Function rc_filter_butterworth_highpass#
Defined in File filter.h
Function Documentation#
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int rc_filter_butterworth_highpass(rc_filter_t *f, int order, double dt, double wc)#
Creates a Butterworth high pass filter of specified order and cutoff frequency.
Any existing memory allocated for f is freed safely to avoid memory leaks and new memory is allocated for the new filter.
- Parameters:
f – [out] Pointer to user’s rc_filter_t struct
order – [in] The order (>=1)
dt – [in] desired timestep of discrete filter in seconds
wc – [in] Cuttoff freqauency in rad/s
- Returns:
Returns 0 on success or -1 on failure.