/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package testrt;
import util.*;
import joprt.*;
import com.jopdesign.sys.*;
// Measure time with a full thread queue
public class PeriodicFull {
static final int NUM_THREADS = 6;
static class Busy extends RtThread {
private int w;
private char c;
Busy(int per, char ch) {
super(5, per);
// w = per*90/100;
w = per/(NUM_THREADS+2); // some time for main thread
c = ch;
}
public void run() {
for (;;) {
System.out.print(c);
int ts = Native.rd(Const.IO_US_CNT);
ts += w;
// busy wait for period end
while (ts-Native.rd(Const.IO_US_CNT)>0)
;
waitForNextPeriod();
}
}
}
public static void main(String[] args) {
System.out.println("PeriodicFull test");
RtThread rt = new RtThread(10, 100000) {
public void run() {
waitForNextPeriod();
int ts_old = Native.rd(Const.IO_US_CNT);
for (;;) {
waitForNextPeriod();
int ts = Native.rd(Const.IO_US_CNT);
// System.out.print('*');
// Result.printPeriod(ts_old, ts);
ts_old = ts;
}
}
};
for (int i=0; i<NUM_THREADS; ++i) {
new Busy(1000000, (char) (i+'a'));
}
RtThread.startMission();
// sleep
for (;;) {
// RtThread.debug();
Timer.wd();
RtThread.sleepMs(1200);
System.out.print('M');
}
}
}