Re: [Discuss-gnuradio] How to turn-off TX of UHD sink in gnuradio companion?

[Michael Lustig]

I see,....interesting.

So how do you send an SOB tag within gnu radio companion?
I'm new to this and could not find any documentation on grc that made sense to 
me.

-- Miki, KK6MRI, from mobile 



> On Dec 4, 2013, at 6:51 AM, "Marcus D. Leech" <address@hidden> wrote:
> 
>> On 12/04/2013 09:46 AM, Tom Rondeau wrote:
>> 
>> One easy way is to use the mute block and have it controllable from a
>> check box GUI element.
>> 
>> Tom
> Unless the mute block causes an EOB tag to be sent downstream to the UHD 
> sink, that won't have the desired effect.
> 
> When doing half-duplex, sharing a common RF port, the USRP needs to know when 
> you've ended a "burst", so that it can
>  switch the antenna port between the RX and TX.  And again when you start 
> transmitting, it'll need a SOB tag to cause
>  the TX state machine to wake-up.
> 
> The usual mode implemented by gr-uhd is continuous streaming on TX.
> 
> 
> 
> 
> -- 
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
> 
> 
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