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[Discuss-gnuradio] a reconfiguring the flow graph question
From: |
Stephen |
Subject: |
[Discuss-gnuradio] a reconfiguring the flow graph question |
Date: |
Sat, 16 Jun 2012 09:18:36 -0500 |
User-agent: |
Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 |
Hi,
I have several processing chains I need to switch in and out of my flow
graph. What I have is several chains that look like
filter1->quad_demod1-> ...
filter2->quad_demod2-> ...
Can I not connect the chains together first and then just switch them in
and out ?
Say chain 2 was the one connected to the source as
usrp_source -> filter2 -> ...
Can I not switch to chain 1 by
top_block->lock();
top_block->disconnect(usrp_source, 0, filter2, 0);
top_block->connect(usrp_source, 0, filter1, 0);
top_block->unlock();
When I try to connect the chains together at startup I'm getting a seg
fault with the following line. Its the first line where I connect the
first chain together.
top_block->connect(filter1, 0, quad_demod1, 0);
What am I not understanding about this?
thanks
Steve
- [Discuss-gnuradio] a reconfiguring the flow graph question,
Stephen <=