Eric Blossom wrote: > On Thu, Dec 08, 2005 at 04:54:16PM +0100, Martin Dvh wrote: > >>The new halfbandfilter stuff broke the debug_counter. >>I think this minipatch is the solution. >>I found this because I also use a counter in the fpga and it broke when I >>updated my sourcetree. > > > Thanks! > > >>I also wonder why all the resets are removed. >>Are all the registers reset in another way now? > > > They weren't *all* removed. Just the ones that were causing a problem. > The right answer is to add yet another reset signal that handles all > the rest, and just toggle that one after the FPGA is loaded. It's a > little bit complicated since the FX2 code has some knowledge of those > particular registers. > > Currently we are running with two resets: tx_dsp_reset and rx_dsp_reset. > These are designated to reset the appropriate half of the signal > processing chain in the FPGA. This includes the corresponding FIFO. > > In the past, they were also resetting the control registers (FR_*) that were > also sort of associated with that half of the signal processing. That > was the behavior that was wrong. Just because you wanted to reset the > FIFO, didn't mean that you wanted to completely hose all of the rest > of the configuration. > We also had a problem where one of the resets was > resetting the register that contained the resets... That was why > initializing the Rx was hosing the Tx, or vice-versa (don't recall > which way it went.) Yes, I found this when I tried to use rx_dsp_reset for the synchronisation. > > In the mean while, the registers that matter to me are getting zeroed > from the host code. Could you give a quick pointer to where you do this, (I am lazy)
> In your case, you may still want to still reset > your register with tx_dsp_reset and/or rx_dsp_reset. Depends on your needs. So, rx_dsp_reset is still sent? On opening the usrp, or on starting the stream? greetings, Martin _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
