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Re: [Discuss-gnuradio] OSX gnuradio/uhd issue


From: update lee
Subject: Re: [Discuss-gnuradio] OSX gnuradio/uhd issue
Date: Wed, 26 Jan 2011 22:22:49 -0700

macbook-chris:gnuradio updatelee$ uhd_usrp_probe
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d

mboard0 MIMO master
  _____________________________________________________
 /
|       Device: USRP2/N Series device
|     _____________________________________________________
|    /
|   |       Mboard: USRP-N210 mboard
|   |   rev: 2561
|   |   mac-addr: a0:36:fa:25:30:31
|   |   ip-addr: 10.0.1.175
|   |   serial: E3R10Z1UP
|   |     _____________________________________________________
|   |    /
|   |   |       RX DSP: USRP-N210 ddc0
|   |   |   Codec Rate: 100.000000 Msps
|   |     _____________________________________________________
|   |    /
|   |   |       TX DSP: USRP-N210 duc0
|   |   |   Codec Rate: 100.000000 Msps
|   |     _____________________________________________________
|   |    /
|   |   |       RX Dboard: USRP-N210 dboard (rx unit)
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Subdev: Basic RX (0x0001) - AB
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: C
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Subdev: Basic RX (0x0001) - BA
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: c
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Subdev: Basic RX (0x0001) - A
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: R
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Subdev: Basic RX (0x0001) - B
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: r
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Codec: USRP-N210 adc - ads62p44
|   |   |   |   Gain range digital: 0.0 to 6.0 step 0.5 dB
|   |   |   |   Gain range digital-fine: 0.0 to 0.5 step 0.1 dB
|   |     _____________________________________________________
|   |    /
|   |   |       TX Dboard: USRP-N210 dboard (tx unit)
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Subdev: Basic TX (0x0000) - AB
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: C
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Subdev: Basic TX (0x0000) - BA
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: c
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Subdev: Basic TX (0x0000) - A
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: R
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Subdev: Basic TX (0x0000) - B
|   |   |   |   Antennas:
|   |   |   |   Freq range: -250.000 to 250.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: r
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Codec: USRP-N210 dac - ad9777
|   |   |   |   Gain Elements: None

macbook-chris:gnuradio updatelee$

macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d


Creating the usrp device with: ...
mboard0 MIMO master
Using Device: Single USRP:
  Device: USRP2/N Series device
  Mboard: USRP-N210 mboard
  RX DSP: USRP-N210 ddc0
  RX Channel: 0
    RX Dboard: USRP-N210 dboard (rx unit)
    RX Subdev: Basic RX (0x0001) - AB
  TX DSP: USRP-N210 duc0
  TX Channel: 0
    TX Dboard: USRP-N210 dboard (tx unit)
    TX Subdev: Basic TX (0x0000) - AB

Setting RX Rate: 6.250000 Msps...
Actual RX Rate: 6.250000 Msps...

Setting RX Freq: 0.000000 Mhz...
Actual RX Freq: 0.000000 Mhz...

Setting device timestamp to 0...

Begin streaming 1000 samples, 3.000000 seconds in the future...
Got packet: 362 samples, 3 full secs, 0.000000 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...

Done!

macbook-chris:gnuradio updatelee$

under 5ghz wireless,

macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d


Creating the usrp device with: ...
mboard0 MIMO master
Using Device: Single USRP:
  Device: USRP2/N Series device
  Mboard: USRP-N210 mboard
  RX DSP: USRP-N210 ddc0
  RX Channel: 0
    RX Dboard: USRP-N210 dboard (rx unit)
    RX Subdev: Basic RX (0x0001) - AB
  TX DSP: USRP-N210 duc0
  TX Channel: 0
    TX Dboard: USRP-N210 dboard (tx unit)
    TX Subdev: Basic TX (0x0000) - AB

Setting RX Rate: 6.250000 Msps...
Actual RX Rate: 6.250000 Msps...

Setting RX Freq: 0.000000 Mhz...
Actual RX Freq: 0.000000 Mhz...

Setting device timestamp to 0...

Begin streaming 1000 samples, 3.000000 seconds in the future...
Got packet: 362 samples, 3 full secs, 0.000000 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...

Done!

macbook-chris:gnuradio updatelee$

under 1000mbit

macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d


Creating the usrp device with: ...
mboard0 MIMO master
Using Device: Single USRP:
  Device: USRP2/N Series device
  Mboard: USRP-N210 mboard
  RX DSP: USRP-N210 ddc0
  RX Channel: 0
    RX Dboard: USRP-N210 dboard (rx unit)
    RX Subdev: Basic RX (0x0001) - AB
  TX DSP: USRP-N210 duc0
  TX Channel: 0
    TX Dboard: USRP-N210 dboard (tx unit)
    TX Subdev: Basic TX (0x0000) - AB

Setting RX Rate: 6.250000 Msps...
Actual RX Rate: 6.250000 Msps...

Setting RX Freq: 0.000000 Mhz...
Actual RX Freq: 0.000000 Mhz...

Setting device timestamp to 0...

Begin streaming 1000 samples, 3.000000 seconds in the future...
Got packet: 362 samples, 3 full secs, 0.000000 frac secs
Got packet: 362 samples, 3 full secs, 0.000058 frac secs
Got packet: 276 samples, 3 full secs, 0.000116 frac secs

Done!

macbook-chris:gnuradio updatelee$

Now Im not surprised as I could never get 6mbps over wireless, I used todo 2mbps fine, i could push it to 2.5 and be fairly reliable, the odd underrun, never 3 though, defn never 6

So I decided to lower the rate to give you some examples, they werent what I expected, it actually did worse

over 1000mbit

macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples --rate 1923077
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d


Creating the usrp device with: ...
mboard0 MIMO master
Using Device: Single USRP:
  Device: USRP2/N Series device
  Mboard: USRP-N210 mboard
  RX DSP: USRP-N210 ddc0
  RX Channel: 0
    RX Dboard: USRP-N210 dboard (rx unit)
    RX Subdev: Basic RX (0x0001) - AB
  TX DSP: USRP-N210 duc0
  TX Channel: 0
    TX Dboard: USRP-N210 dboard (tx unit)
    TX Subdev: Basic TX (0x0000) - AB

Setting RX Rate: 1.923077 Msps...
Actual RX Rate: 1.923077 Msps...

Setting RX Freq: 0.000000 Mhz...
Actual RX Freq: 0.000000 Mhz...

Setting device timestamp to 0...

Begin streaming 1000 samples, 3.000000 seconds in the future...
Got packet: 362 samples, 3 full secs, 0.000001 frac secs
Got packet: 362 samples, 3 full secs, 0.000189 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...

Done!

over 5ghz wireless-N

macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples --rate 1923077
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d


Creating the usrp device with: ...
mboard0 MIMO master
Using Device: Single USRP:
  Device: USRP2/N Series device
  Mboard: USRP-N210 mboard
  RX DSP: USRP-N210 ddc0
  RX Channel: 0
    RX Dboard: USRP-N210 dboard (rx unit)
    RX Subdev: Basic RX (0x0001) - AB
  TX DSP: USRP-N210 duc0
  TX Channel: 0
    TX Dboard: USRP-N210 dboard (tx unit)
    TX Subdev: Basic TX (0x0000) - AB

Setting RX Rate: 1.923077 Msps...
Actual RX Rate: 1.923077 Msps...

Setting RX Freq: 0.000000 Mhz...
Actual RX Freq: 0.000000 Mhz...

Setting device timestamp to 0...

Begin streaming 1000 samples, 3.000000 seconds in the future...
Got packet: 362 samples, 3 full secs, 0.000001 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...

Done!


Chris Lee
VE6UDL



>> UHD source block got error code 0x1
>> gr_block_executor: source <gr_block uhd single_usrp source (20)> produced no
>> output.  We're marking it DONE.
>>
>
> grr timeout
>
> Can you post the output of
>
> uhd_usrp_probe and <prefix>/share/uhd/examples/rx_timed_samples
>
> thanks,
> -josh

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