From 747ba86120ca07918d6184a59cc8d62990726840 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Fri, 20 Oct 2017 21:59:43 +0200
Subject: Add some fun beep sound SFX

---
 make-boot-image.sh | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'make-boot-image.sh')

diff --git a/make-boot-image.sh b/make-boot-image.sh
index 335da4f..4813f99 100755
--- a/make-boot-image.sh
+++ b/make-boot-image.sh
@@ -549,6 +549,33 @@ tmux new-session -d "if $* ; then tmux kill-server; else tmux select-pane -P bg=
  select-pane -t:.0  \; \
  attach
 EOF
+add_initrd_script "/bin/sfx-load" <<"EOF"
+notes() {
+  echo 'print "n=CCDEEFFGAABB\na=nsnbnnsnbnbn\n(\n"; for (d=21;d<109;d++) {
+      scale=20; f=440*e((d-69)/12*l(2)); fr=f+0.0005; scale=3; fr=fr/1; scale=0; o=d/12-1; t=d%12;
+      print "echo ${n:",t,":1}${a:",t,":1}",o,"=",fr,"\n"
+    }; print ") | tr -d n"' | bc -l | busybox sh
+}
+
+sound() {
+	mode=$1; dur=$2; shift 2; args="-l0"
+	while [ -n "$1" ]; do
+		case $mode in
+			1) args="$args -n -f$1 -l$dur";;
+			2) args="$args -n -f$1 -l$(($2*dur))";;
+			3) args="$args -n -f$1 -l$(($2*dur)) -D$(($3*dur))";;
+		esac
+		shift $mode
+	done
+	beep $args
+}
+
+eval $(notes)
+alias sfx-question="sound 2 50 $E7 2 $C7 2 $E7 2 $C7 3"
+alias sfx-success="sound 1 140 $E6 $G6 $E7 $C7 $D7 $G7"
+alias sfx-failure="sound 3 100 $C5 1 3 $G4 1 3 $E4 3 0 $A4 2 0 $B4 2 0 $A4 2 0 $Ab4 3 0 $Bb4 3 0 $Ab4 3 0 $G4 6 0"
+alias sfx-starting="sound 1 25 $C5 $G4 $C5 $E5 $G5 $C6 $G5 $Ab4 $C5 $Eb5 $Ab5 $Eb5 $Ab5 $C6 $Eb6 $Ab6 $Eb6 $Bb4 $D5 $F5 $Bb5 $D6 $F6 $Bb6 $F6"
+EOF
 add_initrd_script "/bin/figlet-center" <<"EOF"
 # Output some center ASCII-art text, one line per argument
 printf '\033]2;'"$*"'\033\\' # Term title (tmux)
-- 
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