Greg Steiert / pegasus_dev

Development mbed library for MAX32630FTHR

Dependents:   blinky_max32630fthr

rtos/MemoryPool.h@3:1198227e6421, 2016-12-16 (annotated)

Committer:
switches
Date:
Fri Dec 16 16:27:57 2016 +0000
Revision:
3:1198227e6421
Parent:
0:5c4d7b2438d3 
Changed ADC scale for MAX32625 platforms to 1.2V full scale to match MAX32630 platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /* mbed Microcontroller Library
switches 0:5c4d7b2438d3 2 * Copyright (c) 2006-2012 ARM Limited
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
switches 0:5c4d7b2438d3 5 * of this software and associated documentation files (the "Software"), to deal
switches 0:5c4d7b2438d3 6 * in the Software without restriction, including without limitation the rights
switches 0:5c4d7b2438d3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
switches 0:5c4d7b2438d3 8 * copies of the Software, and to permit persons to whom the Software is
switches 0:5c4d7b2438d3 9 * furnished to do so, subject to the following conditions:
switches 0:5c4d7b2438d3 10 *
switches 0:5c4d7b2438d3 11 * The above copyright notice and this permission notice shall be included in
switches 0:5c4d7b2438d3 12 * all copies or substantial portions of the Software.
switches 0:5c4d7b2438d3 13 *
switches 0:5c4d7b2438d3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
switches 0:5c4d7b2438d3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
switches 0:5c4d7b2438d3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
switches 0:5c4d7b2438d3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
switches 0:5c4d7b2438d3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
switches 0:5c4d7b2438d3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
switches 0:5c4d7b2438d3 20 * SOFTWARE.
switches 0:5c4d7b2438d3 21 */
switches 0:5c4d7b2438d3 22 #ifndef MEMORYPOOL_H
switches 0:5c4d7b2438d3 23 #define MEMORYPOOL_H
switches 0:5c4d7b2438d3 24
switches 0:5c4d7b2438d3 25 #include <stdint.h>
switches 0:5c4d7b2438d3 26 #include <string.h>
switches 0:5c4d7b2438d3 27
switches 0:5c4d7b2438d3 28 #include "cmsis_os.h"
switches 0:5c4d7b2438d3 29
switches 0:5c4d7b2438d3 30 namespace rtos {
switches 0:5c4d7b2438d3 31 /** \addtogroup rtos */
switches 0:5c4d7b2438d3 32 /** @{*/
switches 0:5c4d7b2438d3 33
switches 0:5c4d7b2438d3 34 /** Define and manage fixed-size memory pools of objects of a given type.
switches 0:5c4d7b2438d3 35 @tparam T data type of a single object (element).
switches 0:5c4d7b2438d3 36 @tparam queue_sz maximum number of objects (elements) in the memory pool.
switches 0:5c4d7b2438d3 37 */
switches 0:5c4d7b2438d3 38 template<typename T, uint32_t pool_sz>
switches 0:5c4d7b2438d3 39 class MemoryPool {
switches 0:5c4d7b2438d3 40 public:
switches 0:5c4d7b2438d3 41 /** Create and Initialize a memory pool. */
switches 0:5c4d7b2438d3 42 MemoryPool() {
switches 0:5c4d7b2438d3 43 #ifdef CMSIS_OS_RTX
switches 0:5c4d7b2438d3 44 memset(_pool_m, 0, sizeof(_pool_m));
switches 0:5c4d7b2438d3 45 _pool_def.pool = _pool_m;
switches 0:5c4d7b2438d3 46
switches 0:5c4d7b2438d3 47 _pool_def.pool_sz = pool_sz;
switches 0:5c4d7b2438d3 48 _pool_def.item_sz = sizeof(T);
switches 0:5c4d7b2438d3 49 #endif
switches 0:5c4d7b2438d3 50 _pool_id = osPoolCreate(&_pool_def);
switches 0:5c4d7b2438d3 51 }
switches 0:5c4d7b2438d3 52
switches 0:5c4d7b2438d3 53 /** Allocate a memory block of type T from a memory pool.
switches 0:5c4d7b2438d3 54 @return address of the allocated memory block or NULL in case of no memory available.
switches 0:5c4d7b2438d3 55 */
switches 0:5c4d7b2438d3 56 T* alloc(void) {
switches 0:5c4d7b2438d3 57 return (T*)osPoolAlloc(_pool_id);
switches 0:5c4d7b2438d3 58 }
switches 0:5c4d7b2438d3 59
switches 0:5c4d7b2438d3 60 /** Allocate a memory block of type T from a memory pool and set memory block to zero.
switches 0:5c4d7b2438d3 61 @return address of the allocated memory block or NULL in case of no memory available.
switches 0:5c4d7b2438d3 62 */
switches 0:5c4d7b2438d3 63 T* calloc(void) {
switches 0:5c4d7b2438d3 64 return (T*)osPoolCAlloc(_pool_id);
switches 0:5c4d7b2438d3 65 }
switches 0:5c4d7b2438d3 66
switches 0:5c4d7b2438d3 67 /** Return an allocated memory block back to a specific memory pool.
switches 0:5c4d7b2438d3 68 @param address of the allocated memory block that is returned to the memory pool.
switches 0:5c4d7b2438d3 69 @return status code that indicates the execution status of the function.
switches 0:5c4d7b2438d3 70 */
switches 0:5c4d7b2438d3 71 osStatus free(T *block) {
switches 0:5c4d7b2438d3 72 return osPoolFree(_pool_id, (void*)block);
switches 0:5c4d7b2438d3 73 }
switches 0:5c4d7b2438d3 74
switches 0:5c4d7b2438d3 75 private:
switches 0:5c4d7b2438d3 76 osPoolId _pool_id;
switches 0:5c4d7b2438d3 77 osPoolDef_t _pool_def;
switches 0:5c4d7b2438d3 78 #ifdef CMSIS_OS_RTX
switches 0:5c4d7b2438d3 79 uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
switches 0:5c4d7b2438d3 80 #endif
switches 0:5c4d7b2438d3 81 };
switches 0:5c4d7b2438d3 82
switches 0:5c4d7b2438d3 83 }
switches 0:5c4d7b2438d3 84 #endif
switches 0:5c4d7b2438d3 85
switches 0:5c4d7b2438d3 86 /** @}*/