From cc7a6dcf71fba7f09f0c4958e1892eca1856a793 Mon Sep 17 00:00:00 2001
From: Ahmet Inan <xdsopl@gmail.com>
Date: Mon, 29 Apr 2024 14:28:28 +0200
Subject: [PATCH] replace with new pulse if too close to the previous one

---
 app/src/main/java/xdsopl/robot36/Decoder.java | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/xdsopl/robot36/Decoder.java b/app/src/main/java/xdsopl/robot36/Decoder.java
index 21fc091..ac733dc 100644
--- a/app/src/main/java/xdsopl/robot36/Decoder.java
+++ b/app/src/main/java/xdsopl/robot36/Decoder.java
@@ -243,11 +243,13 @@ public class Decoder {
 	}
 
 	private boolean processSyncPulse(ArrayList<Mode> modes, float[] freqOffs, int[] pulses, int[] lines, int index) {
-		for (int i = 1; i < lines.length; ++i)
-			lines[i - 1] = lines[i];
-		lines[lines.length - 1] = index - pulses[pulses.length - 1];
-		for (int i = 1; i < pulses.length; ++i)
-			pulses[i - 1] = pulses[i];
+		if (Math.abs(index - pulses[pulses.length - 1]) > scanLineToleranceSamples) {
+			for (int i = 1; i < lines.length; ++i)
+				lines[i - 1] = lines[i];
+			for (int i = 1; i < pulses.length; ++i)
+				pulses[i - 1] = pulses[i];
+		}
+		lines[lines.length - 1] = index - pulses[pulses.length - 2];
 		pulses[pulses.length - 1] = index;
 		for (int i = 1; i < freqOffs.length; ++i)
 			freqOffs[i - 1] = freqOffs[i];