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Re: [Discuss-gnuradio] UHD examples/apps
From: |
Josh Blum |
Subject: |
Re: [Discuss-gnuradio] UHD examples/apps |
Date: |
Mon, 16 May 2011 19:22:20 -0700 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Lightning/1.0b2 Thunderbird/3.1.10 |
> Hmmm, this will require some thinkage. I just ran into a *similar*
> problem when running Tom's uhd_fft.py on a BASIC_RX, because it sets
> the antenna, and of course, there aren't any antenna options on the
> BASIC_RX.
>
I would like the app to only set the antenna when the option is
specified. So if options.antenna: self.u.set_rx_antenna(....)
> The question becomes whether we place the burden on the user app to
> "know" what is reasonable, and not ask UHD to set things that aren't
> actually there, or whether there should be some kind of *explicit*
> "default" value that means "don't barf on me, bro".
>
The UHD should handle all cases and throw a reasonable error like "no
antennas to select". Those neglected properties should be filled in for
the sake of completeness.
Whether or not to use an empty string as a pass-through, not so sure.
> For a hand-coded Python/C++ app, perhaps it's reasonable for the APP
> to ask UHD what features are available, and only ask for settings
> related to those features. But for GRC, it's harder to do that sort
> of thing, since GRC is inherently declarative, and not procedural.
>
>
Indeed.
The available antennas are query-able. Available clock configurations
are not yet. Thats planned for the next rev of the API.
-Josh
- [Discuss-gnuradio] UHD examples/apps, Tom Rondeau, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps, Colby Boyer, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps, Josh Blum, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps, Marcus D. Leech, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps, Josh Blum, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps, Marcus D. Leech, 2011/05/16
- Re: [Discuss-gnuradio] UHD examples/apps,
Josh Blum <=
- Re: [Discuss-gnuradio] UHD examples/apps, Marcus D. Leech, 2011/05/16