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Filter: added new constructor for 1p filter 

allow both sample rate and cutoff to be specified in constructor
This commit is contained in:
Andrew Tridgell 2016-11-21 16:48:10 +11:00
parent 7220dc15f9
commit b165e025d9
2 changed files with 13 additions and 6 deletions
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18
libraries/Filter/LowPassFilter.cpp
View File

@ -61,14 +61,20 @@ void DigitalLPF<T>::reset(T value) {
////////////////////////////////////////////////////////////////////////////////////////////
// LowPassFilter
////////////////////////////////////////////////////////////////////////////////////////////
// constructors
template <class T>
LowPassFilter<T>::LowPassFilter() : _cutoff_freq(0.0f) {
}
// constructor
LowPassFilter<T>::LowPassFilter() :
_cutoff_freq(0.0f) {}
template <class T>
LowPassFilter<T>::LowPassFilter(float cutoff_freq) : _cutoff_freq(cutoff_freq) {
LowPassFilter<T>::LowPassFilter(float cutoff_freq) :
_cutoff_freq(cutoff_freq) {}
template <class T>
LowPassFilter<T>::LowPassFilter(float sample_freq, float cutoff_freq)
{
set_cutoff_frequency(sample_freq, cutoff_freq);
}
// change parameters

1
libraries/Filter/LowPassFilter.h
View File

@ -73,6 +73,7 @@ class LowPassFilter {
public:
LowPassFilter();
LowPassFilter(float cutoff_freq);
LowPassFilter(float sample_freq, float cutoff_freq);
// change parameters
void set_cutoff_frequency(float cutoff_freq);