actually try this one.
I think I had the tx and rx mixed up. Neither still work though.
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Rfnoc Sin Radio E310
# Generated: Thu Sep 21 14:12:08 2017
##################################################
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import uhd
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import ettus
class RFNoc_Radio_Radio_e310(gr.top_block):
def __init__(self):
gr.top_block.__init__(self, "Rfnoc Radio Radio E310")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2e6
self.device3 = variable_uhd_device3_0 =
ettus.device3(uhd.device_addr_t( ",".join(('type=e3x0',
"fpga=/home/root/e300_siggen_ddc.bit")) ))
self.up_rate = up_rate = 12e6
self.freq = freq = samp_rate/10
##################################################
# Blocks
##################################################
self.uhd_rfnoc_streamer_radio_0 = ettus.rfnoc_radio(
self.device3,
uhd.stream_args( # Tx Stream Args
cpu_format="fc32",
otw_format="sc16",
args='',
),
uhd.stream_args( # Rx Stream Args
cpu_format="fc32",
otw_format="sc16",
args="", # empty
),
0, -1
)
self.uhd_rfnoc_streamer_radio_0.set_rate(up_rate)
for i in xrange(1):
self.uhd_rfnoc_streamer_radio_0.set_tx_freq(1.0e9, i)
self.uhd_rfnoc_streamer_radio_0.set_tx_gain(20, i)
self.uhd_rfnoc_streamer_radio_0.set_tx_dc_offset(True, i)
self.uhd_rfnoc_streamer_radio_0.set_tx_antenna("TX/RX", 0)
self.uhd_rfnoc_streamer_radio_1 = ettus.rfnoc_radio(
self.device3,
uhd.stream_args( # Tx Stream Args
cpu_format="fc32",
otw_format="sc16",
args="", # empty
),
uhd.stream_args( # Rx Stream Args
cpu_format="fc32",
otw_format="sc16",
args='',
),
0, -1
)
self.uhd_rfnoc_streamer_radio_1.set_rate(samp_rate)
for i in xrange(1):
self.uhd_rfnoc_streamer_radio_1.set_rx_freq(2.4e9, i)
self.uhd_rfnoc_streamer_radio_1.set_rx_gain(40, i)
self.uhd_rfnoc_streamer_radio_1.set_rx_dc_offset(True, i)
self.uhd_rfnoc_streamer_radio_1.set_rx_bandwidth(56e6, 0)
self.uhd_rfnoc_streamer_radio_1.set_rx_antenna("RX2", 0)
##################################################
# Connections
##################################################
self.device3.connect(self.uhd_rfnoc_streamer_radio_1.get_block_id(), 0,
self.uhd_rfnoc_streamer_radio_0.get_block_id(), 0)
stream_cmd=uhd.stream_cmd_t(uhd.stream_cmd_t.STREAM_MODE_START_CONTINUOUS)
#self.uhd_rfnoc_streamer_radio_0.issue_stream_cmd(stream_cmd)
self.uhd_rfnoc_streamer_radio_1.issue_stream_cmd(stream_cmd)
self.uhd_rfnoc_streamer_radio_0.set_tx_streamer(True,0)
self.uhd_rfnoc_streamer_radio_1.set_rx_streamer(True,0)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_freq(self.samp_rate/10)
def get_variable_uhd_device3_0(self):
return self.variable_uhd_device3_0
def set_variable_uhd_device3_0(self, variable_uhd_device3_0):
self.variable_uhd_device3_0 = variable_uhd_device3_0
def get_up_rate(self):
return self.up_rate
def set_up_rate(self, up_rate):
self.up_rate = up_rate
self.uhd_rfnoc_streamer_radio_0.set_rate(self.up_rate)
def main(top_block_cls=RFNoc_Radio_Radio_e310, options=None):
tb = top_block_cls()
#tb.uhd_rfnoc_streamer_radio_0.set_tx_streamer(True,0)
#tb.uhd_rfnoc_streamer_radio_1.set_rx_streamer(True,0)
tb.start()
#tb.uhd_rfnoc_streamer_radio_0.set_tx_streamer(True,0)
#tb.uhd_rfnoc_streamer_radio_1.set_rx_streamer(True,0)
try:
raw_input('Press Enter to quit: ')
except EOFError:
pass
tb.stop()
tb.wait()
if __name__ == '__main__':
main()
On Thu, Dec 14, 2017 at 11:41 AM, Nick Foster <bistrom...@gmail.com> wrote:
> Thanks. At first blush this looks like it should work to me. I'll try it
> out here.
>
> Nick
>
> On Thu, Dec 14, 2017 at 11:37 AM Jack Ziegler <jacka...@gmail.com> wrote:
>
>> *Trying to do loopback with a rfnoc rx radio connect to a rfnoc tx
>> radio. (running at 56e6 Msps with the E310/E312). This is with no host
>> connections
>> *third gen E310
>> * [UHDlinux; GNU C++ version 4.9.2; Boost_105700;
>> UHD_4.0.0.rfnoc-devel-369-g1908672f]
>> , with modifications from the "stupid rfnoc tricks webpage"
>> *python is listed below, note the typed in changes (extra from the grc
>> generation) as reccomended by the "stupid rfnoc tricks webpage"
>>
>> stream_cmd = uhd.stream_cmd_t(uhd.stream_cmd_t.STREAM_MODE_START_
>> CONTINUOUS)
>> self.uhd_rfnoc_streamer_radio_0_0.issue_stream_cmd(stream_cmd)
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_streamer(True,0)
>>
>> *expect to see both the rx2 and trx lights on and the signal being
>> transmitted
>> *The flowgraph runs with output in the terminal as one would expect, but
>> there are no lights on the rx2 and trx and no signal transmitted
>>
>> Also note that I have tried rebuilding the bitstream file with this
>> change making .at_reset(1'b1) now 1'b0
>>
>> setting_reg #(.my_addr(SR_RX_CTRL_OUTPUT_FORMAT), .width(1),
>> .at_reset(1'b0)) sr_output_format (
>> .clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr),
>> .in(set_data),.out(use_timestamps),.changed());
>>
>> and get the same result (otherwise I don't specify the fpga image and use
>> the default one)
>>
>> this is the output
>> "
>> [INFO] [UHDlinux; GNU C++ version 4.9.2; Boost_105700;
>> UHD_4.0.0.rfnoc-devel-369-g1908672f]
>> [INFO] [E300] Loading FPGA image: /home/root/e300_thres_0time.bit...
>> [INFO] [E300] FPGA image loaded
>> [INFO] [E300] Initializing core control (global registers)...
>>
>> [INFO] [E300] Performing register loopback test...
>> [INFO] [E300] Register loopback test passed
>> [INFO] [RFNOC RADIO] Register loopback test passed
>> [INFO] [RFNOC RADIO] Register loopback test passed
>> [INFO] [AD936X] Performing CODEC loopback test...
>> [INFO] [AD936X] CODEC loopback test passed
>> [INFO] [AD936X] Performing CODEC loopback test...
>> [INFO] [AD936X] CODEC loopback test passed
>> [INFO] [CORES] Performing timer loopback test...
>> [INFO] [CORES] Timer loopback test passed
>> [INFO] [CORES] Performing timer loopback test...
>> [INFO] [CORES] Timer loopback test passed
>> [INFO] [CORES] Performing timer loopback test...
>> [INFO] [CORES] Timer loopback test passed
>> [INFO] [RFNOC] Assuming max packet size for 0/Radio_0
>>
>> "
>> And the lights on e310 don't turn on....
>>
>>
>>
>>
>> Thanks
>>
>> Jack
>>
>> #!/usr/bin/env python2
>> # -*- coding: utf-8 -*-
>> ##################################################
>> # GNU Radio Python Flow Graph
>> # Title: Radioradioonly
>> # Generated: Tue Dec 5 13:40:36 2017
>> ##################################################
>>
>> if __name__ == '__main__':
>> import ctypes
>> import sys
>> if sys.platform.startswith('linux'):
>> try:
>> x11 = ctypes.cdll.LoadLibrary('libX11.so')
>> x11.XInitThreads()
>> except:
>> print "Warning: failed to XInitThreads()"
>>
>> from PyQt4 import Qt
>> from gnuradio import eng_notation
>> from gnuradio import gr
>> from gnuradio import uhd
>> from gnuradio.eng_option import eng_option
>> from gnuradio.filter import firdes
>> from gnuradio.qtgui import Range, RangeWidget
>> from optparse import OptionParser
>> import ettus
>> import sys
>> from gnuradio import qtgui
>>
>>
>> class radioradioonly(gr.top_block, Qt.QWidget):
>>
>> def __init__(self):
>> gr.top_block.__init__(self, "Radioradioonly")
>> Qt.QWidget.__init__(self)
>> self.setWindowTitle("Radioradioonly")
>> qtgui.util.check_set_qss()
>> try:
>> self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
>> except:
>> pass
>> self.top_scroll_layout = Qt.QVBoxLayout()
>> self.setLayout(self.top_scroll_layout)
>> self.top_scroll = Qt.QScrollArea()
>> self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
>> self.top_scroll_layout.addWidget(self.top_scroll)
>> self.top_scroll.setWidgetResizable(True)
>> self.top_widget = Qt.QWidget()
>> self.top_scroll.setWidget(self.top_widget)
>> self.top_layout = Qt.QVBoxLayout(self.top_widget)
>> self.top_grid_layout = Qt.QGridLayout()
>> self.top_layout.addLayout(self.top_grid_layout)
>>
>> self.settings = Qt.QSettings("GNU Radio", "radioradioonly")
>> self.restoreGeometry(self.settings.value("geometry").
>> toByteArray())
>>
>>
>> ##################################################
>> # Variables
>> ##################################################
>> self.device3 = variable_uhd_device3_0 =
>> ettus.device3(uhd.device_addr_t( ",".join(('',
>> "fpga=/home/root/e300_thres_0time.bit")) ))
>> self.txgain = txgain = 40
>> self.samp_rate = samp_rate = 8e6
>> self.rxgain = rxgain = 80
>> self.center_f = center_f = 2.4e9
>>
>> ##################################################
>> # Blocks
>> ##################################################
>> self._rxgain_range = Range(1., 85, .0001, 40, 200)
>> self._rxgain_win = RangeWidget(self._rxgain_range,
>> self.set_rxgain, 'rxgain', "counter_slider", float)
>> self.top_layout.addWidget(self._rxgain_win)
>> self._center_f_range = Range(2.4e9, 2.55e9, 1e4, 2.4e9, 200)
>> self._center_f_win = RangeWidget(self._center_f_range,
>> self.set_center_f, 'center_f', "counter_slider", float)
>> self.top_layout.addWidget(self._center_f_win)
>> self.uhd_rfnoc_streamer_radio_0_0 = ettus.rfnoc_radio(
>> self.device3,
>> uhd.stream_args( # Tx Stream Args
>> cpu_format="fc32",
>> otw_format="sc16",
>> args='',
>> ),
>> uhd.stream_args( # Rx Stream Args
>> cpu_format="fc32",
>> otw_format="sc16",
>> args="", # empty
>> ),
>> 0, -1
>> )
>> self.uhd_rfnoc_streamer_radio_0_0.set_rate(samp_rate)
>> for i in xrange(1):
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_freq(center_f, i)
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_gain(rxgain, i)
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_dc_offset(True, i)
>>
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_antenna("TX/RX", 0)
>>
>> self.uhd_rfnoc_streamer_radio_0 = ettus.rfnoc_radio(
>> self.device3,
>> uhd.stream_args( # Tx Stream Args
>> cpu_format="fc32",
>> otw_format="sc16",
>> args="", # empty
>> ),
>> uhd.stream_args( # Rx Stream Args
>> cpu_format="fc32",
>> otw_format="sc16",
>> args='',
>> ),
>> 0, -1
>> )
>> self.uhd_rfnoc_streamer_radio_0.set_rate(samp_rate)
>> for i in xrange(1):
>> self.uhd_rfnoc_streamer_radio_0.set_rx_freq(2.4e9, i)
>> self.uhd_rfnoc_streamer_radio_0.set_rx_gain(rxgain, i)
>> self.uhd_rfnoc_streamer_radio_0.set_rx_dc_offset(True, i)
>>
>> self.uhd_rfnoc_streamer_radio_0.set_rx_bandwidth(56e6, 0)
>>
>> self.uhd_rfnoc_streamer_radio_0.set_rx_antenna("RX2", 0)
>>
>> self._txgain_range = Range(1., 85, .0001, 40, 200)
>> self._txgain_win = RangeWidget(self._txgain_range,
>> self.set_txgain, 'txgain', "counter_slider", float)
>> self.top_layout.addWidget(self._txgain_win)
>> self._thres_range = Range(.0001, 33000., .0001, 1., 200)
>> self.top_layout.addWidget(self._thres_win)
>>
>>
>>
>> ##################################################
>> # Connections
>> ##################################################
>> self.device3.connect(self.uhd_rfnoc_streamer_radio_0.get_block_id(),
>> 0, self.uhd_rfnoc_streamer_radio_0_0.get_block_id(), 0)
>>
>> stream_cmd = uhd.stream_cmd_t(uhd.stream_cmd_t.STREAM_MODE_START_
>> CONTINUOUS)
>> self.uhd_rfnoc_streamer_radio_0_0.issue_stream_cmd(stream_cmd)
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_streamer(True,0)
>>
>>
>> def closeEvent(self, event):
>> self.settings = Qt.QSettings("GNU Radio", "radioradioonly")
>> self.settings.setValue("geometry", self.saveGeometry())
>> event.accept()
>>
>> def get_variable_uhd_device3_0(self):
>> return self.variable_uhd_device3_0
>>
>> def set_variable_uhd_device3_0(self, variable_uhd_device3_0):
>> self.variable_uhd_device3_0 = variable_uhd_device3_0
>>
>> def get_txgain(self):
>> return self.txgain
>>
>> def set_txgain(self, txgain):
>> self.txgain = txgain
>>
>> def get_thres(self):
>> return self.thres
>>
>> def set_thres(self, thres):
>> self.thres = thres
>>
>> def get_samp_rate(self):
>> return self.samp_rate
>>
>> def set_samp_rate(self, samp_rate):
>> self.samp_rate = samp_rate
>> self.uhd_rfnoc_streamer_radio_0_0.set_rate(self.samp_rate)
>> self.uhd_rfnoc_streamer_radio_0.set_rate(self.samp_rate)
>>
>> def get_rxgain(self):
>> return self.rxgain
>>
>> def set_rxgain(self, rxgain):
>> self.rxgain = rxgain
>> for i in xrange(1):
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_gain(self.rxgain, i)
>> for i in xrange(1):
>> self.uhd_rfnoc_streamer_radio_0.set_rx_gain(self.rxgain, i)
>>
>> def get_center_f(self):
>> return self.center_f
>>
>> def set_center_f(self, center_f):
>> self.center_f = center_f
>> for i in xrange(1):
>> self.uhd_rfnoc_streamer_radio_0_0.set_tx_freq(self.center_f,
>> i)
>>
>>
>> def main(top_block_cls=radioradioonly, options=None):
>>
>> from distutils.version import StrictVersion
>> if StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0"):
>> style = gr.prefs().get_string('qtgui', 'style', 'raster')
>> Qt.QApplication.setGraphicsSystem(style)
>> qapp = Qt.QApplication(sys.argv)
>>
>> tb = top_block_cls()
>> tb.start()
>> tb.show()
>>
>> def quitting():
>> tb.stop()
>> tb.wait()
>> qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
>> qapp.exec_()
>>
>>
>> if __name__ == '__main__':
>> main()
>>
>> On Thu, Nov 30, 2017 at 5:23 PM, Nick Foster <bistrom...@gmail.com>
>> wrote:
>>
>>> You need to help us before we can help you. Can you tell me:
>>>
>>> * What you're actually trying to do
>>> * Your hardware setup
>>> * Your UHD version
>>> * Your flowgraph
>>> * The results you expect
>>> * The results you actually observe
>>>
>>> Then maybe we can help.
>>>
>>> Nick
>>>
>>> On Thu, Nov 30, 2017 at 4:44 PM Jack Ziegler <jacka...@gmail.com> wrote:
>>>
>>>> I tried doing the changes in uhd, and gr-ettus. I also tried changing
>>>> that register value to 0 for the fpga and making a new e300.bit file.
>>>> Any recommendations on how to troubleshoot? Also as I referenced, I'm
>>>> doing this on a new e312 usrp.
>>>>
>>>> Thanks,
>>>> Jack
>>>>
>>>> On Wed, Nov 29, 2017 at 10:36 PM, Nick Foster <bistrom...@gmail.com>
>>>> wrote:
>>>>
>>>>> It should still apply. Is there something specific you're having
>>>>> trouble with?
>>>>>
>>>>> On Wed, Nov 29, 2017, 10:06 PM Jack Ziegler via USRP-users <
>>>>> usrp-users@lists.ettus.com> wrote:
>>>>>
>>>>>> Has anyone recently tried rfnoc loopback?
>>>>>> I tried following these directions: https://corvid.io/
>>>>>> 2017/04/22/stupid-rfnoc-tricks-loopback/
>>>>>> they are dated from last April. Not sure if I missed a step or maybe
>>>>>> there is something new in gr-ettus and uhd-devel?
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Jack Ziegler
>>>>>> _______________________________________________
>>>>>> USRP-users mailing list
>>>>>> USRP-users@lists.ettus.com
>>>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>>>>>
>>>>>
>>>>
>>
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