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
-- 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 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('')
watt = "N/A"
}
- local bstr = "/sys/class/power_supply/" .. battery
- local astr = "/sys/class/power_supply/" .. ac
- 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
- -- 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"))
+ for i, battery in ipairs(batteries) do
+ local bstr = "/sys/class/power_supply/" .. battery
+ local present = first_line(bstr .. "/present")
- -- energy_now(P)[uWh], charge_now(I)[uAh]
- local energy_now = tonumber(first_line(bstr .. "/energy_now") or
- first_line(bstr .. "/charge_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"))
- -- energy_full(P)[uWh], charge_full(I)[uAh]
- local energy_full = tonumber(first_line(bstr .. "/energy_full") or
- first_line(bstr .. "/charge_full"))
+ -- energy_now(P)[uWh], charge_now(I)[uAh]
+ local energy_now = tonumber(first_line(bstr .. "/energy_now") or
+ first_line(bstr .. "/charge_now"))
- local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or
- math.floor((energy_now / energy_full) * 100)
+ -- 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"
- bat_now.ac_status = first_line(astr .. "/online") or "N/A"
+ local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or
+ math.floor((energy_now / energy_full) * 100)
- -- 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 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)
+ if bat_now.status ~= "Charging" and bat_now.status ~= "Discharging"
+ then
+ bat_now.status = first_line(bstr .. "/status") or "N/A"
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
+ 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 astr = "/sys/class/power_supply/" .. ac
+ bat_now.ac_status = first_line(astr .. "/online") or "N/A"
- bat_now.perc = string.format("%d", energy_percentage)
- bat_now.time = string.format("%02d:%02d", hours, minutes)
- bat_now.watt = string.format("%.2fW", watt)
+ -- 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
+
+ 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