IBM Watson IoT / Mbed OS IBMIoTClientEthernetExample

Contains example code to connect the mbed LPC1768 or FRDM-K64F devices to the IBM Internet of Things Cloud service via ethernet.

Dependencies:   C12832 MQTT LM75B MMA7660

Dependents:   MFT_IoT_demo_USB400 IBM_RFID

mbed-rtos/rtos/Mutex.cpp@6:37b6d0d56190, 2014-08-20 (annotated)

Committer:
samdanbury
Date:
Wed Aug 20 12:45:14 2014 +0000
Revision:
6:37b6d0d56190
Code completely changed to improve the structure, flow and memory usage of the application

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samdanbury 6:37b6d0d56190 1 /* mbed Microcontroller Library
samdanbury 6:37b6d0d56190 2 * Copyright (c) 2006-2012 ARM Limited
samdanbury 6:37b6d0d56190 3 *
samdanbury 6:37b6d0d56190 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samdanbury 6:37b6d0d56190 5 * of this software and associated documentation files (the "Software"), to deal
samdanbury 6:37b6d0d56190 6 * in the Software without restriction, including without limitation the rights
samdanbury 6:37b6d0d56190 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samdanbury 6:37b6d0d56190 8 * copies of the Software, and to permit persons to whom the Software is
samdanbury 6:37b6d0d56190 9 * furnished to do so, subject to the following conditions:
samdanbury 6:37b6d0d56190 10 *
samdanbury 6:37b6d0d56190 11 * The above copyright notice and this permission notice shall be included in
samdanbury 6:37b6d0d56190 12 * all copies or substantial portions of the Software.
samdanbury 6:37b6d0d56190 13 *
samdanbury 6:37b6d0d56190 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samdanbury 6:37b6d0d56190 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samdanbury 6:37b6d0d56190 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samdanbury 6:37b6d0d56190 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samdanbury 6:37b6d0d56190 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samdanbury 6:37b6d0d56190 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
samdanbury 6:37b6d0d56190 20 * SOFTWARE.
samdanbury 6:37b6d0d56190 21 */
samdanbury 6:37b6d0d56190 22 #include "Mutex.h"
samdanbury 6:37b6d0d56190 23
samdanbury 6:37b6d0d56190 24 #include <string.h>
samdanbury 6:37b6d0d56190 25 #include "error.h"
samdanbury 6:37b6d0d56190 26
samdanbury 6:37b6d0d56190 27 namespace rtos {
samdanbury 6:37b6d0d56190 28
samdanbury 6:37b6d0d56190 29 Mutex::Mutex() {
samdanbury 6:37b6d0d56190 30 #ifdef CMSIS_OS_RTX
samdanbury 6:37b6d0d56190 31 memset(_mutex_data, 0, sizeof(_mutex_data));
samdanbury 6:37b6d0d56190 32 _osMutexDef.mutex = _mutex_data;
samdanbury 6:37b6d0d56190 33 #endif
samdanbury 6:37b6d0d56190 34 _osMutexId = osMutexCreate(&_osMutexDef);
samdanbury 6:37b6d0d56190 35 if (_osMutexId == NULL) {
samdanbury 6:37b6d0d56190 36 error("Error initializing the mutex object\n");
samdanbury 6:37b6d0d56190 37 }
samdanbury 6:37b6d0d56190 38 }
samdanbury 6:37b6d0d56190 39
samdanbury 6:37b6d0d56190 40 osStatus Mutex::lock(uint32_t millisec) {
samdanbury 6:37b6d0d56190 41 return osMutexWait(_osMutexId, millisec);
samdanbury 6:37b6d0d56190 42 }
samdanbury 6:37b6d0d56190 43
samdanbury 6:37b6d0d56190 44 bool Mutex::trylock() {
samdanbury 6:37b6d0d56190 45 return (osMutexWait(_osMutexId, 0) == osOK);
samdanbury 6:37b6d0d56190 46 }
samdanbury 6:37b6d0d56190 47
samdanbury 6:37b6d0d56190 48 osStatus Mutex::unlock() {
samdanbury 6:37b6d0d56190 49 return osMutexRelease(_osMutexId);
samdanbury 6:37b6d0d56190 50 }
samdanbury 6:37b6d0d56190 51
samdanbury 6:37b6d0d56190 52 Mutex::~Mutex() {
samdanbury 6:37b6d0d56190 53 osMutexDelete(_osMutexId);
samdanbury 6:37b6d0d56190 54 }
samdanbury 6:37b6d0d56190 55
samdanbury 6:37b6d0d56190 56 }