From 727ab9ae83e2e0a0033f23e3a86220a977984370 Mon Sep 17 00:00:00 2001
From: Satu Koskinen <satu.a.koskinen@gmail.com>
Date: Sat, 18 Feb 2023 22:29:03 +0200
Subject: [PATCH] Add configuration for a shutdown button

---
 scripts/setup-raspberry-pi.sh    |  7 +++++++
 scripts/setup-shutdown-button.sh | 11 +++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 scripts/setup-shutdown-button.sh

diff --git a/scripts/setup-raspberry-pi.sh b/scripts/setup-raspberry-pi.sh
index d889d26..841ae6e 100644
--- a/scripts/setup-raspberry-pi.sh
+++ b/scripts/setup-raspberry-pi.sh
@@ -63,6 +63,13 @@ echo
 
 cd "$DIR_PATH" && ./hydrophonitor/scripts/setup-pressure-depth.sh
 
+# Setup shutdown button
+echo
+echo "### Setup shutdown button"
+echo
+
+cd "$DIR_PATH" && ./hydrophonitor/scripts/setup-shutdown-button.sh
+
 # Set up cron job to start the recordings at boot
 echo
 echo "### Set up a cron job to start the recordings at boot"
diff --git a/scripts/setup-shutdown-button.sh b/scripts/setup-shutdown-button.sh
new file mode 100644
index 0000000..acdc2f0
--- /dev/null
+++ b/scripts/setup-shutdown-button.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -ex
+
+echo "Setting up shutdown button"
+
+config="dtoverlay=gpio-shutdown,gpio_pin=21,gpio_pull=up,active_low=1"
+
+if ! grep -q "$config" /boot/config.txt; then
+  echo "$config" | sudo tee -a /boot/config.txt
+fi