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@egecelikci
Last active June 12, 2019 05:21
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A shell script designed to keep battery log on Android devices
CAPACITYVOLTAGE=0
INTERVAL=1
while true; do
PREVVOLTAGE=$CAPACITYVOLTAGE
DATETIME=$(date +'%Y/%m/%d|%H:%M:%S')
CAPACITYVOLTAGE="$(( $(cat /sys/class/power_supply/battery/voltage_now) / 1000 ))"
CAPACITYPERCENT="$(cat /sys/class/power_supply/battery/capacity)"
DISCHARGE="+$(( $CAPACITYVOLTAGE - $PREVVOLTAGE ))"
TEMP="$(( $(cat /sys/class/power_supply/battery/temp) / 10))"
echo "${DATETIME} | ${CAPACITYPERCENT}% | $(echo ${DISCHARGE}|sed -e 's/^+-/-/')mA | ${CAPACITYVOLTAGE}mV | ${TEMP}°C";
sleep $INTERVAL;
done
2019/06/12|08:19:48 | 25% | +0mA | 3948mV | 38°C
2019/06/12|08:19:49 | 25% | +6mA | 3954mV | 38°C
2019/06/12|08:19:50 | 25% | +0mA | 3954mV | 39°C
2019/06/12|08:19:51 | 25% | -1mA | 3953mV | 39°C
2019/06/12|08:19:53 | 25% | +0mA | 3953mV | 39°C
2019/06/12|08:19:54 | 25% | +0mA | 3953mV | 39°C
2019/06/12|08:19:55 | 25% | +3mA | 3956mV | 39°C
2019/06/12|08:19:56 | 25% | +0mA | 3956mV | 39°C
2019/06/12|08:19:58 | 25% | -1mA | 3955mV | 39°C
2019/06/12|08:19:59 | 25% | +0mA | 3955mV | 39°C
2019/06/12|08:20:00 | 25% | -2mA | 3953mV | 38°C
2019/06/12|08:20:01 | 25% | +0mA | 3953mV | 38°C
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