[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/miscutils/beep.c b/ap/app/busybox/src/miscutils/beep.c
new file mode 100644
index 0000000..910e03e
--- /dev/null
+++ b/ap/app/busybox/src/miscutils/beep.c
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+/* vi: set sw=4 ts=4: */
+/*
+ * beep implementation for busybox
+ *
+ * Copyright (C) 2009 Bernhard Reutner-Fischer
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ *
+ */
+
+//usage:#define beep_trivial_usage
+//usage: "-f FREQ -l LEN -d DELAY -r COUNT -n"
+//usage:#define beep_full_usage "\n\n"
+//usage: " -f Frequency in Hz"
+//usage: "\n -l Length in ms"
+//usage: "\n -d Delay in ms"
+//usage: "\n -r Repetitions"
+//usage: "\n -n Start new tone"
+
+#include "libbb.h"
+
+#include <linux/kd.h>
+#ifndef CLOCK_TICK_RATE
+# define CLOCK_TICK_RATE 1193180
+#endif
+
+/* defaults */
+#ifndef CONFIG_FEATURE_BEEP_FREQ
+# define FREQ (4000)
+#else
+# define FREQ (CONFIG_FEATURE_BEEP_FREQ)
+#endif
+#ifndef CONFIG_FEATURE_BEEP_LENGTH_MS
+# define LENGTH (30)
+#else
+# define LENGTH (CONFIG_FEATURE_BEEP_LENGTH_MS)
+#endif
+#define DELAY (0)
+#define REPETITIONS (1)
+
+int beep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int beep_main(int argc, char **argv)
+{
+ int speaker = get_console_fd_or_die();
+ unsigned tickrate_div_freq = tickrate_div_freq; /* for compiler */
+ unsigned length = length;
+ unsigned delay = delay;
+ unsigned rep = rep;
+ int c;
+
+ c = 'n';
+ while (c != -1) {
+ if (c == 'n') {
+ tickrate_div_freq = CLOCK_TICK_RATE / FREQ;
+ length = LENGTH;
+ delay = DELAY;
+ rep = REPETITIONS;
+ }
+ c = getopt(argc, argv, "f:l:d:r:n");
+/* TODO: -s, -c:
+ * pipe stdin to stdout, but also beep after each line (-s) or char (-c)
+ */
+ switch (c) {
+ case 'f':
+/* TODO: what "-f 0" should do? */
+ tickrate_div_freq = (unsigned)CLOCK_TICK_RATE / xatou(optarg);
+ continue;
+ case 'l':
+ length = xatou(optarg);
+ continue;
+ case 'd':
+/* TODO:
+ * -d N, -D N
+ * specify a delay of N milliseconds between repetitions.
+ * -d specifies that this delay should only occur between beeps,
+ * that is, it should not occur after the last repetition.
+ * -D indicates that the delay should occur after every repetition
+ */
+ delay = xatou(optarg);
+ continue;
+ case 'r':
+ rep = xatou(optarg);
+ continue;
+ case 'n':
+ case -1:
+ break;
+ default:
+ bb_show_usage();
+ }
+ while (rep) {
+//bb_info_msg("rep[%d] freq=%d, length=%d, delay=%d", rep, freq, length, delay);
+ xioctl(speaker, KIOCSOUND, (void*)(uintptr_t)tickrate_div_freq);
+ usleep(1000 * length);
+ ioctl(speaker, KIOCSOUND, (void*)0);
+ if (--rep)
+ usleep(1000 * delay);
+ }
+ }
+
+ 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 \
+*/