[Discuss-gnuradio] Question on signal processing block: input buffer size

2011-06-17 Thread Colby Boyer
Hi All, Anyone know how many bytes a signal processing block can buffer at the input before an overflow occurs? --Colby ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Question about USRP2 transmitter with OFDM packet.

2011-06-17 Thread 周亮
Hi, One weeks ago I downloaded OFDM program (modified for USRP2, from Veljko Pejovic ) and tested with it. I got a problem when I used USRP2 to transmit OFDM packets. When I transmit continuous OFDM signals the receiver only receive some pieces of packet. So I tried to test with one packet.

Re: [Discuss-gnuradio] how to remove/suppress gr_buffer::allocate_buffer: warning:

2011-06-17 Thread Johannes Schmitz
Hello Martin, I will check my code to find out why it is so big. Is there an easy way to somehow suppress this warning in case I am willing to ignore it? Johannes 2011/6/17 Martin Braun : > On Fri, Jun 17, 2011 at 03:42:07PM +0200, Johannes Schmitz wrote: >> I am getting the following warning wh

Re: [Discuss-gnuradio] Help: CIR measurement problems using usrp_sounder.py

2011-06-17 Thread Rickard Radio
On Jun 15, 2011, at 4:51 PM, Johnathan Corgan wrote: > On Wed, Jun 15, 2011 at 00:22, Martin Braun wrote: > > IIRC, the bottom line was that no, gr_sounder is not really useful. In > particular, it has no means of synchronisation and therefore the result > is too noіsy to be useful. > Should

[Discuss-gnuradio] how to remove/suppress gr_buffer::allocate_buffer: warning:

2011-06-17 Thread Johannes Schmitz
I am getting the following warning when running my script: gr_buffer::allocate_buffer: warning: tried to allocate 4 items of size 88192. Due to alignment requirements 32 were allocated. If this isn't OK, consider padding your structure to a power-of-two bytes. On this platform, our al

[Discuss-gnuradio] UCLA ZigBee install on Win

2011-06-17 Thread Pascal Matthieu
Hi,     I would like to ask you if anybody could install Ucla Zigbee on Windows OS? The problem is that I don't really know how it has to be installed and I couldn't find any article about this only some ideas regarding the installation on Linux. Somehow I will understand the code for CC1000 tr

Re: [Discuss-gnuradio] Maximum Frequency Hopping speed of the Ettus Transceiver RF frontends

2011-06-17 Thread Sergio Benco
Dear Matt Ettus, I have noticed that I can modify the member function: usrp2_source_base::set_center_freq(double frequency, usrp2::tune_result *tr) by replacing the default: usrp2::impl::transmit_cmd_and_wait(void *cmd, size_t len, pending_reply *p, double secs) with the version without a