[git commit] add simple beep applet
Bernhard Reutner-Fischer
rep.dot.nop at gmail.com
Fri Aug 21 11:18:31 UTC 2009
commit: http://git.busybox.net/busybox/commit/?id=45de0746b33b3716101caa5fa08ee601221dce39
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
---
include/applets.h | 1 +
include/usage.h | 10 ++++
miscutils/Config.in | 6 +++
miscutils/Kbuild | 1 +
miscutils/beep.c | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 137 insertions(+), 0 deletions(-)
create mode 100644 miscutils/beep.c
diff --git a/include/applets.h b/include/applets.h
index d4fbbc9..9b6b54e 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -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))
diff --git a/include/usage.h b/include/usage.h
index 8a5c7a0..227ed80 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -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" \
diff --git a/miscutils/Config.in b/miscutils/Config.in
index 6890447..7209d29 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -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
diff --git a/miscutils/Kbuild b/miscutils/Kbuild
index e378a09..d88cb39 100644
--- a/miscutils/Kbuild
+++ b/miscutils/Kbuild
@@ -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
diff --git a/miscutils/beep.c b/miscutils/beep.c
new file mode 100644
index 0000000..d5c3531
--- /dev/null
+++ b/miscutils/beep.c
@@ -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 \
+*/
--
1.6.3.3
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