/* 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 vm04; import joprt.RtThread; import util.Dbg; import com.jopdesign.sys.Const; import com.jopdesign.sys.Native; public class Periodic { public final static int CNT = 500; static int[] result; public static void main(String[] args) { Dbg.initSerWait(); // use serial line for debug output result = new int[CNT]; RtThread rt = new RtThread(10, 50) { public void run() { int ts, ts_old; int i; waitForNextPeriod(); waitForNextPeriod(); ts_old = Native.rd(Const.IO_US_CNT); for (i=0; i<CNT; ++i) { waitForNextPeriod(); ts = Native.rd(Const.IO_US_CNT); result[i] = ts-ts_old; ts_old = ts; } result(); } void result() { int max = 0; int min = 999999999; int i; for (i=0; i<CNT; ++i) { int diff = result[i]; if (diff<min) min = diff; if (diff>max) max = diff; Dbg.intVal(diff); Dbg.wr('\n'); } Dbg.intVal(min); Dbg.intVal(max); Dbg.wr('\n'); for (;;) waitForNextPeriod(); } }; RtThread.startMission(); forever(); } static void forever() { for (;;) { // Dbg.intVal(123456); ; // busy do nothing } } }