From 43b53fe2fc80d1f3424194eed20756c46c5c2533 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Sat, 8 May 2021 23:48:52 +0100
Subject: [PATCH] Add a dummy return for the setting of the FM parameters when
 FM is not enabled.

---
 SerialPort.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/SerialPort.cpp b/SerialPort.cpp
index ede193b..0869527 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -1037,6 +1037,13 @@ void CSerialPort::processMessage(uint8_t type, const uint8_t* buffer, uint16_t l
         sendNAK(err);
       }
       break;
+#else
+    case MMDVM_FM_PARAMS1:
+    case MMDVM_FM_PARAMS2:
+    case MMDVM_FM_PARAMS3:
+    case MMDVM_FM_PARAMS4:
+      sendACK();
+      break;
 #endif
 
     case MMDVM_CAL_DATA: