On Jun 15, 2006, at 2:03 AM, Eric Blossom wrote:
On Thu, Jun 15, 2006 at 12:51:05AM -0400, David Lapsley wrote:
On 6/14/06 2:24 PM, "Michael Dickens" <[EMAIL PROTECTED]> wrote:
p68, 4.8.1; and p74, 4.8.4: How can an m-block have zero ports? I
thought that all data / metadata / signals / whatever were
transported via these ports. Without a port of any type, what
can an
m-block do?
Not much! This is a bug. I'll fix it.
Actually an m-block could have zero external ports with no problem.
In fact that's exactly what the top level m-block looks like ;)
OK, I'll bite. How does data get into or out of something with zero
external ports? Via internal ports? So, e.g., a source could be
made internal-only, and connect internally to other m-blocks, and
eventually drop to an internal-only sink? Are there any advantages
to setting up this way versus using a single m-block per signal-
processing concept (source, processing, sink)? IMHO it would be
helpful to have a quick example in the text, just to be (more)
complete. - MLD
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