On Thu, Sep 25, 2014 at 11:17 PM, Jeff Long <willco...@gmail.com> wrote:
> It looks like you're doing it right. The example
> gr-blocks/examples/vector_source_with_tags.grc
> does the same thing, and also fails to report srcid correctly.
>
> Walked through the process in Python and it works fine.
>
> In [57]: h = pmt.to_pmt('hello')
>
> In [58]: type(h)
> Out[58]: pmt.pmt_swig.swig_int_ptr
>
> In [59]: pmt.is_symbol(h)
> Out[59]: True
>
> So, probably not a swig problem. Somehow, the 'symbolness' of srcid is
> getting lost before it gets to the tag debug block.
>
> Removed the is_symbol() check in tag debug, and got this:
>
> thread[thread-per-block[2]: <block tag_debug (3)>]:
> pmt_symbol_to_string: wrong_type : #f
>
> Gave up.
>
> - Jeff
Hey guys,
Can one of you open an issue on the issue tracker? It'd really help if you
can throw up a simple test case, too.
Thanks!
Tom
> On 09/25/2014 08:50 PM, Jared Dulmage wrote:
>
>> This issue is for GNURadio 3.7.4 on Ubuntu 14.04 and gcc 4.8.2, swig
>> 2.0.11.
>>
>> I have a simple GRC flow graph consisting of a vector source -> throttle
>> -> tag debug. Vector source params:
>>
>> Vector:[1, ] * 100
>> Tags: [python_to_tag({'offset': 0, 'key': pmt.to_pmt('PDU'), 'value':
>> pmt.to_pmt(2.3), 'srcid': pmt.to_pmt('blocks_vector_source_x_0')}),]
>>
>> Output looks like:
>>
>> ----------------------------------------------------------------------
>> Tag Debug: Debug tags
>> Input Stream: 00
>> Offset: 0 Source: n/a Key: PDU Value: 2.3
>> ----------------------------------------------------------------------
>>
>> The srcid appears to be correctly translated to a pmt symbol in python
>> and set in python_to_tag, but in tag_debug_impl.cc:126 the type check
>>
>> (pmt::is_symbol(d_tags_itr->srcid) ?
>> pmt::symbol_to_string(d_tags_itr->srcid) : "n/a")
>>
>> is false. Within the debugger the test pmt::is_bool(d_tags_itr->srcid)
>> returns true. I am not sure how to further debug this problem. Is this
>> a swig issue? Am I making a mistake in the tag creation?
>>
>> Appreciate any suggestions.
>>
>> Jared.
>>
>>
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>>
>
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