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<== Date ==> | <== Thread ==> |
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Subject: | Re: StreamDevice hexa checksum in lowercase characters |
From: | "Paduan Donadio, Marcio" <[email protected]> |
To: | "[email protected]" <[email protected]> |
Date: | Thu, 7 Sep 2017 04:31:20 +0000 |
Thank you, Keenan!
It worked perfectly.
It is ugly, but I put the string in a variable, like this:
low_case = "%#/A/a/%#/B/b/%#/C/c/%#/D/d/%#/E/e/%#/F/f/";
out STX "590000%01<sum>" $low_case;
Best regards,
Márcio.
De: Lang, Keenan C. <[email protected]>
Enviado: quarta-feira, 6 de setembro de 2017 14:48 Para: Paduan Donadio, Marcio; [email protected] Assunto: Re: StreamDevice hexa checksum in lowercase characters If this is running on an operating system that has the PCRE library, you can enable the streams regex converter
http://epics.web.psi.ch/software/streamdevice/doc/setup.html
This will allow you to find and replace substrings before the string gets outputted. Unfortunately, the result looks a bit ugly:
out STX "590000%01<sum>%#/A/a/%#/B/b/%#/C/c/%#/D/d/%#/E/e/%#/F/f/";
From: [email protected] <[email protected]> on behalf of Paduan Donadio, Marcio <[email protected]>
Sent: Wednesday, September 6, 2017 1:14:44 PM To: [email protected] Subject: StreamDevice hexa checksum in lowercase characters I have a TC-720 temperature controller that needs to receive an hexadecimal checksum:
Protocol file: (...)
read_low_alarm1
{
out STX "590000%01<sum>";
in STX "%4x%01<sum>";
}
(...)
The output was: *5900002E\r
The problem is: that final "E" must be "e" lowercase, or the equipment return an error code. How can I make <sum> output a lowercase character?
Thank you,
Márcio Paduan Donadio
Control Systems Engineer
SLAC National Accelerator Laboratory
Advanced Instrumentation for Research Division
2575 Sand Hill Rd
Menlo Park CA 94025
Office (650) 926-5007
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