From ca14e41e1cb892a429ca47b4d0f70eb7b3b36afd Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Thu, 26 Oct 2017 01:47:43 +0200
Subject: [PATCH] LimeSDR: use LMS_GetSampleRate to get the actual rates when
 MsgReportBuddyChange comes from an opposite buddy

---
 .../limesdroutput/limesdroutput.cpp           | 30 +++++++++++++++++--
 .../limesdrinput/limesdrinput.cpp             | 28 +++++++++++++++--
 2 files changed, 54 insertions(+), 4 deletions(-)

diff --git a/plugins/samplesink/limesdroutput/limesdroutput.cpp b/plugins/samplesink/limesdroutput/limesdroutput.cpp
index 0dfe6d1cf..e01ae924f 100644
--- a/plugins/samplesink/limesdroutput/limesdroutput.cpp
+++ b/plugins/samplesink/limesdroutput/limesdroutput.cpp
@@ -532,8 +532,34 @@ bool LimeSDROutput::handleMessage(const Message& message)
 
         if (report.getRxElseTx())
         {
-            int adcdac_rate = report.getDevSampleRate() * (1<<report.getLog2HardDecimInterp());
-            m_settings.m_devSampleRate = adcdac_rate / (1<<m_settings.m_log2HardInterp); // new device to host sample rate
+            double host_Hz;
+            double rf_Hz;
+
+            if (LMS_GetSampleRate(m_deviceShared.m_deviceParams->getDevice(),
+                    LMS_CH_TX,
+                    m_deviceShared.m_channel,
+                    &host_Hz,
+                    &rf_Hz) < 0)
+            {
+                qDebug("LimeSDROutput::handleMessage: MsgReportBuddyChange: LMS_GetSampleRate() failed");
+            }
+            else
+            {
+                m_settings.m_devSampleRate = roundf(host_Hz);
+                int hard = roundf(rf_Hz) / m_settings.m_devSampleRate;
+                m_settings.m_log2HardInterp = log2(hard);
+
+                qDebug() << "LimeSDROutput::handleMessage: MsgReportBuddyChange:"
+                         << " host_Hz: " << host_Hz
+                         << " rf_Hz: " << rf_Hz
+                         << " m_devSampleRate: " << m_settings.m_devSampleRate
+                         << " log2Hard: " << hard
+                         << " m_log2HardInterp: " << m_settings.m_log2HardInterp;
+
+//                int adcdac_rate = report.getDevSampleRate() * (1<<report.getLog2HardDecimInterp());
+//                m_settings.m_devSampleRate = adcdac_rate / (1<<m_settings.m_log2HardInterp); // new device to host sample rate
+            }
+
         }
         else
         {
diff --git a/plugins/samplesource/limesdrinput/limesdrinput.cpp b/plugins/samplesource/limesdrinput/limesdrinput.cpp
index 4badcb4b1..7c6a4be50 100644
--- a/plugins/samplesource/limesdrinput/limesdrinput.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinput.cpp
@@ -548,8 +548,32 @@ bool LimeSDRInput::handleMessage(const Message& message)
         }
         else
         {
-            int adcdac_rate = report.getDevSampleRate() * (1<<report.getLog2HardDecimInterp());
-            m_settings.m_devSampleRate = adcdac_rate / (1<<m_settings.m_log2HardDecim); // new device to host sample rate
+            double host_Hz;
+            double rf_Hz;
+
+            if (LMS_GetSampleRate(m_deviceShared.m_deviceParams->getDevice(),
+                    LMS_CH_RX,
+                    m_deviceShared.m_channel,
+                    &host_Hz,
+                    &rf_Hz) < 0)
+            {
+                qDebug("LimeSDRInput::handleMessage: MsgReportBuddyChange: LMS_GetSampleRate() failed");
+            }
+            else
+            {
+                m_settings.m_devSampleRate = roundf(host_Hz);
+                int hard = roundf(rf_Hz) / m_settings.m_devSampleRate;
+                m_settings.m_log2HardDecim = log2(hard);
+
+                qDebug() << "LimeSDRInput::handleMessage: MsgReportBuddyChange:"
+                         << " host_Hz: " << host_Hz
+                         << " rf_Hz: " << rf_Hz
+                         << " m_devSampleRate: " << m_settings.m_devSampleRate
+                         << " log2Hard: " << hard
+                         << " m_log2HardDecim: " << m_settings.m_log2HardDecim;
+//                int adcdac_rate = report.getDevSampleRate() * (1<<report.getLog2HardDecimInterp());
+//                m_settings.m_devSampleRate = adcdac_rate / (1<<m_settings.m_log2HardDecim); // new device to host sample rate
+            }
         }
 
         if (m_settings.m_ncoEnable) // need to reset NCO after sample rate change