From 3c337d6cf5f88c90b71d08e25d950f9cd87017e7 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Mon, 15 Jul 2024 03:45:04 +0200
Subject: [PATCH] WDSP receiver: implemented SAM DSB/USB/LSB selection

---
 plugins/channelrx/wdsprx/wdsprxgui.cpp  | 19 ++++++++++++++++++-
 plugins/channelrx/wdsprx/wdsprxsink.cpp | 19 +++++++++----------
 2 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/plugins/channelrx/wdsprx/wdsprxgui.cpp b/plugins/channelrx/wdsprx/wdsprxgui.cpp
index 540fb40e8..8198bbe0b 100644
--- a/plugins/channelrx/wdsprx/wdsprxgui.cpp
+++ b/plugins/channelrx/wdsprx/wdsprxgui.cpp
@@ -409,15 +409,16 @@ void WDSPRxGUI::on_demod_currentIndexChanged(int index)
     switch(m_settings.m_demod)
     {
     case WDSPRxProfile::DemodSSB:
+    case WDSPRxProfile::DemodSAM:
         break;
     case WDSPRxProfile::DemodAM:
-    case WDSPRxProfile::DemodSAM:
     case WDSPRxProfile::DemodFMN:
         m_settings.m_dsb = true;
         break;
     default:
         break;
     }
+
     displaySettings();
     applyBandwidths(m_settings.m_profiles[m_settings.m_profileIndex].m_spanLog2, true); // does applySettings(true)
 }
@@ -829,6 +830,22 @@ void WDSPRxGUI::displaySettings()
     ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
     ui->fftWindow->setCurrentIndex(m_settings.m_profiles[m_settings.m_profileIndex].m_fftWindow);
 
+    // DSB enable/disable
+    switch(m_settings.m_demod)
+    {
+    case WDSPRxProfile::DemodSSB:
+    case WDSPRxProfile::DemodSAM:
+        ui->dsb->setEnabled(true);
+        break;
+    case WDSPRxProfile::DemodAM:
+    case WDSPRxProfile::DemodFMN:
+        ui->dsb->setEnabled(false);
+        break;
+    default:
+        ui->dsb->setEnabled(true);
+        break;
+    }
+
     // Prevent uncontrolled triggering of applyBandwidths
     ui->spanLog2->blockSignals(true);
     ui->dsb->blockSignals(true);
diff --git a/plugins/channelrx/wdsprx/wdsprxsink.cpp b/plugins/channelrx/wdsprx/wdsprxsink.cpp
index a03704f48..4cfc42634 100644
--- a/plugins/channelrx/wdsprx/wdsprxsink.cpp
+++ b/plugins/channelrx/wdsprx/wdsprxsink.cpp
@@ -451,17 +451,10 @@ void WDSPRxSink::applySettings(const WDSPRxSettings& settings, bool force)
 
         if (settings.m_demod == WDSPRxProfile::DemodSSB)
         {
-            if (dsb)
-            {
+            if (dsb) {
                 WDSP::RXA::SetMode(*m_rxa, WDSP::RXA::RXA_DSB);
-            }
-            else
-            {
-                if (usb) {
-                    WDSP::RXA::SetMode(*m_rxa, WDSP::RXA::RXA_USB);
-                } else {
-                    WDSP::RXA::SetMode(*m_rxa, WDSP::RXA::RXA_LSB);
-                }
+            } else {
+                WDSP::RXA::SetMode(*m_rxa, usb ? WDSP::RXA::RXA_USB : WDSP::RXA::RXA_LSB);
             }
         }
         else if (settings.m_demod == WDSPRxProfile::DemodAM)
@@ -471,6 +464,12 @@ void WDSPRxSink::applySettings(const WDSPRxSettings& settings, bool force)
         else if (settings.m_demod == WDSPRxProfile::DemodSAM)
         {
             WDSP::RXA::SetMode(*m_rxa, WDSP::RXA::RXA_SAM);
+
+            if (dsb) {
+                WDSP::AMD::SetAMDSBMode(*m_rxa, 0);
+            } else {
+                WDSP::AMD::SetAMDSBMode(*m_rxa, usb ? 2 : 1);
+            }
         }
         else if (settings.m_demod == WDSPRxProfile::DemodFMN)
         {