I found that "tb.wait()" is written in the file so it takes too long time .
Now after I erased tb.wait() .. the output on terminal is ---> ( ) .. I
don't know why ?? Here is what is written in top_block.py
#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Top Block
# Generated: Sat Mar 29 01:47:01 2014
##################################################
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import wx
class top_block(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.blocks_vector_source_x_0 = blocks.vector_source_b((6, 6),
True, 1, [])
self.blocks_vector_sink_x_0 = blocks.vector_sink_b(1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1,
samp_rate,True)
##################################################
# Connections
##################################################
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_vector_sink_x_0, 0))
4,1 Top
# QT sink close method reimplementation
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
tb = top_block()
tb.Start(True)
print tb.blocks_vector_sink_x_0.data()
2014-03-29 0:06 GMT+02:00 Sara Chérif <[email protected]>:
> I want to make a test and see the output , I put 3 blocks , vector source
> , throttle and vector sink . I edited the "vector" parameter in vector
> source block to (6,6). All 3 blocks have a type "byte". I generated the
> flow graph.
> I moved to the directory of grc file , I wrote in terminal
> vim top_block.py
> then I write to the end of file : " print tb.blocks_vector_sink_x_0.data()"
> and saved the changes . Then I execute the python file by writing in
> terminal :
> ./top_block.py
> But the output takes too long time and doesn't appear ! what is the
> problem ?
> and is there any other method to see the output ???As I am a beginner and
> someone told me this method.
> I tried this for example 10 times but every time it takes too long and
> doesn't appear , only one time it appears!
>
> Another question :
> If I have captured some frames using wireshark (from twinkle softphone),
> and I saved them .I want to make them an input to ofdm transmitter . How
> to make them an input?
>
> Thanks :)
>
>
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