Sebastian, it turns out that the colour mismatch was not the issue here (your pointed questions made me realize that).
There must be a problem with hier blocks with 4 or more ports (one of which is an async message)!!! I attach here a trivial example. I will also repost this question under a separate title on the mailing list... Achilleas On Thu, Jan 30, 2014 at 6:35 AM, Koslowski, Sebastian (CEL) < sebastian.koslow...@kit.edu> wrote: > > On 01/29/2014 06:20 PM, Achilleas Anastasopoulos wrote: > > 1) the colour of the pad connection is not exactly the same as the > > message connection (maybe this implies something...) > > Like the color difference between "Message Queue" and "Async Message" > ports (see Help-->Types)? > > > When I compile the block, the python code does not have any > > signature that refers to the message output. > > Can you provide an example (your files, a screen-shot, a generic > example,...)? > > Sebastian > > -- > Karlsruhe Institute of Technology (KIT) > Communications Engineering Lab (CEL) > > Dipl.-Ing. Sebastian Koslowski > Research Associate > > Kaiserstraße 12 > Building 05.01 > 76131 Karlsruhe, Germany > > Phone: +49 721 608-46275 > Fax: +49 721 608-46071 > Email: sebastian.koslow...@kit.edu > Web: http://www.cel.kit.edu/ > > KIT - University of the State of Baden-Wuerttemberg and National > Research Center of the Helmholtz Association > >
test_msg_hier.grc
Description: Binary data
#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: test_msg
# Author: Achilleas
# Generated: Thu Jan 30 16:01:40 2014
##################################################
execfile("/home/anastas/.grc_gnuradio/test_msg_hier.py")
from gnuradio import analog
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 optparse import OptionParser
class test_msg(gr.top_block):
def __init__(self):
gr.top_block.__init__(self, "test_msg")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.test_msg_hier_0 = test_msg_hier()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_null_sink_0_3_1_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_null_sink_0_3_1 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_null_sink_0_3 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_const_source_x_0 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.test_msg_hier_0, 0))
self.connect((self.test_msg_hier_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.test_msg_hier_0, 1), (self.blocks_null_sink_0_3, 0))
self.connect((self.test_msg_hier_0, 2), (self.blocks_null_sink_0_3_1, 0))
self.connect((self.test_msg_hier_0, 3), (self.blocks_null_sink_0_3_1_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.test_msg_hier_0, "out_msg", self.blocks_message_debug_0, "print")
# 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__':
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
tb = test_msg()
tb.start()
raw_input('Press Enter to quit: ')
tb.stop()
tb.wait()
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