From 298488c0dcb2230fb8be1368f174186f9072dae6 Mon Sep 17 00:00:00 2001
From: Sjef Verhoeven PE5PVB <pe5pvb@het-bar.net>
Date: Tue, 2 Jul 2024 14:46:53 +0200
Subject: [PATCH] When no AF is found in mem mode return to last frequency

---
 TEF6686_ESP32.ino | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index 1f69bee..0716929 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -904,6 +904,7 @@ void loop() {
             }
           }
 
+          bool foundmemaf = false;
           for (int x = 8750; x <= 10800; x += 10) {
             if (rotary != 0 || digitalRead(BANDBUTTON) == LOW || digitalRead(MODEBUTTON) == LOW || digitalRead(BWBUTTON) == LOW || digitalRead(ROTARY_BUTTON) == LOW) break;
             radio.SetFreq(x);
@@ -913,10 +914,16 @@ void loop() {
             }
             if (radio.rds.correctPI == radio.getBlockA()) {
               frequency = x;
+              foundmemaf = true;
               break;
             }
           }
 
+          if (!foundmemaf) {
+            frequency = freqold;
+            radio.SetFreq(frequency);
+          }
+
           if (!screenmute) {
             if (advancedRDS) {
               leave = true;