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Re: [Discuss-gnuradio] Scope sink + multiple channels

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Scope sink + multiple channels
Date: Fri, 06 Jul 2007 13:20:21 -0700
User-agent: Thunderbird (X11/20070326)

Jeffrey Karrels wrote:
> Sorry I was being lazy, I should have further defined my issue.
> ...
> from gnuradio.wxgui import scopesink
> ...
> self.scope = scopesink.scope_sink_c(self, panel,
> sample_rate=input_rate,...)
> ...   
> self.connect(xf, (self.scope,0))
> self.connect(d, (self.scope,1))
> -------------------------------------------------------------
> The second connect gives me the following error:
> raise ValueError, 'port number out of range.'
> ValueError: port number out of range.
> Am I using the wrong scope? Do I have to add channels some how?

I think you may need to use the _f version, and pass your complex
signals through a complex to float conversion.  The float scope takes up
to 4 signals.

Patches welcome :)


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