Hi Paul,

Thanks for the quick response. The RPi 3 had enough processing power to
receive a message using gr-ieee802.15.4 from a ZigBee chip in real-time. I
believe I'm running the Wifi also in real-time, is there a way to do it in
non-real time instead?

Thanks,

Eric Yates

On Mon, Dec 12, 2016 at 12:58 PM, Garver, Paul W <garv...@gatech.edu> wrote:

> I would be shocked if the Raspberry Pi 3 has the processing power to run
> gr-ieee80211. Are you attempting to do this real-time?
>
> PWG
>
> On Dec 12, 2016, at 10:31 AM, Eric Yates <e...@lexistartup.com> wrote:
>
> Hello,
>
> I'm running gr-ieee802.11 on a Raspberry Pi 3 running Raspbian. I'm
> connected to a bladeRF and running GRC 3.7.10. At this point, I want to
> sniff WiFi packets to demonstrate the bladeRF working with receiving WiFi
> from say a router or laptop (no transmission yet). I'm using the 2.4GHz
> band with 20MHz bandwidth because bladeRF does not go up to the 5GHz band.
>
> In the WiFi RX example, I only changed the USRP Source to a Osmocom Source
> block. In this example, it appears Wireshark has been connecting to GRC via
> the /tmp/wifi.pcap pipe because the Wireshark capture session closes when I
> kill the WiFi RX script. The constellation and time graphs both work, but I
> do not see any packets in Wireshark no matter the channel. Executing the
> script produces no errors, it just doesn't capture packets.
>
> I thought the FFT block might be to blame because it had no documentation
> for it while all the other blocks did. I reinstalled fftw3 (v. >3) and it
> didn't update the documentation. osmocom_fft also works, so I don't think
> the FFT block is the problem but I wonder why it's missing documentation.
> Then, I reinstalled gnuradio and gr-ieee802.11 both after making sure the
> necessary dependencies were met for both. Still no changes. Wireshark
> receives packets from the WiFi Loopback example sent by the message strobe
> perfectly fine.
>
> I would greatly appreciate any insights you have into why Wireshark is not
> receiving any WiFi packets from the bladeRF using the WiFi RX example. Do
> you have any ideas of what's going on or would you need any more
> information?
>
> Thank you,
>
> Eric Yates
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