From ac06c7097faa1b4555add032e7902dc5a3cd7548 Mon Sep 17 00:00:00 2001
From: Luke Berndt <lukekb@gmail.com>
Date: Thu, 25 Apr 2024 21:27:36 -0400
Subject: [PATCH] Fix for analog smartnet

---
 trunk-recorder/gr_blocks/xlat_channelizer.cc | 12 ++++++------
 trunk-recorder/gr_blocks/xlat_channelizer.h  |  6 +++---
 trunk-recorder/recorders/analog_recorder.cc  |  3 ++-
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/trunk-recorder/gr_blocks/xlat_channelizer.cc b/trunk-recorder/gr_blocks/xlat_channelizer.cc
index e1aef3bb4..80f479022 100644
--- a/trunk-recorder/gr_blocks/xlat_channelizer.cc
+++ b/trunk-recorder/gr_blocks/xlat_channelizer.cc
@@ -1,8 +1,8 @@
 #include "xlat_channelizer.h"
 
-xlat_channelizer::sptr xlat_channelizer::make(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool conventional) {
+xlat_channelizer::sptr xlat_channelizer::make(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool use_squelch) {
 
-  return gnuradio::get_initial_sptr(new xlat_channelizer(input_rate, samples_per_symbol, symbol_rate, center_freq, conventional));
+  return gnuradio::get_initial_sptr(new xlat_channelizer(input_rate, samples_per_symbol, symbol_rate, center_freq, use_squelch));
 }
 
 const int xlat_channelizer::smartnet_samples_per_symbol;
@@ -40,7 +40,7 @@ xlat_channelizer::DecimSettings xlat_channelizer::get_decim(long speed) {
   return decim_settings;
 }
 
-xlat_channelizer::xlat_channelizer(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool conventional)
+xlat_channelizer::xlat_channelizer(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool use_squelch)
     : gr::hier_block2("xlat_channelizer_ccf",
                       gr::io_signature::make(1, 1, sizeof(gr_complex)),
                       gr::io_signature::make(1, 1, sizeof(gr_complex))),
@@ -48,7 +48,7 @@ xlat_channelizer::xlat_channelizer(double input_rate, int samples_per_symbol, do
       d_input_rate(input_rate),
       d_samples_per_symbol(samples_per_symbol),
       d_symbol_rate(symbol_rate),
-      d_conventional(conventional) {
+      d_use_squelch(use_squelch) {
 
   long channel_rate = d_symbol_rate * d_samples_per_symbol;
   // long if_rate = 12500;
@@ -126,7 +126,7 @@ xlat_channelizer::xlat_channelizer(double input_rate, int samples_per_symbol, do
 
   connect(self(), 0, freq_xlat, 0);
 
-  if (d_conventional) {
+  if (d_use_squelch) {
     BOOST_LOG_TRIVIAL(info) << "Conventional - with Squelch";
     if (arb_rate == 1.0) {
       connect(freq_xlat, 0, squelch, 0);
@@ -159,7 +159,7 @@ bool xlat_channelizer::is_squelched() {
 }
 
 double xlat_channelizer::get_pwr() {
-  if (d_conventional) {
+  if (d_use_squelch) {
     return squelch->get_pwr();
   } else {
     return DB_UNSET;
diff --git a/trunk-recorder/gr_blocks/xlat_channelizer.h b/trunk-recorder/gr_blocks/xlat_channelizer.h
index feae43cef..d81f04288 100644
--- a/trunk-recorder/gr_blocks/xlat_channelizer.h
+++ b/trunk-recorder/gr_blocks/xlat_channelizer.h
@@ -39,8 +39,8 @@ class xlat_channelizer : public gr::hier_block2 {
   typedef std::shared_ptr<xlat_channelizer> sptr;
 #endif
 
-  static sptr make(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool conventional);
-  xlat_channelizer(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool conventional);
+  static sptr make(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool use_squelch);
+  xlat_channelizer(double input_rate, int samples_per_symbol, double symbol_rate, double center_freq, bool use_squelch);
 
   struct DecimSettings {
     long decim;
@@ -72,7 +72,7 @@ class xlat_channelizer : public gr::hier_block2 {
   int d_samples_per_symbol;
   double d_symbol_rate;
 
-  bool d_conventional;
+  bool d_use_squelch;
   long symbol_rate;
   double squelch_db;
   long decim;
diff --git a/trunk-recorder/recorders/analog_recorder.cc b/trunk-recorder/recorders/analog_recorder.cc
index 6089309c3..e4ccd4c4d 100644
--- a/trunk-recorder/recorders/analog_recorder.cc
+++ b/trunk-recorder/recorders/analog_recorder.cc
@@ -117,7 +117,8 @@ analog_recorder::analog_recorder(Source *src, Recorder_Type type, float tone_fre
   system_channel_rate = 16000; // 4800 * samp_per_sym;
   wav_sample_rate = 16000;     // Must be an integer decimation of system_channel_rate
 
-  prefilter = xlat_channelizer::make(input_rate, 2, 8000, center_freq, conventional);
+  // The Prefilter provides the initial squelch for the channel
+  prefilter = xlat_channelizer::make(input_rate, 2, 8000, center_freq, true);
   prefilter->set_analog_squelch(true);
 
   //  based on squelch code form ham2mon