widget.temp: re-add tempfile argument (#432), but keep retrieving all temperature...

[etc/awesome.git] / widget / temp.lua

diff --git a/widget/temp.lua b/widget/temp.lua
index b66234603b82ce0576eebb58dff44c9606aa89a7..e909b322f14a197b1d51f4448dc845ab18df1069 100644 (file)
--- a/widget/temp.lua
+++ b/widget/temp.lua
@@ -1,45 +1,44 @@
-
 --[[
-                                                  
-     Licensed under GNU General Public License v2 
-      * (c) 2013, Luke Bonham                     
-                                                  
+
+     Licensed under GNU General Public License v2
+      * (c) 2013, Luca CPZ
+
 --]]
 
-local helpers      = require("lain.helpers")
-local wibox        = require("wibox")
-local io           = { open = io.open }
-local tonumber     = tonumber
-local setmetatable = setmetatable
+local helpers  = require("lain.helpers")
+local wibox    = require("wibox")
+local tonumber = tonumber
 
--- coretemp
+-- {thermal,core} temperature info
 -- lain.widget.temp
-local temp = {}
 
-local function worker(args)
+local function factory(args)
+    local temp     = { widget = wibox.widget.textbox() }
     local args     = args or {}
-    local timeout  = args.timeout or 2
-    local tempfile = args.tempfile or "/sys/class/thermal/thermal_zone0/temp"
+    local timeout  = args.timeout or 30
+    local tempfile = args.tempfile or "/sys/devices/virtual/thermal/thermal_zone0/temp"
     local settings = args.settings or function() end
 
-    temp.widget = wibox.widget.textbox()
-
     function temp.update()
-        local f = io.open(tempfile)
-        if f then
-            coretemp_now = tonumber(f:read("*all")) / 1000
-            f:close()
-        else
-            coretemp_now = "N/A"
-        end
-
-        widget = temp.widget
-        settings()
+        helpers.async({"find", "/sys/devices", "-type", "f", "-name", "*temp*"}, function(f)
+            temp_now = {}
+            local temp_fl, temp_value
+            for t in f:gmatch("[^\n]+") do
+                temp_fl = helpers.first_line(t)
+                if temp_fl then
+                    temp_value = tonumber(temp_fl)
+                    temp_now[t] = temp_value and temp_value/1e3 or temp_fl
+                end
+            end
+            coretemp_now = temp_now[tempfile] or "N/A"
+            widget = temp.widget
+            settings()
+        end)
     end
 
-    helpers.newtimer("coretemp", timeout, temp.update)
+    helpers.newtimer("thermal", timeout, temp.update)
 
     return temp
 end
 
-return setmetatable(temp, { __call = function(_, ...) return worker(...) end })
+return factory