Re: [Discuss-gnuradio] UHD Announcement - July 6th 2010

[Zohair]

Dear Josh,
I have successfully installed the UHD branch from jblum.git repo and have
tried out using the MIMO sources available. I have a few points to raise
here regarding this release and block:

1- I am using a PC with four Ethernet ports. I burned the firmware and the
fpga images created on 6-7-2010. Also, I tried assigning IP addresses from
the same subnetwork: 192.168.10.X/24. However, Only a single USRP2 is
discovered at a time while others are unreachable. (USRP2s IPs are also from
the same subnetwork above)

2- Then I tried assigning IPs from 4 different subnetworks to the USRP2's,
and all them  can be discovered normally. Is it possible that they work
using IPs from the same subnetwork or not? (case 1)

3- I used a MIMO source with 4 outputs and the following settings:
freq: 2414000000, 2414000000, 2414000000, 2414000000
Arg: addr=192.168.10.11 192.168.20.11 192.168.30.11 192.168.40.11,
recv_buff_size=50e6 50e6 50e6 50e6
sample rate: 195.312K ( Firstly, I used 32K but at runtime I was prompted 
to use this value)
Gain= 35,35,35,35
Antennas= [‘RX2’, ‘RX2’, ‘RX2’, ‘RX2’]

I connected the 4 outputs to graphic scopes but once I run the flowgraph, I
see this error messages:

terminate called after throwing an instance of
'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::bad_lexical_cast>
>' 
  what():  bad lexical cast: source type value could not be interpreted as
target.

I have Boost 1.38.0 installed and I did use this command for configuration:
./configure --with-boost=$BOOST_PREFIX

Any advice or help regarding this issue, please?

Best regards,

Zohair
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