Department of Electrical Eng University of Moratuwa / Mbed 2 deprecated bilateral_tunned_final

bilateral system

Dependencies:   mbed

mbed-rtos/rtos/Mutex.cpp@2:a921792d9913, 2019-08-30 (annotated)

Committer:
eembed
Date:
Fri Aug 30 11:55:47 2019 +0000
Revision:
2:a921792d9913
Parent:
0:5459cdde6298 
commit before edit; ~JKD;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eembed 0:5459cdde6298 1 /* mbed Microcontroller Library
eembed 0:5459cdde6298 2 * Copyright (c) 2006-2012 ARM Limited
eembed 0:5459cdde6298 3 *
eembed 0:5459cdde6298 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
eembed 0:5459cdde6298 5 * of this software and associated documentation files (the "Software"), to deal
eembed 0:5459cdde6298 6 * in the Software without restriction, including without limitation the rights
eembed 0:5459cdde6298 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
eembed 0:5459cdde6298 8 * copies of the Software, and to permit persons to whom the Software is
eembed 0:5459cdde6298 9 * furnished to do so, subject to the following conditions:
eembed 0:5459cdde6298 10 *
eembed 0:5459cdde6298 11 * The above copyright notice and this permission notice shall be included in
eembed 0:5459cdde6298 12 * all copies or substantial portions of the Software.
eembed 0:5459cdde6298 13 *
eembed 0:5459cdde6298 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
eembed 0:5459cdde6298 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
eembed 0:5459cdde6298 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
eembed 0:5459cdde6298 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
eembed 0:5459cdde6298 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
eembed 0:5459cdde6298 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
eembed 0:5459cdde6298 20 * SOFTWARE.
eembed 0:5459cdde6298 21 */
eembed 0:5459cdde6298 22 #include "Mutex.h"
eembed 0:5459cdde6298 23
eembed 0:5459cdde6298 24 #include <string.h>
eembed 0:5459cdde6298 25 #include "mbed_error.h"
eembed 0:5459cdde6298 26
eembed 0:5459cdde6298 27 namespace rtos {
eembed 0:5459cdde6298 28
eembed 0:5459cdde6298 29 Mutex::Mutex() {
eembed 0:5459cdde6298 30 #ifdef CMSIS_OS_RTX
eembed 0:5459cdde6298 31 memset(_mutex_data, 0, sizeof(_mutex_data));
eembed 0:5459cdde6298 32 _osMutexDef.mutex = _mutex_data;
eembed 0:5459cdde6298 33 #endif
eembed 0:5459cdde6298 34 _osMutexId = osMutexCreate(&_osMutexDef);
eembed 0:5459cdde6298 35 if (_osMutexId == NULL) {
eembed 0:5459cdde6298 36 error("Error initializing the mutex object\n");
eembed 0:5459cdde6298 37 }
eembed 0:5459cdde6298 38 }
eembed 0:5459cdde6298 39
eembed 0:5459cdde6298 40 osStatus Mutex::lock(uint32_t millisec) {
eembed 0:5459cdde6298 41 return osMutexWait(_osMutexId, millisec);
eembed 0:5459cdde6298 42 }
eembed 0:5459cdde6298 43
eembed 0:5459cdde6298 44 bool Mutex::trylock() {
eembed 0:5459cdde6298 45 return (osMutexWait(_osMutexId, 0) == osOK);
eembed 0:5459cdde6298 46 }
eembed 0:5459cdde6298 47
eembed 0:5459cdde6298 48 osStatus Mutex::unlock() {
eembed 0:5459cdde6298 49 return osMutexRelease(_osMutexId);
eembed 0:5459cdde6298 50 }
eembed 0:5459cdde6298 51
eembed 0:5459cdde6298 52 Mutex::~Mutex() {
eembed 0:5459cdde6298 53 osMutexDelete(_osMutexId);
eembed 0:5459cdde6298 54 }
eembed 0:5459cdde6298 55
eembed 0:5459cdde6298 56 }