florent ollivier / Mbed 2 deprecated Gyro

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

mbed-rtos/rtos/Mutex.cpp@0:b435eadf76b4, 2022-03-28 (annotated)

Committer:
flo__
Date:
Mon Mar 28 15:54:19 2022 +0000
Revision:
0:b435eadf76b4
28/03/2022

Who changed what in which revision?

UserRevisionLine numberNew contents of line
flo__ 0:b435eadf76b4 1 /* mbed Microcontroller Library
flo__ 0:b435eadf76b4 2 * Copyright (c) 2006-2012 ARM Limited
flo__ 0:b435eadf76b4 3 *
flo__ 0:b435eadf76b4 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
flo__ 0:b435eadf76b4 5 * of this software and associated documentation files (the "Software"), to deal
flo__ 0:b435eadf76b4 6 * in the Software without restriction, including without limitation the rights
flo__ 0:b435eadf76b4 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
flo__ 0:b435eadf76b4 8 * copies of the Software, and to permit persons to whom the Software is
flo__ 0:b435eadf76b4 9 * furnished to do so, subject to the following conditions:
flo__ 0:b435eadf76b4 10 *
flo__ 0:b435eadf76b4 11 * The above copyright notice and this permission notice shall be included in
flo__ 0:b435eadf76b4 12 * all copies or substantial portions of the Software.
flo__ 0:b435eadf76b4 13 *
flo__ 0:b435eadf76b4 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
flo__ 0:b435eadf76b4 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
flo__ 0:b435eadf76b4 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
flo__ 0:b435eadf76b4 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
flo__ 0:b435eadf76b4 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
flo__ 0:b435eadf76b4 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
flo__ 0:b435eadf76b4 20 * SOFTWARE.
flo__ 0:b435eadf76b4 21 */
flo__ 0:b435eadf76b4 22 #include "rtos/Mutex.h"
flo__ 0:b435eadf76b4 23
flo__ 0:b435eadf76b4 24 #include <string.h>
flo__ 0:b435eadf76b4 25 #include "platform/mbed_error.h"
flo__ 0:b435eadf76b4 26
flo__ 0:b435eadf76b4 27 namespace rtos {
flo__ 0:b435eadf76b4 28
flo__ 0:b435eadf76b4 29 Mutex::Mutex() {
flo__ 0:b435eadf76b4 30 #ifdef CMSIS_OS_RTX
flo__ 0:b435eadf76b4 31 memset(_mutex_data, 0, sizeof(_mutex_data));
flo__ 0:b435eadf76b4 32 _osMutexDef.mutex = _mutex_data;
flo__ 0:b435eadf76b4 33 #endif
flo__ 0:b435eadf76b4 34 _osMutexId = osMutexCreate(&_osMutexDef);
flo__ 0:b435eadf76b4 35 if (_osMutexId == NULL) {
flo__ 0:b435eadf76b4 36 error("Error initializing the mutex object\n");
flo__ 0:b435eadf76b4 37 }
flo__ 0:b435eadf76b4 38 }
flo__ 0:b435eadf76b4 39
flo__ 0:b435eadf76b4 40 osStatus Mutex::lock(uint32_t millisec) {
flo__ 0:b435eadf76b4 41 return osMutexWait(_osMutexId, millisec);
flo__ 0:b435eadf76b4 42 }
flo__ 0:b435eadf76b4 43
flo__ 0:b435eadf76b4 44 bool Mutex::trylock() {
flo__ 0:b435eadf76b4 45 return (osMutexWait(_osMutexId, 0) == osOK);
flo__ 0:b435eadf76b4 46 }
flo__ 0:b435eadf76b4 47
flo__ 0:b435eadf76b4 48 osStatus Mutex::unlock() {
flo__ 0:b435eadf76b4 49 return osMutexRelease(_osMutexId);
flo__ 0:b435eadf76b4 50 }
flo__ 0:b435eadf76b4 51
flo__ 0:b435eadf76b4 52 Mutex::~Mutex() {
flo__ 0:b435eadf76b4 53 osMutexDelete(_osMutexId);
flo__ 0:b435eadf76b4 54 }
flo__ 0:b435eadf76b4 55
flo__ 0:b435eadf76b4 56 }