Re: [Discuss-gnuradio] Difference between run and start/stop commands

2005-12-14 Thread mjquinn
I have a question regarding this -1 (or EOF) termination method. Let's assume that we have a simple graph consisting of gr.file_source a filter usrp_sink Say gr.file_source outputs the contents of the file and then returns with -1 what happens next? What does the next block (ie, filter) do? wil

[Discuss-gnuradio] Difference between run and start/stop commands

2005-12-09 Thread mjquinn
I know that the best method for correlating a is to use the new GMSK code. However, I am trying to understand the difference between the run and start/stop/wait commands and also gain additional insight into the simple_correlator function. When I try to run the below code using the fg.run com

[Discuss-gnuradio] Help using lfsr_32k with the USRP

2005-11-19 Thread mjquinn
I have a program where I want to transmit a lfsr_32k_source_s and check the accuracy of the data that is received using check_lfsr_32k_s. The program works as expected if I connect the output of the transmitter directly to the receiver in the software, i.e. fg.connect(tx_processing, tx_output) fol

[Discuss-gnuradio] Help using simple_framer and simple_correlator

2005-11-16 Thread mjquinn
In order to gain a better understanding of how the simple_framer and the simple_correlator work, I am trying to implement the following code. However, when I run the program, I don't get any output. I'm not sure what I'm doing incorrectly. Once I determine my error, I am also interested on how t