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Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband |
Date: |
Mon, 8 Sep 2008 14:02:54 -0700 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Mon, Sep 08, 2008 at 04:49:23PM -0400, Brian Padalino wrote:
>
> Problems arise when you want to ensure your FIFO is not full and not
> empty. As a message passing mechanism, it works pretty well as just a
> DPRAM. As the FIFO, there are counters involved which can cause
> timing issues when dealing with asynchronous clocks.
>
> > I'm not even too concerned about the dual timestamp counters at the moment.
> > Is there any suspicion that they are ever unaligned?
>
> If it's coming from two different parts of the chip with two
> independent reset signals, then yes there is always suspicion that
> they are unaligned.
That there ever were two counters was a bug.
Eric
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, (continued)
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/07
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Brian Padalino, 2008/09/07
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/07
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Brian Padalino, 2008/09/08
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/08
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Brian Padalino, 2008/09/08
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/08
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Brian Padalino, 2008/09/08
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, George Nychis, 2008/09/08
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/08
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband,
Eric Blossom <=
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, George Nychis, 2008/09/08
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/08
- Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband, George Nychis, 2008/09/08
- RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband, Eric Schneider, 2008/09/08