The file worked for me, but I'm testing with a machine with an older version of GNU Radio (3.6.2). I will upgrade and retest. In the meantime, can you remove the burst gate and tell me if the flowgraph runs without error?
-John On Mon, Feb 4, 2013 at 8:06 PM, George Sklivanitis < [email protected]> wrote: > I am sorry, it was a typo. > The grc file generating the reported error is attached. > > -George > > > On Mon, Feb 4, 2013 at 10:58 PM, John Malsbury <[email protected]>wrote: > >> ... GMSK_mod -> packet_framer -> multiplier -> Burst-Tag ... >> >> the packet_framer should come before the modulator. Not after. Is this >> actually how it is connected or is there just a typo? >> >> Send me the GRC file. >> >> >> >> On Mon, Feb 4, 2013 at 7:54 PM, George Sklivanitis < >> [email protected]> wrote: >> >>> Hi John, >>> >>> I suspected that this was where it has transferred. Though, by >>> installing pre-cog along with the extras and using >>> the packet_framing of precog instead of extras I get the following error >>> as I posted before, >>> >>> gr_fir_fff: using SSE >>> Uhandler caught exception: in method >>> 'gr_block_gw_message_type_work_args_return_value_set', >>> argument 2 of type 'int' >>> Traceback (most recent call last): >>> File >>> "/usr/local/lib/python2.7/dist-packages/gnuradio/extras/block_gateway.py", >>> line 53, in eval >>> try: self._callback() >>> File >>> "/usr/local/lib/python2.7/dist-packages/gnuradio/extras/block_gateway.py", >>> line 124, in __gr_block_handle >>> ) for i in self.__out_indexes], >>> TypeError: in method 'gr_block_gw_message_type_work_args_return_value_set', >>> argument 2 of type 'int' >>> thread[thread-per-block[5]: <gr_block mod_pkts2 (3)>]: caught >>> unrecognized exception************ >>> >>> >>> What is more, after replacing packet_framer with the framer of extras >>> repo, by trying to simulate >>> only the PHY level of precog >>> >>> transmitter >>> (Vector_source -> stream_to_blob -> GMSK_mod -> packet_framer -> >>> multiplier -> Burst-Tag -> USRP_sink) >>> >>> and on the other side >>> receiver: >>> (USRP_source -> packet_deframer -> GMSK_demod -> blob_to_s) >>> >>> >>> On 2/4/13 10:42 PM, John Malsbury wrote: >>> >>> https://github.com/jmalsbury/pre-cog<https://github.com/buoyboy/pre-cog> >>> >>> On Mon, Feb 4, 2013 at 7:41 PM, George Sklivanitis < >>> [email protected]> wrote: >>> >>>> Hello guys, >>>> >>>> Is https://github.com/buoyboy/pre-cog down >>>> or I am the only one not being able to have access? >>>> >>>> -George >>>> >>>> -- >>>> Sklivanitis Georgios >>>> Postgraduate Student >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> [email protected] >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>> >>> >>> -- >>> Sklivanitis Georgios >>> Ph.D Student >>> Communications Division, >>> Department of Electronics and Electrical Engineering >>> University at Buffalo, The State University of New York >>> North Campus, Office 205, Furnas Hall >>> Buffalo, NY 14260www.acsu.buffalo.edu/~gsklivan >>> <http://www.acsu.buffalo.edu/%7Egsklivan> >>> >>> >> > > > -- > Sklivanitis Georgios > Postgraduate Student > Telecommunications Division > Technical University of Crete > ECE Dept. > Tel. : 28210 59257 >
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