Subject: |
Re: help setting up XY table control with EPICS StreamerClass |
From: |
Ralph Lange <[email protected]> |
To: |
EPICS Tech Talk <[email protected]> |
Date: |
Fri, 21 Jun 2013 11:39:02 +0200 |
Hi Christian,
On Fri Jun 21 2013 11:07:38 GMT+0200 (CEST), Christian Pauly
<[email protected]> wrote:
> No, only one motor can move at a time.
> But i thought it is "bad style" to do this synchronous with such large
> delays ? ( I had to define huge timeouts in the protocol to get it
> work...)
This rule of not doing synchronous device support for devices with long
delays applies to writing device support.
If you are using StreamDevice (which I assume), your device support is
not synchronous - StreamDevice and ASYN support below are working
asynchronously and take care of the gory details for you.
The port that you are communicating with will be locked while a protocol
(like your move command) is running. But that is fine if the device can
only use one motor at a time.
Cheers,
~Ralph
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