From d6154eb0eb1c949280261643619d6f85e6b05c18 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sun, 21 Jun 2015 13:03:12 +0200
Subject: [PATCH] Fixed Channel Analyzer LSB display and save its SSB checkbox
 state

---
 Readme.md                                    | 2 ++
 plugins/channel/chanalyzer/chanalyzer.cpp    | 6 +++++-
 plugins/channel/chanalyzer/chanalyzergui.cpp | 4 ++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Readme.md b/Readme.md
index b4af90cec..7ef20c1d7 100644
--- a/Readme.md
+++ b/Readme.md
@@ -107,6 +107,8 @@ Done since the fork
   - As a consequence of the above added more interesting values for the available sampling rates of the BladeRF plugin
   - Variable span for the SSB demod down to 1.5 kHz
   - Filter out CTCSS tones for audio and full CTCSS support in NFMDemod
+  - Enhancement of the NFM squelch
+  - Added a channel analyzer plugin focusing on measurement (DSA/DSO functionnality). Basic functions.
     
 =====
 To Do
diff --git a/plugins/channel/chanalyzer/chanalyzer.cpp b/plugins/channel/chanalyzer/chanalyzer.cpp
index 2ed51a60d..83be68389 100644
--- a/plugins/channel/chanalyzer/chanalyzer.cpp
+++ b/plugins/channel/chanalyzer/chanalyzer.cpp
@@ -115,7 +115,11 @@ void ChannelAnalyzer::feed(SampleVector::const_iterator begin, SampleVector::con
 			if (!(m_undersampleCount++ & decim_mask))
 			{
 				sum /= decim;
-				m_sampleBuffer.push_back(Sample(sum.real() * 32768.0, sum.imag() * 32768.0));
+				if (m_ssb & !m_usb) { // invert spectrum for LSB
+					m_sampleBuffer.push_back(Sample(sum.imag() * 32768.0, sum.real() * 32768.0));
+				} else {
+					m_sampleBuffer.push_back(Sample(sum.real() * 32768.0, sum.imag() * 32768.0));
+				}
 				sum = 0;
 			}
 
diff --git a/plugins/channel/chanalyzer/chanalyzergui.cpp b/plugins/channel/chanalyzer/chanalyzergui.cpp
index 49fb9fa34..d5357bf39 100644
--- a/plugins/channel/chanalyzer/chanalyzergui.cpp
+++ b/plugins/channel/chanalyzer/chanalyzergui.cpp
@@ -51,6 +51,7 @@ QByteArray ChannelAnalyzerGUI::serialize() const
 	s.writeU32(4, m_channelMarker->getColor().rgb());
 	s.writeS32(5, ui->lowCut->value());
 	s.writeS32(6, ui->spanLog2->value());
+	s.writeBool(7, ui->ssb->isChecked());
 	return s.final();
 }
 
@@ -67,6 +68,7 @@ bool ChannelAnalyzerGUI::deserialize(const QByteArray& data)
 		QByteArray bytetmp;
 		quint32 u32tmp;
 		qint32 tmp;
+		bool tmpBool;
 		d.readS32(1, &tmp, 0);
 		m_channelMarker->setCenterFrequency(tmp);
 		d.readS32(2, &tmp, 30);
@@ -80,6 +82,8 @@ bool ChannelAnalyzerGUI::deserialize(const QByteArray& data)
 		d.readS32(6, &tmp, 20);
 		ui->spanLog2->setValue(tmp);
 		setNewRate(tmp);
+		d.readBool(7, &tmpBool, false);
+		ui->ssb->setChecked(tmpBool);
 		applySettings();
 		return true;
 	} else {