tv q: report charge, power, and remaining time
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@ -62,47 +62,77 @@ let
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fi
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'';
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q-power_supply = ''
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for uevent in /sys/class/power_supply/*/uevent; do
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if test -f $uevent; then
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eval "$(${pkgs.gnused}/bin/sed -n '
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s/^\([A-Z_]\+=\)\(.*\)/\1'\'''\2'\'''/p
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' $uevent)"
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if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then
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continue
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fi
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charge_percentage=$(echo "
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scale=2
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$POWER_SUPPLY_CHARGE_NOW / $POWER_SUPPLY_CHARGE_FULL
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" | ${pkgs.bc}/bin/bc)
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lfc=$POWER_SUPPLY_CHARGE_FULL
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rc=$POWER_SUPPLY_CHARGE_NOW
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#rc=2800
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N=78; N=76
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N=10
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n=$(echo $N-1 | ${pkgs.bc}/bin/bc)
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centi=$(echo "$rc*100/$lfc" | ${pkgs.bc}/bin/bc)
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deci=$(echo "$rc*$N/$lfc" | ${pkgs.bc}/bin/bc)
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energy_evel=$(
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echo -n '☳ ' # TRIGRAM FOR THUNDER
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if test $centi -ge 42; then echo -n '[1;32m'
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elif test $centi -ge 23; then echo -n '[1;33m'
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elif test $centi -ge 11; then echo -n '[1;31m'
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else echo -n '[5;1;31m'; fi
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for i in $(${pkgs.coreutils}/bin/seq 1 $deci); do
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echo -n ■
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done
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echo -n '[;30m'
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for i in $(${pkgs.coreutils}/bin/seq $deci $n); do
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echo -n ■
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done
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echo '[m' $rc #/ $lfc
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)
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echo "$energy_evel $charge_percentage"
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q-power_supply = let
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power_supply = pkgs.writeBash "power_supply" ''
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set -efu
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uevent=$1
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eval "$(${pkgs.gnused}/bin/sed -n '
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s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p
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' $uevent)"
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if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then
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exit # not battery
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fi
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exec </dev/null
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exec ${pkgs.gawk}/bin/awk '
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function print_hm(h, m) {
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m = (h - int(h)) * 60
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return sprintf("%dh%dm", h, m)
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}
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function print_bar(n, r, t1, t2, t_col) {
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t1 = int(r * n)
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t2 = n - t1
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if (r >= .42) t_col = "1;32"
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else if (r >= 23) t_col = "1;33"
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else if (r >= 11) t_col = "1;31"
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else t_col = "5;1;31"
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return sgr(t_col) strdup("■", t1) sgr(";30") strdup("■", t2) sgr()
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}
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function sgr(p) {
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return "\x1b[" p "m"
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}
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function strdup(s,n,t) {
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t = sprintf("%"n"s","")
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gsub(/ /,s,t)
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return t
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}
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END {
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voltage_unit = "V"
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voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
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voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
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current_unit = "A"
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current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
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power_unit = "W"
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power_now = current_now * voltage_now
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charge_unit = "Ah"
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charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
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charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
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charge_ratio = charge_now / charge_full
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energy_unit = "Wh"
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energy_full = charge_full * voltage_min_design
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printf "%s %s %d%% %.2f%s/%.2f%s %d%s/%.1f%s %s\n" \
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, ENVIRON["POWER_SUPPLY_NAME"] \
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, print_bar(10, charge_ratio) \
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, charge_ratio * 100 \
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, charge_now, charge_unit \
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, current_now, current_unit \
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, energy_full, energy_unit \
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, power_now, power_unit \
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, print_hm(charge_now / current_now)
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}
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'
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'';
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in ''
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for uevent in /sys/class/power_supply/*/uevent; do
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${power_supply} "$uevent"
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done
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'';
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