--[[
-
- 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
-- lain.widgets.bat
local function worker(args)
- local bat = {}
- local args = args or {}
- local timeout = args.timeout or 30
- local battery = 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",
- 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")
-
- if present == "1"
- then
- local ratep = tonumber(first_line(bstr .. "/power_now"))
- local ratec = tonumber(first_line(bstr .. "/current_now"))
- local ratev = tonumber(first_line(bstr .. "/voltage_now"))
-
- local rem = tonumber(first_line(bstr .. "/energy_now") or
- first_line(bstr .. "/charge_now"))
-
- local tot = tonumber(first_line(bstr .. "/energy_full") or
- first_line(bstr .. "/charge_full"))
-
- bat_now.status = first_line(bstr .. "/status") or "N/A"
- bat_now.ac_status = first_line(string.format("/sys/class/power_supply/%s/online", ac)) or "N/A"
-
- local time_rat = 0
- if bat_now.status == "Charging"
- 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)
- 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 = tonumber(first_line(bstr .. "/capacity")) or math.floor((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
-
- if ratep then
- 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 })
+ local bat = {}
+ local args = args or {}
+ local timeout = args.timeout or 30
+ local battery = 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",
+ ac_status = "N/A",
+ perc = "N/A",
+ time = "N/A",
+ watt = "N/A"
+ }
+
+ local bstr = "/sys/class/power_supply/" .. battery
+ local astr = "/sys/class/power_supply/" .. ac
+ local present = first_line(bstr .. "/present")
+
+ 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"))
+
+ -- if rate = 0 or rate not defined skip the round
+ if not (rate_power and rate_power > 0) and
+ not (rate_current and rate_current > 0)
+ then
+ return
+ end
+
+ -- energy_now(P)[uWh], charge_now(I)[uAh]
+ 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 energy_percentage = tonumber(first_line(bstr .. "/capacity")) or
+ math.floor((energy_now / energy_full) * 100)
+
+ bat_now.status = first_line(bstr .. "/status") or "N/A"
+ bat_now.ac_status = first_line(astr .. "/online") or "N/A"
+
+ local rate_time = 0
+ 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 hours = math.floor(rate_time)
+ local minutes = math.floor((rate_time - hours) * 60)
+
+ 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()
+
+ -- 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
return setmetatable({}, { __call = function(_, ...) return worker(...) end })
projects / etc / awesome.git / blobdiff