Very simple cooperative round-robin task scheduler. See examples.

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example1.h

00001 /*
00002     Copyright (c) 2011 Andy Kirkham
00003  
00004     Permission is hereby granted, free of charge, to any person obtaining a copy
00005     of this software and associated documentation files (the "Software"), to deal
00006     in the Software without restriction, including without limitation the rights
00007     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008     copies of the Software, and to permit persons to whom the Software is
00009     furnished to do so, subject to the following conditions:
00010  
00011     The above copyright notice and this permission notice shall be included in
00012     all copies or substantial portions of the Software.
00013  
00014     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020     THE SOFTWARE.
00021     
00022     @file          example1.h 
00023     @purpose       Simple round-robin cooperative scheduler example
00024     @date          Mar 2011
00025     @author        Andy Kirkham
00026 */
00027 
00028 /* This example shows how to call tasks defined as C functions. */
00029 
00030 #include "mbed.h"
00031 #include "SimpleScheduler.h"
00032 
00033 DigitalOut led1(LED1);
00034 DigitalOut led2(LED2);
00035 DigitalOut led3(LED3);
00036 DigitalOut led4(LED4);
00037 
00038 void f1(SimpleTask *task) { led1 = !led1; }
00039 void f2(SimpleTask *task) { led2 = !led2; }
00040 void f3(SimpleTask *task) { led3 = !led3; }
00041 void f4(SimpleTask *task) { led4 = !led4; }
00042 
00043 SimpleScheduler *scheduler;
00044 
00045 int main() {
00046 
00047     scheduler = new SimpleScheduler;
00048     
00049     scheduler
00050         ->addTask( new SimpleTask(0,   f1) )
00051         ->addTask( new SimpleTask(200, f2) )
00052         ->addTask( new SimpleTask(300, f3) )
00053         ->addTask( new SimpleTask(0.4, f4) )
00054     ;
00055     
00056     scheduler->run();    
00057 }