Colourful Battery Status script for Pine64 SOC board

pine64-battery.sh

#!/bin/bash

# See https://github.com/pfeerick/pine64-scripts/blob/master/pine64-battery-colour.sh 
# for updated versions of this script.

SWITCH="\033["
NORMAL="${SWITCH}0m"
RED="${SWITCH}1;31m"
GREEN="${SWITCH}1;32m"
YELLOW="${SWITCH}1;33m"
PURPLE="${SWITCH}1;35m"
BLUE="${SWITCH}1;34m"
CYAN="${SWITCH}1;36m"

BATT_PRESENT=$(</sys/class/power_supply/battery/present)

if [ "$BATT_PRESENT" = "1" ]; then
	BATT_STATUS=$(</sys/class/power_supply/battery/status)
	BATT_VOLTAGE=$(</sys/class/power_supply/battery/voltage_now)
	BATT_VOLTAGE=$(echo " (($BATT_VOLTAGE/10000)*0.01 ) "|bc)
	BATT_CURRENT=$(</sys/class/power_supply/battery/current_now)
	((BATT_CURRENT = BATT_CURRENT / 1000))
	BATT_CAPACITY=$(</sys/class/power_supply/battery/capacity)
	BATT_HEALTH=$(</sys/class/power_supply/battery/health)

	echo -e "${PURPLE}Pine64${NORMAL} reports ${GREEN}battery detected!${NORMAL}"
	echo -e "${YELLOW}Status:${NORMAL}" $BATT_STATUS
	echo -e "${YELLOW}Voltage:${NORMAL}" $BATT_VOLTAGE"v"
	echo -e "${YELLOW}Current:${NORMAL}" $BATT_CURRENT"ma"
	echo -e "${YELLOW}Capacity:${NORMAL}" $BATT_CAPACITY"%"
	echo -e "${YELLOW}Health:${NORMAL}" $BATT_HEALTH
else
	echo -e "${PURPLE}Pine64${NORMAL} reports ${RED}no battery connected!${NORMAL}"
fi

Currently depends on bc to convert the voltage integer to a floating point (decimal) number. Will be fixed in a later revision (maybe!). To install this dependency, run sudo apt-get install bc from your terminal or command line.

You can download this directly to your pine64 using (wget raw-view-url):

wget https://gist.github.com/pfeerick/05e5715733f00dcf303636c80abff598/raw/9bfca4be89ed219658426701b702a2663329f2df/pine64-battery.sh

Don't forget to make it executable after downloading!
chmod +x pine64-battery.sh

Great! It works perfectly. Thank you a lot

FYI, I've got an updated fork in the tree which abstracts the battery path into a single variable (i noticed that in a 4.19.x kernel it used a different path).

Thanks for that. 😄 This script is now part of a collection hosted at https://github.com/pfeerick/pine64-scripts/, and I've just added path detection based on your comment. Please let me know if there are any other changes needed.