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 <vlasi...@gmail.com> 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
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