Re: [Discuss-gnuradio] GRC: Hierarchical Blocks: Several Source- and Sink-Pads

[Christian Rohlfing]

I fetched the gnuradio code yesterday and installed it on Ubuntu 9.10. It's the only gnuradio install.

Here are the generated .py and .py.xml files and the .grc-file:

#!/usr/bin/env python

##################################################

# Gnuradio Python Flow Graph

# Title: testhierblock

# Generated: Fri Apr  9 01:43:43 2010

##################################################

from gnuradio import gr

from gnuradio.gr import firdes

class testhierblock(gr.hier_block2):

def __init__(self):

gr.hier_block2.__init__(

self, "testhierblock",

gr.io_signaturev(2, 2, [gr.sizeof_gr_complex*1, gr.sizeof_gr_complex*1]),

gr.io_signaturev(2, 2, [gr.sizeof_gr_complex*1, gr.sizeof_gr_complex*1]),

)

##################################################

# Variables

##################################################

self.samp_rate = samp_rate = 32000

##################################################

# Blocks

##################################################

##################################################

# Connections

##################################################

self.connect((self, 0), (self, 0))

self.connect((self, 0), (self, 0))

def set_samp_rate(self, samp_rate):

self.samp_rate = samp_rate

<?xml version='1.0' encoding='ASCII'?>

<block>

  <name>testhierblock</name>

  <key>testhierblock</key>

  <category>Custom</category>

  <import>execfile("/home/christian/.grc_gnuradio/testhierblock.py")</import>

  <make>testhierblock()</make>

  <sink>

    <name>in</name>

    <type>complex</type>

    <vlen>1</vlen>

  </sink>

  <source>

    <name>out</name>

    <type>complex</type>

    <vlen>1</vlen>

  </source>

  <doc>

/home/christian/.grc_gnuradio/testhierblock.py</doc>

</block>

<?xml version='1.0' encoding='ASCII'?>

<flow_graph>

  <timestamp>Fri Apr  9 01:45:18 2010</timestamp>

  <block>

    <key>options</key>

    <param>

      <key>id</key>

      <value>testhierblock</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>title</key>

      <value>testhierblock</value>

    </param>

    <param>

      <key>author</key>

      <value></value>

    </param>

    <param>

      <key>description</key>

      <value></value>

    </param>

    <param>

      <key>window_size</key>

      <value>1280, 1024</value>

    </param>

    <param>

      <key>generate_options</key>

      <value>hb</value>

    </param>

    <param>

      <key>category</key>

      <value>Custom</value>

    </param>

    <param>

      <key>run_options</key>

      <value>prompt</value>

    </param>

    <param>

      <key>run</key>

      <value>True</value>

    </param>

    <param>

      <key>realtime_scheduling</key>

      <value></value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(10, 10)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <block>

    <key>variable</key>

    <param>

      <key>id</key>

      <value>samp_rate</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>value</key>

      <value>32000</value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(10, 170)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <block>

    <key>pad_source</key>

    <param>

      <key>id</key>

      <value>pad_source_0</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>label</key>

      <value>in</value>

    </param>

    <param>

      <key>type</key>

      <value>complex</value>

    </param>

    <param>

      <key>vlen</key>

      <value>1</value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(198, 11)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <block>

    <key>pad_sink</key>

    <param>

      <key>id</key>

      <value>pad_sink_0</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>label</key>

      <value>out</value>

    </param>

    <param>

      <key>type</key>

      <value>complex</value>

    </param>

    <param>

      <key>vlen</key>

      <value>1</value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(412, 11)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <block>

    <key>pad_sink</key>

    <param>

      <key>id</key>

      <value>pad_sink_1</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>label</key>

      <value>out</value>

    </param>

    <param>

      <key>type</key>

      <value>complex</value>

    </param>

    <param>

      <key>vlen</key>

      <value>1</value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(413, 66)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <block>

    <key>pad_source</key>

    <param>

      <key>id</key>

      <value>pad_source_1</value>

    </param>

    <param>

      <key>_enabled</key>

      <value>True</value>

    </param>

    <param>

      <key>label</key>

      <value>in</value>

    </param>

    <param>

      <key>type</key>

      <value>complex</value>

    </param>

    <param>

      <key>vlen</key>

      <value>1</value>

    </param>

    <param>

      <key>_coordinate</key>

      <value>(198, 66)</value>

    </param>

    <param>

      <key>_rotation</key>

      <value>0</value>

    </param>

  </block>

  <connection>

    <source_block_id>pad_source_0</source_block_id>

    <sink_block_id>pad_sink_0</sink_block_id>

    <source_key>0</source_key>

    <sink_key>0</sink_key>

  </connection>

  <connection>

    <source_block_id>pad_source_1</source_block_id>

    <sink_block_id>pad_sink_1</sink_block_id>

    <source_key>0</source_key>

    <sink_key>0</sink_key>

  </connection>

</flow_graph>

Am 08.04.2010 um 21:15 schrieb Josh Blum:

I added the ability to have multiple pads a few months ago. I believe that it works. Make sure that your git clone is recent enough ( im not sure about the version) and make sure that there is not this issue of multiple gnuradio installs (and possibly importing old grc modules).

-Josh

On Thu, Apr 8, 2010 at 1:41 PM, Christian Rohlfing <address@hidden> wrote:

Is GRC able to create Hierarchical Blocks with more than one Sink / Source?

I tried to create such a Hierarchical Block in the following way which failed:


In a blank GRC-File, I assigned in the Options-Block ID (hierblocktest), Title (hier block test), Generate Options (Hier Block) and Category (Custom).

I added two Pad Sources and two Pad Sinks, connected them (connect(source1,sink1), connect(source2,sink2)), generated the flow graph and restarted GRC.

To test the block, I added it to a new sheet. The Block is displayed as if it had just one Sink and one Source.

I am using GNU Radio Companion 3.3git-696-g1ae689ff.


_______________________________________________
Discuss-gnuradio mailing list
address@hidden
http://lists.gnu.org/mailman/listinfo/discuss-gnuradio