From c8fa826e60542aa48ffee7c7c59d18f29cdaa2f6 Mon Sep 17 00:00:00 2001
From: DJ2LS <dj2ls@proton.me>
Date: Tue, 12 Mar 2024 19:54:07 +0100
Subject: [PATCH] fixed tx buffer delay

---
 modem/modulator.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modem/modulator.py b/modem/modulator.py
index 2cfec1b6..2ec0bd4f 100644
--- a/modem/modulator.py
+++ b/modem/modulator.py
@@ -132,7 +132,7 @@ class Modulator:
 
         # Add empty data to handle ptt toggle time
         if self.tx_delay > 0:
-            self.transmit_add_silence(txbuffer, self.tx_delay)
+            txbuffer = self.transmit_add_silence(txbuffer, self.tx_delay)
 
         if not isinstance(frames, list): frames = [frames]
         for _ in range(repeats):
@@ -144,7 +144,7 @@ class Modulator:
                 txbuffer = self.transmit_add_postamble(txbuffer, freedv)
 
             # Add delay to end of frames
-            self.transmit_add_silence(txbuffer, repeat_delay)
+            txbuffer = self.transmit_add_silence(txbuffer, repeat_delay)
 
         return txbuffer