Johnathan Corgan wrote:
> On Sat, 2009-05-16 at 03:44 +0200, Changkyu Seol wrote:
>
> These calls are now visible (as of trunk r11050) in the Python API as:
>
> from gnuradio import usrp2
>
> u = usrp2.source_32fc() # any of the sinks or sources
> u.sync_every_pps(
ransmitted from multiple USRP2. Since the samples are discarded when
the samples arrive later than the preset timestamp value, I use
"sync_every_pps" and set timestamp value to in order to
guarantee transmission of the
frame.
Changkyu Seol
value, I use "sync_every_pps" and set
timestamp value to 9999 in order to guarantee transmission of the
frame.
Changkyu Seol
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athan
Thank you very much for such quick update.
The flipping problem is resolved with updated firmware.
Changkyu Seol
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Matt Ettus wrote:
> Yongsang Kim wrote:
>
> What you are seeing are normal transmitter non-idealities, including DC
> offset (aka carrier feedthrough), and IQ imbalance (aka sideband
> suppression. These can be improved through tuning, but they are not bad
> as is. Also, on the XCVR you are seei
Changkyu Seol wrote:
> Matt Ettus wrote:
> Thank you for the files.
> I tested as you suggested with firmware and fpga files you sent me and
> it is locked!! I used it other USRP2s and all worked fine.
>
> I modified and compiled "txrx.c" in gnuradio (revision
Matt Ettus wrote:
> Changkyu Seol wrote:
>
> If you had a real email address, I would send you some code to try.
>
> Matt
Thank you for the files.
I tested as you suggested with firmware and fpga files you sent me and
it is locked!! I used it other USRP2s and all worked fine.
Matt Ettus wrote:
> Changkyu Seol wrote:
>
> If you had a real email address, I would send you some code to try.
>
> Matt
I sent you an email in order to let you know my email address.
Changkyu Seol
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Matt Ettus wrote:
> Are you sure you have a 10 MHz reference and not some other frequency?
>
> Matt
Yes.
I also have tested with a function generator.
Changkyu Seol
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Matt Ettus wrote:
> The easiest way to check for lock is to put the following line in your
> firmware:
>
> clocks_enable_test_clk(true,10);
>
> This will output a test clock on the middle 2 pins of the 4 pin
> connector right near the VCXO on the motherboard. Look at one of those
> 2 pins on a
0))" doesn't change anything.
(I did update the fpga programming file and the firmware in SDcard.)
Am I missing something? Any comments will be appreciated.
Changkyu Seol
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rvell Yukon 88E8039 PCI-E Ethernet?" Is there anything that I can try
to get those working? Any comments would be appreciated.
Changkyu Seol
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Karthik Vijayraghavan wrote:
>
> You need the GNU scientific library "gsl" package since it is a
> pre-requisite for installing gnuradio,
> http://www.gnu.org/software/gsl/
>
> Karthik
I mentioned that I have already installed GSL.
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gnuradio-core requires package gsl, not found.
Not building component gnuradio-core.
.
.
.
I am using fedora 6. Any guidance or comments will be appreciated.
Changkyu Seol
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