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Re: [Discuss-gnuradio] GRC control of GPIO pins

From: Josh Blum
Subject: Re: [Discuss-gnuradio] GRC control of GPIO pins
Date: Wed, 16 Jun 2010 11:07:52 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100423 Thunderbird/3.0.4

First let me say kudos to Josh Blum for a spectacular program, GRC. I
wasn't quite sure what it was and now see the value of it. No Josh, I
will not tell you what version I am running, but suffice it to say that
your program created a program running in a WBX, installed in a USRP2,
tied to eth1 (secondary GigaBit ethernet) in a dual-quad core Mac Pro,
running Ubuntu under Parallels via Leopard.


Anyway, can the GRC program access the GPIO bits of the daughtercards? I
didn't see anything in the list of available elements. I am guessing it
just is not there, but the alternative would be to build the radio with
GRC and then just edit into the source that it builds. Any tidbits there
would be welcome.

rule of thumb: Dont edit the generated code.
Rather, make a custom block that suits your needs and add it to grc.


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