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Counter
Dependencies: EthernetInterface NTPClient SDFileSystem TextLCD WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip FATFileSystem
Diff: mbed-rtos/rtos/Mutex.cpp
- Revision:
- 0:ecaf3e593122
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/rtos/Mutex.cpp Mon Feb 29 18:59:15 2016 +0000 @@ -0,0 +1,56 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "Mutex.h" + +#include <string.h> +#include "error.h" + +namespace rtos { + +Mutex::Mutex() { +#ifdef CMSIS_OS_RTX + memset(_mutex_data, 0, sizeof(_mutex_data)); + _osMutexDef.mutex = _mutex_data; +#endif + _osMutexId = osMutexCreate(&_osMutexDef); + if (_osMutexId == NULL) { + error("Error initializing the mutex object\n"); + } +} + +osStatus Mutex::lock(uint32_t millisec) { + return osMutexWait(_osMutexId, millisec); +} + +bool Mutex::trylock() { + return (osMutexWait(_osMutexId, 0) == osOK); +} + +osStatus Mutex::unlock() { + return osMutexRelease(_osMutexId); +} + +Mutex::~Mutex() { + osMutexDelete(_osMutexId); +} + +}