From 686eb92879192e2b55a61466654b93b71e65a324 Mon Sep 17 00:00:00 2001
From: kevin <lipengfei.dev@gmail.com>
Date: Thu, 15 Jun 2023 09:55:35 +0800
Subject: [PATCH 1/3] fix stepsize error when bands switch

bands switch FM -> LW, stepsize should not > 3
---
 TEF6686_ESP32.ino | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index f1f8a13..78e25ab 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -591,7 +591,10 @@ void PWRButtonPress() {
         ESP.restart();
       } else {
         if (tunemode != 2) {
-          if (band == BAND_FM) band = BAND_LW;
+          if (band == BAND_FM) {
+            band = BAND_LW;
+            if (stepsize > 3) stepsize = 3;
+          }
           else if (band == BAND_LW) band = BAND_MW;
           else if (band == BAND_MW) band = BAND_SW;
           else if (band == BAND_SW) band = BAND_FM;

From 05b1f4a5f00dbdba4f9675530108fc5c293b4983 Mon Sep 17 00:00:00 2001
From: kevin <lipengfei.dev@gmail.com>
Date: Thu, 15 Jun 2023 10:48:24 +0800
Subject: [PATCH 2/3] Fix display mis-match of iMS EQ

Y mis-match of iMS and EQ with updateiMS() and updateEQ()
---
 TEF6686_ESP32.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index 78e25ab..265cd5a 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -673,10 +673,10 @@ void SelectBand() {
     tft.drawBitmap(110, 5, RDSLogo, 67, 22, TFT_GREYOUT);
     tft.drawRoundRect(249, 56, 30, 20, 5, TFT_GREYOUT);
     tft.setTextColor(TFT_GREYOUT);
-    tft.drawCentreString("iMS", 265, 58, GFXFF);
+    tft.drawCentreString("iMS", 265, 54, GFXFF);
     tft.drawRoundRect(287, 56, 30, 20, 5, TFT_GREYOUT);
     tft.setTextColor(TFT_GREYOUT);
-    tft.drawCentreString("EQ", 303, 58, GFXFF);
+    tft.drawCentreString("EQ", 303, 54, GFXFF);
   } else {
     LowLevelInit == false;
     BWreset = true;

From 994f9303a3f2852cd989c08da0e31c76e94528db Mon Sep 17 00:00:00 2001
From: kevin <lipengfei.dev@gmail.com>
Date: Thu, 15 Jun 2023 16:10:39 +0800
Subject: [PATCH 3/3] Fix recall error of stepsize

When you set stepsize to 4 and then switch to LW Band and turn off radio immediately , when turn on again, then stepsize will remain 4 ,this is not suitable for LW and MW.
---
 TEF6686_ESP32.ino | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index 265cd5a..86a8afc 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -252,8 +252,14 @@ void setup() {
   if (iMSset == 0 && EQset == 0) iMSEQ = 1;
 
   switch (band) {
-    case BAND_LW: frequency_LW = frequency_AM; break;
-    case BAND_MW: frequency_MW = frequency_AM; break;
+    case BAND_LW: 
+      frequency_LW = frequency_AM;
+      if (stepsize > 3) stepsize = 3;
+      break;
+    case BAND_MW: 
+      frequency_MW = frequency_AM; 
+      if (stepsize > 3) stepsize = 3;
+      break;
     case BAND_SW: frequency_SW = frequency_AM; break;
     default: break;
   }