From 9a13d060eb0e81d8440fece8852f62d4995fcac5 Mon Sep 17 00:00:00 2001
From: Ahmet Inan <xdsopl@gmail.com>
Date: Wed, 17 Apr 2024 09:37:01 +0200
Subject: [PATCH] removed sync pulse value clamping

---
 app/src/main/java/xdsopl/robot36/Demodulator.java | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/xdsopl/robot36/Demodulator.java b/app/src/main/java/xdsopl/robot36/Demodulator.java
index 784c08c..85b05ed 100644
--- a/app/src/main/java/xdsopl/robot36/Demodulator.java
+++ b/app/src/main/java/xdsopl/robot36/Demodulator.java
@@ -19,7 +19,7 @@ public class Demodulator {
 	private final Delay syncPulseDelay;
 	private final Delay scanLineDelay;
 	private final int syncPulseSamples;
-	private float syncPulseMaxLevel;
+	private float syncPulseMaxValue;
 	private int syncPulseMaxPosition;
 	private int syncPulseCounter;
 	private Complex baseBand;
@@ -71,11 +71,10 @@ public class Demodulator {
 			scanLine = scanLineFilter.avg(scanLine.set(baseBand).mul(scanLineOscillator.rotate()));
 			float syncPulseValue = syncPulseDelay.push(syncPulse.norm()) / powerAvg.avg(baseBand.norm());
 			float scanLineValue = scanLineDelay.push(scanLineDemod.demod(scanLine));
-			float syncPulseLevel = Math.min(Math.max(syncPulseValue, 0), 1);
 			float scanLineLevel = Math.min(Math.max(0.5f * (scanLineValue + 1), 0), 1);
-			if (syncPulseTrigger.latch(syncPulseLevel)) {
-				if (syncPulseMaxLevel < syncPulseLevel) {
-					syncPulseMaxLevel = syncPulseLevel;
+			if (syncPulseTrigger.latch(syncPulseValue)) {
+				if (syncPulseMaxValue < syncPulseValue) {
+					syncPulseMaxValue = syncPulseValue;
 					syncPulseMaxPosition = syncPulseCounter;
 				}
 				++syncPulseCounter;
@@ -83,10 +82,10 @@ public class Demodulator {
 				syncPulseOffset = i + syncPulseMaxPosition - syncPulseCounter;
 				syncPulseDetected = true;
 				syncPulseCounter = 0;
-				syncPulseMaxLevel = 0;
+				syncPulseMaxValue = 0;
 			} else {
 				syncPulseCounter = 0;
-				syncPulseMaxLevel = 0;
+				syncPulseMaxValue = 0;
 			}
 			buffer[i] = scanLineLevel;
 		}