Hi all,
I recently bought an Bladerf x40 with GPIO expansion board, and started to see what can I do with it.
On the other hand I have a Hackrf One and when plugged to my usb 3 port, can display a waterfall and start working.
But when I plug the bladerf, nothing happens even though it is recongized by gqrx in the device selection window.
What may I doing wrong?
Thanks in advance!
Cannot see waterfall
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- Posts: 201
- Joined: Thu Jun 18, 2015 6:10 pm
Re: Cannot see waterfall
Is the FPGA loaded? Does gqrx print any errors? Does it show up in dmesg? Can you give us a version printout using the bladeRF-cli -e "version" ?
Electrical Engineer
Nuand, LLC.
Nuand, LLC.
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- Posts: 7
- Joined: Mon Jul 16, 2018 4:52 pm
Re: Cannot see waterfall
Thank you, the FPGA is loaded, and here is the output of the commands you suggested:
bladerf
gqrx
dmesg
Thank you again,
bladerf
Code: Select all
sdr@sdrtin:~$ bladeRF-cli -i
bladeRF> version
bladeRF-cli version: 1.5.0-0.2016.06-2
libbladeRF version: 1.8.0-0.2016.06-2
Firmware version: 1.9.1
FPGA version: 0.6.0
bladeRF> info
Serial #: 6a5c77f482ba7d610f008ce1868aaeb9
VCTCXO DAC calibration: 0x8d59
FPGA size: 40 KLE
FPGA loaded: yes
USB bus: 2
USB address: 21
USB speed: Hi-Speed
Backend: libusb
Instance: 0
Code: Select all
sdr@sdrtin:~$ gqrx
linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown
qt5ct: using qt5ct plugin
Controlport disabled
No user supplied config file. Using "default.conf"
qt5ct: D-Bus global menu: no
gr-osmosdr 0.1.4 (0.1.4) gnuradio 3.7.11
built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf bladerf rfspace airspy airspyhf soapy redpitaya freesrp
FM demod gain: 3.05577
Resampling audio 96000 -> 48000
IQ DCR alpha: 1.04166e-05
Using audio backend: auto
BookmarksFile is /home/sdr/.config/gqrx/bookmarks.csv
getDeviceList : Available input devices:
0 : "nuand bladeRF SN 6a5c...aeb9"
1 : "RFSPACE SDR-IQ Receiver"
2 : "RFSPACE SDR-IP Receiver"
3 : "RFSPACE NetSDR Receiver"
4 : "RFSPACE Cloud-IQ Receiver"
5 : "RTL-SDR Spectrum Server"
6 : "Red Pitaya Transceiver Server"
7 : "Complex Sampled (IQ) File"
Loading configuration from: "default.conf"
Configuration file: "/home/sdr/.config/gqrx/default.conf"
gr-osmosdr 0.1.4 (0.1.4) gnuradio 3.7.11
built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf bladerf rfspace airspy airspyhf soapy redpitaya freesrp
Opening nuand bladeRF with device identifier string: "*:instance=0"
Serial # 6a5c...aeb9
FW v1.9.1 FPGA v0.6.0
IQ DCR samp_rate: 160000
IQ DCR alpha: 6.24996e-06
Changing NB_RX quad rate: 96000 -> 160000
New antenna selected: "RX"
********************
Gain name: "LNA"
min: 0
max: 6
step: 3
Gain name: "VGA1"
min: 5
max: 30
step: 1
Gain name: "VGA2"
min: 0
max: 30
step: 3
********************
No change in output device:
old:
new:
IQ DCR samp_rate: 160000
IQ DCR alpha: 6.24996e-06
Requested sample rate: 160000
Actual sample rate : "160000.000000"
New FFT rate: 25 Hz
[INFO @ bladerf.c:791] Clamping bandwidth to 1500000Hz
Requested bandwidth: 0 Hz
Actual bandwidth : 1.5e+06 Hz
setFreqCorr : 0 ppm
New LNB LO: 0 Hz
Failed to set out of bound frequency: 1e+12
Failed to set out of bound frequency: 1.445e+08
New mode index: 5
FM demod gain: 0.509296
Filter preset for mode 5 LO: -80000 HI: 80000
Generating taps for new filter LO:-80000 HI:80000 TW:32000 Taps: 19
setFftRate to "50 fps"
New FFT rate: 50 Hz
New FFT rate: 50 Hz
New FFT rate: 50 Hz
New FFT rate: 50 Hz
setFftSize to "65536"
Changing baseband FFT size to 65536
New FFT rate: 50 Hz
New FFT rate: 50 Hz
Generating taps for new filter LO:-114000 HI:114000 TW:48000 Taps: 13
Code: Select all
sdr@sdrtin:~$ dmesg | grep blade
[ 3765.955320] usb 2-2: Product: bladeRF
[ 4892.680983] usb 2-2: Product: bladeRF
Thank you again,
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- Posts: 201
- Joined: Thu Jun 18, 2015 6:10 pm
Re: Cannot see waterfall
Couple things I noticed. First is you're on a USB 2 port, so your sample rate needs to be limited to less than about 8 MSPS. The second is, double check the settings in the gqrx device configuration window, it looks like there might be some issues there. Disable decimation, set the sample rate to 5 MSPS and bandwidth to 3 MHz or so. Then click the "play" button in gqrx and you should see a waterfall. If you still don't see anything, please attach a screen shot of the gqrx device configuration.
What are the 3 LEDs on the board doing while the gqrx waterfall is supposedly running?
What are the 3 LEDs on the board doing while the gqrx waterfall is supposedly running?
Electrical Engineer
Nuand, LLC.
Nuand, LLC.
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- Posts: 7
- Joined: Mon Jul 16, 2018 4:52 pm
Re: Cannot see waterfall
Thank you, I was blind. It was indeed a configuration issue. My bad!
I connected the board to a USB 3 port and set up gqrx as you suggested.
Now I can start working with bladeRF and compiling Nuand branches of gqrx and gr-osmosdr. I'm happy and very thankful!
I connected the board to a USB 3 port and set up gqrx as you suggested.
Now I can start working with bladeRF and compiling Nuand branches of gqrx and gr-osmosdr. I'm happy and very thankful!
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- Posts: 201
- Joined: Thu Jun 18, 2015 6:10 pm