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stmdspgui/templates/6_iir_test.cpp

14 lines
343 B
C++

adcsample_t *process_data(adcsample_t *samples, unsigned int size)
{
constexpr float alpha = 0.7;
static adcsample_t prev = 2048;
samples[0] = (1 - alpha) * samples[0] + alpha * prev;
for (unsigned int i = 1; i < size; i++)
samples[i] = (1 - alpha) * samples[i] + alpha * samples[i - 1];
prev = samples[size - 1];
return samples;
}