[Discuss-gnuradio] Re: USRP2 daughterboard recognition error

[ILKYOUNG KWOUN]

FYI,
  - My host is ubuntu 8.10 AMD64 on an Intel Core2Duo
  - The FPGA image file is u2_rev3.bin
(http://gnuradio.org/releases/usrp2-bin/trunk/)
  - The FPGA firmware file is txrx.bin dated 03-Nov-2008
(http://gnuradio.org/releases/usrp2-bin/trunk/)

2008/12/10 ILKYOUNG KWOUN <address@hidden>:
> Hello, folks,
>
> It seems that my USRP2 won't recognize the presence of daughtercard correctly.
>
> What I did today was running the 'usrp2_wfm_rcv.py' program in sample
> directory and I could not managed the program running correctly. While
> I was tracking down the problem, I unplugged my basicRX daughterboard
> from the USRP2 and ran 'usrp2_rx_cfile.py in 'gr-utils/src/python'
> directory. The followings are the result.
>
> ------------------------------------------------------------------
> Using mid-point gain of 0.0 ( 0.0 - 0.0 )
> Network interface: eth0
> USRP2 address: 00:50:c2:85:30:3f
> Using RX d'board id 0x0001
> Rx gain: 0.0
> Rx baseband frequency: 0
> Rx DDC frequency: 4.9M
> Rx residual frequency: 11.735m
> Rx decimation rate: 16
> Rx sample rate: 6.25M
> Receiving samples until Ctrl-C
> Writing 32-bit complex floats
> Output filename: RxDump
> ------------------------------------------------------------------
>
> As you can see, the program detects the RX daughterboard id as  0x0001
> while no daughterboard is connected to the mainboard.
> That is just the same result out of a test with the daughterboard
> connected on the right place. So, I'm very suspicious if the program
> does not investigate the presence of daughtercard correctly.
>
> I can do further test with DBRX(?) daughterboard at home but it would
> take some time because I have to replace the main board of my
> computer. So, I just wonder if I can get a help out there having a
> clue on my case.
>
> Best regards,
>
> Ilkyoung.
>