diff --git a/devices/bladerf2/devicebladerf2.cpp b/devices/bladerf2/devicebladerf2.cpp
index 8e4d96476..0cfb58573 100644
--- a/devices/bladerf2/devicebladerf2.cpp
+++ b/devices/bladerf2/devicebladerf2.cpp
@@ -455,7 +455,7 @@ void DeviceBladeRF2::getBandwidthRangeTx(int& min, int& max, int& step)
}
}
-void DeviceBladeRF2::getGlobalGainRangeRx(int& min, int& max, int& step)
+void DeviceBladeRF2::getGlobalGainRangeRx(int& min, int& max, int& step, float& scale)
{
if (m_dev)
{
@@ -474,11 +474,12 @@ void DeviceBladeRF2::getGlobalGainRangeRx(int& min, int& max, int& step)
min = range->min;
max = range->max;
step = range->step;
+ scale = range->scale;
}
}
}
-void DeviceBladeRF2::getGlobalGainRangeTx(int& min, int& max, int& step)
+void DeviceBladeRF2::getGlobalGainRangeTx(int& min, int& max, int& step, float& scale)
{
if (m_dev)
{
@@ -497,6 +498,9 @@ void DeviceBladeRF2::getGlobalGainRangeTx(int& min, int& max, int& step)
min = range->min;
max = range->max;
step = range->step;
+ scale = range->scale;
+ qDebug("DeviceBladeRF2::getGlobalGainRangeTx: min: %d max: %d step: %d scale: %f",
+ min, max, step, scale);
}
}
}
diff --git a/devices/bladerf2/devicebladerf2.h b/devices/bladerf2/devicebladerf2.h
index 805e57692..a5559b42c 100644
--- a/devices/bladerf2/devicebladerf2.h
+++ b/devices/bladerf2/devicebladerf2.h
@@ -47,8 +47,8 @@ public:
void getSampleRateRangeTx(int& min, int& max, int& step);
void getBandwidthRangeRx(int& min, int& max, int& step);
void getBandwidthRangeTx(int& min, int& max, int& step);
- void getGlobalGainRangeRx(int& min, int& max, int& step);
- void getGlobalGainRangeTx(int& min, int& max, int& step);
+ void getGlobalGainRangeRx(int& min, int& max, int& step, float& scale);
+ void getGlobalGainRangeTx(int& min, int& max, int& step, float& scale);
int getGainModesRx(const bladerf_gain_modes**);
void setBiasTeeRx(bool enable);
void setBiasTeeTx(bool enable);
diff --git a/plugins/samplesink/bladerf2output/bladerf2output.cpp b/plugins/samplesink/bladerf2output/bladerf2output.cpp
index f49efb3ee..21396b437 100644
--- a/plugins/samplesink/bladerf2output/bladerf2output.cpp
+++ b/plugins/samplesink/bladerf2output/bladerf2output.cpp
@@ -577,10 +577,10 @@ void BladeRF2Output::getBandwidthRange(int& min, int& max, int& step)
}
}
-void BladeRF2Output::getGlobalGainRange(int& min, int& max, int& step)
+void BladeRF2Output::getGlobalGainRange(int& min, int& max, int& step, float& scale)
{
if (m_deviceShared.m_dev) {
- m_deviceShared.m_dev->getGlobalGainRangeTx(min, max, step);
+ m_deviceShared.m_dev->getGlobalGainRangeTx(min, max, step, scale);
}
}
@@ -827,8 +827,9 @@ bool BladeRF2Output::applySettings(const BladeRF2OutputSettings& settings, bool
if (getMessageQueueToGUI())
{
int min, max, step;
- getGlobalGainRange(min, max, step);
- MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step);
+ float scale;
+ getGlobalGainRange(min, max, step, scale);
+ MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step, scale);
getMessageQueueToGUI()->push(msg);
}
}
@@ -1062,6 +1063,7 @@ void BladeRF2Output::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& resp
if (device)
{
int min, max, step;
+ float scale;
uint64_t f_min, f_max;
device->getBandwidthRangeTx(min, max, step);
@@ -1078,7 +1080,7 @@ void BladeRF2Output::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& resp
response.getBladeRf2OutputReport()->getFrequencyRange()->setMax(f_max);
response.getBladeRf2OutputReport()->getFrequencyRange()->setStep(step);
- device->getGlobalGainRangeTx(min, max, step);
+ device->getGlobalGainRangeTx(min, max, step, scale);
response.getBladeRf2OutputReport()->setGlobalGainRange(new SWGSDRangel::SWGRange);
response.getBladeRf2OutputReport()->getGlobalGainRange()->setMin(min);
diff --git a/plugins/samplesink/bladerf2output/bladerf2output.h b/plugins/samplesink/bladerf2output/bladerf2output.h
index c8d87b607..d97ffdd31 100644
--- a/plugins/samplesink/bladerf2output/bladerf2output.h
+++ b/plugins/samplesink/bladerf2output/bladerf2output.h
@@ -85,21 +85,24 @@ public:
int getMin() const { return m_min; }
int getMax() const { return m_max; }
int getStep() const { return m_step; }
+ float getScale() const { return m_scale; }
- static MsgReportGainRange* create(int min, int max, int step) {
- return new MsgReportGainRange(min, max, step);
+ static MsgReportGainRange* create(int min, int max, int step, float scale) {
+ return new MsgReportGainRange(min, max, step, scale);
}
protected:
int m_min;
int m_max;
int m_step;
+ float m_scale;
- MsgReportGainRange(int min, int max, int step) :
+ MsgReportGainRange(int min, int max, int step, float scale) :
Message(),
m_min(min),
m_max(max),
- m_step(step)
+ m_step(step),
+ m_scale(scale)
{}
};
@@ -126,7 +129,7 @@ public:
void getFrequencyRange(uint64_t& min, uint64_t& max, int& step);
void getSampleRateRange(int& min, int& max, int& step);
void getBandwidthRange(int& min, int& max, int& step);
- void getGlobalGainRange(int& min, int& max, int& step);
+ void getGlobalGainRange(int& min, int& max, int& step, float& scale);
virtual bool handleMessage(const Message& message);
diff --git a/plugins/samplesink/bladerf2output/bladerf2outputgui.cpp b/plugins/samplesink/bladerf2output/bladerf2outputgui.cpp
index 50aa56a2a..7c16166ef 100644
--- a/plugins/samplesink/bladerf2output/bladerf2outputgui.cpp
+++ b/plugins/samplesink/bladerf2output/bladerf2outputgui.cpp
@@ -64,10 +64,10 @@ BladeRF2OutputGui::BladeRF2OutputGui(DeviceUISet *deviceUISet, QWidget* parent)
ui->bandwidth->setColorMapper(ColorMapper(ColorMapper::GrayYellow));
ui->bandwidth->setValueRange(5, min/1000, max/1000);
- m_sampleSink->getGlobalGainRange(min, max, step);
- qDebug("BladeRF2OutputGui::BladeRF2OutputGui: getGlobalGainRange: [%d,%d] step: %d", min, max, step);
- ui->gain->setMinimum((min-max)/1000);
- ui->gain->setMaximum(0);
+ m_sampleSink->getGlobalGainRange(m_gainMin, m_gainMax, m_gainStep, m_gainScale);
+ qDebug("BladeRF2OutputGui::BladeRF2OutputGui: getGlobalGainRange: [%d,%d] step: %d scale: %f", m_gainMin, m_gainMax, m_gainStep, m_gainScale);
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
ui->gain->setPageStep(1);
ui->gain->setSingleStep(1);
@@ -174,10 +174,9 @@ bool BladeRF2OutputGui::handleMessage(const Message& message)
const BladeRF2Output::MsgConfigureBladeRF2& cfg = (BladeRF2Output::MsgConfigureBladeRF2&) message;
m_settings = cfg.getSettings();
blockApplySettings(true);
- int min, max, step;
- m_sampleSink->getGlobalGainRange(min, max, step);
- ui->gain->setMinimum((min-max)/1000);
- ui->gain->setMaximum(0);
+ m_sampleSink->getGlobalGainRange(m_gainMin, m_gainMax, m_gainStep, m_gainScale);
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
ui->gain->setPageStep(1);
ui->gain->setSingleStep(1);
displaySettings();
@@ -188,8 +187,12 @@ bool BladeRF2OutputGui::handleMessage(const Message& message)
else if (BladeRF2Output::MsgReportGainRange::match(message))
{
const BladeRF2Output::MsgReportGainRange& cfg = (BladeRF2Output::MsgReportGainRange&) message;
- ui->gain->setMinimum((cfg.getMin()-cfg.getMax())/1000);
- ui->gain->setMaximum(0);
+ m_gainMin = cfg.getMin();
+ m_gainMax = cfg.getMax();
+ m_gainStep = cfg.getStep();
+ m_gainScale = cfg.getScale();
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
ui->gain->setSingleStep(1);
ui->gain->setPageStep(1);
@@ -294,8 +297,8 @@ void BladeRF2OutputGui::displaySettings()
ui->bandwidth->setValue(m_settings.m_bandwidth / 1000);
ui->interp->setCurrentIndex(m_settings.m_log2Interp);
- ui->gainText->setText(tr("%1 dB").arg(m_settings.m_globalGain));
- ui->gain->setValue(m_settings.m_globalGain);
+ ui->gainText->setText(tr("%1 dB").arg(QString::number(m_settings.m_globalGain, 'f', 2)));
+ ui->gain->setValue(getGainValue(m_settings.m_globalGain));
ui->biasTee->setChecked(m_settings.m_biasTee);
blockApplySettings(false);
@@ -363,8 +366,9 @@ void BladeRF2OutputGui::on_interp_currentIndexChanged(int index)
void BladeRF2OutputGui::on_gain_valueChanged(int value)
{
- ui->gainText->setText(tr("%1 dB").arg(value));
- m_settings.m_globalGain = value;
+ float displayableGain = getGainDB(value);
+ ui->gainText->setText(tr("%1 dB").arg(QString::number(displayableGain, 'f', 2)));
+ m_settings.m_globalGain = (int) displayableGain;
sendSettings();
}
@@ -452,3 +456,19 @@ void BladeRF2OutputGui::openDeviceSettingsDialog(const QPoint& p)
sendSettings();
}
+
+float BladeRF2OutputGui::getGainDB(int gainValue)
+{
+ float gain = gainValue*m_gainStep*m_gainScale;
+ // qDebug("BladeRF2OutputGui::getGainDB: gainValue: %d m_gainMin: %d m_gainMax: %d m_gainStep: %d gain: %f",
+ // gainValue, m_gainMin, m_gainMax, m_gainStep, gain);
+ return gain;
+}
+
+int BladeRF2OutputGui::getGainValue(float gainDB)
+{
+ int gain = (gainDB/m_gainScale) / m_gainStep;
+ // qDebug("BladeRF2OutputGui::getGainValue: gainDB: %f m_gainMin: %d m_gainMax: %d m_gainStep: %d gain: %d",
+ // gainDB, m_gainMin, m_gainMax, m_gainStep, gain);
+ return gain;
+}
diff --git a/plugins/samplesink/bladerf2output/bladerf2outputgui.h b/plugins/samplesink/bladerf2output/bladerf2outputgui.h
index 2be21758e..c1ec08aa5 100644
--- a/plugins/samplesink/bladerf2output/bladerf2outputgui.h
+++ b/plugins/samplesink/bladerf2output/bladerf2outputgui.h
@@ -67,6 +67,10 @@ private:
quint64 m_deviceCenterFrequency; //!< Center frequency in device
int m_lastEngineState;
MessageQueue m_inputMessageQueue;
+ int m_gainMin;
+ int m_gainMax;
+ int m_gainStep;
+ float m_gainScale;
void blockApplySettings(bool block) { m_doApplySettings = !block; }
void displaySettings();
@@ -75,6 +79,8 @@ private:
void updateSampleRateAndFrequency();
void updateFrequencyLimits();
void setCenterFrequencySetting(uint64_t kHzValue);
+ float getGainDB(int gainValue);
+ int getGainValue(float gainDB);
private slots:
void handleInputMessages();
diff --git a/plugins/samplesink/bladerf2output/readme.md b/plugins/samplesink/bladerf2output/readme.md
index cbb9c1f7c..661dfa507 100644
--- a/plugins/samplesink/bladerf2output/readme.md
+++ b/plugins/samplesink/bladerf2output/readme.md
@@ -8,11 +8,6 @@ This output sample sink plugin sends its samples to a [BladeRF2 device](https://
The plugin will be built only if the [BladeRF host library](https://github.com/Nuand/bladeRF) is installed in your system. If you build it from source and install it in a custom location say: `/opt/install/libbladeRF` you will have to add `-DBLADERF_DIR=/opt/install/libbladeRF/include` to the cmake command line.
-Note that libbladeRF v2 with git tag 2018.10-rc1 should be used (official release) thus:
-
- - The FX3 firmware version should be v2.3.1
- - The FPGA image version should be v0.9.0
-
The FPGA .rbf file should be copied to the folder where the `sdrangel` binary resides. You can download FPGA images from [here](https://www.nuand.com/fpga_images/)
The BladeRF Host library is also provided by many Linux distributions (check its version) and is built in the SDRangel binary releases.
@@ -117,7 +112,7 @@ The main samples buffer is based on the baseband sample rate and will introduce
9: Gain control
-Use this slider to adjust gain in manual mode. The gain varies from -89 to 0 dB in 1 dB steps. Thus this is in fact an attenuator
+Use this slider to adjust gain in manual mode. The gain varies from -23.75 to 66 dB in 0.25 dB steps. However only integer values are taken into account.
10: Bias tee control
diff --git a/plugins/samplesource/bladerf2input/bladerf2input.cpp b/plugins/samplesource/bladerf2input/bladerf2input.cpp
index 3087302e0..859568f38 100644
--- a/plugins/samplesource/bladerf2input/bladerf2input.cpp
+++ b/plugins/samplesource/bladerf2input/bladerf2input.cpp
@@ -591,10 +591,10 @@ void BladeRF2Input::getBandwidthRange(int& min, int& max, int& step)
}
}
-void BladeRF2Input::getGlobalGainRange(int& min, int& max, int& step)
+void BladeRF2Input::getGlobalGainRange(int& min, int& max, int& step, float& scale)
{
if (m_deviceShared.m_dev) {
- m_deviceShared.m_dev->getGlobalGainRangeRx(min, max, step);
+ m_deviceShared.m_dev->getGlobalGainRangeRx(min, max, step, scale);
}
}
@@ -681,8 +681,9 @@ bool BladeRF2Input::handleMessage(const Message& message)
if (getMessageQueueToGUI())
{
int min, max, step;
- getGlobalGainRange(min, max, step);
- MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step);
+ float scale;
+ getGlobalGainRange(min, max, step, scale);
+ MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step, scale);
getMessageQueueToGUI()->push(msg);
}
}
@@ -884,8 +885,9 @@ bool BladeRF2Input::applySettings(const BladeRF2InputSettings& settings, bool fo
if (getMessageQueueToGUI())
{
int min, max, step;
- getGlobalGainRange(min, max, step);
- MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step);
+ float scale;
+ getGlobalGainRange(min, max, step, scale);
+ MsgReportGainRange *msg = MsgReportGainRange::create(min, max, step, scale);
getMessageQueueToGUI()->push(msg);
}
}
@@ -1153,6 +1155,7 @@ void BladeRF2Input::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& respo
if (device)
{
int min, max, step;
+ float scale;
uint64_t f_min, f_max;
device->getBandwidthRangeRx(min, max, step);
@@ -1169,7 +1172,7 @@ void BladeRF2Input::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& respo
response.getBladeRf2InputReport()->getFrequencyRange()->setMax(f_max);
response.getBladeRf2InputReport()->getFrequencyRange()->setStep(step);
- device->getGlobalGainRangeRx(min, max, step);
+ device->getGlobalGainRangeRx(min, max, step, scale);
response.getBladeRf2InputReport()->setGlobalGainRange(new SWGSDRangel::SWGRange);
response.getBladeRf2InputReport()->getGlobalGainRange()->setMin(min);
diff --git a/plugins/samplesource/bladerf2input/bladerf2input.h b/plugins/samplesource/bladerf2input/bladerf2input.h
index 134d31dc4..daf0fb502 100644
--- a/plugins/samplesource/bladerf2input/bladerf2input.h
+++ b/plugins/samplesource/bladerf2input/bladerf2input.h
@@ -87,21 +87,24 @@ public:
int getMin() const { return m_min; }
int getMax() const { return m_max; }
int getStep() const { return m_step; }
+ float getScale() const { return m_scale; }
- static MsgReportGainRange* create(int min, int max, int step) {
- return new MsgReportGainRange(min, max, step);
+ static MsgReportGainRange* create(int min, int max, int step, float scale) {
+ return new MsgReportGainRange(min, max, step, scale);
}
protected:
int m_min;
int m_max;
int m_step;
+ float m_scale;
- MsgReportGainRange(int min, int max, int step) :
+ MsgReportGainRange(int min, int max, int step, float scale) :
Message(),
m_min(min),
m_max(max),
- m_step(step)
+ m_step(step),
+ m_scale(scale)
{}
};
@@ -134,7 +137,7 @@ public:
void getFrequencyRange(uint64_t& min, uint64_t& max, int& step);
void getSampleRateRange(int& min, int& max, int& step);
void getBandwidthRange(int& min, int& max, int& step);
- void getGlobalGainRange(int& min, int& max, int& step);
+ void getGlobalGainRange(int& min, int& max, int& step, float& scale);
const std::vector& getGainModes() { return m_gainModes; }
virtual bool handleMessage(const Message& message);
diff --git a/plugins/samplesource/bladerf2input/bladerf2inputgui.cpp b/plugins/samplesource/bladerf2input/bladerf2inputgui.cpp
index 4fee9f6ae..646b605f2 100644
--- a/plugins/samplesource/bladerf2input/bladerf2inputgui.cpp
+++ b/plugins/samplesource/bladerf2input/bladerf2inputgui.cpp
@@ -74,11 +74,11 @@ BladeRF2InputGui::BladeRF2InputGui(DeviceUISet *deviceUISet, QWidget* parent) :
ui->gainMode->blockSignals(false);
- m_sampleSource->getGlobalGainRange(min, max, step);
- ui->gain->setMinimum(min);
- ui->gain->setMaximum(max);
- ui->gain->setPageStep(step);
- ui->gain->setSingleStep(step);
+ m_sampleSource->getGlobalGainRange(m_gainMin, m_gainMax, m_gainStep, m_gainScale);
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
+ ui->gain->setPageStep(1);
+ ui->gain->setSingleStep(1);
ui->label_decim->setText(QString::fromUtf8("D\u2193"));
@@ -187,12 +187,11 @@ bool BladeRF2InputGui::handleMessage(const Message& message)
const BladeRF2Input::MsgConfigureBladeRF2& cfg = (BladeRF2Input::MsgConfigureBladeRF2&) message;
m_settings = cfg.getSettings();
blockApplySettings(true);
- int min, max, step;
- m_sampleSource->getGlobalGainRange(min, max, step);
- ui->gain->setMinimum(min);
- ui->gain->setMaximum(max);
- ui->gain->setPageStep(step);
- ui->gain->setSingleStep(step);
+ m_sampleSource->getGlobalGainRange(m_gainMin, m_gainMax, m_gainStep, m_gainScale);
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
+ ui->gain->setPageStep(1);
+ ui->gain->setSingleStep(1);
displaySettings();
blockApplySettings(false);
@@ -201,10 +200,14 @@ bool BladeRF2InputGui::handleMessage(const Message& message)
else if (BladeRF2Input::MsgReportGainRange::match(message))
{
const BladeRF2Input::MsgReportGainRange& cfg = (BladeRF2Input::MsgReportGainRange&) message;
- ui->gain->setMinimum(cfg.getMin());
- ui->gain->setMaximum(cfg.getMax());
- ui->gain->setSingleStep(cfg.getStep());
- ui->gain->setPageStep(cfg.getStep());
+ m_gainMin = cfg.getMin();
+ m_gainMax = cfg.getMax();
+ m_gainStep = cfg.getStep();
+ m_gainScale = cfg.getScale();
+ ui->gain->setMinimum(m_gainMin/m_gainStep);
+ ui->gain->setMaximum(m_gainMax/m_gainStep);
+ ui->gain->setPageStep(1);
+ ui->gain->setSingleStep(1);
return true;
}
@@ -327,8 +330,8 @@ void BladeRF2InputGui::displaySettings()
ui->decim->setCurrentIndex(m_settings.m_log2Decim);
ui->fcPos->setCurrentIndex((int) m_settings.m_fcPos);
ui->gainMode->setCurrentIndex(m_settings.m_gainMode);
- ui->gainText->setText(tr("%1 dB").arg(m_settings.m_globalGain));
- ui->gain->setValue(m_settings.m_globalGain);
+ ui->gainText->setText(tr("%1 dB").arg(QString::number(m_settings.m_globalGain, 'f', 2)));
+ ui->gain->setValue(getGainValue(m_settings.m_globalGain));
if (m_settings.m_gainMode == BLADERF_GAIN_MANUAL) {
ui->gain->setEnabled(true);
@@ -446,8 +449,9 @@ void BladeRF2InputGui::on_gainMode_currentIndexChanged(int index)
void BladeRF2InputGui::on_gain_valueChanged(int value)
{
- ui->gainText->setText(tr("%1 dB").arg(value));
- m_settings.m_globalGain = value;
+ float displayableGain = getGainDB(value);
+ ui->gainText->setText(tr("%1 dB").arg(QString::number(displayableGain, 'f', 2)));
+ m_settings.m_globalGain = (int) displayableGain;
sendSettings();
}
@@ -541,3 +545,19 @@ void BladeRF2InputGui::openDeviceSettingsDialog(const QPoint& p)
sendSettings();
}
+
+float BladeRF2InputGui::getGainDB(int gainValue)
+{
+ float gain = gainValue*m_gainStep*m_gainScale;
+ // qDebug("BladeRF2InputGui::getGainDB: gainValue: %d m_gainMin: %d m_gainMax: %d m_gainStep: %d m_gainScale: %f gain: %f",
+ // gainValue, m_gainMin, m_gainMax, m_gainStep, m_gainScale, gain);
+ return gain;
+}
+
+int BladeRF2InputGui::getGainValue(float gainDB)
+{
+ int gain = (gainDB/m_gainScale) / m_gainStep;
+ // qDebug("BladeRF2InputGui::getGainValue: gainDB: %f m_gainMin: %d m_gainMax: %d m_gainStep: %d m_gainScale: %f gain: %d",
+ // gainDB, m_gainMin, m_gainMax, m_gainStep, m_gainScale, gain);
+ return gain;
+}
diff --git a/plugins/samplesource/bladerf2input/bladerf2inputgui.h b/plugins/samplesource/bladerf2input/bladerf2inputgui.h
index 9db17889e..df6c60188 100644
--- a/plugins/samplesource/bladerf2input/bladerf2inputgui.h
+++ b/plugins/samplesource/bladerf2input/bladerf2inputgui.h
@@ -67,6 +67,10 @@ private:
quint64 m_deviceCenterFrequency; //!< Center frequency in device
int m_lastEngineState;
MessageQueue m_inputMessageQueue;
+ int m_gainMin;
+ int m_gainMax;
+ int m_gainStep;
+ float m_gainScale;
void displaySettings();
void displaySampleRate();
@@ -75,6 +79,8 @@ private:
void updateSampleRateAndFrequency();
void updateFrequencyLimits();
void setCenterFrequencySetting(uint64_t kHzValue);
+ float getGainDB(int gainValue);
+ int getGainValue(float gainDB);
void blockApplySettings(bool block);
private slots:
diff --git a/plugins/samplesource/bladerf2input/readme.md b/plugins/samplesource/bladerf2input/readme.md
index 0c8374e2a..99b66e1a1 100644
--- a/plugins/samplesource/bladerf2input/readme.md
+++ b/plugins/samplesource/bladerf2input/readme.md
@@ -8,11 +8,6 @@ This input sample source plugin gets its samples from a [BladeRF 2.0 micro devic
The plugin will be built only if the [BladeRF host library](https://github.com/Nuand/bladeRF) is installed in your system. If you build it from source and install it in a custom location say: `/opt/install/libbladeRF` you will have to add `-DBLADERF_INCLUDE_DIR=/opt/install/libbladeRF` to the cmake command line.
-Note that libbladeRF v2 with git tag 2018.10-rc1 should be used (official release) thus:
-
- - The FX3 firmware version should be v2.3.1
- - The FPGA image version should be v0.9.0
-
The FPGA .rbf file should be copied to the folder where the `sdrangel` binary resides. You can download FPGA images from [here](https://www.nuand.com/fpga_images/)
The BladeRF Host library is also provided by many Linux distributions (check its version) and is built in the SDRangel binary releases.