466357f5c2
This revision of DAHDI-Tools is the base revision for the switch to git. git-svn-id: http://svn.astersk.org/svn/dahdi/tools/tools/trunk@9159
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* Written by Mark Spencer <markster@digium.com>
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* Based on previous works, designs, and architectures conceived and
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* written by Jim Dixon <jim@lambdatel.com>.
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*
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* Copyright (C) 2001 Jim Dixon / Zapata Telephony.
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* Copyright (C) 2001-2008 Digium, Inc.
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*
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* All rights reserved.
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*
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* Primary Author: Mark Spencer <markster@digium.com>
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* Radio Support by Jim Dixon <jim@lambdatel.com>
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*/
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/*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2 as published by the
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* Free Software Foundation. See the LICENSE file included with
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* this program for more details.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <dahdi/user.h>
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#include "dahdi_tools_version.h"
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int main(int argc, char *argv[])
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{
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int fd;
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int x = 8000;
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int res;
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fd_set fds;
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struct timeval orig, now;
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fd = open("/dev/dahdi/timer", O_RDWR);
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if (fd < 0) {
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fprintf(stderr, "Unable to open timer: %s\n", strerror(errno));
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exit(1);
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}
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printf("Opened timer...\n");
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if (ioctl(fd, DAHDI_TIMERCONFIG, &x)) {
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fprintf(stderr, "Unable to set timer: %s\n", strerror(errno));
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exit(1);
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}
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printf("Set timer duration to %d samples (%d ms)\n", x, x/8);
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printf("Waiting...\n");
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gettimeofday(&orig, NULL);
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for(;;) {
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FD_ZERO(&fds);
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FD_SET(fd, &fds);
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res = select(fd + 1, NULL, NULL, &fds, NULL);
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if (res != 1) {
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fprintf(stderr, "Unexpected result %d: %s\n", res, strerror(errno));
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exit(1);
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}
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x = -1;
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if (ioctl(fd, DAHDI_TIMERACK, &x)) {
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fprintf(stderr, "Unable to ack timer: %s\n", strerror(errno));
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exit(1);
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}
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gettimeofday(&now, NULL);
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printf("Timer Expired (%ld ms)!\n", (now.tv_sec - orig.tv_sec) * 1000 + (now.tv_usec - orig.tv_usec) / 1000);
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}
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exit(0);
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}
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