local naughty = require("naughty")
local wibox = require("wibox")
-local math = { floor = math.floor, min = math.min }
+local math = { abs = math.abs,
+ floor = math.floor,
+ log10 = math.log10,
+ min = math.min }
local string = { format = string.format }
-local tonumber = tonumber
+local tonumber = tonumber
local setmetatable = setmetatable
-- Battery infos
-- 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
+ 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('')
bg = "#FFFFFF"
}
+ bat_now = {
+ status = "N/A",
+ ac_status = "N/A",
+ perc = "N/A",
+ time = "N/A",
+ watt = "N/A"
+ }
+
+ bat_now.n_status = {}
+ for i = 1, #batteries do
+ bat_now.n_status[i] = "N/A"
+ end
+
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"))
-
- -- 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"
-
- -- update {perc,time,watt} iff rate > 0 and battery not full
- if ((rate_current and rate_current > 0) or (rate_power and rate_power > 0))
- and bat_now.status ~= "N/A" and bat_now.status ~= "Full"
- then
+ 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
+ local pspath = "/sys/class/power_supply/"
+
+ for i, battery in ipairs(batteries) do
+ local bstr = pspath .. battery
+ local present = first_line(bstr .. "/present")
+
+ if tonumber(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"))
+
+ -- 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.n_status[i] = first_line(bstr .. "/status") or "N/A"
+
+ 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 or 0)
+ sum_energy_full = sum_energy_full + energy_full
+ sum_energy_percentage = sum_energy_percentage + energy_percentage
+ end
+ end
+
+ bat_now.status = bat_now.n_status[1]
+ bat_now.ac_status = tonumber(first_line(string.format("%s%s/online", pspath, ac))) or "N/A"
+
+ if bat_now.status ~= "N/A" then
+ -- update {perc,time,watt} iff battery not full and rate > 0
+ if bat_now.status ~= "Full" and (sum_rate_current > 0 or sum_rate_power > 0) then
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)
+ rate_time = (sum_energy_full - sum_energy_now) / (sum_rate_power or sum_rate_current)
+ else -- Discharging
+ rate_time = sum_energy_now / (sum_rate_power or sum_rate_current)
end
- local hours = math.floor(rate_time)
- local minutes = math.floor((rate_time - hours) * 60)
- local watt = rate_power and (rate_power / 1e6) or (rate_voltage * rate_current) / 1e12
+ if rate_time < 0.01 then -- check for magnitude discrepancies
+ rate_time_magnitude = math.abs(math.floor(math.log10(rate_time)))
+ rate_time = rate_time * 10^(rate_time_magnitude - 2)
+ end
- bat_now.perc = string.format("%d", math.min(100, energy_percentage))
- bat_now.time = string.format("%02d:%02d", hours, minutes)
- bat_now.watt = string.format("%.2fW", watt)
+ local hours = math.floor(rate_time)
+ local minutes = math.floor((rate_time - hours) * 60)
+ bat_now.perc = tonumber(string.format("%d", math.min(100, sum_energy_percentage / #batteries)))
+ bat_now.time = string.format("%02d:%02d", hours, minutes)
+ bat_now.watt = tonumber(string.format("%.2f", sum_rate_power / 1e6))
+ elseif bat_now.status == "Full" then
+ bat_now.perc = 100
+ bat_now.time = "00:00"
+ bat_now.watt = 0
end
end
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
+ if notify == "on" and bat_now.perc and bat_now.status == "Discharging" then
+ if bat_now.perc <= 5 then
bat.id = naughty.notify({
preset = bat_notification_critical_preset,
- replaces_id = bat.id,
+ replaces_id = bat.id
}).id
- elseif nperc <= 15 then
+ elseif bat_now.perc <= 15 then
bat.id = naughty.notify({
preset = bat_notification_low_preset,
- replaces_id = bat.id,
+ replaces_id = bat.id
}).id
end
end