95 lines
3.4 KiB
Lua
95 lines
3.4 KiB
Lua
-- battery widget type for OpenBSD
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-- Copyright (C) 2019 Enric Morales <me@enric.me>
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-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- {{{ Grab environment
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local pairs = pairs
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local tonumber = tonumber
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local table = {
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insert = table.insert
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}
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local math = {
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floor = math.floor,
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modf = math.modf
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}
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local helpers = require("vicious.helpers")
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-- }}}
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local bat_openbsd = {}
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function bat_openbsd.async(format, warg, callback)
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local battery_id = warg or "bat0"
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local fields = {
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charging_rate = ("hw.sensors.acpi%s.power0"):format(battery_id),
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last_full_capacity = ("hw.sensors.acpi%s.watthour0"):format(battery_id),
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remaining_capacity = ("hw.sensors.acpi%s.watthour3"):format(battery_id),
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design_capacity = ("hw.sensors.acpi%s.watthour4"):format(battery_id),
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state = ("hw.sensors.acpi%s.raw0"):format(battery_id)
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}
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local sysctl_args = {}
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for _, v in pairs(fields) do table.insert(sysctl_args, v) end
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local battery = {}
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helpers.sysctl_async(sysctl_args, function (ret)
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for k, v in pairs(fields) do
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-- discard the description that comes after the values
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battery[k] = tonumber(ret[v]:match("(.-) "))
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end
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local states = {
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[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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}
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local state = states[battery.state]
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local charge = tonumber(battery.remaining_capacity
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/ battery.last_full_capacity * 100)
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local remaining_time
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if battery.charging_rate < 1 then
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remaining_time = "∞"
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else
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local raw_time = battery.remaining_capacity / battery.rate
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local hours, hour_fraction = math.modf(raw_time)
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local minutes = math.floor(60 * hour_fraction)
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remaining_time = ("%d:%0.2d"):format(hours, minutes)
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end
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local wear = math.floor(battery.last_full_capacity,
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battery.design_capacity)
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-- Pass the following arguments to callback function:
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-- * battery state symbol (↯, -, !, + or N/A)
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-- * remaining capacity (in percent)
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-- * remaining time, as reported by the battery
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-- * wear level (in percent)
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-- * present_rate (in Watts/hour)
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return callback({ state, charge, remaining_time,
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wear, battery.charging_rate })
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end)
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end
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return helpers.setasyncall(bat_openbsd)
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