Working on LED Battery Status Service

packages/hardware/quirks/devices/Anbernic RG552/001-deviceconfig

@@ -14,6 +14,7 @@ DEVICE_JACK="8"
 DEVICE_HEADPHONE_DEV="/dev/input/by-path/platform-es8316-sound-event"
 DEVICE_HAS_HDMI=true
 DEVICE_HDMI_GPIO="54"
+DEVICE_BATTERY_LED_STATUS=true
 UI_SERVICE="weston.service"
 
 DEVICE_TEMP_SENSOR=("/sys/devices/virtual/thermal/thermal_zone0/temp" "/sys/devices/virtual/thermal/thermal_zone1/temp")

packages/hardware/quirks/profile.d/999-export

@@ -12,6 +12,7 @@ export  SLOW_CORES \
 	GPU_FREQ \
 	DEVICE_AUDIO_MIXER \
 	DEVICE_BRIGHTNESS \
+	DEVICE_BATTERY_LED_STATUS \
 	DEVICE_FAKE_JACKSENSE \
 	DEVICE_FUNC_KEYA_MODIFIER \
 	DEVICE_FUNC_KEYB_MODIFIER \

packages/sysutils/system-utils/sources/autostart/common/008-deviceutils

@@ -35,3 +35,11 @@ then
 else
   nohup systemctl stop hdmi &
 fi
+
+if [ "${DEVICE_BATTERY_LED_STATUS}" == "true" ]
+then
+  tocon "Starting battery led status service..."
+  nohup systemctl start batteryledstatus &
+else
+  nohup systemctl stop batteryledstatus &
+fi

packages/sysutils/system-utils/sources/devices/RK3399/battery_led_status

@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2020-present Fewtarius
+
+# Simple script to watch the battery capacity and
+# turn the power LED red when it reaches 25%
+
+. /etc/profile
+
+function set_led() {
+  case $1 in
+    red)
+      echo 0 > /sys/class/leds/battery_green/brightness
+      echo 1 > /sys/class/leds/battery_red/brightness
+    ;;
+    green)
+      echo 1 > /sys/class/leds/battery_green/brightness
+      echo 0 > /sys/class/leds/battery_red/brightness
+    ;;
+    orange)
+      echo 1 > /sys/class/leds/battery_green/brightness
+      echo 1 > /sys/class/leds/battery_red/brightness
+    ;;
+    off)
+      echo 0 > /sys/class/leds/battery_green/brightness
+      echo 0 > /sys/class/leds/battery_red/brightness
+    ;;
+  esac
+}
+
+
+while true
+do
+  CAP=$(cat /sys/class/power_supply/battery/capacity)
+  STAT=$(cat /sys/class/power_supply/battery/status)
+  if [ ${STAT} == "Discharging" ]
+  then
+    if (( ${CAP} <= 10 ))
+    then
+      for ctr in $(seq 1 1 5)
+      do
+        set_led red
+        sleep .5
+        set_led off
+        sleep .5
+      done
+      continue
+    elif (( ${CAP} <= 25 ))
+    then
+      set_led red
+    elif (( ${CAP} <= 49 ))
+    then
+      set_led orange
+    else
+      set_led green
+    fi
+  elif (( ${CAP} >= 95 ))
+  then
+    set_led green
+  fi
+  sleep 15
+done

packages/sysutils/system-utils/system.d/batteryledstatus.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Battery LED Status
+Before=jelos.target
+
+[Service]
+Environment=HOME=/storage
+EnvironmentFile=/etc/profile
+ExecStart=/usr/bin/battery_led_status
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target