Re: [Discuss-gnuradio] MIMO cable and USRP N210

[Josh Blum]

> 
> self.uhd_usrp_source_0 = uhd.usrp_source(
>               device_addr= "addr=192.168.20.2, addr=192.168.20.3",
>               io_type=uhd.io_type.COMPLEX_FLOAT32,
>               num_channels=2,
> )
>       
> _config = uhd.clock_config()
> _config.ref_source = uhd.clock_config.REF_MIMO
> _config.pps_source = uhd.clock_config.PPS_MIMO
> self.uhd_usrp_source_0.set_clock_config(_config)
> 
> 

The devices are addressed incorrectly; you need key<index>=<value>. See
http://files.ettus.com/uhd_docs/manual/html/usrp2.html#multiple-device-configuration

> and my problem is that I can see the received led turned only on the
> 192.168.20.3 device.
> 
> 
> Moreover, it's not clear what channels are and how I should address
> the 2 devices.
> 
I think the docs above will make this clearer.

Good luck!
-josh