73 lines
2.3 KiB
Lua
73 lines
2.3 KiB
Lua
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-- {{{ Grab environment
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local setmetatable = setmetatable
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local tonumber = tonumber
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local string = { format = string.format, gmatch = string.gmatch }
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local io = { popen = io.popen }
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local math = { floor = math.floor }
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local helpers = require("vicious.helpers")
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local string = {
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gmatch = string.gmatch,
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match = string.match,
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format = string.format
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}
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-- }}}
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local bat_openbsd = {}
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local function worker(format, warg)
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local battery = warg or "bat0"
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local filter = string.format("hw.sensors.acpi%s", battery)
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local cmd = string.format("sysctl -a | grep '^%s'", filter)
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local proc = io.popen(cmd)
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local bat_info = {}
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for line in proc:lines("*l") do
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for key, value in string.gmatch(line, "(%S+)=(%S+)") do
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key = key:gsub(filter .. ".", "")
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bat_info[key] = value
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end
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end
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-- current state
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local states = {[0] = "↯", -- not charging
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[1] = "-", -- discharging
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[2] = "!", -- critical
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[3] = "+", -- charging
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[4] = "N/A", -- unknown status
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[255] = "N/A"} -- unimplemented by the driver
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local state = states[tonumber(bat_info.raw0)]
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-- battery capacity in percent
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local percent = tonumber(bat_info.watthour3 / bat_info.watthour0 * 100)
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local time
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if tonumber(bat_info.power0) < 1 then
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time = "∞"
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else
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local raw_time = bat_info.watthour3 / bat_info.power0
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local hours = math.floor(raw_time)
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local minutes = raw_time % 1
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time = string.format("%d:%0.2d", hours, minutes)
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end
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-- calculate wear level from (last full / design) capacity
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local wear = "N/A"
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if bat_info.watthour0 and bat_info.watthour4 then
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local l_full = tonumber(bat_info.watthour0)
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local design = tonumber(bat_info.watthour4)
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wear = math.floor(l_full / design * 100)
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end
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-- dis-/charging rate as presented by battery
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local rate = bat_info.power0
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-- returns
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-- * state (high "↯", discharging "-", charging "+", N/A "⌁" }
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-- * remaining_capacity (percent)
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-- * remaining_time, by battery
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-- * wear level (percent)
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-- * present_rate (W)
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return {state, percent, time, wear, rate}
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end
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return setmetatable(bat_openbsd, { __call = function(_, ...) return worker(...) end })
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