/* $NetBSD: h_pad.c,v 1.2 2016/10/15 07:08:06 nat 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(); padfd = rump_sys_open("/dev/pad0", O_RDONLY); if (padfd == -1) err(1, "open pad"); audiofd = rump_sys_open("/dev/audio0", O_RDWR); if (audiofd == -1) err(1, "open audio"); 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); } } |