Re: [Discuss-gnuradio] IEEE 802.11 a

On 29 Dec 2013, at 15:21, Naveen Gupta <naveen.ec26@gmail.com> wrote:

> First of all thanks for your suggestion,
> I am using gnuradio 3.7 & started installation of ieee 802.11 from https://github.com/bastibl/gr-ieee802-11 During installation of log4cpp & IT++ for sudo port install log4cpp I was getting sudo:port:command not found. After successful installation of gr_ieee802.11, when I was running example ofdm_loopback.grc, it is not showing entire blocks & giving error

If either apt-get or port worked that's fine.

> <<< Welcome to GNU Radio Companion 3.7.1-52 >>>
>
> Loading: "/home/naveen/gr-ieee802-11/examples/ofdm_loopback.grc"
> >>> Error: Block key "blocks_ctrlport_monitor_performance" not found in Platform - grc(GNU Radio Companion)

You installed GNU Radio without performance counters. This block is only for profiling, so no problem. I will remove it from the flow graphs.

> >>> Error: Block key "ieee802_11_ofdm_parse_mac" not found in Platform - grc(GNU Radio Companion)

I guess you installed the module with a different CMAKE_INSTALL_PREFIX and thus, the blocks ended up in a different directory and GRC can't find them. I added this to the Readme, please see

https://github.com/bastibl/gr-ieee802-11/commit/cee6ec82a8356db8fad7496c2617a5d3fac4b0e5

> >>> Error: Block key "ofdm_phy_hier" not found in Platform - grc(GNU Radio Companion)

You did not install the hierarchical block as Kartik wrote.

> >>> Error: Block key "ieee802_11_ofdm_mac" not found in Platform - grc(GNU Radio Companion)
> >>> Error: Block key "foo_packet_pad" not found in Platform - grc(GNU Radio Companion)
> >>> Error: Block key "foo_wireshark_connector" not found in Platform - grc(GNU Radio Companion)
> >>> Error: Connection between foo_wireshark_connector_0(0) and blocks_file_sink_0(0) could not be made.
> source block id "foo_wireshark_connector_0" not in block ids

If the some ports are still unconnected after all blocks are found please check the mailing list. This came up several times. You just need to reconnect them in GRC (don't forget to check the hierarchical block too).
>
> Please reply me asap
>

Don't panic :-)


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