Re: [Discuss-gnuradio] Writing RSSI Values to a File Twice/Sec

[Varun Nambiar]

Hi all,

Here's the GRC file. Any help would be appreciated!

Thank you,
Varun

________________________________________
From: Philip Balister <address@hidden>
Sent: Thursday, July 2, 2015 1:35 PM
To: Varun Nambiar; GNURadio Discussion List
Subject: Re: [Discuss-gnuradio] Writing RSSI Values to a File Twice/Sec

On 07/02/2015 11:25 AM, Varun Nambiar wrote:
> Hi Philip,
>
> At the moment of execution a file size of 32KB with just 0s is written to my 
> file and then it doesn't add anymore values after that. I am on release-2 and 
> I've attached my GRC file.

I dropped the throttle block and saw the output file get larger. Resend
the flowgraph to the list and maybe someone else has some ideas how to
make it better.

Philip


>
> Thank you,
> Varun
>
> ________________________________________
> From: Philip Balister <address@hidden>
> Sent: Thursday, July 2, 2015 11:18 AM
> To: Varun Nambiar; address@hidden
> Subject: Re: [Discuss-gnuradio] Writing RSSI Values to a File Twice/Sec
>
> On 07/02/2015 11:07 AM, Varun Nambiar wrote:
>> Hi all,
>>
>>
>> I'm new to GNURadio and I'm trying to use a USRP E310 to capture GSM signals 
>> from a cellphone and store the RSSI values in a text file. If you take a 
>> look at my flow graph I've managed to capture the average strength across 
>> the 200kHz GSM band and I'm trying to filter out the unwanted signals using 
>> the Probe Avg Mag^2 block.
>>
>>
>> I'm having trouble writing to the file sink at a constant 2 samp/sec. Could 
>> you please give me advice on how I should fix my flow graph?
>
> What kind of trouble? Can you also post the grc file so I can try it
> locally.
>
> Also, which file system image are you using? The one from the card that
> came with the unit, or release-2?
>
> Philip
>
>
>>
>>
>> Thank you,
>>
>> Varun
>>
>>
>>
>> _______________________________________________
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>>

GSM Signal Capture.grc
Description: GSM Signal Capture.grc