40 lines
1.4 KiB
Bash
40 lines
1.4 KiB
Bash
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#!/bin/sh
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# i3status wrapper for displaying correct battery status on N900/bq27200
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#
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# Author:
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# - Sicelo A. Mhlongo <absicsz@gmail.com> (2018)
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#
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# Based on i3status/contrib/net-speed.sh by
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#
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# - Moritz Warning <moritzwarning@web.de> (2016)
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# - Zhong Jianxin <azuwis@gmail.com> (2014)
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#
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# See file LICENSE in the i3status root directory for license information.
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#
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battery_path="/sys/class/power_supply/bq27200-0/"
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get_battery(){
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read capacity < "${battery_path}capacity"
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read chg_full < "${battery_path}charge_full"
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read voltage < "${battery_path}voltage_now"
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read disch_rate < "${battery_path}current_now"
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notification="$capacity%\/$(( ( chg_full / 1000 ) ))mAh -- $(( ( voltage / 1000 ) ))mV @ $(( ( disch_rate / -1000 ) ))mA"
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}
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# When 'output_mode' is set to "i3bar", i3status produces JSON output. We
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# must read and emit the first three lines of output without modification
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# as they make up the header. Once in the 'while' loop, we read a line of
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# output from i3status, remove the opening field delimiter ,[ and prepend
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# the calculated battery info and a delimiter
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/usr/bin/i3status -c ~/.config/i3/i3status.conf | ( read line && \
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echo "$line" && read line && echo "$line" && read line && echo "$line" && \
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while :
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do
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read line
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get_battery
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echo ",[{\"full_text\":\"${notification}\"},${line#,\[}" || exit 1
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done )
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