00001 /* 00002 Copyright (c) 2000-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 00003 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions are met: 00006 00007 * Redistributions of source code must retain the above copyright notice, this 00008 list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, 00010 this list of conditions and the following disclaimer in the documentation 00011 and/or other materials provided with the distribution. 00012 * Neither the name of Nokia Corporation nor the names of its contributors 00013 may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 Description: 00028 Shows asynchronous programming (without active objects). 00029 Example shows how a single request can be issued, followed 00030 by User::WaitForRequest() 00031 */ 00032 00033 00034 00035 #include "CommonFramework.h" 00036 00037 00038 00039 // Do the example 00040 LOCAL_C void doExampleL() 00041 { 00042 // create and initialize heartbeat timer 00043 RTimer heartbeat; // heartbeat timer 00044 00045 TRequestStatus heartbeatStatus; // request status associated with it 00046 heartbeat.CreateLocal(); // always created for this thread 00047 00048 // go round timing loop 00049 for (TInt i=0; i<10; i++) 00050 { 00051 // issue and wait for single request 00052 heartbeat.After(heartbeatStatus,1000000); // wait 1 second 00053 User::WaitForRequest(heartbeatStatus); // wait for request 00054 // to complete 00055 // say we're here 00056 _LIT(KFormatString1,"Tick %d\n"); 00057 console->Printf(KFormatString1, i); 00058 } 00059 00060 // close timer 00061 heartbeat.Close(); // close timer 00062 }