Hi Colby, Based on what you said, is that means, at Tx side, the encoded data stream from encoder should also be loaded into gr.msg_queue() and applies delete_head() funtion?
Thank you, Milo On Tue, Aug 25, 2009 at 8:08 PM, Colby Boyer <colby.bo...@gmail.com> wrote: > Within the BBN RX side, all the processing blocks are stuck together so > that data "streams" from each block to the next. In the final block, when a > packet is successfully decoded it is loaded in a message queue. The loading > into the message queue is done within the C++ code, not the python. > > There is another thread running that will sleep on an empty queue and will > not wake up until something is inserted into the queue. When a message > enters the queue, the thread wakes up, takes out the message and then prints > it out via a call back function. > > Check the source code for the message queue to see if there is another > function to add a message. > > Thanks, > Colby > > > On Tue, Aug 25, 2009 at 8:08 AM, Ulrika Uppman <ulrika.upp...@foi.se>wrote: > >> Hi everyone, >> I'm trying to get a grip of how the software code works in gnuradio. At >> the moment I'm looking at the bbn 802.11b rx implementation. >> >> I would like to understand how the data stream is transported from the >> usrp source block and further to the rest of the processing blocks that are >> connected together. There is a message queue involved, but how and where is >> the data added to the queue? Is there another way of putting data in the >> message queue than using the inset_tail function? >> >> I have read the general documentation on how the gnuradio code is built by >> David Shen, and I have also been reading the gr code, but I still can't seem >> to figure it all out. Can someone please point me in the right direction on >> where to look for this kind of documentation? >> >> Thanks! >> /Ulrika >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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