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Re: [Discuss-gnuradio] UHD/antennas/device names/etc.

From: bobb
Subject: Re: [Discuss-gnuradio] UHD/antennas/device names/etc.
Date: Thu, 26 Aug 2010 23:29:09 +0000

>-----Original Message-----
>From: Josh Blum [mailto:address@hidden
>Sent: Thursday, August 26, 2010 07:03 PM
>To: address@hidden
>Subject: Re: [Discuss-gnuradio] UHD/antennas/device names/etc.
>On 08/26/2010 03:27 PM, address@hidden wrote:
>> Welcome to the next level...
>> I've gotten further. It's now failing with:
>> Oterminate called after throwing an instance of 'uhd::assert_error'
>>    what():  assertion failed:
>>     is not a valid rfx rx antenna name.
>>    possible values are: [TX/RX, RX2].
>You need to pick from one of the antenna choices. If you leave a blank
>string it shouldnt try to set any antenna, so im not sure why you see
>the error at all because it looks like you used a blank/empty string.
>> I'm running with an RFX2400 (WBX will be my next victim).
>antennas should be the same as RFX series
>> I've already discovered that (apparently) you can't do something like 
>> make("eth2") (like you could with the old driver), you need to give the IP 
>> address (however I've also discovered that "" also appears to work OK). Do I 
>> also need to include some sort of antenna info (i.e., whether I'm running 
>> half or full duplex)?
>Its a device address, when left blank it will use whatever device it can
>The dboard properties link above should clue you into the full or half
>duplex stuff.
>> I've looked through the various headers and doxygen but haven't been able to 
>> figure out what I need to do to keep going.
>What are you trying to do?

I'm (just) trying to open a connection to a U2 + RFX2400 (full duplex).

What I'm not getting (perhaps I'm just being dense) is how to express the 
antenna property in the string (i.e., apparently is can be "TX/RX" or "RX2", 
but does it take a prefix like the address does (i.e., "addr=")? If it does, 
what is it?).

Again, sorry if I've overlooked something. I can tell I'm in the right 
ballpark, but I'm just not seeing it.

  Thanks again,


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