Thanks for your kind help. BTW, is there a proven Flowgraph that can send qtgui_edit_box_msg or discontinous data through a channel?
2017-08-29 18:32 GMT+03:00 Dan CaJacob <dan.caja...@gmail.com>: > 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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