Back to app/src, since it seems they're the default convention for stack

1 files changed, 44 insertions, 0 deletions

diff --git a/src/Xmobar/Plugins/Monitors/CpuFreq.hs b/src/Xmobar/Plugins/Monitors/CpuFreq.hs
new file mode 100644
index 0000000..1afedfa
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/CpuFreq.hs
@@ -0,0 +1,44 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  Plugins.Monitors.CpuFreq
+-- Copyright   :  (c) Juraj Hercek
+-- License     :  BSD-style (see LICENSE)
+--
+-- Maintainer  :  Juraj Hercek <juhe_haskell@hck.sk>
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A cpu frequency monitor for Xmobar
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.CpuFreq where
+
+import Xmobar.Plugins.Monitors.Common
+import Xmobar.Plugins.Monitors.CoreCommon
+
+-- |
+-- Cpu frequency default configuration. Default template contains only
+-- one core frequency, user should specify custom template in order to
+-- get more cpu frequencies.
+cpuFreqConfig :: IO MConfig
+cpuFreqConfig =
+  mkMConfig "Freq: <cpu0>" (map ((++) "cpu" . show) [0 :: Int ..])
+
+
+-- |
+-- Function retrieves monitor string holding the cpu frequency (or
+-- frequencies)
+runCpuFreq :: [String] -> Monitor String
+runCpuFreq _ = do
+  suffix <- getConfigValue useSuffix
+  ddigits <- getConfigValue decDigits
+  let path = ["/sys/devices/system/cpu/cpu", "/cpufreq/scaling_cur_freq"]
+      divisor = 1e6 :: Double
+      fmt x | x < 1 = if suffix then mhzFmt x ++ "MHz"
+                                else ghzFmt x
+            | otherwise = ghzFmt x ++ if suffix then "GHz" else ""
+      mhzFmt x = show (round (x * 1000) :: Integer)
+      ghzFmt = showDigits ddigits
+  failureMessage <- getConfigValue naString
+  checkedDataRetrieval failureMessage [path] Nothing (/divisor) fmt