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comp / comp.unix.programmer / Re: Beeping in Linux

SubjectAuthor
* Beeping in LinuxMuttley
+- Re: Beeping in LinuxMarcel Mueller
`* Re: Beeping in Linuxwij
 `- Re: Beeping in LinuxMuttley

1
Subject: Beeping in Linux
From: Muttley@dastardlyhq.com
Newsgroups: comp.unix.programmer
Organization: A noiseless patient Spider
Date: Sun, 27 Oct 2024 08:21 UTC
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Muttley@dastardlyhq.com
Newsgroups: comp.unix.programmer
Subject: Beeping in Linux
Date: Sun, 27 Oct 2024 08:21:39 -0000 (UTC)
Organization: A noiseless patient Spider
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I'm looking at a way of making the machine beep without relying on having a
TTY available to send \7 to or going all heavyweight with ALSA.

I've found something online that mentioned ioctl() + the KDMTONE option but I
can't find any example code. Does anyone know how its done?

Thanks for any help

Subject: Re: Beeping in Linux
From: Marcel Mueller
Newsgroups: comp.unix.programmer
Organization: MB-NET.NET for Open-News-Network e.V.
Date: Sun, 27 Oct 2024 11:46 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!feeder2.eternal-september.org!news.mb-net.net!open-news-network.org!.POSTED!not-for-mail
From: news.5.maazl@spamgourmet.org (Marcel Mueller)
Newsgroups: comp.unix.programmer
Subject: Re: Beeping in Linux
Date: Sun, 27 Oct 2024 12:46:50 +0100
Organization: MB-NET.NET for Open-News-Network e.V.
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Am 27.10.24 um 09:21 schrieb Muttley@dastardlyhq.com:
> I'm looking at a way of making the machine beep without relying on having a
> TTY available to send \7 to or going all heavyweight with ALSA.

Many PC hardware has no embedded speaker anymore.

Marcel

Subject: Re: Beeping in Linux
From: wij
Newsgroups: comp.unix.programmer
Organization: A noiseless patient Spider
Date: Sun, 27 Oct 2024 12:00 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: wyniijj5@gmail.com (wij)
Newsgroups: comp.unix.programmer
Subject: Re: Beeping in Linux
Date: Sun, 27 Oct 2024 20:00:34 +0800
Organization: A noiseless patient Spider
Lines: 53
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On Sun, 2024-10-27 at 08:21 +0000, Muttley@dastardlyhq.com wrote:
> I'm looking at a way of making the machine beep without relying on having a
> TTY available to send \7 to or going all heavyweight with ALSA.
>
> I've found something online that mentioned ioctl() + the KDMTONE option but I
> can't find any example code. Does anyone know how its done?
>
> Thanks for any help
>

This is the beep(..) implement in libwy https://sourceforge.net/projects/cscall/files/latest/download
Root privilege is required.

/* Copyright is licensed by GNU LGPL, see file COPYING. by I.J.Wang 2018
This file is header only
*/
#ifndef WY_IOCTL_H__
#define WY_IOCTL_H__
#define WY_IOCTL_VERSION 69

#include <sys/ioctl.h>
#include <linux/kd.h>

#ifndef CLOCK_TICK_RATE
#define CLOCK_TICK_RATE 1193180
#endif

namespace Wy {

inline
Wy::Errno beep(Wy::FileHandle fh, unsigned int freq, unsigned int msec)
{ Wy::Errno r;
if(((msec&0xffff)!=msec)||(freq<=0)||(CLOCK_TICK_RATE/freq>0xffff)) {
WY_RETURN( EINVAL );
}
if((::ioctl(fh.fd(),KDMKTONE,( (msec<<16)|(CLOCK_TICK_RATE/freq) )))==-1) {
WY_RETURN(errno);
}
return Wy::Ok;
};

}; // end namespce Wy

#endif // end WY_IOCTL_H__

Subject: Re: Beeping in Linux
From: Muttley@dastardlyhq.com
Newsgroups: comp.unix.programmer
Organization: A noiseless patient Spider
Date: Sun, 27 Oct 2024 16:32 UTC
References: 1 2
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Muttley@dastardlyhq.com
Newsgroups: comp.unix.programmer
Subject: Re: Beeping in Linux
Date: Sun, 27 Oct 2024 16:32:33 -0000 (UTC)
Organization: A noiseless patient Spider
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On Sun, 27 Oct 2024 20:00:34 +0800
wij <wyniijj5@gmail.com> wrote:
>On Sun, 2024-10-27 at 08:21 +0000, Muttley@dastardlyhq.com wrote:
>> I'm looking at a way of making the machine beep without relying on having=
> a=20
>> TTY available to send \7 to or going all heavyweight with ALSA.=20
>>=20
>> I've found something online that mentioned ioctl() + the KDMTONE option b=
>ut I=20
>> can't find any example code. Does anyone know how its done?
>>=20
>> Thanks for any help
>>=20
>
>This is the beep(..) implement in libwy https://sourceforge.net/projects/cs=
>call/files/latest/download
>Root privilege is required.
>
>/* Copyright is licensed by GNU LGPL, see file COPYING. by I.J.Wang 2=
>018
>=20
> This file is header only
>*/
>#ifndef WY_IOCTL_H__
>#define WY_IOCTL_H__
>#define WY_IOCTL_VERSION 69
>
>#include <sys/ioctl.h>
>#include <linux/kd.h>
>
>#ifndef CLOCK_TICK_RATE
>#define CLOCK_TICK_RATE 1193180
>#endif
>
>namespace Wy {
>
>inline
>Wy::Errno beep(Wy::FileHandle fh, unsigned int freq, unsigned int msec)
>{
> Wy::Errno r;
> if(((msec&0xffff)!=3Dmsec)||(freq<=3D0)||(CLOCK_TICK_RATE/freq>0xffff)) {
> WY_RETURN( EINVAL );
> }
> if((::ioctl(fh.fd(),KDMKTONE,( (msec<<16)|(CLOCK_TICK_RATE/freq) )))=3D=3D=
>-1) {
> WY_RETURN(errno);
> }
> return Wy::Ok;
>};
>
>}; // end namespce Wy
>
>#endif // end WY_IOCTL_H__

Thanks

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