From 66f934f6bbcd49501255e8ba368d4c8dae439af6 Mon Sep 17 00:00:00 2001
From: Kim - DG9VH <dg9vh@users.noreply.github.com>
Date: Mon, 30 Nov 2020 16:40:22 +0100
Subject: [PATCH] Avoid missconfiguration if TX=RX-QRG in Duplex-setup

As we have on several modes in several networks sometimes issues with loops created by missconfigured duplex-hotspots, this is a quick solution to avoid this.
---
 Conf.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Conf.cpp b/Conf.cpp
index 4ec01c5..688fc1e 100644
--- a/Conf.cpp
+++ b/Conf.cpp
@@ -962,6 +962,12 @@ bool CConf::read()
 	}
   }
 
+  if ( m_duplex && m_rxFrequency == m_txFrequency ) {
+    ::fprintf(stderr, "Duplex == 1 and TX == RX-QRG!\n");
+    ::fclose(fp);
+    return false;
+  }
+
   ::fclose(fp);
 
   return true;