From ad78fe41e8c13b9f68846faee9dfe82bc66e9935 Mon Sep 17 00:00:00 2001
From: Federico Amedeo Izzo <federico@izzo.pro>
Date: Wed, 13 Jan 2021 21:03:51 +0100
Subject: [PATCH] UI: Add channel menu lower bound

---
 openrtx/src/ui/ui.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/openrtx/src/ui/ui.c b/openrtx/src/ui/ui.c
index bef60817..338adb67 100644
--- a/openrtx/src/ui/ui.c
+++ b/openrtx/src/ui/ui.c
@@ -730,7 +730,9 @@ void ui_updateFSM(event_t event, bool *sync_rtx)
                 }
                 else if(msg.keys & KEY_DOWN)
                 {
-                    ui_state.menu_selected += 1;
+                    channel_t channel;
+                    if(nvm_readChannelData(&channel, ui_state.menu_selected + 1) != -1)
+                        ui_state.menu_selected += 1;
                 }
                 else if(msg.keys & KEY_ESC)
                 {