Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-04 Thread Alexander Chemeris
On Wed, May 4, 2011 at 17:05, Philip Balister wrote: > We should move this to the usrp-users list since this has no gnuradio > content. I've added it to the cc list. > > On 05/04/2011 02:01 AM, Alexander Chemeris wrote: >> >> Philip, >> >> On Wed, May 4, 2011 at 01:03, Philip Balister  wrote: >>>

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-04 Thread Philip Balister
We should move this to the usrp-users list since this has no gnuradio content. I've added it to the cc list. On 05/04/2011 02:01 AM, Alexander Chemeris wrote: Philip, On Wed, May 4, 2011 at 01:03, Philip Balister wrote: On 05/03/2011 11:25 AM, Alexander Chemeris wrote: Hi Josh, Philip, On

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-04 Thread Philip Balister
On 05/04/2011 02:03 AM, Alexander Chemeris wrote: On Wed, May 4, 2011 at 02:33, Josh Blum wrote: 4) Be sure to tell UHD you want integer samples. I'm thinking even then UHD has to swap IQ for historical reasons. (Josh, help?) There is a copy-conversion operation between kernel buffer memo

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Alexander Chemeris
On Wed, May 4, 2011 at 02:33, Josh Blum wrote: > >> >> 4) Be sure to tell UHD you want integer samples. I'm thinking even then >> UHD has to swap IQ for historical reasons. (Josh, help?) >> > > There is a copy-conversion operation between kernel buffer memory and > user memory. If the user request

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Alexander Chemeris
Philip, On Wed, May 4, 2011 at 01:03, Philip Balister wrote: > On 05/03/2011 11:25 AM, Alexander Chemeris wrote: >> >> Hi Josh, Philip, >> >> On Sat, Apr 23, 2011 at 17:05, Philip Balister >>  wrote: >>> >>> On 04/22/2011 07:05 PM, Almohanad Fayez wrote: I've always wondered about the d

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Josh Blum
> > 4) Be sure to tell UHD you want integer samples. I'm thinking even then > UHD has to swap IQ for historical reasons. (Josh, help?) > There is a copy-conversion operation between kernel buffer memory and user memory. If the user requests complex shorts, I believe the conversion is the equiva

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Philip Balister
On 05/03/2011 11:25 AM, Alexander Chemeris wrote: Hi Josh, Philip, On Sat, Apr 23, 2011 at 17:05, Philip Balister wrote: On 04/22/2011 07:05 PM, Almohanad Fayez wrote: I've always wondered about the design difference between the E100 and the work you did with Chris Anderson's board ... now I

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Colby Boyer
Check top when running a simple data sink or source. If the CPU is pegged, maybe that is the limiter, if not there is a memory bottle neck somewhere. On Tue, May 3, 2011 at 8:25 AM, Alexander Chemeris wrote: > Hi Josh, Philip, > > On Sat, Apr 23, 2011 at 17:05, Philip Balister wrote: >> On 04/22

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-05-03 Thread Alexander Chemeris
Hi Josh, Philip, On Sat, Apr 23, 2011 at 17:05, Philip Balister wrote: > On 04/22/2011 07:05 PM, Almohanad Fayez wrote: >> >> I've always wondered about the design difference between the E100 and the >> work you did with Chris Anderson's board ... now I know.  BTW where do you >> have your driver

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-04-23 Thread Philip Balister
E100 this summer. al fayez -Original Message- From: Philip Balister To: GNURadio Discussion List Sent: Fri, Apr 22, 2011 6:29 pm Subject: Re: [Discuss-gnuradio] User experience with E1x0 boards On 04/22/2011 06:00 PM, Almohanad Fayez wrote: I haven't worked with the E100

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-04-22 Thread Almohanad Fayez
h. I want to get acquainted with what you did in hopes that I can get hold of an E100 this summer. al fayez -Original Message- From: Philip Balister To: GNURadio Discussion List Sent: Fri, Apr 22, 2011 6:29 pm Subject: Re: [Discuss-gnuradio] User experience with E1x0 boards On 04/

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-04-22 Thread Philip Balister
t I'm focusing on and willing to help people to get started on. al fayez -Original Message- From: Colby Boyer To: GNU Radio Discussion Sent: Fri, Apr 22, 2011 5:43 pm Subject: [Discuss-gnuradio] User experience with E1x0 boards Hi All, My lab is interested in purchasing some USRP

Re: [Discuss-gnuradio] User experience with E1x0 boards

2011-04-22 Thread Almohanad Fayez
pm Subject: [Discuss-gnuradio] User experience with E1x0 boards Hi All, My lab is interested in purchasing some USRPs. It is pretty settled hat some of the boards will be the N2x0 series, but I am interested o hear from people who have used the E1x0 boards. From what I can ell, the E1x0 board sho

[Discuss-gnuradio] User experience with E1x0 boards

2011-04-22 Thread Colby Boyer
Hi All, My lab is interested in purchasing some USRPs. It is pretty settled that some of the boards will be the N2x0 series, but I am interested to hear from people who have used the E1x0 boards. From what I can tell, the E1x0 board should have better latency performance than the N2x0 and should h