From 9db54a2a51a5389e70790911a9ede7793d58fd4c Mon Sep 17 00:00:00 2001
From: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
Date: Sun, 29 Jan 2023 12:26:54 +0100
Subject: [PATCH] introduce IS_CODEC2_SIG_TRAFFIC

---
 tnc/modem.py  | 8 ++++++--
 tnc/static.py | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tnc/modem.py b/tnc/modem.py
index 297344bf..9e36ab00 100644
--- a/tnc/modem.py
+++ b/tnc/modem.py
@@ -447,6 +447,9 @@ class RF:
             return False
 
         static.TRANSMITTING = True
+        # if we're transmitting FreeDATA signals, reset channel busy state
+        static.CHANNEL_BUSY = False
+
         start_of_transmission = time.time()
         # TODO: Moved ptt toggle some steps before audio is ready for testing
         # Toggle ptt early to save some time and send ptt state via socket
@@ -576,6 +579,8 @@ class RF:
 
         while self.modoutqueue:
             threading.Event().wait(0.01)
+            # if we're transmitting FreeDATA signals, reset channel busy state
+            static.CHANNEL_BUSY = False
 
         static.PTT_STATE = self.hamlib.set_ptt(False)
 
@@ -644,8 +649,7 @@ class RF:
                     rx_status = codec2.api.freedv_get_rx_status(freedv)
 
                     if rx_status != 0:
-                        # if we're receiving FreeDATA signals, reset channel busy state
-                        static.CHANNEL_BUSY = False
+                        static.IS_CODEC2_SIG_TRAFFIC = True
 
                         self.log.debug(
                             "[MDM] [demod_audio] modem state", mode=mode_name, rx_status=rx_status, sync_flag=codec2.api.rx_sync_flags_to_text[rx_status]
diff --git a/tnc/static.py b/tnc/static.py
index 0f22ecea..4e4fe197 100644
--- a/tnc/static.py
+++ b/tnc/static.py
@@ -134,7 +134,7 @@ INFO: list = []
 # ------- CODEC2 SETTINGS
 TUNING_RANGE_FMIN: float = -50.0
 TUNING_RANGE_FMAX: float = 50.0
-
+IS_CODEC2_SIG_TRAFFIC: bool = False # true if we have codec2 signalling mode traffic on channel
 
 class FRAME_TYPE(Enum):
     """Lookup for frame types"""