UHD + USRP2, not working with RFX400

Hi,
I was able to install the UHD on my host and as well the firmware on the
SSD,
I changed the USRP2 ip address to 192.168.0.2.

The uhd_find_devices correctly finds the device:

$ uhd_find_devices
linux; GNU C++ version 4.4.3; Boost_104000;
UHD_002.20110131232513.d46058d


– UHD Device 0

Device Address:
type: usrp2
addr: 192.168.0.2
name:
serial: 997

so far so well.

Launching the example ./tx_waveforms --freq 430000000 --duration 60000
however I do not get the expected result (I don’t see the beacon on my
frequency
analyzer), using a WBX all seems working fine.

Using RFX400:

./tx_waveforms --freq 430000000 --duration 60000
linux; GNU C++ version 4.4.3; Boost_104000;
UHD_002.20110131232513.d46058d

Creating the usrp device with: …
Current recv sock buff size: 50000000 bytes
mboard0 MIMO master
Using Device: Single USRP:
Device: USRP2/N Series device
Mboard: USRP2-REV4 mboard
RX DSP: USRP2-REV4 ddc0
RX Channel: 0
RX Dboard: USRP2-REV4 dboard (rx unit)
RX Subdev: RFX400 (0x0024)
TX DSP: USRP2-REV4 duc0
TX Channel: 0
TX Dboard: USRP2-REV4 dboard (tx unit)
TX Subdev: RFX400 (0x0028)

Setting TX Rate: 1.500000 Msps…

Warning:
The hardware does not support the requested TX sample rate:
Target sample rate: 1.500000 MSps
Actual sample rate: 1.492537 MSps
Actual TX Rate: 1.492537 Msps…

Setting TX Freq: 430.000000 Mhz…
Actual TX Freq: 430.000000 Mhz…

Setting TX Gain: 0.000000 dB…
Actual TX Gain: 0.000000 dB…

and this using the WBX:

$ ./tx_waveforms --freq 430000000 --duration 60000
linux; GNU C++ version 4.4.3; Boost_104000;
UHD_002.20110131232513.d46058d

Creating the usrp device with: …
Current recv sock buff size: 50000000 bytes
mboard0 MIMO master
Using Device: Single USRP:
Device: USRP2/N Series device
Mboard: USRP2-REV4 mboard
RX DSP: USRP2-REV4 ddc0
RX Channel: 0
RX Dboard: USRP2-REV4 dboard (rx unit)
RX Subdev: WBX (0x0053)
TX DSP: USRP2-REV4 duc0
TX Channel: 0
TX Dboard: USRP2-REV4 dboard (tx unit)
TX Subdev: WBX (0x0052)

Setting TX Rate: 1.500000 Msps…

Warning:
The hardware does not support the requested TX sample rate:
Target sample rate: 1.500000 MSps
Actual sample rate: 1.492537 MSps
Actual TX Rate: 1.492537 Msps…

Setting TX Freq: 430.000000 Mhz…
Actual TX Freq: 430.000000 Mhz…

Setting TX Gain: 0.000000 dB…
Actual TX Gain: 0.000000 dB…

Has anyone got same issue using UHD + USRP2( RFX400) ?

Regards
Gaetano M.


This forum is not affiliated to the Ruby language, Ruby on Rails framework, nor any Ruby applications discussed here.

| Privacy Policy | Terms of Service | Remote Ruby Jobs