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Dependencies: HIDScope MODSERIAL QEI TextLCD mbed
Fork of
TotalControlEmg2
by 
Remco Dasselaar
Diff: Filter.cpp
- Revision:
- 2:ae55928ff00f
- Parent:
- 1:98be4152a539
- Child:
- 3:344b173f85fe
diff -r 98be4152a539 -r ae55928ff00f Filter.cpp
--- a/Filter.cpp Tue Oct 06 12:07:40 2015 +0000
+++ b/Filter.cpp Tue Oct 06 12:19:27 2015 +0000
@@ -1,6 +1,6 @@
#include "Filter.h"
-double Filter(double u, double &v1, double &v2, const double a1, const double a2, const double b0, const double b1, const double b2){
+double Filter(double u, double &v1, double &v2, const double a1, const double a2, const double b0, const double b1, const double b2, const double gain){
// volgens direct form 2, uit de embedded filtering and control sheets van T.J.W. Lankhorst
// u = ingangssignaal (zonder filter)
// v = tussentap
@@ -11,7 +11,7 @@
// y = uitgangssignaal (gefilterd)
double v = u - a1 * v1 - a2 * v2;
- double y = b0 * v + b1 * v1 + b2 * v2;
+ double y = gain * (b0 * v + b1 * v1 + b2 * v2);
v2 = v1; // signalen doorschuiven, zodat bij volgende input, de vorige waardes vsn v worden onthouden
v1 = v;