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Updated to reflect renaming of ADSC external software trigger PVs to

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generic names and renaming of External Trigger Mode.


git-svn-id: https://subversion.xor.aps.anl.gov/synApps/areaDetector/trunk@9185 dc6c5ff5-0b8b-c028-a01f-ffb33f00fc8b
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rivers
2009-08-04 18:44:23 +00:00
parent 5a674b410c
commit dc3af2d586
1 changed files with 19 additions and 19 deletions
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38
documentation/adscDoc.html
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@@ -126,9 +126,9 @@
acquisition is started.
</p>
<h3>
<tt>External</tt></h3>
<tt>Ext. Software</tt></h3>
<p>
The <tt>External</tt> mode will make the driver expose images only when told to
The <tt>Ext. Software</tt> mode will make the driver expose images only when told to
once the acquisition is started. A special protocol must be followed to trigger
each image exposure. This would normally be very simple, but because the ADSC control
library can report that an exposure did not work and should be retried after any
@@ -140,24 +140,24 @@
follows:
</p>
<ol>
<li>Wait for <tt>$(P)$(R)ADSCOkToExpose</tt> to be <tt>Yes</tt></li>
<li>Set <tt>$(P)$(R)ADSCExTrCtl</tt> to <tt>Start</tt> to start the exposure</li>
<li>Set <tt>$(P)$(R)ADSCExTrCtl</tt> to <tt>Stop</tt> to stop the exposure</li>
<li>Wait for <tt>$(P)$(R)ADSCExTrCtl_RBV</tt> to be <tt>OK</tt> or <tt>Again</tt></li>
<li>If <tt>$(P)$(R)ADSCExTrCtl_RBV</tt> is <tt>Again</tt>, the exposure did not work
<li>Wait for <tt>$(P)$(R)ExSwTrOkToExp</tt> to be <tt>Yes</tt></li>
<li>Set <tt>$(P)$(R)ExSwTrCtl</tt> to <tt>Start</tt> to start the exposure</li>
<li>Set <tt>$(P)$(R)ExSwTrCtl</tt> to <tt>Stop</tt> to stop the exposure</li>
<li>Wait for <tt>$(P)$(R)ExSwTrCtlRsp</tt> to be <tt>OK</tt> or <tt>Again</tt></li>
<li>If <tt>$(P)$(R)ExSwTrCtlRsp</tt> is <tt>Again</tt>, the exposure did not work
and should be tried again</li>
</ol>
<p>
Note that care must be taken when waiting for <tt>$(P)$(R)ADSCExTrCtl_RBV</tt> to
Note that care must be taken when waiting for <tt>$(P)$(R)ExSwTrCtlRsp</tt> to
be <tt>OK</tt> or <tt>Again</tt> to ensure the PV value is not stale (i.e. from
the previous exposure). There are at least two methods to ensure this:
</p>
<ul>
<li>Use a CA monitor on <tt>$(P)$(R)ADSCExTrCtl_RBV</tt>; before waiting for the <tt>
<li>Use a CA monitor on <tt>$(P)$(R)ExSwTrCtlRsp</tt>; before waiting for the <tt>
OK</tt> or <tt>Again</tt> values, wait for the <tt>Stop</tt> value; a CA monitor
is used to receive the value changes since the PV will have the <tt>Stop</tt> value
for just a short time</li>
<li>After starting the exposure, wait for <tt>$(P)$(R)ADSCExTrCtl_RBV</tt> to be <tt>
<li>After starting the exposure, wait for <tt>$(P)$(R)ExSwTrCtlRsp</tt> to be <tt>
Start</tt></li>
</ul>
<h2 id="DarkImages">
@@ -216,20 +216,20 @@
mode.</dd>
</dl>
<h3>
Detector External Trigger</h3>
Detector External Software Trigger</h3>
<dl>
<dt>OK to expose, <tt>$(P)$(R)ADSCOkToExpose</tt></dt>
<dt>OK to expose, <tt>$(P)$(R)ExSwTrOkToExp</tt></dt>
<dd>
When in <tt>External</tt> trigger mode, indicates whether it is OK to start an image
When in <tt>Ext. Software</tt> trigger mode, indicates whether it is OK to start an image
exposure.</dd>
<dt>Start, Stop, <tt>$(P)$(R)ADSCExTrCtl</tt></dt>
<dt>Start, Stop, <tt>$(P)$(R)ExSwTrCtl</tt></dt>
<dd>
When in <tt>External</tt> trigger mode, set to <tt>1</tt> to start an exposure and
<tt>0</tt> to stop it.</dd>
<dt><tt>$(P)$(R)ADSCExTrCtl_RBV</tt></dt>
When in <tt>Ext. Software</tt> trigger mode, set to <tt>1</tt> to start an exposure, and
set to <tt>0</tt> to stop it.</dd>
<dt><tt>$(P)$(R)ExSwTrCtlRsp</tt></dt>
<dd>
When in <tt>External</tt> trigger mode, will be <tt>Start</tt>, <tt>Stop</tt>, <tt>
OK</tt>, or <tt>Again</tt>. See <a href="#TriggerModes">Trigger Modes</a> section
When in <tt>Ext. Software</tt> trigger mode, will be <tt>Start</tt>, <tt>Stop</tt>,
<tt>OK</tt>, or <tt>Again</tt>. See <a href="#TriggerModes">Trigger Modes</a> section
for more about how this property will behave.</dd>
</dl>
<h3>