initial commit

1 files changed, 13 insertions, 0 deletions

diff --git a/templates/6_iir_test.cpp b/templates/6_iir_test.cpp
new file mode 100644
index 0000000..cdb4ab3
--- /dev/null
+++ b/templates/6_iir_test.cpp
@@ -0,0 +1,13 @@
+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;
+}