From 933a00515b7a2527d83dfd1a7f2737284a0aed76 Mon Sep 17 00:00:00 2001
From: Evka2k <77075640+Evka2k@users.noreply.github.com>
Date: Fri, 5 Feb 2021 12:27:15 +0200
Subject: [PATCH] Helios64 UPS. System shutdown when battery reach 7.0V.
 (#2599)

* Helios64 UPS. System shutdown when battery reach 7.0V.
---
 .../sources/families/include/rockchip64_common.inc   |  1 +
 packages/bsp/helios64/helios64-ups.service           |  2 +-
 packages/bsp/helios64/helios64-ups.sh                | 12 ++++++++++++
 packages/bsp/helios64/helios64-ups.timer             |  3 ++-
 4 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100755 packages/bsp/helios64/helios64-ups.sh

diff --git a/config/sources/families/include/rockchip64_common.inc b/config/sources/families/include/rockchip64_common.inc
index 18634e632d..4f8fa8e1a4 100644
--- a/config/sources/families/include/rockchip64_common.inc
+++ b/config/sources/families/include/rockchip64_common.inc
@@ -410,6 +410,7 @@ family_tweaks_bsp()
 		# UPS service
 		cp $SRC/packages/bsp/helios64/helios64-ups.service $destination/lib/systemd/system/
 		cp $SRC/packages/bsp/helios64/helios64-ups.timer $destination/lib/systemd/system/
+		install -m 755 $SRC/packages/bsp/helios64/helios64-ups.sh $destination/usr/bin/helios64-ups.sh
 
 	fi
 
diff --git a/packages/bsp/helios64/helios64-ups.service b/packages/bsp/helios64/helios64-ups.service
index 7d160f6d4a..7dd43da703 100644
--- a/packages/bsp/helios64/helios64-ups.service
+++ b/packages/bsp/helios64/helios64-ups.service
@@ -3,4 +3,4 @@ Description=Helios64 UPS Action
 
 [Service]
 Type=oneshot
-ExecStart=/usr/sbin/poweroff
+ExecStart=/usr/bin/helios64-ups.sh
diff --git a/packages/bsp/helios64/helios64-ups.sh b/packages/bsp/helios64/helios64-ups.sh
new file mode 100755
index 0000000000..04fbf2280c
--- /dev/null
+++ b/packages/bsp/helios64/helios64-ups.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+#7.0V 	916 	Recommended threshold to force shutdown system
+TH=916
+
+val=$(cat '/sys/bus/iio/devices/iio:device0/in_voltage2_raw')
+sca=$(cat '/sys/bus/iio/devices/iio:device0/in_voltage_scale')
+adc=$(echo "$val * $sca / 1" | bc)
+
+if [ "$adc" -le $TH ]; then
+	/usr/sbin/poweroff
+fi
diff --git a/packages/bsp/helios64/helios64-ups.timer b/packages/bsp/helios64/helios64-ups.timer
index be01139a32..1ce7c68717 100644
--- a/packages/bsp/helios64/helios64-ups.timer
+++ b/packages/bsp/helios64/helios64-ups.timer
@@ -2,8 +2,9 @@
 Description=Helios64 UPS Shutdown timer on power loss
 
 [Timer]
-OnActiveSec=10m
+OnActiveSec=20
 AccuracySec=1s
+OnUnitActiveSec=10
 
 [Install]
 WantedBy=timers.target