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Update bat.lua

This commit is contained in:
Andrej Kouřil 2016-03-23 18:57:05 +01:00
parent d1b36bb53c
commit 7a4c3345fb
1 changed files with 93 additions and 102 deletions
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195
widgets/bat.lua
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@ -1,10 +1,10 @@
--[[ --[[
Licensed under GNU General Public License v2 Licensed under GNU General Public License v2
* (c) 2013, Luke Bonham * (c) 2013, Luke Bonham
* (c) 2010-2012, Peter Hofmann * (c) 2010-2012, Peter Hofmann
--]] --]]
local newtimer = require("lain.helpers").newtimer local newtimer = require("lain.helpers").newtimer
@ -23,119 +23,110 @@ local setmetatable = setmetatable
-- lain.widgets.bat -- lain.widgets.bat
local function worker(args) local function worker(args)
local bat = {} local bat = {}
local args = args or {} local args = args or {}
local timeout = args.timeout or 30 local timeout = args.timeout or 30
local battery = args.battery or "BAT0" local battery = args.battery or "BAT0"
local ac = args.ac or "AC0" local ac = args.ac or "AC0"
local notify = args.notify or "on" local notify = args.notify or "on"
local settings = args.settings or function() end local settings = args.settings or function() end
bat.widget = wibox.widget.textbox('') bat.widget = wibox.widget.textbox('')
bat_notification_low_preset = { bat_notification_low_preset = {
title = "Battery low", title = "Battery low",
text = "Plug the cable!", text = "Plug the cable!",
timeout = 15, timeout = 15,
fg = "#202020", fg = "#202020",
bg = "#CDCDCD" bg = "#CDCDCD"
} }
bat_notification_critical_preset = { bat_notification_critical_preset = {
title = "Battery exhausted", title = "Battery exhausted",
text = "Shutdown imminent", text = "Shutdown imminent",
timeout = 15, timeout = 15,
fg = "#000000", fg = "#000000",
bg = "#FFFFFF" bg = "#FFFFFF"
} }
function update() function update()
bat_now = { bat_now = {
status = "Not present", status = "Not present",
ac_status = "N/A", ac_status = "N/A",
perc = "N/A", perc = "N/A",
time = "N/A", time = "N/A",
watt = "N/A" watt = "N/A"
} }
local bstr = "/sys/class/power_supply/" .. battery local bstr = "/sys/class/power_supply/" .. battery
local present = first_line(bstr .. "/present") local astr = "/sys/class/power_supply/" .. ac
local present = first_line(bstr .. "/present")
if present == "1" if present == "1"
then then
local ratep = tonumber(first_line(bstr .. "/power_now")) -- current_now(I)[uA], voltage_now(U)[uV], power_now(P)[uW]
local ratec = tonumber(first_line(bstr .. "/current_now")) local rate_current = tonumber(first_line(bstr .. "/current_now"))
local ratev = tonumber(first_line(bstr .. "/voltage_now")) local rate_voltage = tonumber(first_line(bstr .. "/voltage_now"))
local rate_power = tonumber(first_line(bstr .. "/power_now"))
local rem = tonumber(first_line(bstr .. "/energy_now") or -- energy_now(P)[uWh], charge_now(I)[uAh]
first_line(bstr .. "/charge_now")) local energy_now = tonumber(first_line(bstr .. "/energy_now") or
first_line(bstr .. "/charge_now"))
-- energy_full(P)[uWh], charge_full(I)[uAh],
local energy_full = tonumber(first_line(bstr .. "/energy_full") or
first_line(bstr .. "/charge_full"))
local tot = 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
bat_now.ac_status = first_line(string.format("/sys/class/power_supply/%s/online", ac)) or "N/A" math.floor((energy_now / energy_full) * 100)
local time_rat = 0 bat_now.status = first_line(bstr .. "/status") or "N/A"
if bat_now.status == "Charging" bat_now.ac_status = first_line(astr .. "/online") or "N/A"
then
time_rat = (tot - rem) / (ratep or ratec)
elseif bat_now.status == "Discharging"
then
time_rat = rem / (ratep or ratec)
end
local hrs = math.floor(time_rat) local rate_time = 0
if hrs < 0 then hrs = 0 elseif hrs > 23 then hrs = 23 end if bat_now.status == "Charging"
then
rate_time = (energy_full - energy_now) / rate_power or rate_current
elseif bat_now.status == "Discharging"
then
rate_time = energy_now / rate_power or rate_current
end
local min = math.floor((time_rat - hrs) * 60) local hours = math.floor(rate_time)
if min < 0 then min = 0 elseif min > 59 then min = 59 end local minutes = math.floor((rate_time - hours) * 60)
bat_now.time = string.format("%02d:%02d", hrs, min) bat_now.perc = string.format("%d", energy_percentage)
bat_now.time = string.format("%02d:%02d", hours, minutes)
bat_now.watt = string.format("%.2fW", rate_power / 1e6 or (rate_voltage * rate_current) / 1e12)
end
widget = bat.widget
settings()
local perc = tonumber(first_line(bstr .. "/capacity")) or math.floor((rem / tot) * 100) -- 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
if perc <= 100 then newtimer(battery, timeout, update)
bat_now.perc = string.format("%d", perc)
elseif perc > 100 then
bat_now.perc = "100"
elseif perc < 0 then
bat_now.perc = "0"
end
if ratep then return setmetatable(bat, { __index = bat.widget })
bat_now.watt = string.format("%.2fW", ratep)
else
bat_now.watt = string.format("%.2fW", (ratev * ratec) / 1e12)
end
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(battery, timeout, update)
return setmetatable(bat, { __index = bat.widget })
end end
return setmetatable({}, { __call = function(_, ...) return worker(...) end }) return setmetatable({}, { __call = function(_, ...) return worker(...) end })