Continuous data streaming to & from PC

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tech62
Posts: 29
Joined: Wed Mar 29, 2017 12:31 pm

Continuous data streaming to & from PC

Post by tech62 » Wed Mar 29, 2017 12:51 pm

Hi,
New to RP and was looking for some hints on this project.
I'm wanting to continuously stream data from PC to both fast DACs and at the same time stream data from both ADCs to the PC. Processing of data is handled on the PC in both cases and the data rate would be 100ksps both ways.
Has something like this been done before that I can refer to ?
Would it be best to connect via USB or Ethernet to the PC ?
Will this involve changing the FPGA or can SCPI handle this ? ...I think not.
Could someone with experience with RP make some general suggestions as to the best direction for me to start investigating ?
Thanks for any suggestions.

pavel
Posts: 516
Joined: Sat May 23, 2015 5:22 pm

Re: Continuous data streaming to & from PC

Post by pavel » Wed Mar 29, 2017 1:08 pm

I'm wanting to continuously stream data from PC to both fast DACs and at the same time stream data from both ADCs to the PC. Processing of data is handled on the PC in both cases and the data rate would be 100ksps both ways.
It can be done with the SDR transceiver application:
http://pavel-demin.github.io/red-pitaya ... ransceiver
http://bazaar.redpitaya.com/

Here are some examples of the PC side code:
https://github.com/pavel-demin/red-pita ... _pitaya.py
https://github.com/osmocom/gr-osmosdr/t ... /redpitaya
https://github.com/pothosware/SoapyRedP ... Pitaya.cpp
Would it be best to connect via USB or Ethernet to the PC ?
Ethernet

tech62
Posts: 29
Joined: Wed Mar 29, 2017 12:31 pm

Re: Continuous data streaming to & from PC

Post by tech62 » Thu Mar 30, 2017 1:56 pm

Thanks very much.
I will head in this direction and see how I go.

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