diff options
| -rw-r--r-- | pkgs/simple/q-power_supply.nix | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/pkgs/simple/q-power_supply.nix b/pkgs/simple/q-power_supply.nix new file mode 100644 index 0000000..ef133bf --- /dev/null +++ b/pkgs/simple/q-power_supply.nix @@ -0,0 +1,146 @@ +{ 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|Mains) + 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(r) { + return \ + (r >= .1 ? bar_gradient[0] : bar_background) "■" \ + (r >= .2 ? bar_gradient[1] : bar_background) "■" \ + (r >= .3 ? bar_gradient[2] : bar_background) "■" \ + (r >= .4 ? bar_gradient[3] : bar_background) "■" \ + (r >= .5 ? bar_gradient[4] : bar_background) "■" \ + (r >= .6 ? bar_gradient[5] : bar_background) "■" \ + (r >= .7 ? bar_gradient[6] : bar_background) "■" \ + (r >= .8 ? bar_gradient[7] : bar_background) "■" \ + (r >= .9 ? bar_gradient[8] : bar_background) "■" \ + (r >= 1 ? bar_gradient[9] : bar_background) "■" \ + sgr() + } + + function rgb(r, g, b) { + return sgr("38;2;" r ";" g ";" b) + } + + function sgr(p) { + return "\x1b[" p "m" + } + + BEGIN { + bar_gradient[0] = rgb(216, 100, 83) + bar_gradient[1] = rgb(210, 113, 72) + bar_gradient[2] = rgb(201, 125, 65) + bar_gradient[3] = rgb(190, 137, 63) + bar_gradient[4] = rgb(178, 148, 67) + bar_gradient[5] = rgb(166, 158, 75) + bar_gradient[6] = rgb(153, 167, 88) + bar_gradient[7] = rgb(140, 174, 104) + bar_gradient[8] = rgb(127, 181, 122) + bar_gradient[9] = rgb(116, 187, 141) + bar_background = rgb( 64, 64, 64) + } + + END { + name = ENVIRON["POWER_SUPPLY_NAME"] + status = ENVIRON["POWER_SUPPLY_STATUS"] + + 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(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)) + } + + out = out " " status + + print out + } + ' + )} + + for uevent in /sys/class/power_supply/*/uevent; do + power_supply "$uevent" || : + done +'' |