihalcut 0:fdfe93cb9255 1 /* mbed Microcontroller Library
vmihalcut 0:fdfe93cb9255 2 * Copyright (c) 2006-2012 ARM Limited
vmihalcut 0:fdfe93cb9255 3 *
vmihalcut 0:fdfe93cb9255 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
vmihalcut 0:fdfe93cb9255 5 * of this software and associated documentation files (the "Software"), to deal
vmihalcut 0:fdfe93cb9255 6 * in the Software without restriction, including without limitation the rights
vmihalcut 0:fdfe93cb9255 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
vmihalcut 0:fdfe93cb9255 8 * copies of the Software, and to permit persons to whom the Software is
vmihalcut 0:fdfe93cb9255 9 * furnished to do so, subject to the following conditions:
vmihalcut 0:fdfe93cb9255 10 *
vmihalcut 0:fdfe93cb9255 11 * The above copyright notice and this permission notice shall be included in
vmihalcut 0:fdfe93cb9255 12 * all copies or substantial portions of the Software.
vmihalcut 0:fdfe93cb9255 13 *
vmihalcut 0:fdfe93cb9255 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
vmihalcut 0:fdfe93cb9255 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
vmihalcut 0:fdfe93cb9255 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
vmihalcut 0:fdfe93cb9255 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
vmihalcut 0:fdfe93cb9255 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
vmihalcut 0:fdfe93cb9255 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
vmihalcut 0:fdfe93cb9255 20 * SOFTWARE.
vmihalcut 0:fdfe93cb9255 21 */
vmihalcut 0:fdfe93cb9255 22 #ifndef MEMORYPOOL_H
vmihalcut 0:fdfe93cb9255 23 #define MEMORYPOOL_H
vmihalcut 0:fdfe93cb9255 24
vmihalcut 0:fdfe93cb9255 25 #include <stdint.h>
vmihalcut 0:fdfe93cb9255 26 #include <string.h>
vmihalcut 0:fdfe93cb9255 27
vmihalcut 0:fdfe93cb9255 28 #include "cmsis_os.h"
vmihalcut 0:fdfe93cb9255 29
vmihalcut 0:fdfe93cb9255 30 namespace rtos {
vmihalcut 0:fdfe93cb9255 31
vmihalcut 0:fdfe93cb9255 32 /** Define and manage fixed-size memory pools of objects of a given type.
vmihalcut 0:fdfe93cb9255 33 @tparam T data type of a single object (element).
vmihalcut 0:fdfe93cb9255 34 @tparam queue_sz maximum number of objects (elements) in the memory pool.
vmihalcut 0:fdfe93cb9255 35 */
vmihalcut 0:fdfe93cb9255 36 template<typename T, uint32_t pool_sz>
vmihalcut 0:fdfe93cb9255 37 class MemoryPool {
vmihalcut 0:fdfe93cb9255 38 public:
vmihalcut 0:fdfe93cb9255 39 /** Create and Initialize a memory pool. */
vmihalcut 0:fdfe93cb9255 40 MemoryPool() {
vmihalcut 0:fdfe93cb9255 41 #ifdef CMSIS_OS_RTX
vmihalcut 0:fdfe93cb9255 42 memset(_pool_m, 0, sizeof(_pool_m));
vmihalcut 0:fdfe93cb9255 43 _pool_def.pool = _pool_m;
vmihalcut 0:fdfe93cb9255 44
vmihalcut 0:fdfe93cb9255 45 _pool_def.pool_sz = pool_sz;
vmihalcut 0:fdfe93cb9255 46 _pool_def.item_sz = sizeof(T);
vmihalcut 0:fdfe93cb9255 47 #endif
vmihalcut 0:fdfe93cb9255 48 _pool_id = osPoolCreate(&_pool_def);
vmihalcut 0:fdfe93cb9255 49 }
vmihalcut 0:fdfe93cb9255 50
vmihalcut 0:fdfe93cb9255 51 /** Allocate a memory block of type T from a memory pool.
vmihalcut 0:fdfe93cb9255 52 @return address of the allocated memory block or NULL in case of no memory available.
vmihalcut 0:fdfe93cb9255 53 */
vmihalcut 0:fdfe93cb9255 54 T* alloc(void) {
vmihalcut 0:fdfe93cb9255 55 return (T*)osPoolAlloc(_pool_id);
vmihalcut 0:fdfe93cb9255 56 }
vmihalcut 0:fdfe93cb9255 57
vmihalcut 0:fdfe93cb9255 58 /** Allocate a memory block of type T from a memory pool and set memory block to zero.
vmihalcut 0:fdfe93cb9255 59 @return address of the allocated memory block or NULL in case of no memory available.
vmihalcut 0:fdfe93cb9255 60 */
vmihalcut 0:fdfe93cb9255 61 T* calloc(void) {
vmihalcut 0:fdfe93cb9255 62 return (T*)osPoolCAlloc(_pool_id);
vmihalcut 0:fdfe93cb9255 63 }
vmihalcut 0:fdfe93cb9255 64
vmihalcut 0:fdfe93cb9255 65 /** Return an allocated memory block back to a specific memory pool.
vmihalcut 0:fdfe93cb9255 66 @param address of the allocated memory block that is returned to the memory pool.
vmihalcut 0:fdfe93cb9255 67 @return status code that indicates the execution status of the function.
vmihalcut 0:fdfe93cb9255 68 */
vmihalcut 0:fdfe93cb9255 69 osStatus free(T *block) {
vmihalcut 0:fdfe93cb9255 70 return osPoolFree(_pool_id, (void*)block);
vmihalcut 0:fdfe93cb9255 71 }
vmihalcut 0:fdfe93cb9255 72
vmihalcut 0:fdfe93cb9255 73 private:
vmihalcut 0:fdfe93cb9255 74 osPoolId _pool_id;
vmihalcut 0:fdfe93cb9255 75 osPoolDef_t _pool_def;
vmihalcut 0:fdfe93cb9255 76 #ifdef CMSIS_OS_RTX
vmihalcut 0:fdfe93cb9255 77 uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
vmihalcut 0:fdfe93cb9255 78 #endif
vmihalcut 0:fdfe93cb9255 79 };
vmihalcut 0:fdfe93cb9255 80
vmihalcut 0:fdfe93cb9255 81 }
vmihalcut 0:fdfe93cb9255 82 #endif