Try to calculate temperature from raw value

On vanilla kernels we rely on temperature raw values. According to
some reports on talk.maemo.org the real temperature is approximately
calculated by the formula real=(raw*0.65).

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 712a50e..18d3e6e 100755 (executable)
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -156,9 +156,19 @@ QString MainWindow::getCPUTemp()
 
     //check if we can read a more accurate temperature (only for power kernel)
     if (file.exists())
-       return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " °C" );
-    else
-       return readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+       return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " " + QString::fromUtf8("\302\260") + "C" );
+    else {
+       //read the current system temperature
+       QString tstring = readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+       if (tstring == "0")
+           return tr( "Unknown" );
+
+       //convert it to an integer and calculate the approx. temperature from the raw value
+       int tint = tstring.toInt();
+       tint = ( 0.65 * tint );
+       tstring.setNum(tint);
+       return QString( tstring + " " + QString::fromUtf8("\302\260") + "C" );
+    }
 #endif
     return tr( "Unknown" );
 }