That's what I'm currently doing. It's not very efficient as I have to
constantly check the file size. If I can have a counter that is increments each
time an FFT is written to the file by the flow graph I would be able to trigger
an event based on the counter value. That was my concern.
> On Sep 19, 2016, at 3:29 PM, Marcus Müller <marcus.muel...@ettus.com> wrote:
> If you need to do that externally, I'd just watch the file size and divide it
> by the item size (4B per floating point number) and by the FFT length.
> Best regards,
>> On 09/18/2016 11:21 PM, Hasini Abeywickrama wrote:
>> Hi Marcus,
>> It's like I need to start reading and processing the file after a certain
>> number of FFTs are being written to the file. For that I would need to
>> maintain a counter and I'm trying to figure out how to do it.
>>> On Mon, Sep 19, 2016 at 2:58 PM, Marcus Müller <marcus.muel...@ettus.com>
>>> What would you need that counter for? There's the 1/(FFT length) fixed
>>> relation between samples processed and numbers of FFTs done, so this is
>>> pretty much a redundant piece of info, but maybe I'm just missing the use
>>> Best regards,
>>> On 09/18/2016 10:23 PM, Hasini Abeywickrama wrote:
>>>> Hi all,
>>>> I have a GNU Radio flowgraph which uses a USRP to receive a signal,
>>>> converts it to log power FFT and then writes the result to a file, using
>>>> File Sink. I want to have a counter which increments with each FFT written
>>>> to the file.
>>>> Is there a way of maintaining and increasing count of the FFTs written to
>>>> the file, while the flowgraph is still running?
>>>> Discuss-gnuradio mailing list
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