the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

mbed-rtos/rtos/Mutex.cpp@166:3a9487d57a5c, 2017-06-29 (annotated)

Committer:
thedo
Date:
Thu Jun 29 11:00:41 2017 +0000
Revision:
166:3a9487d57a5c
This is Opencv 3.1 project on GR-PEACH board

Who changed what in which revision?

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thedo 166:3a9487d57a5c 1 /* mbed Microcontroller Library
thedo 166:3a9487d57a5c 2 * Copyright (c) 2006-2012 ARM Limited
thedo 166:3a9487d57a5c 3 *
thedo 166:3a9487d57a5c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
thedo 166:3a9487d57a5c 5 * of this software and associated documentation files (the "Software"), to deal
thedo 166:3a9487d57a5c 6 * in the Software without restriction, including without limitation the rights
thedo 166:3a9487d57a5c 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
thedo 166:3a9487d57a5c 8 * copies of the Software, and to permit persons to whom the Software is
thedo 166:3a9487d57a5c 9 * furnished to do so, subject to the following conditions:
thedo 166:3a9487d57a5c 10 *
thedo 166:3a9487d57a5c 11 * The above copyright notice and this permission notice shall be included in
thedo 166:3a9487d57a5c 12 * all copies or substantial portions of the Software.
thedo 166:3a9487d57a5c 13 *
thedo 166:3a9487d57a5c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
thedo 166:3a9487d57a5c 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
thedo 166:3a9487d57a5c 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
thedo 166:3a9487d57a5c 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
thedo 166:3a9487d57a5c 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
thedo 166:3a9487d57a5c 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
thedo 166:3a9487d57a5c 20 * SOFTWARE.
thedo 166:3a9487d57a5c 21 */
thedo 166:3a9487d57a5c 22 #include "rtos/Mutex.h"
thedo 166:3a9487d57a5c 23
thedo 166:3a9487d57a5c 24 #include <string.h>
thedo 166:3a9487d57a5c 25 #include "platform/mbed_error.h"
thedo 166:3a9487d57a5c 26
thedo 166:3a9487d57a5c 27 namespace rtos {
thedo 166:3a9487d57a5c 28
thedo 166:3a9487d57a5c 29 Mutex::Mutex() {
thedo 166:3a9487d57a5c 30 #ifdef CMSIS_OS_RTX
thedo 166:3a9487d57a5c 31 memset(_mutex_data, 0, sizeof(_mutex_data));
thedo 166:3a9487d57a5c 32 _osMutexDef.mutex = _mutex_data;
thedo 166:3a9487d57a5c 33 #endif
thedo 166:3a9487d57a5c 34 _osMutexId = osMutexCreate(&_osMutexDef);
thedo 166:3a9487d57a5c 35 if (_osMutexId == NULL) {
thedo 166:3a9487d57a5c 36 error("Error initializing the mutex object\n");
thedo 166:3a9487d57a5c 37 }
thedo 166:3a9487d57a5c 38 }
thedo 166:3a9487d57a5c 39
thedo 166:3a9487d57a5c 40 osStatus Mutex::lock(uint32_t millisec) {
thedo 166:3a9487d57a5c 41 return osMutexWait(_osMutexId, millisec);
thedo 166:3a9487d57a5c 42 }
thedo 166:3a9487d57a5c 43
thedo 166:3a9487d57a5c 44 bool Mutex::trylock() {
thedo 166:3a9487d57a5c 45 return (osMutexWait(_osMutexId, 0) == osOK);
thedo 166:3a9487d57a5c 46 }
thedo 166:3a9487d57a5c 47
thedo 166:3a9487d57a5c 48 osStatus Mutex::unlock() {
thedo 166:3a9487d57a5c 49 return osMutexRelease(_osMutexId);
thedo 166:3a9487d57a5c 50 }
thedo 166:3a9487d57a5c 51
thedo 166:3a9487d57a5c 52 Mutex::~Mutex() {
thedo 166:3a9487d57a5c 53 osMutexDelete(_osMutexId);
thedo 166:3a9487d57a5c 54 }
thedo 166:3a9487d57a5c 55
thedo 166:3a9487d57a5c 56 }