Ankit Patel / Mbed 2 deprecated Robot_Control_UDP_Ethernet

Control a robot over the internet using UDP and a Ethernet interface.

Dependencies:   EthernetInterface Motor TextLCD mbed-rtos mbed Socket lwip-eth lwip-sys lwip

mbed-rtos/rtos/Mutex.cpp@0:1496281373a5, 2013-10-17 (annotated)

Committer:
apatel336
Date:
Thu Oct 17 13:26:38 2013 +0000
Revision:
0:1496281373a5
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
apatel336 0:1496281373a5 1 /* mbed Microcontroller Library
apatel336 0:1496281373a5 2 * Copyright (c) 2006-2012 ARM Limited
apatel336 0:1496281373a5 3 *
apatel336 0:1496281373a5 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
apatel336 0:1496281373a5 5 * of this software and associated documentation files (the "Software"), to deal
apatel336 0:1496281373a5 6 * in the Software without restriction, including without limitation the rights
apatel336 0:1496281373a5 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
apatel336 0:1496281373a5 8 * copies of the Software, and to permit persons to whom the Software is
apatel336 0:1496281373a5 9 * furnished to do so, subject to the following conditions:
apatel336 0:1496281373a5 10 *
apatel336 0:1496281373a5 11 * The above copyright notice and this permission notice shall be included in
apatel336 0:1496281373a5 12 * all copies or substantial portions of the Software.
apatel336 0:1496281373a5 13 *
apatel336 0:1496281373a5 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
apatel336 0:1496281373a5 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
apatel336 0:1496281373a5 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
apatel336 0:1496281373a5 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
apatel336 0:1496281373a5 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
apatel336 0:1496281373a5 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
apatel336 0:1496281373a5 20 * SOFTWARE.
apatel336 0:1496281373a5 21 */
apatel336 0:1496281373a5 22 #include "Mutex.h"
apatel336 0:1496281373a5 23
apatel336 0:1496281373a5 24 #include <string.h>
apatel336 0:1496281373a5 25 #include "error.h"
apatel336 0:1496281373a5 26
apatel336 0:1496281373a5 27 namespace rtos {
apatel336 0:1496281373a5 28
apatel336 0:1496281373a5 29 Mutex::Mutex() {
apatel336 0:1496281373a5 30 #ifdef CMSIS_OS_RTX
apatel336 0:1496281373a5 31 memset(_mutex_data, 0, sizeof(_mutex_data));
apatel336 0:1496281373a5 32 _osMutexDef.mutex = _mutex_data;
apatel336 0:1496281373a5 33 #endif
apatel336 0:1496281373a5 34 _osMutexId = osMutexCreate(&_osMutexDef);
apatel336 0:1496281373a5 35 if (_osMutexId == NULL) {
apatel336 0:1496281373a5 36 error("Error initializing the mutex object\n");
apatel336 0:1496281373a5 37 }
apatel336 0:1496281373a5 38 }
apatel336 0:1496281373a5 39
apatel336 0:1496281373a5 40 osStatus Mutex::lock(uint32_t millisec) {
apatel336 0:1496281373a5 41 return osMutexWait(_osMutexId, millisec);
apatel336 0:1496281373a5 42 }
apatel336 0:1496281373a5 43
apatel336 0:1496281373a5 44 bool Mutex::trylock() {
apatel336 0:1496281373a5 45 return (osMutexWait(_osMutexId, 0) == osOK);
apatel336 0:1496281373a5 46 }
apatel336 0:1496281373a5 47
apatel336 0:1496281373a5 48 osStatus Mutex::unlock() {
apatel336 0:1496281373a5 49 return osMutexRelease(_osMutexId);
apatel336 0:1496281373a5 50 }
apatel336 0:1496281373a5 51
apatel336 0:1496281373a5 52 Mutex::~Mutex() {
apatel336 0:1496281373a5 53 osMutexDelete(_osMutexId);
apatel336 0:1496281373a5 54 }
apatel336 0:1496281373a5 55
apatel336 0:1496281373a5 56 }