1 files changed, 5 insertions, 5 deletions
diff --git a/templates/7_iir_echo.cpp b/templates/7_iir_echo.cpp
index 8e93b35..57e5605 100644
--- a/templates/7_iir_echo.cpp
+++ b/templates/7_iir_echo.cpp
@@ -1,22 +1,22 @@
-adcsample_t *process_data(adcsample_t *samples, unsigned int size)
+Sample *process_data(Samples samples)
 {
 	constexpr float alpha = 0.75;
 	constexpr unsigned int D = 100;
 
-	static adcsample_t output[SIZE];
-	static adcsample_t prev[D]; // prev[0] = output[0 - D]
+	static Sample output[samples.size()];
+	static Sample prev[D]; // prev[0] = output[0 - D]
 
 	// Do calculations with previous output
 	for (unsigned int i = 0; i < D; i++)
 		output[i] = samples[i] + alpha * (prev[i] - 2048);
 
 	// Do calculations with current samples
-	for (unsigned int i = D; i < size; i++)
+	for (unsigned int i = D; i < samples.size(); i++)
 		output[i] = samples[i] + alpha * (output[i - D] - 2048);
 
 	// Save outputs for next computation
 	for (unsigned int i = 0; i < D; i++)
-		prev[i] = output[size - (D - i)];
+		prev[i] = output[samples.size() - (D - i)];
 
 	return output;
 }