Yes indeed, it was a C++11 issue! Thanks
On 13 January 2018 at 11:16, Sakthivel Velumani <[email protected]> wrote:
> I think you are using an older standard of C compiler. The C11 does not
> allow to initialise a vector using {}. But this doesn't matter as it
> compiled successfully. Try initialising the vector with its constructor and
> then assign the values. It doesn't make sense but still no harm in trying.
>
> Regards,
> Sakthivel
>
>
> On 13-Jan-2018 5:48 AM, "sumit kumar" <[email protected]> wrote:
>
> The input signature is not a problem here. For gr::io_signature::*make*(2,
> 2, sizeof(gr_complex)), i.e. when using make, size of all input items is
> same. Its is different when using make2, make3 and makev.
>
>
>
>
> On 13 January 2018 at 01:23, Sakthivel Velumani <[email protected]>
> wrote:
>
>> Hi Sumit,
>>
>> You have given no of input streams as 2 but mentioned size of item for
>> only one. This may be the source of the error. Try correcting it and let us
>> know.
>>
>> Regards,
>> Sakthivel
>>
>> On Fri, Jan 12, 2018 at 10:37 PM, sumit kumar <[email protected]>
>> wrote:
>>
>>> Hi,
>>>
>>> I am trying to use *gr::io_signature::makev* for my output signature in
>>> my bar_impl.cc
>>>
>>> bar_impl::bar_impl(int offset, int freq)
>>> : gr::block("bar",
>>> gr::io_signature::make(2, 2, sizeof(gr_complex)),
>>> * gr::io_signature::makev(4, 4, out_vect))*
>>>
>>> For that in the header I did following in the header bar_impl.h
>>>
>>> *const std::vector<int> out_vect = {sizeof(gr_complex),
>>> sizeof(gr_complex), sizeof(float), sizeof(float)};*
>>>
>>> It compiles but when I do gr_modtool makexml, it throws this error
>>>
>>> john@john-Precision-5510:~/nuradio/src/gr-fist$ gr_modtool makexml bar
>>> GNU Radio module name identified: fist
>>> Warning: This is an experimental feature. Don't expect any magic.
>>> Searching for matching files in lib/:
>>> Making GRC bindings for lib/bar_impl.cc...
>>> tbi
>>> Error: Can't parse output signature.
>>> Traceback (most recent call last):
>>> File "/home/john/nuradio/bin/gr_modtool", line 46, in <module>
>>> main()
>>> File "/home/john/nuradio/bin/gr_modtool", line 38, in main
>>> modtool.run()
>>> File
>>> "/home/john/nuradio/lib/python2.7/dist-packages/gnuradio/modtool/modtool_makexml.py",
>>> line 76, in run
>>> self._make_grc_xml_from_block_data(params, iosig, blockname)
>>> File
>>> "/home/john/nuradio/lib/python2.7/dist-packages/gnuradio/modtool/modtool_makexml.py",
>>> line 100, in _make_grc_xml_from_block_data
>>> if iosig[inout]['max_ports'] == '-1':
>>> KeyError: 'out'
>>>
>>> Need some help :)
>>>
>>> --
>>> Sumit Kumar
>>>
>>>
>>>
>>> _______________________________________________
>>> Discuss-gnuradio mailing list
>>> [email protected]
>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>
>>>
>>
>
>
> --
> Sumit Kumar
>
>
>
>
--
Sumit Kumar
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