Thanks for the explanation Tom. Regards, Murray
On 7 October 2014 16:30, Tom Rondeau <t...@trondeau.com> wrote: > On Tue, Oct 7, 2014 at 8:14 AM, Murray Thomson <murraythomson...@gmail.com > > wrote: > >> Thanks for your comments, >> >> Is there an open issue for this problem? Is this a bug or am I doing >> something that I shouldn't? >> I cannot hard-code the string because I need to be able to change the IP >> address of a UDP Sink block. >> >> Thanks, >> Murray >> > > > It's not really a bug since it's part of the design of the variables. > However, it could be a feature in a future release of GRC. We're working on > overhauling GRC in a number of ways that might help us better support this. > Instead of making this an Issue in our Issue tracker, probably better for > the GRC Roadmap: > > http://gnuradio.org/redmine/projects/gnuradio/wiki/GRCroadmap > > Thanks, > Tom > > > > >> On 6 October 2014 20:02, Chris Kuethe <chris.kue...@gmail.com> wrote: >> >>> I ran into this just last week, trying to have editable text fields for >>> configuration information ("hackrf=0", "rtl=0", ...) that would be store in >>> the config block. I ended up punting on the issue, and just hard-coding >>> those strings into my flow graph. Glad to know it wasn't something I did >>> wrong. >>> >>> On Mon, Oct 6, 2014 at 8:00 AM, Tom Rondeau <t...@trondeau.com> wrote: >>> >>>> On Mon, Oct 6, 2014 at 4:39 AM, Murray Thomson < >>>> murraythomson...@gmail.com> wrote: >>>> >>>>> Hi, >>>>> >>>>> I'm getting this error with string type variables using gnuradio 3.7.5 >>>>> and I cannot figure out how to solve it. I'm using a normal variable plus >>>>> a >>>>> config variable in this way: >>>>> >>>>> Variable: >>>>> id: variable_A >>>>> value: config_variable_A >>>>> >>>>> Variable Config: >>>>> id: config_variable_A >>>>> ... >>>>> WriteBack: variable_A >>>>> >>>>> >>>>> This way the variable reads the config file at the start and the >>>>> variable config writes the latest value of the variable at the end. It >>>>> works very well with Integers. >>>>> >>>>> When I change the Config variable type to "String" and I generate the >>>>> flow graph, I get the error: >>>>> >>>>> Generate Error: circular dependency caught in sort_variables >>>>> >>>>> Could anyone please help me to get this behaviour for a String type >>>>> variable please? >>>>> >>>>> Thank you, >>>>> Murray >>>>> >>>> >>>> Yeah, this is a fundamental issue with the way that the GRC templates >>>> are formatted and described. The circular issue has come up rarely in the >>>> past, but it's certainly been a problem for me here and there. >>>> >>>> Tom >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>> >>> >>> -- >>> GDB has a 'break' feature; why doesn't it have 'fix' too? >>> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >
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