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

[Josh Blum]

> 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.
Thanks

> 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.
http://gnuradio.org/redmine/wiki/gnuradio/GNURadioCompanion#Adding-Custom-Blocks

-Josh