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/////////////////////////////////////////////////////////////////////////
// $Id: speaker.cc,v 1.9 2006/08/03 16:01:23 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright 2003 by David N. Welton <davidw@dedasys.com>.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define BX_PLUGGABLE
#define NO_DEVICE_INCLUDES
#include "iodev.h"
#include "speaker.h"
#ifdef __linux__
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/kd.h>
#endif
#define LOG_THIS theSpeaker->
bx_speaker_c *theSpeaker= NULL;
int
libspeaker_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
{
theSpeaker = new bx_speaker_c ();
bx_devices.pluginSpeaker = theSpeaker;
BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theSpeaker, BX_PLUGIN_SPEAKER);
return(0); // Success
}
void
libspeaker_LTX_plugin_fini(void)
{
}
bx_speaker_c::bx_speaker_c() {
put("SPEAKER");
settype(SPEAKERLOG);
beep_frequency = 0.0; // Off
#ifdef __linux__
consolefd = open("/dev/console", O_WRONLY);
#endif
}
bx_speaker_c::~bx_speaker_c() {
#ifdef __linux__
if (consolefd) {
ioctl(consolefd, KIOCSOUND, 0);
close(consolefd);
}
#endif
}
void
bx_speaker_c::init(void)
{
#ifdef __linux__
if (consolefd != -1) {
BX_INFO(("Open /dev/console successfully"));
} else {
BX_INFO(("Failed to open /dev/console: %s", strerror(errno)));
BX_INFO(("Deactivating beep on console"));
}
#endif
this->beep_off();
}
void
bx_speaker_c::reset(unsigned type)
{
beep_off();
}
void bx_speaker_c::beep_on(float frequency)
{
beep_frequency = frequency;
#ifdef __linux__
if (consolefd != -1) {
this->info("pc speaker on with frequency %f", frequency);
ioctl(consolefd, KIOCSOUND, (int)(clock_tick_rate/frequency));
}
#elif defined(WIN32)
usec_start = bx_pc_system.time_usec();
#endif
// give the gui a chance to signal beep off
bx_gui->beep_on(frequency);
}
#if defined(WIN32)
struct {
DWORD frequency;
DWORD msec;
} beep_info;
DWORD WINAPI BeepThread(LPVOID)
{
static BOOL threadActive = FALSE;
while (threadActive) Sleep(10);
threadActive = TRUE;
Beep(beep_info.frequency, beep_info.msec);
threadActive = FALSE;
return 0;
}
#endif
void bx_speaker_c::beep_off()
{
if (beep_frequency != 0.0) {
#ifdef __linux__
if (consolefd != -1) {
ioctl(consolefd, KIOCSOUND, 0);
}
#elif defined(WIN32)
// FIXME: sound should start at beep_on() and end here
DWORD threadID;
beep_info.msec = (DWORD)((bx_pc_system.time_usec() - usec_start) / 1000);
beep_info.frequency = (DWORD)beep_frequency;
CreateThread(NULL, 0, BeepThread, NULL, 0, &threadID);
#endif
// give the gui a chance to signal beep off
bx_gui->beep_off();
beep_frequency = 0.0;
}
}
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