From 8ce1fcacb2931b5f734bf402006bb2c22e3525b8 Mon Sep 17 00:00:00 2001
From: Raphael Coeffic <raphael.coeffic@frafos.com>
Date: Sun, 9 May 2021 08:53:08 +0200
Subject: [PATCH] Fix flicker

---
 radio/src/targets/horus/bootloader/boot_menu.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/radio/src/targets/horus/bootloader/boot_menu.cpp b/radio/src/targets/horus/bootloader/boot_menu.cpp
index 996ebf9c6..288882940 100644
--- a/radio/src/targets/horus/bootloader/boot_menu.cpp
+++ b/radio/src/targets/horus/bootloader/boot_menu.cpp
@@ -67,11 +67,12 @@ static void bootloaderDrawFooter()
 
 void bootloaderDrawScreen(BootloaderState st, int opt, const char* str)
 {
-#if defined(COLORLCD)
-  lcdNextLayer();
-#endif
+    // shows current layer on LCD
+    lcdRefresh();
 
-    lcd->clear(DEFAULT_BGCOLOR);
+    // swap back & front buffers
+    lcdNextLayer();
+    lcd->clear(BL_BACKGROUND);
     
     if (st == ST_START) {
         bootloaderDrawTitle(88, BOOTLOADER_TITLE);