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Filter: provide accessors for center and sample frequencies on NotchFilter

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Andy Piper 2023-08-27 14:11:58 +01:00 committed by Andrew Tridgell
parent 370ee7d4d3
commit 6a40843a9e
1 changed files with 2 additions and 0 deletions
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libraries/Filter/NotchFilter.h
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@ -34,6 +34,8 @@ public:
void init_with_A_and_Q(float sample_freq_hz, float center_freq_hz, float A, float Q);
T apply(const T &sample);
void reset();
float center_freq_hz() const { return _center_freq_hz; }
float sample_freq_hz() const { return _sample_freq_hz; }
// calculate attenuation and quality from provided center frequency and bandwidth
static void calculate_A_and_Q(float center_freq_hz, float bandwidth_hz, float attenuation_dB, float& A, float& Q);