From 3ba12003569362ba88d2dc5983ee931e7bfb521b Mon Sep 17 00:00:00 2001
From: Sjef Verhoeven PE5PVB <pe5pvb@het-bar.net>
Date: Thu, 11 Sep 2025 14:34:42 +0200
Subject: [PATCH] Increased sensitivity for extended BW

---
 TEF6686_ESP32.ino | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index cc66263..6e66faf 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -127,6 +127,7 @@ bool screenmute;
 bool screensavertriggered = false;
 bool seek;
 bool seekinit;
+bool setextendbw;
 bool setupmode;
 bool showclock;
 bool showlongps;
@@ -3384,6 +3385,21 @@ void ShowSignalLevel() {
       SStatusold = SStatusprint;
     }
   }
+
+  if (!seek) {
+    if (tuned && CN > 15 && SStatus > 300) {
+      if (!setextendbw) {
+        setextendbw = true;
+        radio.extendBW(true);
+      }
+    } else {
+      if (setextendbw) {
+        setextendbw = false;
+        radio.extendBW(false);
+      }
+    }
+  }
+  
   if (wifi && millis() >= udptimer + 2000) {
     udptimer = millis();
     Udp.beginPacket(remoteip, 9030);
@@ -3455,7 +3471,6 @@ void ShowOffset() {
         // Right arrow dimmed (◀)
         tft.fillTriangle(rightArrowBaseX, arrowBaseYTop, centerX + arrowGap, centerY, rightArrowBaseX, arrowBaseYBottom, SignificantColor);
         tuned = false;
-        radio.extendBW(false);
       } else if (USN < 250 && WAM < 250 && OStatus > -250 && OStatus < 250 && !SQ) {
         // Both arrows dimmed
         tft.fillTriangle(leftArrowBaseX, arrowBaseYTop, centerX - arrowGap, centerY, leftArrowBaseX, arrowBaseYBottom, GreyoutColor);
@@ -3463,7 +3478,6 @@ void ShowOffset() {
         // Center dot active
         tft.fillCircle(centerX, centerY, 3, InsignificantColor);
         tuned = true;
-        radio.extendBW(true);
       } else if (OStatus > 250) {
         // Right arrow active (◀)
         tft.fillTriangle(rightArrowBaseX, arrowBaseYTop, centerX + arrowGap, centerY, rightArrowBaseX, arrowBaseYBottom, GreyoutColor);
@@ -3472,14 +3486,12 @@ void ShowOffset() {
         // Left arrow dimmed (▶)
         tft.fillTriangle(leftArrowBaseX, arrowBaseYTop, centerX - arrowGap, centerY, leftArrowBaseX, arrowBaseYBottom, SignificantColor);
         tuned = false;
-        radio.extendBW(false);
       } else {
         // Everything dimmed
         tft.fillTriangle(leftArrowBaseX, arrowBaseYTop, centerX - arrowGap, centerY, leftArrowBaseX, arrowBaseYBottom, GreyoutColor);
         tft.fillTriangle(rightArrowBaseX, arrowBaseYTop, centerX + arrowGap, centerY, rightArrowBaseX, arrowBaseYBottom, GreyoutColor);
         tft.fillCircle(centerX, centerY, 3, GreyoutColor);
         tuned = false;
-        radio.extendBW(false);
       }
     } else {
       if (OStatus < -2) {