From 71074256ac009a2ff524aaf55bbde9a1a1f4550d Mon Sep 17 00:00:00 2001
From: 3djc <lesitewebdejc@hotmail.com>
Date: Fri, 8 Feb 2019 09:47:26 +0100
Subject: [PATCH] Prevent overflow

---
 radio/src/gui/128x64/radio_spectrum.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/radio/src/gui/128x64/radio_spectrum.cpp b/radio/src/gui/128x64/radio_spectrum.cpp
index c10229267..e95539ac0 100644
--- a/radio/src/gui/128x64/radio_spectrum.cpp
+++ b/radio/src/gui/128x64/radio_spectrum.cpp
@@ -35,7 +35,7 @@ void menuRadioSpectrum(event_t event)
   uint8_t peak_y = 1;
   uint8_t peak_x = 0;
   for (uint8_t i=0; i<LCD_W; i++) {
-    uint8_t h = reusableBuffer.spectrum.bars[i] >> 1;
+    uint8_t h = min<uint8_t >(reusableBuffer.spectrum.bars[i] >> 1, 128);
     if (h > peak_y) {
       peak_x = i;
       peak_y = h;