diff options
Diffstat (limited to 'dev/audio/h_pad.c')
-rw-r--r-- | dev/audio/h_pad.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dev/audio/h_pad.c b/dev/audio/h_pad.c new file mode 100644 index 000000000000..dd481ac1a85c --- /dev/null +++ b/dev/audio/h_pad.c @@ -0,0 +1,76 @@ +/* $NetBSD: h_pad.c,v 1.1 2010/08/04 13:15:15 pooka Exp $ */ + +/* + * Copyright (c) 2010 Antti Kantee. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> + +#include <rump/rump.h> +#include <rump/rump_syscalls.h> + +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "h_pad_musa.c" + +/* + * Stuff some audio into /dev/audio, read it from /dev/pad. Use in + * conjunction with t_pad, which tests that we got sensible output + * by comparing against a previous audibly good result. + */ + +#define BUFSIZE 1024 + +int +main(int argc, char *argv[]) +{ + char buf[BUFSIZE]; + char zeros[BUFSIZE]; + int padfd, audiofd; + ssize_t n; + + rump_init(); + audiofd = rump_sys_open("/dev/audio0", O_RDWR); + if (audiofd == -1) + err(1, "open audio"); + + padfd = rump_sys_open("/dev/pad0", O_RDONLY); + if (padfd == -1) + err(1, "open pad"); + + if ((n = rump_sys_write(audiofd, musa, sizeof(musa))) != sizeof(musa)) + err(1, "write"); + + memset(zeros, 0, sizeof(zeros)); + while ((n = rump_sys_read(padfd, buf, sizeof(buf))) > 0) { + if (memcmp(buf, zeros, sizeof(buf)) == 0) + break; + write(STDOUT_FILENO, buf, n); + } +} |