Freeman Oldman / NUCLEO_STM32F401RE_CC3000_ILI9341

The code from https://github.com/vpcola/Nucleo

mbed-rtos/rtos/Mutex.cpp@0:5464d5e415e5, 2014-10-08 (annotated)

Committer:
sinrab
Date:
Wed Oct 08 11:00:24 2014 +0000
Revision:
0:5464d5e415e5
The code from https://github.com/vpcola/Nucleo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sinrab 0:5464d5e415e5 1 /* mbed Microcontroller Library
sinrab 0:5464d5e415e5 2 * Copyright (c) 2006-2012 ARM Limited
sinrab 0:5464d5e415e5 3 *
sinrab 0:5464d5e415e5 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
sinrab 0:5464d5e415e5 5 * of this software and associated documentation files (the "Software"), to deal
sinrab 0:5464d5e415e5 6 * in the Software without restriction, including without limitation the rights
sinrab 0:5464d5e415e5 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
sinrab 0:5464d5e415e5 8 * copies of the Software, and to permit persons to whom the Software is
sinrab 0:5464d5e415e5 9 * furnished to do so, subject to the following conditions:
sinrab 0:5464d5e415e5 10 *
sinrab 0:5464d5e415e5 11 * The above copyright notice and this permission notice shall be included in
sinrab 0:5464d5e415e5 12 * all copies or substantial portions of the Software.
sinrab 0:5464d5e415e5 13 *
sinrab 0:5464d5e415e5 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
sinrab 0:5464d5e415e5 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
sinrab 0:5464d5e415e5 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
sinrab 0:5464d5e415e5 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
sinrab 0:5464d5e415e5 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
sinrab 0:5464d5e415e5 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
sinrab 0:5464d5e415e5 20 * SOFTWARE.
sinrab 0:5464d5e415e5 21 */
sinrab 0:5464d5e415e5 22 #include "Mutex.h"
sinrab 0:5464d5e415e5 23
sinrab 0:5464d5e415e5 24 #include <string.h>
sinrab 0:5464d5e415e5 25 #include "mbed_error.h"
sinrab 0:5464d5e415e5 26
sinrab 0:5464d5e415e5 27 namespace rtos {
sinrab 0:5464d5e415e5 28
sinrab 0:5464d5e415e5 29 Mutex::Mutex() {
sinrab 0:5464d5e415e5 30 #ifdef CMSIS_OS_RTX
sinrab 0:5464d5e415e5 31 memset(_mutex_data, 0, sizeof(_mutex_data));
sinrab 0:5464d5e415e5 32 _osMutexDef.mutex = _mutex_data;
sinrab 0:5464d5e415e5 33 #endif
sinrab 0:5464d5e415e5 34 _osMutexId = osMutexCreate(&_osMutexDef);
sinrab 0:5464d5e415e5 35 if (_osMutexId == NULL) {
sinrab 0:5464d5e415e5 36 error("Error initializing the mutex object\n");
sinrab 0:5464d5e415e5 37 }
sinrab 0:5464d5e415e5 38 }
sinrab 0:5464d5e415e5 39
sinrab 0:5464d5e415e5 40 osStatus Mutex::lock(uint32_t millisec) {
sinrab 0:5464d5e415e5 41 return osMutexWait(_osMutexId, millisec);
sinrab 0:5464d5e415e5 42 }
sinrab 0:5464d5e415e5 43
sinrab 0:5464d5e415e5 44 bool Mutex::trylock() {
sinrab 0:5464d5e415e5 45 return (osMutexWait(_osMutexId, 0) == osOK);
sinrab 0:5464d5e415e5 46 }
sinrab 0:5464d5e415e5 47
sinrab 0:5464d5e415e5 48 osStatus Mutex::unlock() {
sinrab 0:5464d5e415e5 49 return osMutexRelease(_osMutexId);
sinrab 0:5464d5e415e5 50 }
sinrab 0:5464d5e415e5 51
sinrab 0:5464d5e415e5 52 Mutex::~Mutex() {
sinrab 0:5464d5e415e5 53 osMutexDelete(_osMutexId);
sinrab 0:5464d5e415e5 54 }
sinrab 0:5464d5e415e5 55
sinrab 0:5464d5e415e5 56 }
sinrab 0:5464d5e415e5 57