/*
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 for scheduling of lowest priority thread
public class SchedLast {
static class Busy extends RtThread {
private int w, c;
Busy(int per, int i) {
super(10+i, per);
w = per*9/100;
c = i+'a';
}
public void run() {
for (;;) {
Dbg.wr(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) {
Dbg.initSer(); // use serial line for debug output
RtThread rt = new RtThread(9, 1000000) {
public void run() {
waitForNextPeriod();
int ts_old = Native.rd(Const.IO_US_CNT);
for (;;) {
waitForNextPeriod();
int ts = Native.rd(Const.IO_US_CNT);
Result.printPeriod(ts_old, ts);
ts_old = ts;
}
}
};
int i;
for (i=0; i<10; ++i) {
new Busy(100000, i);
}
RtThread.startMission();
// RtThread.debug();
// sleep
for (;;) {
Timer.wd();
try { RtThread.sleepMs(1200); } catch (Exception e) {}
}
}
}