That's one way to skin the cat. You can also use an install prefix
with cmake.
cmake -DCMAKE_INSTALL_PREFIX=/opt/gnuradio/pybombs ../
Ron
On 08/08/2015 03:43 PM, Kevin McQuiggin
wrote:
Hi Logan:
I just went through the same process! My new OOT block wasn't being found. The solution is to add a [grc] segment to the config.conf file in ~/.gnuradio:
I had to create the .gnuradio directory, then add the simple two-line [grc] stanza to a new config.conf file:
[grc]
local_blocks_path=/usr/local/share/gnuradio/grc/blocks
This tells grc to look for additional blocks in the stated directory. So you would do something like:
cd
mkdir .gnuradio
cd .gnuradio
vi config.conf
Then add the two lines above, your OOT block install path may be different so I'd check it first.
Hope this helps,
Kevin
On Aug 8, 2015, at 3:33 PM, Washbourne, Logan <address@hidden> wrote:
Hello all,
I am trying to create a simple OOT block. Eventually I would like to create a block that lets a transmitting agent know if their message was received or not, but for now I am just trying to create a block that multiplies the input values by 2 (very similar to the guided tutorial example of the square_ff block).
So the problem is that when I follow all of the instructions no errors appear but when I open up the GRC, my module and blocks are not there.
So hopefully no one minds if I explain how I have installed Gnuradio on my machine and the process of creating the OOT module, in hopes someone might find where I made an error.
I have already gotten previous help and responses on here that really did help me out so I'd like to say again, thank you to the community.
Ok, so I used Pybombs to install Gnuradio.
/home/username/Thesis/pybombs is where I installed pybombs.
Before installing gnuradio I changed the permissions to the path of /opt/gnuradio/pybombs by using: sudo chown username:mygroupname /opt/gnuradio/pybombs (thanks to Nathan West)
I then used ./pybombs install gnuradio.
I changed the install prefix to /opt/gnuradio/pybombs
Then I used ./pybobms env
source /opt/gnuradio/pybombs/setup_env.sh (sometimes I have to rerun this to get the GRC to open, not sure what I'm doing to undo this command)
Then I created the folder, /home/username/Thesis/OOT
I then used gr_modtool newmod ACK
Then /home/username/Thesis/OOT/gr-ACK gr_modtool add -t general check
altered the QA file
rewrote the check_impl.cc file
Created the build folder(/home/username/Thesis/OOT/gr-ACK/build
ran cmake ../
ran make
ran make test
Everything passed(after some debugging, array indices start at 0 btw)
I then ran gr_modtool makexml check in the gr-ACK folder
Then cd build
sudo make install
sudo ldconfig
gnuradio-companion
And I can't find my module or block.
I have a feeling that I'm still installing gnuradio or my OOT blocks in the wrong places, but I'm not sure how to remedy it.
*********check_impl.cc***********
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gnuradio/io_signature.h>
#include "check_impl.h"
namespace gr {
namespace ACK {
check::sptr
check::make()
{
return gnuradio::get_initial_sptr
(new check_impl());
}
/*
* The private constructor
*/
check_impl::check_impl()
: gr::block("check",
gr::io_signature::make(1,1, sizeof (float)),
gr::io_signature::make(1,1, sizeof (float)))
{}
/*
* Our virtual destructor.
*/
check_impl::~check_impl()
{
}
void
check_impl::forecast (int noutput_items, gr_vector_int &ninput_items_required)
{
ninput_items_required[0] = noutput_items;
}
int
check_impl::general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const float *in = (const float *) input_items[0];
float *out = (float *) output_items[0];
// Do <+signal processing+>
// Tell runtime system how many input items we consumed on
// each input stream.
for(int i = 0; i < noutput_items ;i++)
{
out[i] = in[i] * 2;
}
consume_each (noutput_items);
// Tell runtime system how many output items we produced.
return noutput_items;
}
} /* namespace ACK */
} /* namespace gr */
***********qa_check.py**********************
#!/usr/bin/env python
from gnuradio import gr, gr_unittest
from gnuradio import blocks
import ACK_swig as ACK
class qa_check (gr_unittest.TestCase):
def setUp (self):
self.tb = gr.top_block ()
def tearDown (self):
self.tb = None
def test_001_check (self):
src_data = (3, 4, 5.5, 2, 3)
expected_result = (6, 8, 11, 4, 6)
src = ""
sqr = ACK.check()
dst = blocks.vector_sink_f()
self.tb.connect(src,sqr)
self.tb.connect(sqr,dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result,result_data,6)
if __name__ == '__main__':
gr_unittest.run(qa_check, "qa_check.xml")
I really appreciate all of your time,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
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