Experimental Physics and
Industrial Control System

Mark Rivers via Tech-talk <tech-talk at aps.anl.gov> · Wed, 11 Aug 2021 20:48:43 +0000

Hi Ru,

Thanks for pointing this out.  Could I ask you to please create a Github issue here: https://github.com/epics-modules/mca/issues

Thanks
Mark

-----Original Message-----
From: Ru Igarashi <Ru.Igarashi at lightsource.ca> 
Sent: Wednesday, August 11, 2021 3:46 PM
To: tech-talk at aps.anl.gov
Cc: Mark Rivers <rivers at cars.uchicago.edu>
Subject: MCA module's Amptek USB driver fails to connect

Hello,
This is mostly directed at Mark Rivers but might be of some use to someone in the same situation as me.

I tried to use the synApps mca module R7-9 to control some Amptek
PX5 SDD readout electronics over USB (Amptek docs say the ethernet is 10-baseT... haven't had time to test transfer rates to see if this is still true).  I couldn't get the driver to connect, then traced the problem to the function "drvAmptek::connectDevice()" failing on a "hostToIPAddr()" call that fails because a valid IP address was not given (actually is left blank for USB devices).  I got around it by checking if "addressInfo_" is empty, and that got the app working so that I could to some test data acquisition.  But it now occurs to me that the entire chunk of code prior to checking "directMode_"
should be in the "if( interfaceType == DppInterfaceEthernet)" block. 
I haven't tested this yet, but it seems more appropriate.

ru

---
Ru Igarashi
e-mail: ru.igarashi at usask.ca   
phone: 1 306 657 3751    
address:      
Canadian Light Source
44 Innovation Boulevard
S7N 2V3   Canada

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System