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Re: [Discuss-gnuradio] gnuradio-companion & hamlib bodging

From: Darren Long
Subject: Re: [Discuss-gnuradio] gnuradio-companion & hamlib bodging
Date: Sun, 28 Oct 2012 21:36:12 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121011 Thunderbird/16.0.1

Hi again,

I've got my gnuradio 'pan-adapter' for my KX3 transceiver pretty much
working now: http://www.g0hww.net/2012/10/gnuradio-hamlib-and-kx3.html

 but there seems to be a memory leak occurring when I call


to update the waterfall's baseband centre frequency with the result of
polling the transceiver (using pexpect with hamlib's rigctl).

To be clear, the leak only occurs when set_baseband_freq() is called. if
that line is commented out, there is no leak.

Is this a known issue?



On 28/10/12 17:55, Darren Long wrote:
> Never mind.  I've bodged it directly in the generated python.
> Darren
> On 28/10/12 14:35, Darren Long wrote:
>> Hi,
>> In gnuradio-companion,  I'm tring to control my KX3 transceiver using
>> hamlib's rigctl utility.
>> I've bodged a call to:
>>     float(pexpect.run("rigctl -m 229 -r /dev/ttyUSB0 -s 38400 f"))
>> in a variable block's value, and then used that to set the wxgui
>> waterfall sink's baseband frequency, which works but i'm trying to
>> figure out 2 more things.
>> 1) Can i do something similar to set the KX3's vfo frequency? a similar
>> command to rigctl can be used if i can bodge the call  into Freq Set
>> Varname somehow.
>> 2) Somehow i need to accommodate physical knobulation of the VFO on the
>> radio, and keep the waterfall scale in sinc with the radio, i.e. by
>> polling the same command i've used above.  Is there any chance i can do
>> that via similar bodging in gnuradio-companion, or, am I actually going
>> to have to write actually write some code?
>> Cheers,
>> Darren, G0HWW
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