I executed $gr_modtool makexml square2_ff before. So the content in
/gr-howto/grc/howto_square2_ff.xml
should be correct. As you pointed that <param> stuff should be removed, I
also did $gr_modtool makexml square_ff. Now the content in
/gr-howto/grc/howto_square_ff.xml
is shown below. Although I did $make install and $sudo ldconfig, I still
cannot see the block on GRC...
<block>
<name>Square ff</name>
<key>howto_square_ff</key>
<category>HOWTO</category>
<import>import howto</import>
<make>howto.square_ff()</make>
<sink>
<name>in</name>
<type>float</type>
</sink>
<source>
<name>out</name>
<type>float</type>
</source>
</block>
On Wed, May 28, 2014 at 4:25 PM, Alfredo Muniz <[email protected]>wrote:
>
> On Wed, May 28, 2014 at 1:01 PM, Pengyu Zhang <[email protected]> wrote:
>
>> After I executed the commands specified by the tutorial, I did not see
>> any HOWTO blocks when I boot the GRC using $gnuradio-companion
>
>
> If all the tests pass then this usually means there is a problem with your
> xml files. You should remove <param> and everything in it as those ...
> aren't allowed. Also sudo ldconfig
>
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