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|
{ gawk, gnused, writeDashBin }:
writeDashBin "q-power_supply" ''
power_supply() {(
set -efu
uevent=$1
eval "$(${gnused}/bin/sed -n '
s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p
' $uevent)"
case $POWER_SUPPLY_NAME in
AC)
exit # not battery
;;
esac
exec </dev/null
exec ${gawk}/bin/awk '
function die(s) {
printf "%s: %s\n", name, s
exit 1
}
function print_hm(h, m) {
m = (h - int(h)) * 60
return sprintf("%dh%dm", h, m)
}
function print_bar(n, r, t1, t2, t_col) {
t1 = int(r * n)
t2 = n - t1
if (r >= .42) t_col = "1;32"
else if (r >= 23) t_col = "1;33"
else if (r >= 11) t_col = "1;31"
else t_col = "5;1;31"
return sgr(t_col) strdup("■", t1) sgr(";30") strdup("■", t2) sgr()
}
function sgr(p) {
return "\x1b[" p "m"
}
function strdup(s,n,t) {
t = sprintf("%"n"s","")
gsub(/ /,s,t)
return t
}
END {
name = ENVIRON["POWER_SUPPLY_NAME"]
charge_unit = "Ah"
charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
current_unit = "A"
current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
energy_unit = "Wh"
energy_now = ENVIRON["POWER_SUPPLY_ENERGY_NOW"] / 10^6
energy_full = ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
power_unit = "W"
power_now = ENVIRON["POWER_SUPPLY_POWER_NOW"] / 10^6
voltage_unit = "V"
voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
#printf "charge_now: %s\n", charge_now
#printf "charge_full: %s\n", charge_full
#printf "current_now: %s\n", current_now
#printf "energy_now: %s\n", energy_now
#printf "energy_full: %s\n", energy_full
#printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"]
#printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
#printf "power_now: %s\n", power_now
#printf "voltage_now: %s\n", voltage_now
if (current_now == 0 && voltage_now != 0) {
current_now = power_now / voltage_now
}
if (power_now == 0) {
power_now = current_now * voltage_now
}
if (charge_now == 0 && voltage_min_design != 0) {
charge_now = energy_now / voltage_min_design
}
if (energy_now == 0) {
energy_now = charge_now * voltage_min_design
}
if (charge_full == 0 && voltage_min_design != 0) {
charge_full = energy_full / voltage_min_design
}
if (energy_full == 0) {
energy_full = charge_full * voltage_min_design
}
if (charge_now == 0 || charge_full == 0) {
die("unknown charge")
}
charge_ratio = charge_now / charge_full
out = out name
out = out sprintf(" %s", print_bar(10, charge_ratio))
out = out sprintf(" %d%", charge_ratio * 100)
out = out sprintf(" %.2f%s", charge_now, charge_unit)
if (current_now != 0) {
out = out sprintf("/%.1f%s", current_now, current_unit)
}
out = out sprintf(" %d%s", energy_full, energy_unit)
if (power_now != 0) {
out = out sprintf("/%.1f%s", power_now, power_unit)
}
if (current_now != 0) {
out = out sprintf(" %s", print_hm(charge_now / current_now))
}
print out
}
'
)}
for uevent in /sys/class/power_supply/*/uevent; do
power_supply "$uevent" || :
done
''
|
