Or add fill bytes/frames, since this sounds rather like a streaming modem. On Tue, Aug 29, 2017 at 11:17 AM Marcus Müller <muel...@kit.edu> wrote:
> Then, you very likely want to pad your data with zeros; there's Tim > O'Shea's gr-eventstream, which is designed for that operation! > > Best regards, > > Marcus > > On 08/29/2017 04:34 PM, Mehmet Ozcelebi wrote: > > I just want to transmit scrambled data continously, even if there is no > input data. > For continous sources like "Vector source" it works fine since data flows > continously. > For source like qtgui_edit_box_msg or a few characters from TCP/IP or > Message Strobe,modulation occurs only if input data is present and this is > not wanted. I am missing something but do't know what. > > > 2017-08-29 15:41 GMT+03:00 Marcus Müller <muel...@kit.edu>: > >> Hi Mehtap, >> >> unlike your FPGA, the GNU Radio blocks don't work data-synchronously. So, >> they simply won't give you any output if you don't call them with input! >> Maybe you could elaborate on what you mean with "got stuck"? >> >> So, I'm not quite sure what the problem actually is, albeit I'm pretty >> sure your solution isn't really the solution. >> >> Best regards, >> >> Marcus >> >> On 08/28/2017 09:54 PM, mehtap özkan wrote: >> >> Some years ago I implemented a scrambler block in FPGA for a transmitter. >> It produced an output every clock cycle. >> Now I try the GNU Radio scrambler/descrambler blocks. They work great if >> the data flows continously like from a Vector source or File. >> However if I have a discontinous source like a text message or a TCP/IP >> Source, the scrambler got stuck and has no output. In others words I need >> something analogous to a CLOCK for discontinous sources. >> How to achieve that? Maybe XORing the discontinous source with a source >> of 0's produced at "sample rate"? >> Thanks for your time. >> >> >> _______________________________________________ >> Discuss-gnuradio mailing >> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Very Respectfully, Dan CaJacob
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