add simple beep applet

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer 2009-08-21 13:18:31 +02:00
parent e10db56aa3
commit 45de0746b3
5 changed files with 137 additions and 0 deletions

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@ -80,6 +80,7 @@ IF_ASH(APPLET(ash, _BB_DIR_BIN, _BB_SUID_DROP))
IF_AWK(APPLET_NOEXEC(awk, awk, _BB_DIR_USR_BIN, _BB_SUID_DROP, awk))
IF_BASENAME(APPLET_NOFORK(basename, basename, _BB_DIR_USR_BIN, _BB_SUID_DROP, basename))
IF_BBCONFIG(APPLET(bbconfig, _BB_DIR_BIN, _BB_SUID_DROP))
IF_BEEP(APPLET(beep, _BB_DIR_USR_BIN, _BB_SUID_DROP))
//IF_BBSH(APPLET(bbsh, _BB_DIR_BIN, _BB_SUID_DROP))
IF_BLKID(APPLET(blkid, _BB_DIR_SBIN, _BB_SUID_DROP))
IF_BRCTL(APPLET(brctl, _BB_DIR_USR_SBIN, _BB_SUID_DROP))

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@ -145,6 +145,16 @@
"$ basename /foo/bar.txt .txt\n" \
"bar"
#define beep_trivial_usage \
"-f freq -l length -d delay -r repetitions -n"
#define beep_full_usage "\n\n" \
"Options:\n" \
"\n -f Frequency in Hz" \
"\n -l Length in ms" \
"\n -d Delay in ms" \
"\n -r Repetitions" \
"\n -n Start new tone" \
#define fbsplash_trivial_usage \
"-s IMGFILE [-c] [-d DEV] [-i INIFILE] [-f CMD]"
#define fbsplash_full_usage "\n\n" \

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@ -19,6 +19,12 @@ config BBCONFIG
The bbconfig applet will print the config file with which
busybox was built.
config BEEP
bool "beep"
default n
help
The beep applets beeps in a given freq/Hz.
config CHAT
bool "chat"
default n

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@ -7,6 +7,7 @@
lib-y:=
lib-$(CONFIG_ADJTIMEX) += adjtimex.o
lib-$(CONFIG_BBCONFIG) += bbconfig.o
lib-$(CONFIG_BEEP) += beep.o
lib-$(CONFIG_CHAT) += chat.o
lib-$(CONFIG_CHRT) += chrt.o
lib-$(CONFIG_CROND) += crond.o

119
miscutils/beep.c Normal file
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@ -0,0 +1,119 @@
/* vi: set sw=4 ts=4: */
/*
* beep implementation for busybox
*
* Copyright (C) 2009 Bernhard Reutner-Fischer
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
*/
#include "libbb.h"
#include <linux/kd.h>
#ifndef CLOCK_TICK_RATE
#define CLOCK_TICK_RATE 1193180
#endif
#define OPT_f (1<<0)
#define OPT_l (1<<1)
#define OPT_d (1<<2)
#define OPT_r (1<<3)
/* defaults */
#define FREQ (4440)
#define LENGTH (50)
#define DELAY (0)
#define REPETITIONS (1)
#define GET_ARG do { if (!*++opt) opt = *++argv; if (opt == NULL) bb_show_usage();} while (0)
#define NEW_BEEP() { \
freq = FREQ; \
length = LENGTH; \
delay = DELAY; \
rep = REPETITIONS; \
}
int beep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int beep_main(int argc UNUSED_PARAM, char **argv)
{
int speaker = get_console_fd_or_die();
unsigned freq, length, delay, rep;
unsigned long ioctl_arg;
char *opt = NULL;
bool do_parse = true;
NEW_BEEP()
while (*argv && *++argv) {
opt = *argv;
while (*opt == '-')
++opt;
if (do_parse)
switch (*opt) {
case 'f':
GET_ARG;
freq = xatoul(opt);
continue;
case 'l':
GET_ARG;
length = xatoul(opt);
continue;
case 'd':
GET_ARG;
delay = xatoul(opt);
continue;
case 'r':
GET_ARG;
rep = xatoul(opt);
continue;
case 'n':
break;
default:
bb_show_usage();
break;
}
again:
while (rep) {
//bb_info_msg("rep[%d] freq=%d, length=%d, delay=%d", rep, freq, length, delay);
ioctl_arg = (int)(CLOCK_TICK_RATE/freq);
xioctl(speaker, KIOCSOUND, (void*)ioctl_arg);
usleep(1000 * length);
ioctl(speaker, KIOCSOUND, 0);
if (rep--)
usleep(delay);
}
if (opt && *opt == 'n')
NEW_BEEP()
if (!do_parse && *argv == NULL)
goto out;
}
do_parse = false;
goto again;
out:
if (ENABLE_FEATURE_CLEAN_UP)
close(speaker);
return EXIT_SUCCESS;
}
/*
* so, e.g. Beethoven's 9th symphony "Ode an die Freude" would be
* something like:
a=$((220*3))
b=$((247*3))
c=$((262*3))
d=$((294*3))
e=$((329*3))
f=$((349*3))
g=$((392*3))
#./beep -f$d -l200 -r2 -n -f$e -l100 -d 10 -n -f$c -l400 -f$g -l200
./beep -f$e -l200 -r2 \
-n -d 100 -f$f -l200 \
-n -f$g -l200 -r2 \
-n -f$f -l200 \
-n -f$e -l200 \
-n -f$d -l200 \
-n -f$c -l200 -r2 \
-n -f$d -l200 \
-n -f$e -l200 \
-n -f$e -l400 \
-n -f$d -l100 \
-n -f$d -l200 \
*/