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TickerResourceObserver.cpp
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00001 /** 00002 * @file TickerResourceObserver.cpp 00003 * @brief mbed CoAP DynamicResource Ticker-based observer (implementation) 00004 * @author Doug Anson/Chris Paola 00005 * @version 1.0 00006 * @see 00007 * 00008 * Copyright (c) 2014 00009 * 00010 * Licensed under the Apache License, Version 2.0 (the "License"); 00011 * you may not use this file except in compliance with the License. 00012 * You may obtain a copy of the License at 00013 * 00014 * http://www.apache.org/licenses/LICENSE-2.0 00015 * 00016 * Unless required by applicable law or agreed to in writing, software 00017 * distributed under the License is distributed on an "AS IS" BASIS, 00018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00019 * See the License for the specific language governing permissions and 00020 * limitations under the License. 00021 */ 00022 00023 #include "TickerResourceObserver.h" 00024 00025 // DEBUG 00026 //DigitalOut __ticker_led(LED2); 00027 00028 // determines whether the mDS endpoint has been registered or not... 00029 extern "C" bool nsdl_endpoint_is_registered(void); 00030 00031 // constructor 00032 TickerResourceObserver::TickerResourceObserver(DynamicResource *resource,int sleep_time) : 00033 ResourceObserver(resource,(int)(sleep_time/1000)) { 00034 this->setObserving(false); 00035 // DEBUG 00036 std::printf("TickerResourceObserver being used for %s (sleep_time=%d)\r\n",resource->getName().c_str(),sleep_time); 00037 } 00038 00039 // destructor 00040 TickerResourceObserver::~TickerResourceObserver() { 00041 this->stopObservation(); 00042 } 00043 00044 // notifier 00045 void TickerResourceObserver::observationNotifier() { 00046 if (this->isObserving() == true && this->getResource() != NULL && nsdl_endpoint_is_registered() == true) { 00047 this->getResource()->observe(); 00048 //__ticker_led = !__ticker_led; 00049 } 00050 } 00051 00052 // begin observing... 00053 void TickerResourceObserver::beginObservation() { 00054 if (this->isObserving() == false) { 00055 this->m_ticker.attach(this,&TickerResourceObserver::observationNotifier,(float)this->getSleepTime()); 00056 this->setObserving(true); 00057 } 00058 } 00059 00060 // begin observing... 00061 void TickerResourceObserver::stopObservation() { 00062 this->setObserving(false); 00063 }
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