1 /* main.c - IOMultiplexer
2 * Copyright (C) 2012 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "../../IOHandler/IOHandler.h"
21 #include "../../IOHandler/IOTimer.h"
22 #include "../../IOHandler/IOLog.h"
24 #define TEST_DURATION 100
26 static IOTIMER_CALLBACK(io_callback);
27 static IOLOG_CALLBACK(io_log);
29 static struct timeval test_clock1, test_clock2;
30 static int timercount;
32 int main(int argc, char *argv[]) {
34 iolog_register_callback(io_log);
36 gettimeofday(&test_clock1, NULL);
37 gettimeofday(&test_clock2, NULL);
40 tv.tv_sec = TEST_DURATION / 1000;
41 tv.tv_usec = TEST_DURATION % 1000 * 1000;
42 struct IOTimerDescriptor *timer = iotimer_create(NULL);
43 iotimer_set_callback(timer, io_callback);
44 iotimer_set_autoreload(timer, &tv);
49 printf("[timer 0] %ld.%ld\n", test_clock1.tv_sec, test_clock1.tv_usec);
55 static IOTIMER_CALLBACK(io_callback) {
56 struct timeval curr_time;
61 gettimeofday(&curr_time, NULL);
62 diff1 = (curr_time.tv_sec - test_clock1.tv_sec) * 1000 + ((curr_time.tv_usec - test_clock1.tv_usec) / 1000);
63 diff2 = (curr_time.tv_sec - test_clock2.tv_sec) * 1000 + ((curr_time.tv_usec - test_clock2.tv_usec) / 1000.0);
64 diff2 -= (timercount * TEST_DURATION);
65 gettimeofday(&test_clock1, NULL);
66 printf("[timer %03d] %ld.%06ld [%d ms] accuracy: %f ms\n", timercount, curr_time.tv_sec, curr_time.tv_usec, diff1, diff2);
69 static IOLOG_CALLBACK(io_log) {