From f8fb1788ee06c21b799aa33caf75a854b8ec45b8 Mon Sep 17 00:00:00 2001
From: Dawid SQ6EMM <sq6emm@hamradio.pl>
Date: Mon, 24 Feb 2025 16:52:47 +0100
Subject: [PATCH] Add possibility to set frequency tolerance (initial for jt4
 only)

Signed-off-by: Dawid SQ6EMM <sq6emm@hamradio.pl>
---
 owrx/config/defaults.py               |  1 +
 owrx/controllers/settings/decoding.py |  5 +++++
 owrx/wsjt.py                          | 10 +++++++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/owrx/config/defaults.py b/owrx/config/defaults.py
index 0f97a199..30e3da5d 100644
--- a/owrx/config/defaults.py
+++ b/owrx/config/defaults.py
@@ -152,6 +152,7 @@ defaultConfig = PropertyLayer(
     decoding_queue_workers=2,
     decoding_queue_length=10,
     wsjt_decoding_depth=3,
+    wsjt_frequency_tolerance=20,
     wsjt_decoding_depths=PropertyLayer(jt65=1),
     fst4_enabled_intervals=[15, 30],
     fst4w_enabled_intervals=[120, 300],
diff --git a/owrx/controllers/settings/decoding.py b/owrx/controllers/settings/decoding.py
index 24f32ae8..ced6fa07 100644
--- a/owrx/controllers/settings/decoding.py
+++ b/owrx/controllers/settings/decoding.py
@@ -70,6 +70,11 @@ class DecodingSettingsController(SettingsFormController):
                     "Default WSJT decoding depth",
                     infotext="A higher decoding depth will allow more results, but will also consume more cpu",
                 ),
+                NumberInput(
+                    "wsjt_frequency_tolerance",
+                    "Default WSJT frequency tolerance",
+                    infotext="A higher frequency tolerance will allow more decodes, but will also consume more cpu",
+                ),
                 WsjtDecodingDepthsInput(
                     "wsjt_decoding_depths",
                     "Individual decoding depths",
diff --git a/owrx/wsjt.py b/owrx/wsjt.py
index 38ce7c8f..78ced60a 100644
--- a/owrx/wsjt.py
+++ b/owrx/wsjt.py
@@ -29,6 +29,14 @@ class WsjtProfile(AudioChopperProfile, metaclass=ABCMeta):
         # default when no setting is provided
         return 3
 
+    def frequency_tolerance(self):
+        pm = Config.get()
+        if "wsjt_frequency_tolerance" in pm:
+            return pm["wsjt_frequency_tolerance"]
+        # default when no setting is provided
+        return 20
+
+
     def getTimestampFormat(self):
         if self.getInterval() < 60:
             return "%H%M%S"
@@ -222,7 +230,7 @@ class JT4Profile(WsjtProfile):
         return self.submode
 
     def decoder_commandline(self, file):
-        return ["jt9", "-4", "-b", str(self.submode), "-d", str(self.decoding_depth()), file]
+        return ["jt9", "-4", "-b", str(self.submode), "-d", str(self.decoding_depth()), "-F", str(self.frequency_tolerance()), file]
 
     def getMode(self):
         return "JT4"