Yes.
I had the "ctrl" sink declared as "<type>$type</type>" in my build (V3.2.2
built from the tarball).
I guess it has
been corrected now.
Thanks
Alberto
On Fri, 2010-05-28 at 17:05 -0700, Josh Blum wrote:
This is the sample and hold c++
io signature:
>
> @NAME@::@NAME@ ()
> : gr_sync_block ("@BASE_NAME@",
> gr_make_io_signature2 (2, 2, sizeof
(@I_TYPE@), sizeof(char)),
> gr_make_io_signature (1, 1, sizeof (@O_TYPE@))),
> d_data(0)
> {
> }
>
> this
is the grc xml block io signature:
>
> <sink>
> <name>in</name>
> <type>$type</type>
> </sink>
> <sink>
>
<name>ctrl</name>
> <type>byte</type>
> </sink>
> <source>
> <name>out</name>
> <type>$type</type>
> </source>
>
> Looks correct?
> -Josh
>
>
> On 05/28/2010 03:32 PM, Alberto Trentadue wrote:
> > Hello
> >
> > I think I found
a wrong input declaration in the sample_and_hold GRC block.
> > The "control" input is defined to be
> > of the same
data type of "in" and "out". Instead, it should be a byte.
> >
> > This is the fix I have applied:
> >
> >
> >
[albe...@iz0cez gnuradio]$ diff -c
./share/gnuradio/grc/blocks/gr_sample_and_hold_xx.xml.orig .
> >
/share/gnuradio/grc/blocks/gr_sample_and_hold_xx.xml
> > *** ./share/gnuradio/grc/blocks/gr_sample_and_hold_xx.xml.orig
> > 2010-05-28 23:29:32.953460291 +0200
> > --- ./share/gnuradio/grc/blocks/gr_sample_and_hold_xx.xml 2010-05-28 23:
29:
> > 57.655461060 +0200
> > ***************
> > *** 40,46 ****
> > </sink>
> > <sink>
> >
<name>ctrl</name>
> > ! <type>$type</type>
> >
> > </sink>
> > <source>
> > <name>out</name>
> > ---
40,46 ----
> > </sink>
> > <sink>
> > <name>ctrl</name>
> > !
> > <type>byte</type>
> > </sink>
>
> <source>
> > <name>out</name>
> >
> > BTW: what is the need to use a "char" as control in the
> >
correspondent gr block?
> >
> > Moreover, it seems to me that the Documentation is wrong, because the block
> > samples the
input
> > when the ctrl is 1, and holds when is 0, not the opposite.
> > Do you agree?
> >
> > Alberto-
> >
> >
> >
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> >
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> >
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> >
> > _______________________________________________
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gnuradio
>
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