From ae0b9d13e116c4ad7bb45cf9d8bf246c37c564e3 Mon Sep 17 00:00:00 2001
From: GlassOnTin <GlassOnTin@users.noreply.github.com>
Date: Thu, 2 Apr 2026 15:30:19 +0100
Subject: [PATCH] Fix LoRa toggle: set beacon defaults when no radio config
 loaded

startRadio() requires lora_freq/bw/sf/txp to be set (radio_locked
check). After EEPROM erase, these are zero. The tap handler now
sets beacon defaults (868MHz SF7 BW125K 17dBm) before starting.
---
 Gui.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Gui.h b/Gui.h
index 0f4496c..984c0e6 100644
--- a/Gui.h
+++ b/Gui.h
@@ -368,7 +368,14 @@ static void gui_create_watchface(lv_obj_t *parent) {
         lv_obj_add_flag(cell, LV_OBJ_FLAG_CLICKABLE);
         lv_obj_add_event_cb(cell, [](lv_event_t *e) {
             if (radio_online) { stopRadio(); }
-            else { startRadio(); }
+            else {
+                // Set beacon defaults if no config loaded
+                if (lora_freq == 0) {
+                    lora_freq = 868000000; lora_bw = 125000;
+                    lora_sf = 7; lora_cr = 5; lora_txp = 17;
+                }
+                startRadio();
+            }
         }, LV_EVENT_CLICKED, NULL);
         gui_lora_value = gui_label(cell, &font_mid, GUI_COL_AMBER, "--");
         lv_obj_set_width(gui_lora_value, cw);