SkyTEM BMAG / Mbed 2 deprecated BMAGThrRev

Bmag incl gps rettelse

Dependencies:   mbed WDT MODSERIAL BME280

USBHost/mbed-rtos/rtos/MemoryPool.h@56:df9052e3808c, 2019-06-20 (annotated)

Committer:
gert_lauritsen
Date:
Thu Jun 20 07:13:18 2019 +0000
Revision:
56:df9052e3808c
change date stamp from gps, reads serialnumb from file.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 56:df9052e3808c 1 /* mbed Microcontroller Library
gert_lauritsen 56:df9052e3808c 2 * Copyright (c) 2006-2012 ARM Limited
gert_lauritsen 56:df9052e3808c 3 *
gert_lauritsen 56:df9052e3808c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
gert_lauritsen 56:df9052e3808c 5 * of this software and associated documentation files (the "Software"), to deal
gert_lauritsen 56:df9052e3808c 6 * in the Software without restriction, including without limitation the rights
gert_lauritsen 56:df9052e3808c 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gert_lauritsen 56:df9052e3808c 8 * copies of the Software, and to permit persons to whom the Software is
gert_lauritsen 56:df9052e3808c 9 * furnished to do so, subject to the following conditions:
gert_lauritsen 56:df9052e3808c 10 *
gert_lauritsen 56:df9052e3808c 11 * The above copyright notice and this permission notice shall be included in
gert_lauritsen 56:df9052e3808c 12 * all copies or substantial portions of the Software.
gert_lauritsen 56:df9052e3808c 13 *
gert_lauritsen 56:df9052e3808c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gert_lauritsen 56:df9052e3808c 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gert_lauritsen 56:df9052e3808c 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gert_lauritsen 56:df9052e3808c 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gert_lauritsen 56:df9052e3808c 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gert_lauritsen 56:df9052e3808c 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
gert_lauritsen 56:df9052e3808c 20 * SOFTWARE.
gert_lauritsen 56:df9052e3808c 21 */
gert_lauritsen 56:df9052e3808c 22 #ifndef MEMORYPOOL_H
gert_lauritsen 56:df9052e3808c 23 #define MEMORYPOOL_H
gert_lauritsen 56:df9052e3808c 24
gert_lauritsen 56:df9052e3808c 25 #include <stdint.h>
gert_lauritsen 56:df9052e3808c 26 #include <string.h>
gert_lauritsen 56:df9052e3808c 27
gert_lauritsen 56:df9052e3808c 28 #include "cmsis_os.h"
gert_lauritsen 56:df9052e3808c 29
gert_lauritsen 56:df9052e3808c 30 namespace rtos {
gert_lauritsen 56:df9052e3808c 31 /** \addtogroup rtos */
gert_lauritsen 56:df9052e3808c 32 /** @{*/
gert_lauritsen 56:df9052e3808c 33
gert_lauritsen 56:df9052e3808c 34 /** Define and manage fixed-size memory pools of objects of a given type.
gert_lauritsen 56:df9052e3808c 35 @tparam T data type of a single object (element).
gert_lauritsen 56:df9052e3808c 36 @tparam queue_sz maximum number of objects (elements) in the memory pool.
gert_lauritsen 56:df9052e3808c 37 */
gert_lauritsen 56:df9052e3808c 38 template<typename T, uint32_t pool_sz>
gert_lauritsen 56:df9052e3808c 39 class MemoryPool {
gert_lauritsen 56:df9052e3808c 40 public:
gert_lauritsen 56:df9052e3808c 41 /** Create and Initialize a memory pool. */
gert_lauritsen 56:df9052e3808c 42 MemoryPool() {
gert_lauritsen 56:df9052e3808c 43 #ifdef CMSIS_OS_RTX
gert_lauritsen 56:df9052e3808c 44 memset(_pool_m, 0, sizeof(_pool_m));
gert_lauritsen 56:df9052e3808c 45 _pool_def.pool = _pool_m;
gert_lauritsen 56:df9052e3808c 46
gert_lauritsen 56:df9052e3808c 47 _pool_def.pool_sz = pool_sz;
gert_lauritsen 56:df9052e3808c 48 _pool_def.item_sz = sizeof(T);
gert_lauritsen 56:df9052e3808c 49 #endif
gert_lauritsen 56:df9052e3808c 50 _pool_id = osPoolCreate(&_pool_def);
gert_lauritsen 56:df9052e3808c 51 }
gert_lauritsen 56:df9052e3808c 52
gert_lauritsen 56:df9052e3808c 53 /** Allocate a memory block of type T from a memory pool.
gert_lauritsen 56:df9052e3808c 54 @return address of the allocated memory block or NULL in case of no memory available.
gert_lauritsen 56:df9052e3808c 55 */
gert_lauritsen 56:df9052e3808c 56 T* alloc(void) {
gert_lauritsen 56:df9052e3808c 57 return (T*)osPoolAlloc(_pool_id);
gert_lauritsen 56:df9052e3808c 58 }
gert_lauritsen 56:df9052e3808c 59
gert_lauritsen 56:df9052e3808c 60 /** Allocate a memory block of type T from a memory pool and set memory block to zero.
gert_lauritsen 56:df9052e3808c 61 @return address of the allocated memory block or NULL in case of no memory available.
gert_lauritsen 56:df9052e3808c 62 */
gert_lauritsen 56:df9052e3808c 63 T* calloc(void) {
gert_lauritsen 56:df9052e3808c 64 return (T*)osPoolCAlloc(_pool_id);
gert_lauritsen 56:df9052e3808c 65 }
gert_lauritsen 56:df9052e3808c 66
gert_lauritsen 56:df9052e3808c 67 /** Return an allocated memory block back to a specific memory pool.
gert_lauritsen 56:df9052e3808c 68 @param address of the allocated memory block that is returned to the memory pool.
gert_lauritsen 56:df9052e3808c 69 @return status code that indicates the execution status of the function.
gert_lauritsen 56:df9052e3808c 70 */
gert_lauritsen 56:df9052e3808c 71 osStatus free(T *block) {
gert_lauritsen 56:df9052e3808c 72 return osPoolFree(_pool_id, (void*)block);
gert_lauritsen 56:df9052e3808c 73 }
gert_lauritsen 56:df9052e3808c 74
gert_lauritsen 56:df9052e3808c 75 private:
gert_lauritsen 56:df9052e3808c 76 osPoolId _pool_id;
gert_lauritsen 56:df9052e3808c 77 osPoolDef_t _pool_def;
gert_lauritsen 56:df9052e3808c 78 #ifdef CMSIS_OS_RTX
gert_lauritsen 56:df9052e3808c 79 uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
gert_lauritsen 56:df9052e3808c 80 #endif
gert_lauritsen 56:df9052e3808c 81 };
gert_lauritsen 56:df9052e3808c 82
gert_lauritsen 56:df9052e3808c 83 }
gert_lauritsen 56:df9052e3808c 84 #endif
gert_lauritsen 56:df9052e3808c 85
gert_lauritsen 56:df9052e3808c 86 /** @}*/