diff options
author | tv <tv@krebsco.de> | 2016-11-07 01:06:59 +0100 |
---|---|---|
committer | tv <tv@krebsco.de> | 2016-11-07 01:06:59 +0100 |
commit | eb876c996c48b993250e2f806e9f4891b42cba3c (patch) | |
tree | feeff7f62e11073271c629072122a92904e73a45 /tv/5pkgs | |
parent | a6a6427340dee681c6da5a683886c9a4032154ad (diff) |
tv q: report charge, power, and remaining time
Diffstat (limited to 'tv/5pkgs')
-rw-r--r-- | tv/5pkgs/q/default.nix | 110 |
1 files changed, 70 insertions, 40 deletions
diff --git a/tv/5pkgs/q/default.nix b/tv/5pkgs/q/default.nix index f923950..016da44 100644 --- a/tv/5pkgs/q/default.nix +++ b/tv/5pkgs/q/default.nix @@ -62,47 +62,77 @@ let fi ''; - q-power_supply = '' - for uevent in /sys/class/power_supply/*/uevent; do - if test -f $uevent; then - eval "$(${pkgs.gnused}/bin/sed -n ' - s/^\([A-Z_]\+=\)\(.*\)/\1'\'''\2'\'''/p - ' $uevent)" - - if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then - continue - fi - - charge_percentage=$(echo " - scale=2 - $POWER_SUPPLY_CHARGE_NOW / $POWER_SUPPLY_CHARGE_FULL - " | ${pkgs.bc}/bin/bc) - - lfc=$POWER_SUPPLY_CHARGE_FULL - rc=$POWER_SUPPLY_CHARGE_NOW - #rc=2800 - N=78; N=76 - N=10 - n=$(echo $N-1 | ${pkgs.bc}/bin/bc) - centi=$(echo "$rc*100/$lfc" | ${pkgs.bc}/bin/bc) - deci=$(echo "$rc*$N/$lfc" | ${pkgs.bc}/bin/bc) - energy_evel=$( - echo -n '☳ ' # TRIGRAM FOR THUNDER - if test $centi -ge 42; then echo -n '[1;32m' - elif test $centi -ge 23; then echo -n '[1;33m' - elif test $centi -ge 11; then echo -n '[1;31m' - else echo -n '[5;1;31m'; fi - for i in $(${pkgs.coreutils}/bin/seq 1 $deci); do - echo -n ■ - done - echo -n '[;30m' - for i in $(${pkgs.coreutils}/bin/seq $deci $n); do - echo -n ■ - done - echo '[m' $rc #/ $lfc - ) - echo "$energy_evel $charge_percentage" + q-power_supply = let + power_supply = pkgs.writeBash "power_supply" '' + set -efu + uevent=$1 + eval "$(${pkgs.gnused}/bin/sed -n ' + s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p + ' $uevent)" + if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then + exit # not battery fi + exec </dev/null + exec ${pkgs.gawk}/bin/awk ' + 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 { + voltage_unit = "V" + voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6 + voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6 + + current_unit = "A" + current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6 + + power_unit = "W" + power_now = current_now * voltage_now + + charge_unit = "Ah" + charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6 + charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6 + charge_ratio = charge_now / charge_full + + energy_unit = "Wh" + energy_full = charge_full * voltage_min_design + + printf "%s %s %d%% %.2f%s/%.2f%s %d%s/%.1f%s %s\n" \ + , ENVIRON["POWER_SUPPLY_NAME"] \ + , print_bar(10, charge_ratio) \ + , charge_ratio * 100 \ + , charge_now, charge_unit \ + , current_now, current_unit \ + , energy_full, energy_unit \ + , power_now, power_unit \ + , print_hm(charge_now / current_now) + } + ' + ''; + in '' + for uevent in /sys/class/power_supply/*/uevent; do + ${power_supply} "$uevent" done ''; |