Hello Edward, it seems, vlen support in epy_block was missing. Try this version:
https://github.com/skoslowski/gnuradio/tree/epy_vectors Let me know if you find any issues. Sebastian On 10/10/2016 07:49 PM, Edward Miles wrote: > Hello, my name is Edward and I have a quick question about the embedded > python block found in the Misc section of the gnuradio-companion(grc). > When I go into the block's properties and open its code in the editor I > want to change this line of code: > > gr.sync_block.__init__( > self, > name='Embedded Python Block', # will show up in GRC > in_sig=[np.complex64], > out_sig=[np.complex64] > ) > > to this: > > gr.sync_block.__init__( > self, > name='Embedded Python Block', # will show up in GRC > in_sig=[(np.complex64, 1024)], # changed to accept a > vector of size 1024 as its input > out_sig=[(np.complex64, 1024)] # changed to output a > vector of size 1024 > ) > > This change should allow the block to take in a vector of size 1024 as > input and also output a vector of size 1024. I've made new modules and > blocks in python using the gr_modtool and this line of code works fine > but does not seem to work in the embedded python block in grc. The block > keeps giving this error: > > Param - Code(_source_code): > Invalid conversion specification > > I've tried looking into the issue to see if it is just a problem with > this particular block or if there is a special conversion that needs to > be done specifically and I can't seem to find anything on it. I could > just make the block using gr_modtool but it would make life much easier > if I could implement it with the embedded python block. So my question > is has anyone else encountered this problem and knows how to get the > block to accept vectors? Any input would be greatly appreciated. Thank > you all for your time and consideration. > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
