Re: [Discuss-gnuradio] HELP with "packet header parser"

[Cinaed Simson]

Okay, well you'll have to post your flowgraph and I'll try to help you.

Or post your python code and maybe someone on the list may be able to
help you.

-- Cinaed


On 1/6/19 2:10 AM, Alban Meffre wrote:
> hi
> i does not work because the packet header parser expect an
> "packet_header_default" object instead of a "header_format_base" object
> bob
> 
> Le dim. 6 janv. 2019 à 02:50, Cinaed Simson <address@hidden
> <mailto:address@hidden>> a écrit :
> 
>     On 1/5/19 2:26 PM, Alban Meffre wrote:
>     > ok sorry my mistake i got "packet_header_default" and
>     > "header_format_default" mixed up
>     > bob
> 
>     The error message at the bottom indicates the wrong number arguments.
> 
>       digital.header_format_default('1101001110010001', 0)
> 
>     Try
> 
>       digital.header_format_default('1101001110010001', 0, bps)
> 
>     where bps is the number of bits per symbol for your problem.
> 
>     See
> 
>        Default Header Format Obj.
> 
>     in the grc.
> 
>     -- Cinaed
> 
> 
> 
> 
>     >
>     > Le sam. 5 janv. 2019 à 22:13, Alban Meffre <address@hidden
>     <mailto:address@hidden>
>     > <mailto:address@hidden <mailto:address@hidden>>> a écrit :
>     >
>     >     hi all
>     >
>     >     i try to figure out how to use the "packet header parser" block
>     >     as a formatter i use
>     >     "digital.header_format_default('1101001110010001', 0)"
>     >
>     >     when i launch i get the error
>     >     "
>     >     Traceback (most recent call last):
>     >       File "/Users/alban/gnuradio/top_block.py", line 146, in <module>
>     >         main()
>     >       File "/Users/alban/gnuradio/top_block.py", line 134, in main
>     >         tb = top_block_cls()
>     >       File "/Users/alban/gnuradio/top_block.py", line 71, in __init__
>     >         self.digital_packet_headerparser_b_0 =
>     >     digital.packet_headerparser_b(hdr_format_dec_0)
>     >       File
>     >   
>      
> "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/digital/digital_swig2.py",
>     >     line 2651, in make
>     >         return _digital_swig2.packet_headerparser_b_make(*args)
>     >     NotImplementedError: Wrong number or type of arguments for
>     >     overloaded function 'packet_headerparser_b_make'.
>     >       Possible C/C++ prototypes are:
>     >        
>     >   
>      
> gr::digital::packet_headerparser_b::make(gr::digital::packet_header_default::sptr
>     >     const &)
>     >         gr::digital::packet_headerparser_b::make(long,std::string
>     const &)
>     >     "
>     >
>     >
>     >     in the "rx_ofdm" example supplied with gnuradio, the  "packet
>     header
>     >     parser" use the formatter  "header_formatter.base()"
>     >
>     >     i do not find any documentation about the base() method
>     >     as you can see the doxygen is empty
>     >   
>      
> https://www.gnuradio.org/doc/doxygen/classgr_1_1digital_1_1header__format__base.html#a5a7b2939707146f2b28d7e91e04103c2
>     >
>     >     if i add ".base()" to the formatter in my top_block i get an
>     error too
>     >
>     >     please someone can explain me hox to use this block ?
>     >     thank you all
>     >     --
>     >     Alban MEFFRE F4GSW
>     >
>     >
>     >
>     >
>     > --
>     > Alban MEFFRE F4GSW
>     >
>     >
>     >
>     > _______________________________________________
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>     > address@hidden <mailto:address@hidden>
>     > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>     >
> 
> 
> 
> -- 
> Alban MEFFRE F4GSW
> 
> 
> 
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