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Subject: Re: read status nin "" 0 error with
From: Eric Norum <[email protected]>
To: Mark Rivers <[email protected]>
Cc: Ana Malagon <[email protected]>, EPICS mailing list <[email protected]>
Date: Wed, 10 Dec 2014 12:45:22 -0800
Thanks.
Using the ‘flags’ argument to the configure command to turn on the low-level TCP traffic messages will show even the commands directed at the Prologix device itself too.

On Dec 10, 2014, at 12:42 PM, Mark Rivers <[email protected]> wrote:

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> I’m at a loss then.  I have no idea why enabling ASYN diagnostic messages is having no effect.
 
I know why it is happening.  Ana is doing this before iocInit.
asynSetTraceMask("L0", -1, 0xFF)
The problem is that using the address of -1 on asynSetTraceMask set the trace mask of all device address that are currently connected to that asyn port.  However, at that point the GPIB device at address 19 has not yet been connected, so its asynTraceMask does not get set.
The solution is to move that line to after iocInit.  You won’t see any trace information that should happen as part of iocInit, but you will see everything after that command is issued.
We might want to change the way asynSetTraceMask($(PORT), -1, MASK) works to avoid this confusion.  Someone else ran into this a couple of weeks ago.
Mark
 
 
 

-- 
Eric Norum
[email protected]


References:
read status nin "" 0 error with Ana Malagon
Re: read status nin "" 0 error with Eric Norum
Re: read status nin "" 0 error with Ana Malagon
Re: read status nin "" 0 error with Eric Norum
RE: read status nin "" 0 error with Mark Rivers

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