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[Discuss-gnuradio] [InBand]Rx side design

From: Thibaud Hottelier
Subject: [Discuss-gnuradio] [InBand]Rx side design
Date: Mon, 11 Jun 2007 13:12:32 -0400
User-agent: Thunderbird (X11/20070429)


Here is a diagram of the Rx side.

I plan to use a fifo to cross clock domains because it's simpler than a
delay cell. Samples and commands will be stored in dual port fifos (one
per channel) A reader will poll them: if there are samples or commands,
push one single packet then poll next fifo. This should give a fair
share of the USB bandwidth to all channels/commands. I think I will be
able to reuse most of the code in the current rx_buffer that deals with
the FX2 DMA engine and the samples format, so the only task left is
building the packet itself.

Any comments, concerns ?


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