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-- widget type providing name-indexed temperatures from /sys/class/hwmon
-- Copyright (C) 2019, 2020 Alexander Koch <lynix47@gmail.com>
-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
--
-- This file is part of Vicious.
--
-- Vicious is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 2 of the
-- License, or (at your option) any later version.
--
-- Vicious is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
-- environment
local type = type
local tonumber = tonumber
local io = { open = io.open }
local helpers = require"vicious.helpers"
local spawn = require"vicious.spawn"
local pathcache = {}
local function read_sensor(path, callback)
local f = io.open(path, "r")
callback{ tonumber(f:read"*line") / 1000 }
f:close()
end
-- hwmontemp: provides name-indexed temps from /sys/class/hwmon
-- vicious.widgets.hwmontemp
return helpers.setasyncall{
async = function (format, warg, callback)
if type(warg) ~= "table" or type(warg[1]) ~= "string" then
return callback{}
end
local input = warg[2]
if type(input) == "number" then
input = ("temp%d_input"):format(input)
else
input = "temp1_input"
end
local sensor = warg[1]
if pathcache[sensor] then
read_sensor(pathcache[sensor] .. input, callback)
else
spawn.easy_async_with_shell(
"grep " .. sensor .. " -wl /sys/class/hwmon/*/name",
function (stdout, stderr, exitreason, exitcode)
if exitreason == "exit" and exitcode == 0 then
pathcache[sensor] = stdout:gsub("name%s+", "")
read_sensor(pathcache[sensor] .. input, callback)
else
callback{}
end
end)
end
end }
-- vim: ts=4:sw=4:expandtab
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