Michael Shimniok / SimpleFilter

Implements a simple leaky integrator integer value filter, handy for fast, simple, ADC output filtering. Implemented as described here: [[http://ece124web.groups.et.byu.net/references/readings/Simple%20Software%20Lowpass%20Filter.pdf|Simple Software Lowpass Filter.pdf]]

Dependents:   AVC_20110423 WallBot_Simple AVC_2012

Diff: SimpleFilter.h

Revision:
1:70348515ed2f
Parent:
0:ac15e38daeb5
--- a/SimpleFilter.h	Wed Apr 20 08:00:25 2011 +0000
+++ b/SimpleFilter.h	Wed Apr 20 16:57:54 2011 +0000
@@ -21,6 +21,18 @@
      */
     short filter(short value);
 
+    /** Read the current value in the filter
+     *
+     * @returns the current value in the filter
+     */
+    short value(void);
+
+    /** Shorthand operator for value()
+     *
+     * @returns the current value in the filter
+     */
+    operator short() { return value(); }
+
 private:
     long _filter_value;
     short _shift;