From c93c5acc41c53da4ff12086ebd48a030cea9e78a Mon Sep 17 00:00:00 2001
From: Dejvino <dejvino@gmail.com>
Date: Mon, 14 Dec 2020 14:14:43 +0100
Subject: [PATCH] Add volume control and more announcement templates.

---
 bin/announce-freeform  | 14 ++++++++++++++
 bin/announce-midnight  | 15 +++++++++++++++
 bin/emergency-freeform | 23 +++++++++++++++++++++++
 bin/emergency-test     |  3 +++
 bin/pa-lib             | 18 ++++++++++++++++++
 5 files changed, 73 insertions(+)
 create mode 100755 bin/announce-freeform
 create mode 100755 bin/announce-midnight
 create mode 100755 bin/emergency-freeform

diff --git a/bin/announce-freeform b/bin/announce-freeform
new file mode 100755
index 0000000..7f7a136
--- /dev/null
+++ b/bin/announce-freeform
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+source pa-lib
+
+pa-preheat
+
+pa-announcement
+
+pa-say "$@"
+
+pa-announcement-quick
+
+pa-shutdown
+
diff --git a/bin/announce-midnight b/bin/announce-midnight
new file mode 100755
index 0000000..adf00a6
--- /dev/null
+++ b/bin/announce-midnight
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+source pa-lib
+
+pa-preheat
+
+pa-volume-quiet
+pa-announcement
+
+pa-say "It is midnight."
+
+pa-announcement-quick
+
+pa-shutdown
+
diff --git a/bin/emergency-freeform b/bin/emergency-freeform
new file mode 100755
index 0000000..5411f74
--- /dev/null
+++ b/bin/emergency-freeform
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+source pa-lib
+
+pa-preheat
+
+pa-volume-loud
+pa-announcement-quickest
+
+emergency-light on
+
+sleep 1
+
+pa-say "$@"
+
+sleep 1
+
+emergency-light off
+
+pa-announcement-quick
+
+pa-shutdown
+
diff --git a/bin/emergency-test b/bin/emergency-test
index 55c8835..e443d2b 100755
--- a/bin/emergency-test
+++ b/bin/emergency-test
@@ -6,11 +6,13 @@ pa-preheat
 
 pa-announcement-quickest
 
+pa-volume-normal
 pa-say "Test of emergency warning system will begin."
 
 sleep 1
 
 emergency-light	on
+pa-volume-loud
 pa-say "This is only a test. In the event of an emergency, this emergency warning light would be used to declare an emergency."
 pa-say "This is only a test."
 
@@ -18,6 +20,7 @@ sleep 1
 
 emergency-light off
 
+pa-volume-normal
 pa-say "This was a test of the emergency warning light system. Thank you for your cooperation."
 
 pa-announcement-quick
diff --git a/bin/pa-lib b/bin/pa-lib
index 5844f60..4cf622c 100644
--- a/bin/pa-lib
+++ b/bin/pa-lib
@@ -15,9 +15,26 @@ function play() {
 	$PLAYER $@ > /dev/null 2>&1
 }
 
+function pa-volume() {
+	amixer cset numid=3,iface=MIXER,name='Line Out Playback Volume' $1 > /dev/null
+}
+
+function pa-volume-normal() {
+	pa-volume 15
+}
+
+function pa-volume-loud() {
+	pa-volume 25
+}
+
+function pa-volume-quiet() {
+	pa-volume 8
+}
+
 function pa-preheat() {
 	info "PA Preheating"
 	pa-power off
+	pa-volume-normal
 	play $SOUNDS/announcement_4-tone_up_quickest.ogg
 	pa-power on
 	info "PA Ready"
@@ -26,6 +43,7 @@ function pa-preheat() {
 function pa-shutdown() {
 	info "PA Shutdown"
 	pa-power off
+	pa-volume-normal
 }
 
 function pa-announcement() {