Experimental Physics and
Industrial Control System

Mark Rivers <[email protected]> · Mon, 25 Jul 2016 11:45:33 +0000

Why is StreamDevice slow to transfer the data?  I don't think that should be the case, StreamDevice should be able to go as fast as any other software.  I think the simplest solution would be to figure out why StreamDevice is slow for you.

Mark

________________________________
From: [email protected] [[email protected]] on behalf of Silver [[email protected]]
Sent: Monday, July 25, 2016 6:34 AM
To: tech-talk
Subject: may I start a pcaspy ioc together with a streamdevice ioc?

hi, all

  I have a normal streamdevice ioc which controls power supply via ethernet. Now I want to add a function to send large waveform data (about 10000 floats) to power supply. If I just use streamdevice to transfer the data, the speed is slow and can't satisfy my requriement.
  I with to use pcaspy to creat another ioc as it can supply a pv to a client, for example, which inform to send data by a pv write, then the pcaspy ioc will send the data to power supply by ethernet. so I have two questions:
1. how to use the same socket of streamdevice? power supply controller has only one socket server. (during data transfer, I can stop the streamdevice db processing)
2. how to hook up the pcaspy ioc together with streamdevice ioc? (if I don't want to use procServ or inet, etc.)
  thanks a lot for your help.

________________________________
Best wishes
Geyang 2016-07-25

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System