extract class and functions from boswatch.py to includes

includes/converter.py

@@ -0,0 +1,29 @@
+#!/usr/bin/python
+# -*- coding: cp1252 -*-
+#
+
+"""
+convert frequency to Hz
+
+@author: 		Bastian Schroll
+"""
+
+import logging
+
+def freqToHz(freq):
+	"""
+	gets a frequency and resolve it in Hz
+	
+	@type    freq: string
+	@param   freq: frequency of the SDR Stick
+	
+	@return:    frequency in Hz
+	@exception: Exception if Error by recalc
+	"""
+	try:
+		freq = freq.replace("k","e3").replace("M","e6")
+		# freq has to be interpreted as float first...
+		# otherwise you will get the error: an invalid literal for int() with base 10
+		return int(float(freq))
+	except:
+		logging.exception("Error in freqToHz()")