From 34f2168856e620a938c067deafe7f2ba08cd2fb3 Mon Sep 17 00:00:00 2001
From: Juan Antonio <JuantAldea@users.noreply.github.com>
Date: Sat, 23 Dec 2023 03:00:55 +0100
Subject: [PATCH] Spectrum warp-around when switching steps

---
 app/spectrum.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/app/spectrum.c b/app/spectrum.c
index 03f3c9b94..2ab22c105 100644
--- a/app/spectrum.c
+++ b/app/spectrum.c
@@ -488,12 +488,10 @@ static void UpdateDBMax(bool inc) {
 }
 
 static void UpdateScanStep(bool inc) {
-  if (inc && settings.scanStepIndex < S_STEP_100_0kHz) {
-    settings.scanStepIndex++;
-  } else if (!inc && settings.scanStepIndex > 0) {
-    settings.scanStepIndex--;
+  if (inc) {
+    settings.scanStepIndex = settings.scanStepIndex != S_STEP_100_0kHz ? settings.scanStepIndex + 1 : 0;
   } else {
-    return;
+    settings.scanStepIndex = settings.scanStepIndex != 0 ? settings.scanStepIndex - 1 : S_STEP_100_0kHz;
   }
 
   settings.frequencyChangeStep = GetBW() >> 1;