vicious/thermal.lua

43 lines
1.4 KiB
Lua

---------------------------------------------------
-- Licensed under the GNU General Public License v2
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
---------------------------------------------------
-- {{{ Grab environment
local type = type
local tonumber = tonumber
local setmetatable = setmetatable
local string = { match = string.match }
local helpers = require("vicious.helpers")
-- }}}
-- Thermal: provides temperature levels of ACPI and coretemp thermal zones
module("vicious.thermal")
-- {{{ Thermal widget type
local function worker(format, warg)
local zone = { -- Known temperature data sources
["sys"] = {"/sys/class/thermal/", file = "temp", div = 1000},
["core"] = {"/sys/devices/platform/", file = "temp1_input",div = 1000},
["proc"] = {"/proc/acpi/thermal_zone/",file = "temperature"}
} -- Default to /sys/class/thermal
local warg = type(warg) == "table" and warg or {warg, "sys"}
local thermal = helpers.pathtotable(zone[warg[2]][1] .. warg[1])
-- Get temperature from thermal zone
if thermal[zone[warg[2]].file] then
if zone[warg[2]].div then
return {thermal[zone[warg[2]].file] / zone[warg[2]].div}
else -- /proc/acpi "temperature: N C"
return {tonumber(string.match(thermal[zone[warg[2]].file], "[%d]+"))}
end
end
return {0}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })