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From: | Activecat |
Subject: | Re: [Discuss-gnuradio] Python block, itemsize mismatch |
Date: | Tue, 11 Mar 2014 08:45:08 +0800 |
On 03/10/2014 06:57 PM, David Halls wrote:I think you need to do numpy.complex64 -- not 100%, can you please tell
> Hi,
>
> I get the following error connecting 'OFDM Serializer' (GNU Radio block
> with complex output), to my own Python block 'blsd_dec_bfb' (with
> complex input)
>
> "ValueError: itemsize mismatch: ofdm_serializer_vcc0:0 using 8,
> blsd_dec_bfb0:0 using 16"
>
> This is the code in the beginning of my block
>
> "class blsd_dec_bfb(gr.basic_block):
> """
> docstring for block blsd_dec_bfb
> """
> def __init__(self, num_packets=1, K=50, K2=20, kA1=4, NA1=8,
> num_carriers=64):
> gr.basic_block.__init__(self,
> name="blsd_dec_bfb",
> in_sig=[numpy.complex],
> out_sig=[numpy.uint8,numpy.uint8,numpy.uint8])"
us if this worked.
M
> The colours match in the GRC, and it lets me run it (i.e. no complaints
> about type mismatch before run-time).
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