From 707b24dd07236243269cf092728f85172e94e8a4 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@clyne-lp.lan>
Date: Sun, 8 Aug 2021 22:02:52 -0400
Subject: initial commit

---
 templates/6_iir_test.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 templates/6_iir_test.cpp

(limited to 'templates/6_iir_test.cpp')

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;
+}
-- 
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