Thank you Marcus, this works.
On Wed, Sep 4, 2013 at 1:03 PM, Marcus Müller <[email protected]> wrote: > Hi Nemanja! > None is an object of type NoneType; thus, the output signature list has > length 1; it should have length 0. > Use out_sig=[] instead. > > Greetings, > Marcus > > > On 09/04/2013 12:48 PM, Nemanja Savic wrote: > > This is a bit frustrating situation, and I don't know how to solve the > problem. I tried to figure out what's going on, and wanted to call function > input_signature<http://gnuradio.org/doc/doxygen-3.6/classgr__basic__block.html#a58f6d05e85931200f3771d3e50741281>() > from python i norder to see what is the actual output signature but this > function can't be called. I also couldn't find right explanatoin for port > problem. > Any suggestions? > > Nemanja > > > On Tue, Sep 3, 2013 at 5:33 PM, Nemanja Savic <[email protected]> wrote: > >> I am sorry, the subject of previous post is wrong cause I solved that >> problem meanwhile, but I forgot to change it in the draft. >> >> >> On Tue, Sep 3, 2013 at 5:24 PM, Nemanja Savic <[email protected]> wrote: >> >>> Hi all, >>> >>> this thread is more or less extension of the thread: >>> http://gnuradio.4.n7.nabble.com/3-6-4-2-test-fail-tc43452.html >>> >>> It looks that my 3.6.4git versio doesn't support message passing logic >>> within python, so I switched to another pc where I run 3.7.0. I assume that >>> because there is no function for registering message ports, but when I >>> changed to 3.7.0, there was no that error any more. >>> No the problem is the following: >>> >>> the block is very simple: >>> >>> def __init__(self): >>> gr.sync_block.__init__(self, >>> name="msg_sender", >>> in_sig=[numpy.int8], >>> out_sig=[None]) >>> >>> self.message_port_register_out(pmt.pmt_intern('out_port')) >>> >>> but when i run flowgraph, the following error comes out: >>> RuntimeError: msg_sender(2): insufficient connected output ports (1 >>> needed, 0 connected) >>> >>> >>> From where came that output that I havent declared? >>> >>> -- >>> Nemanja Savić >>> >> >> >> >> -- >> Nemanja Savić >> > > > > -- > Nemanja Savić > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > -- Nemanja Savić
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