From fa11fc45ca9191219c3965ad559ee8060f34a358 Mon Sep 17 00:00:00 2001
From: Tobias Mueller <tobias@srlabs.de>
Date: Mon, 16 Oct 2023 16:25:45 +0200
Subject: [PATCH] blue-merle: Display a shutdown message before finally halting
 the system

---
 files/usr/bin/blue-merle | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/files/usr/bin/blue-merle b/files/usr/bin/blue-merle
index 09e1317..72b45de 100644
--- a/files/usr/bin/blue-merle
+++ b/files/usr/bin/blue-merle
@@ -112,7 +112,8 @@ case $answer in
 	*) answer=1;;
 esac
 if [[ "$answer" -eq 1 ]]; then
-	echo {\"poweroff\": \"1\"} >/tmp/mcu_message && sleep 0.5 && killall -17 e750-mcu
+    echo '{ "msg": "Shutting down..." }' > /dev/ttyS0
+    halt -d 5
 else
 	echo "Resetting modem..."
 	until gl_modem AT AT+QPOWD | grep -q OK