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Re: [Discuss-gnuradio] inband packet encoding/decoding daemon

From: George Nychis
Subject: Re: [Discuss-gnuradio] inband packet encoding/decoding daemon
Date: Wed, 28 Mar 2007 20:19:24 -0400
User-agent: Thunderbird 2.0b2 (X11/20070305)

Eric Blossom wrote:
Hi George,

(Yes, I know you're waiting for me...  More later on today)

On Mon, Mar 26, 2007 at 04:02:48PM -0400, George Nychis wrote:
So from what I understand, a daemon has been suggested for inband packet encoding and decoding that is implemented as an m-block which can be connected in a flow graph for the encoding/decoding and interfacing with the USRP. Is this correct?

Right, except for the flow graph part.

Actually, let me jump back a second here then... what I want to make sure I understand is how an m-block knows that it needs to connect to the daemon and forward its m-block packets to be converted in to USB packets and they are sent across the wire

would include ways for mblock messages to get sent into the flow
graph (similar to gr.message_source) and to convert the output of the
flow graph into mblock messages (similar to gr.message_sink).

So I get this part, I get the part about converting the output in to m-block messages, I'm wondering how these m-block messages are picked up by the daemon? Since we are using some sort of IPC, do we have some sort of queue that these messages just get dumped in and the daemon can pull messages out of the queue and encode+forward them?

- George

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