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Re: [Discuss-gnuradio] GR Block Input Item Size
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] GR Block Input Item Size |
Date: |
Mon, 25 Oct 2010 16:54:16 -0700 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Oct 25, 2010 at 12:36:13PM -0700, Andrew Fong wrote:
> Hi,
>
> I want to create a block that requires 10000 input items and
> produces 10000 output items on a single stream. However, I'm
> getting the following message: sched: <gr_block lfm_demod_cf (8)> is
> requesting more input data
> than we can provide.
> ninput_items_required = 10000
> max_possible_items_available = 8191
> If this is a filter, consider reducing the number of taps.
>
> How do I get the block to operate as I want? I thought inheriting
> from gr_sync_block with 1:1 input/output rate would work, but it
> doesn't seems to be the case.
>
> Andrew
If you require 10,000 input items at a time, you must
call set_output_multiple(10000) in your constructor.
Eric