149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/*
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Copyright (C) 1994-1995 Apogee Software, Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**********************************************************************
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module: TIMER.C
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author: James R. Dose
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date: October 28, 1994
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Demonstrates how to set up multiple timers with TASK_MAN.
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(c) Copyright 1994 James R. Dose. All Rights Reserved.
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**********************************************************************/
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#include <conio.h>
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#include <dos.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "task_man.h"
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/*---------------------------------------------------------------------
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Function prototypes
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---------------------------------------------------------------------*/
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void TimerFunc( task *Task );
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#define TRUE ( 1 == 1 )
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#define FALSE ( !TRUE )
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/*---------------------------------------------------------------------
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Function: main
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---------------------------------------------------------------------*/
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void main
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(
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void
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)
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{
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task *Task1 = NULL;
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task *Task2 = NULL;
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task *Task3 = NULL;
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int Timer1;
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int Timer2;
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int Timer3;
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Timer1 = 0;
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Timer2 = 0;
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Timer3 = 0;
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Task1 = TS_ScheduleTask( &TimerFunc, 60, 1, &Timer1 );
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Task2 = TS_ScheduleTask( &TimerFunc, 129, 1, &Timer2 );
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printf( "First, Timer 1 is set to 60 ticks per second and Timer 2 is\n"
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"set to 129 ticks per second.\n" );
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// Start the first two scheduled tasks
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TS_Dispatch();
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// Wait 5 seconds
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while( Timer1 < 300 )
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{
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printf( "\rTimer 1 = %d\t\tTimer 2 = %d\t\tTimer 3 = %d",
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Timer1, Timer2, Timer3 );
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}
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printf( "\n\nThen, we start Timer 3 at 849 ticks per second.\n" );
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// Start the third task
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Task3 = TS_ScheduleTask( &TimerFunc, 849, 1, &Timer3 );
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TS_Dispatch();
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// Wait 5 seconds
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Timer1 = 0;
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while( Timer1 < 300 )
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{
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printf( "\rTimer 1 = %d\t\tTimer 2 = %d\t\tTimer 3 = %d",
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Timer1, Timer2, Timer3 );
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}
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printf( "\n\nNow we'll set Timer 2 to run at 1000 ticks per second.\n" );
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// Change the task's rate
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TS_SetTaskRate( Task2, 1000 );
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// Wait 5 seconds
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Timer1 = 0;
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while( Timer1 < 300 )
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{
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printf( "\rTimer 1 = %d\t\tTimer 2 = %d\t\tTimer 3 = %d",
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Timer1, Timer2, Timer3 );
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}
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printf("\n\nAnd finally, we'll halt Timer 2, leaving Timers 1 and 3 to "
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"continue.\n" );
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// Stop one of the timers
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TS_Terminate( Task2 );
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// Wait 5 seconds
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Timer1 = 0;
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while( Timer1 < 300 )
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{
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printf( "\rTimer 1 = %d\t\tTimer 2 = %d\t\tTimer 3 = %d",
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Timer1, Timer2, Timer3 );
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}
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printf( "\n\nAnd now we're done.\n" );
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// Terminate the other timers.
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TS_Terminate( Task1 );
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TS_Terminate( Task3 );
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// Shutdown TaskMan. Failure to do so could be fatal!!!
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TS_Shutdown();
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}
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/*---------------------------------------------------------------------
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Function: TimerFunc
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A simple timer example. Simply increments a timer passed in through
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the data pointer.
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---------------------------------------------------------------------*/
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void TimerFunc
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(
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task *Task
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)
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{
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( *( int * )Task->data )++;
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}
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