Re: [Discuss-gnuradio] set_auto_tr(), gr_stall, and PTT

2008-01-08 Thread Matt Ettus
Michael Dickens wrote: On Dec 29, 2007, at 4:03 PM, Matt Ettus wrote: Your message stated you wanted to do "simultaneous TX/RX". If you want to switch back and forth, then you do not want simultaneous, which is a good thing. You want to use the auto t/r switching mode. Just to clarify, and

Re: [Discuss-gnuradio] Question regarding vector_sink_c

2008-01-08 Thread Eric Blossom
On Tue, Jan 08, 2008 at 08:26:43PM -0800, Wee Shinhan wrote: > Hi guys, > > I'm using the vector_sink block to capture complex > data from the receiver USRP (in the hope to be able to > predict the wireless channel coeff) I printed the > recevied complex data using the rx_callback function > in re

[Discuss-gnuradio] Question regarding vector_sink_c

2008-01-08 Thread Wee Shinhan
Hi guys, I'm using the vector_sink block to capture complex data from the receiver USRP (in the hope to be able to predict the wireless channel coeff) I printed the recevied complex data using the rx_callback function in receive_path.py script. The problem is the vector_sink produces endless amoun

Re: [Discuss-gnuradio] Packet via USB

2008-01-08 Thread Eric Blossom
On Tue, Jan 08, 2008 at 04:10:46PM +0100, [EMAIL PROTECTED] wrote: > Hi, > I've observed that all URB allocated in the Tx side are correctly proccesed. > For example: > Data -> 25 Byte (from a mpg file) > Total payload -> 80 Byte (Data + CRC + Padding + Header + ) > > Total Byte to transfer wi

Re: [Discuss-gnuradio] Packet via USB

2008-01-08 Thread pilla
Hi, I've observed that all URB allocated in the Tx side are correctly proccesed. For example: Data -> 25 Byte (from a mpg file) Total payload -> 80 Byte (Data + CRC + Padding + Header + ) Total Byte to transfer with a BPSK modulator -> 80 * 8 (bit of a char) * 6 (sample per symbol) * 4 (Byte -