Re: [Discuss-gnuradio] eye diagram error

[Marcus Müller]

Hi Mostafa,

which GNU Radio version are you using?
GNU Radio itself (to my knowledge) doesn't come with a dedicated eye diagram, and it's possible that you're trying to use an out-of-tree module that was meant for another version of GNU Radio.
You can try to emulate an eye diagram by using the Scope Sink, and triggering on a signal that has an edge on every symbol center.

Best regards,
Marcus

On 02/17/2015 06:30 PM, Mostafa Alizadeh wrote:

Hello, 

When I used eye diagram block (which seems to be a member of WxGUI class), the following error appeared:

  File "/usr/local/lib/python2.7/dist-packages/baz/eye.py", line 98, in __init__

    self.st = gr.message_sink(gr.sizeof_float, msgq, dont_block=1)

AttributeError: 'module' object has no attribute 'message_sink' 

what is the main problem? 

best, 

Mostafa

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