Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-14 Thread trracer dangly
I managed to find a solution to this. I create a ram filesystem (tmpfs) and dump fixed length files there with gnuradio. I then move the files when they are complete to a persistent drive using another script. I don't know why I didn't think of this before. juha Can you elaborate on this please?

[Discuss-gnuradio] Variable propagation delays

2014-03-12 Thread trracer dangly
Hello, My application requires very consistent propagation delays from TX to RX between measurements (within 1 sample or so). I am seeing some odd behavior and could use a little help. My flowgraph is as follows: Vector source - Frequency mod - USRP sink USRP source - Head - File sink (The

[Discuss-gnuradio] File source and seek()

2014-03-10 Thread trracer dangly
Hello, I am having some trouble getting the seek() function in the file source to work. My program has a non-repeating file source, and a GUI button with the callback function set_button(). In the callback I have written the below code, which should reset the file source to the beginning of the