Is there a way to use packet_loopback_hier.grc to send a text file in other words is it possible to packetize a text file and use it? On Wed, Jun 27, 2018, 11:49 AM Müller, Marcus (CEL) <muel...@kit.edu> wrote:
> Hi Trueblues, > > the packet encoder and decoder blocks are known to be broken – that's > why they are in the "deprecated" category! It'll be gone with the next > minor release of GNU Radio, even. (same will happen to WX GUI, so > switch to Qt now!) > > So, please don't use them; I don't expect them to work. > Instead, you'll find, within the examples that came with GNU Radio¹ the > digital/packet/packet_rx.grc and digital/packet/packet_tx.grc examples. > > These I expect to work. They are hierarchical blocks, which you can > generate and through reloading of the block library also find in GRC's > block library. > > in digital/packet_loopback_hier.grc you'll find a fully fledged > transceiver – that has all the bells and whistles of a minimal > communication system, including error correction, and phase and clock > corrections. Much, much better than "packet decoder" ever has been. > > As soon as you have a rough idea what happens in the loopback flow > graph, replace the "Channel Model" with your pair of USRP sink and > source, and try it over the air :) > > As we're trying to stay atop of documentation, can I ask you how you > came to build your flow graph with the packet en- and decoder? Is it > completely a design of our own, or is there resources within our sphere > of influence that we might clean up? > > Best regards, > Marcus > > ¹typically /usr/[local/]share/gnuradio/examples > > On Wed, 2018-06-27 at 02:54 +0200, Trueblues 17 wrote: > > I'm having a problem sending a text file between two usrp 2922 > > devices. I'm running gnuradio companion on both laptops on windows. > > The FFT sink in the receiver detects an incoming signal however the > > file sink size is 0 byte.I attached both tx and rx flow graphs i > > used. I previously implemented an FM transceiver without any problems > > but when it comes to text, image and video i can't get an output > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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