[Discuss-gnuradio] USRP2 Reception Problem

[Bilal]

I m using USRP2,I have configured usrp2 and tested
uhd_usrp_probe,uhd_siggen_gui and uhd_fft all works fine.
Now i want to make my own program like uhd_fft but there is a problem that
the terminal prompt returns right after i execute the program with 
notification

address@hidden:/home/aqs/Desktop# python my_uhd_fft.py 
linux; GNU C++ version 4.4.3; Boost_104000; UHD_003.004.003-224-gc2e197c0

address@hidden:/home/aqs/Desktop# 


my_uhd_fft.py program is:

from gnuradio import uhd
from gnuradio import gr
from gnuradio.wxgui import stdgui2,fftsink2
import wx
class top_block(stdgui2.std_top_block):
        def __init__(self):
                self.addr=uhd.device_addr()
                self.u = uhd.usrp_source(self.addr,\
                uhd.io_type.COMPLEX_FLOAT32, 1)
                self.u.set_samp_rate(40000000)
                self.scope = fftsink2.fft_sink_c (panel, \
                512, 40000000)
                self.connect(self.u, self.scope)
if __name__ == '__main__()':
        app = stdgui2.stdapp(top_block,"FFT",nstatus=1)
        app.MainLoop()


Regards 
Bilal Abbasi
Student 
COMSATS Institute of information technology Pakistan.




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