1 /* $NetBSD: h_pad.c,v 1.2 2016/10/15 07:08:06 nat Exp $ */
2
3 /*
4 * Copyright (c) 2010 Antti Kantee. All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/types.h>
29
30 #include <rump/rump.h>
31 #include <rump/rump_syscalls.h>
32
33 #include <err.h>
34 #include <fcntl.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39
40 #include "h_pad_musa.c"
41
42 /*
43 * Stuff some audio into /dev/audio, read it from /dev/pad. Use in
44 * conjunction with t_pad, which tests that we got sensible output
45 * by comparing against a previous audibly good result.
46 */
47
48 #define BUFSIZE 1024
49
50 int
main(int argc,char * argv[])51 main(int argc, char *argv[])
52 {
53 char buf[BUFSIZE];
54 char zeros[BUFSIZE];
55 int padfd, audiofd;
56 ssize_t n;
57
58 rump_init();
59 padfd = rump_sys_open("/dev/pad0", O_RDONLY);
60 if (padfd == -1)
61 err(1, "open pad");
62
63 audiofd = rump_sys_open("/dev/audio0", O_RDWR);
64 if (audiofd == -1)
65 err(1, "open audio");
66
67 if ((n = rump_sys_write(audiofd, musa, sizeof(musa))) != sizeof(musa))
68 err(1, "write");
69
70 memset(zeros, 0, sizeof(zeros));
71 while ((n = rump_sys_read(padfd, buf, sizeof(buf))) > 0) {
72 if (memcmp(buf, zeros, sizeof(buf)) == 0)
73 break;
74 write(STDOUT_FILENO, buf, n);
75 }
76 }
77