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Re: [Discuss-gnuradio] FILE SINK Binary file error


From: Marcus Müller
Subject: Re: [Discuss-gnuradio] FILE SINK Binary file error
Date: Thu, 21 Apr 2016 16:57:23 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

Hi Ernest,

that question is asked pretty frequently, so here is a FAQ:

https://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#What-is-the-file-format-of-a-file_sink-How-can-I-read-files-produced-by-a-file-sink

Best regards,
Marcus

On 21.04.2016 15:47, ERNEST MATEY wrote:
‎Hi Experts,

I attached the output of my file sink. 
I was expecting a chain of binaries. 
I want to plot this on matlab. 
File - Source can replay this signal though
But how I can I see the binary chain? Is this what is should be. All I see are strange letters.  
What is happening 

Thank you
Ernest.  

Sent from my BlackBerry 10 smartphone.
From: Richard Bell
Sent: Friday, April 15, 2016 3:44 AM
Subject: [Discuss-gnuradio] gr-osmosdr python question

I'm new to using gr-osmosdr and I'm trying to implement the equivalent set of USRP function calls for a HackRF

set_center_freq(target_freq)
get_sensor("lo_locked")

which amounts to measuring how long it takes to command a frequency change and lock at the new frequency.

The set_center_freq function happens to be the same, but I don't know where to find documentation or example code that shows the get_sensor equivalent, or if it's even needed. Would someone direct me to an API manual for gr-osmosdr, or source code that defines these things?

Thanks,
Rich




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