N K / FastPWM

FastPWM library, modified by benkatz

Dependents:   WangBoard_MotorScience

Fork of FastPWM3 by Ben Katz

Files at this revision

API Documentation at this revision

Revision 27:9c0cc4d4a0bf, committed 2016-06-15

Comitter:
nki
Date:
Wed Jun 15 05:24:05 2016 +0000
Parent:
26:51c979bca21e
Commit message:
VFD for induction motor

Changed in this revision

filters.cpp Show annotated file Show diff for this revision Revisions of this file
filters.h Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filters.cpp	Wed Jun 15 05:24:05 2016 +0000
@@ -0,0 +1,10 @@
+#include "filters.h"
+
+MeanFilter::MeanFilter(float strength) {
+    _strength = strength;
+    _mean = 0;
+}
+
+float MeanFilter::Update(float x) {
+    return _mean = _strength * _mean + (1.0f - _strength) * x;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filters.h	Wed Jun 15 05:24:05 2016 +0000
@@ -0,0 +1,13 @@
+#ifndef __FILTERS_H
+#define __FILTERS_H
+
+class MeanFilter {
+public:
+    MeanFilter(float strength);
+    virtual float Update(float x);
+private:
+    float _mean;
+    float _strength;
+};
+
+#endif
\ No newline at end of file