summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xgnuradio-examples/python/digital/benchmark_qt_loopback.py31
1 files changed, 17 insertions, 14 deletions
diff --git a/gnuradio-examples/python/digital/benchmark_qt_loopback.py b/gnuradio-examples/python/digital/benchmark_qt_loopback.py
index 35cc2e376..0ae0e4e51 100755
--- a/gnuradio-examples/python/digital/benchmark_qt_loopback.py
+++ b/gnuradio-examples/python/digital/benchmark_qt_loopback.py
@@ -167,7 +167,10 @@ class dialog_box(QtGui.QMainWindow):
# Pull these globals in from the main thread
global n_rcvd, n_right, pktno
- per = float(n_rcvd - n_right)/float(pktno)
+ if(pktno > 0):
+ per = float(n_rcvd - n_right)/float(pktno)
+ else:
+ per = 0
self.gui.pktsRcvdEdit.setText(QtCore.QString("%1").arg(n_rcvd))
self.gui.pktsCorrectEdit.setText(QtCore.QString("%1").arg(n_right))
self.gui.perEdit.setText(QtCore.QString("%1").arg(per))
@@ -186,6 +189,9 @@ class my_top_block(gr.top_block):
self._sample_rate = options.sample_rate
+ if(options.samples_per_symbol is None):
+ options.samples_per_symbol = 2
+
channelon = True;
self.gui_on = options.gui
@@ -202,7 +208,7 @@ class my_top_block(gr.top_block):
self.rxpath = receive_path(demod_class, rx_callback, options)
# FIXME: do better exposure to lower issues for control
- self._timing_gain_alpha = self.rxpath.packet_receiver._demodulator._timing_alpha
+ self._timing_gain_alpha = self.rxpath.packet_receiver._demodulator._mm_gain_mu
self._alpha = self.rxpath.packet_receiver._demodulator._costas_alpha
if channelon:
@@ -229,10 +235,10 @@ class my_top_block(gr.top_block):
fftsize = 2048
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
- 0, 1,
+ 0, self._sample_rate,
"Tx", True, True, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
- 0, 1,
+ 0, self._sample_rate,
"Rx", True, True, False, True, True)
self.snk_tx.set_frequency_axis(-80, 0)
@@ -240,14 +246,11 @@ class my_top_block(gr.top_block):
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
- self.freq_recov = self.rxpath.packet_receiver._demodulator.clock_recov
- self.time_recov = self.rxpath.packet_receiver._demodulator.time_recov
- self.freq_recov.set_alpha(0)
- self.freq_recov.set_beta(0)
- self.time_recov.set_alpha(2)
- self.time_recov.set_beta(0.02)
+ self.receiver = self.rxpath.packet_receiver._demodulator.receiver
+ self.receiver.set_alpha(2)
+ self.receiver.set_beta(0.02)
self.connect(self.channel, self.snk_tx)
- self.connect(self.time_recov, self.snk_rx)
+ self.connect(self.receiver, self.snk_rx)
pyTxQt = self.snk_tx.pyqwidget()
pyTx = sip.wrapinstance(pyTxQt, QtGui.QWidget)
@@ -312,7 +315,7 @@ class my_top_block(gr.top_block):
def set_rx_timing_gain_alpha(self, gain):
self._timing_gain_alpha = gain
- self.time_recov.set_gain(self._timing_gain_alpha)
+ self.receiver.set_gain_mu(self._timing_gain_alpha)
def rx_alpha(self):
return self._alpha
@@ -323,8 +326,8 @@ class my_top_block(gr.top_block):
def set_rx_alpha(self, alpha):
self._alpha = alpha
self.beta = .25 * self._alpha * self._alpha
- #self.freq_recov.set_alpha(self._alpha)
- #self.freq_recov.set_beta(self.beta)
+ self.receiver.set_alpha(self._alpha)
+ self.receiver.set_beta(self.beta)