X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/5d6e2fa3d1bb8ce7a5af5543ba073f0aefd6b8a6..5cdae1d0ba99364e8a1a586217d37ac42271417e:/widgets/bat.lua diff --git a/widgets/bat.lua b/widgets/bat.lua index 2906de2..e1bc5d1 100644 --- a/widgets/bat.lua +++ b/widgets/bat.lua @@ -1,10 +1,10 @@ --[[ - - Licensed under GNU General Public License v2 - * (c) 2013, Luke Bonham - * (c) 2010-2012, Peter Hofmann - + + Licensed under GNU General Public License v2 + * (c) 2013, Luke Bonham + * (c) 2010-2012, Peter Hofmann + --]] local newtimer = require("lain.helpers").newtimer @@ -13,7 +13,7 @@ local first_line = require("lain.helpers").first_line local naughty = require("naughty") local wibox = require("wibox") -local math = { floor = math.floor } +local math = { floor = math.floor, min = math.min } local string = { format = string.format } local tonumber = tonumber @@ -21,118 +21,131 @@ local setmetatable = setmetatable -- Battery infos -- lain.widgets.bat -local bat = {} local function worker(args) - local args = args or {} - local timeout = args.timeout or 30 - local battery = args.battery or "BAT0" + local bat = {} + local args = args or {} + local timeout = args.timeout or 30 + local batteries = args.batteries or (args.battery and {args.battery}) or {"BAT0"} + local ac = args.ac or "AC0" + local notify = args.notify or "on" local settings = args.settings or function() end bat.widget = wibox.widget.textbox('') + bat_notification_low_preset = { + title = "Battery low", + text = "Plug the cable!", + timeout = 15, + fg = "#202020", + bg = "#CDCDCD" + } + + bat_notification_critical_preset = { + title = "Battery exhausted", + text = "Shutdown imminent", + timeout = 15, + fg = "#000000", + bg = "#FFFFFF" + } + function update() bat_now = { - status = "Not present", - perc = "N/A", - time = "N/A", - watt = "N/A" + status = "Not present", + ac_status = "N/A", + perc = "N/A", + time = "N/A", + watt = "N/A" } - local bstr = "/sys/class/power_supply/" .. battery - - local present = first_line(bstr .. "/present") + local sum_rate_current = 0 + local sum_rate_voltage = 0 + local sum_rate_power = 0 + local sum_energy_now = 0 + local sum_energy_full = 0 + local sum_energy_percentage = 0 - if present == "1" - then - local rate = first_line(bstr .. "/power_now") or - first_line(bstr .. "/current_now") + for i, battery in ipairs(batteries) do + local bstr = "/sys/class/power_supply/" .. battery + local present = first_line(bstr .. "/present") - local ratev = first_line(bstr .. "/voltage_now") + if present == "1" + then + -- current_now(I)[uA], voltage_now(U)[uV], power_now(P)[uW] + local rate_current = tonumber(first_line(bstr .. "/current_now")) + local rate_voltage = tonumber(first_line(bstr .. "/voltage_now")) + local rate_power = tonumber(first_line(bstr .. "/power_now")) - local rem = first_line(bstr .. "/energy_now") or - first_line(bstr .. "/charge_now") + -- energy_now(P)[uWh], charge_now(I)[uAh] + local energy_now = tonumber(first_line(bstr .. "/energy_now") or + first_line(bstr .. "/charge_now")) - local tot = first_line(bstr .. "/energy_full") or - first_line(bstr .. "/charge_full") + -- energy_full(P)[uWh], charge_full(I)[uAh] + local energy_full = tonumber(first_line(bstr .. "/energy_full") or + first_line(bstr .. "/charge_full")) - bat_now.status = first_line(bstr .. "/status") or "N/A" + local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or + math.floor((energy_now / energy_full) * 100) - rate = tonumber(rate) - ratev = tonumber(ratev) - rem = tonumber(rem) - tot = tonumber(tot) + if bat_now.status ~= "Charging" and bat_now.status ~= "Discharging" + then + bat_now.status = first_line(bstr .. "/status") or "N/A" + end - local time_rat = 0 - if bat_now.status == "Charging" - then - time_rat = (tot - rem) / rate - elseif bat_now.status == "Discharging" - then - time_rat = rem / rate + sum_rate_current = sum_rate_current + (rate_current or 0) + sum_rate_voltage = sum_rate_voltage + rate_voltage + sum_rate_power = sum_rate_power + (rate_power or ((rate_voltage * rate_current) / 1e6)) + sum_energy_now = sum_energy_now + energy_now + sum_energy_full = sum_energy_full + energy_full + sum_energy_percentage = sum_energy_percentage + energy_percentage end + end - local hrs = math.floor(time_rat) - if hrs < 0 then hrs = 0 elseif hrs > 23 then hrs = 23 end - - local min = math.floor((time_rat - hrs) * 60) - if min < 0 then min = 0 elseif min > 59 then min = 59 end - - bat_now.time = string.format("%02d:%02d", hrs, min) - - local perc = (rem / tot) * 100 - if perc <= 100 then - bat_now.perc = string.format("%d", perc) - elseif perc > 100 then - bat_now.perc = "100" - elseif perc < 0 then - bat_now.perc = "0" - end + local astr = "/sys/class/power_supply/" .. ac + bat_now.ac_status = first_line(astr .. "/online") or "N/A" - if rate ~= nil and ratev ~= nil then - bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12) - else - bat_now.watt = "N/A" + -- update {perc,time,watt} iff rate > 0 and battery not full + if ((sum_rate_current > 0) or (sum_rate_power > 0)) + and bat_now.status ~= "N/A" and bat_now.status ~= "Full" + then + local rate_time = 0 + if bat_now.status == "Charging" then + rate_time = (sum_energy_full - sum_energy_now) / (sum_rate_power or sum_rate_current) + elseif bat_now.status == "Discharging" then + rate_time = sum_energy_now / (sum_rate_power or sum_rate_current) end - -- notifications for low and critical states - if bat_now.status == "Discharging" - then - if tonumber(bat_now.perc) <= 5 - then - bat.id = naughty.notify({ - text = "shutdown imminent", - title = "battery nearly exhausted", - position = "top_right", - timeout = 15, - fg="#000000", - bg="#ffffff", - ontop = true, - replaces_id = bat.id - }).id - elseif tonumber(bat_now.perc) <= 15 - then - bat.id = naughty.notify({ - text = "plug the cable", - title = "battery low", - position = "top_right", - timeout = 15, - fg="#202020", - bg="#cdcdcd", - ontop = true, - replaces_id = bat.id - }).id - end - end + local hours = math.floor(rate_time) + local minutes = math.floor((rate_time - hours) * 60) + local watt = sum_rate_power / 1e6 + bat_now.perc = string.format("%d", math.min(100, sum_energy_percentage / table.getn(batteries))) + bat_now.time = string.format("%02d:%02d", hours, minutes) + bat_now.watt = string.format("%.2fW", watt) end widget = bat.widget settings() + + -- notifications for low and critical states + if bat_now.status == "Discharging" and notify == "on" and bat_now.perc then + local nperc = tonumber(bat_now.perc) or 100 + if nperc <= 5 then + bat.id = naughty.notify({ + preset = bat_notification_critical_preset, + replaces_id = bat.id, + }).id + elseif nperc <= 15 then + bat.id = naughty.notify({ + preset = bat_notification_low_preset, + replaces_id = bat.id, + }).id + end + end end - newtimer("bat", timeout, update) + newtimer(battery, timeout, update) - return bat.widget + return setmetatable(bat, { __index = bat.widget }) end -return setmetatable(bat, { __call = function(_, ...) return worker(...) end }) +return setmetatable({}, { __call = function(_, ...) return worker(...) end })