163 lines
3.8 KiB
C++
163 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: speaker.cc,v 1.8 2005-12-10 18:37:35 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2003 by David N. Welton <davidw@dedasys.com>.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#define BX_PLUGGABLE
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#define NO_DEVICE_INCLUDES
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#include "iodev.h"
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#include "speaker.h"
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#ifdef __linux__
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <linux/kd.h>
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#endif
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#if defined(__APPLE__) || defined(macintosh)
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#define Float32 KLUDGE_Float32 // Carbon headers define Float32 and Float64
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#define Float64 KLUDGE_Float64 // and conflict with bochs definitions
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#include <Carbon/Carbon.h> // but this code doesn't need them.
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#endif
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#define LOG_THIS theSpeaker->
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bx_speaker_c *theSpeaker= NULL;
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int
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libspeaker_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
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{
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theSpeaker = new bx_speaker_c ();
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bx_devices.pluginSpeaker = theSpeaker;
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BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theSpeaker, BX_PLUGIN_SPEAKER);
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return(0); // Success
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}
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void
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libspeaker_LTX_plugin_fini(void)
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{
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}
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bx_speaker_c::bx_speaker_c() {
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put("SPEAKER");
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settype(SPEAKERLOG);
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beep_frequency = 0.0; // Off
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#ifdef __linux__
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consolefd = open("/dev/console", O_WRONLY);
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#endif
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}
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bx_speaker_c::~bx_speaker_c() {
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#ifdef __linux__
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if (consolefd) {
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ioctl(consolefd, KIOCSOUND, 0);
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close(consolefd);
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}
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#endif
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}
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void
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bx_speaker_c::init(void)
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{
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#ifdef __linux__
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if (consolefd != -1) {
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BX_INFO(("Open /dev/console successfully"));
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} else {
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BX_INFO(("Failed to open /dev/console: %s", strerror(errno)));
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BX_INFO(("Deactivating beep on console"));
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}
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#endif
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this->beep_off();
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}
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void
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bx_speaker_c::reset(unsigned type)
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{
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beep_off();
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}
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void bx_speaker_c::beep_on(float frequency)
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{
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beep_frequency = frequency;
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#ifdef __linux__
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if (consolefd != -1) {
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this->info("pc speaker on with frequency %f", frequency);
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ioctl(consolefd, KIOCSOUND, (int)(clock_tick_rate/frequency));
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}
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#elif defined(WIN32)
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usec_start = bx_pc_system.time_usec();
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#elif defined(__APPLE__) || defined(macintosh)
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AlertSoundPlay();
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#endif
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// give the gui a chance to signal beep off
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bx_gui->beep_on(frequency);
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}
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#if defined(WIN32)
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struct {
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DWORD frequency;
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DWORD msec;
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} beep_info;
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DWORD WINAPI BeepThread(LPVOID)
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{
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static BOOL threadActive = FALSE;
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while (threadActive) Sleep(10);
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threadActive = TRUE;
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Beep(beep_info.frequency, beep_info.msec);
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threadActive = FALSE;
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return 0;
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}
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#endif
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void bx_speaker_c::beep_off()
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{
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if (beep_frequency != 0.0) {
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#ifdef __linux__
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if (consolefd != -1) {
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ioctl(consolefd, KIOCSOUND, 0);
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}
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#elif defined(WIN32)
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// FIXME: sound should start at beep_on() and end here
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DWORD threadID;
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beep_info.msec = (DWORD)((bx_pc_system.time_usec() - usec_start) / 1000);
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beep_info.frequency = (DWORD)beep_frequency;
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CreateThread(NULL, 0, BeepThread, NULL, 0, &threadID);
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#endif
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// give the gui a chance to signal beep off
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bx_gui->beep_off();
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beep_frequency = 0.0;
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}
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}
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