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<== Date ==> | <== Thread ==> |
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Subject: | Question about stream device |
From: | "최숙" <[email protected]> |
To: | [email protected] |
Date: | Thu, 21 Jul 2016 09:53:54 +0900 |
Dear EPICS colleagues.
I want to handle ISEG high voltage power supplier to usee stream device through USB.
I need kut off the return value including \r\n..
I send a string like "U1\r\n"
It returned a string like "U1\r\n200\r\n"
In this case I want to only 200 value.. but record read only U1... first part of response because of \r\n.
Anyone know about the method of cut off the first part let me the method...
This is a screen of IOC running
2016/07/21 09:02:35.693 /dev/ttyUSB_A70449SI read 15
I1\r\n0.0000E-3\r\n
2016/07/21 09:02:35.892 /dev/ttyUSB_A70449SI write 4
U1\r\n <-- I send this message
2016/07/21 09:02:35.947 /dev/ttyUSB_A70449SI read 7
U1\r\n0\r\n <-- This is return message
2016/07/21 09:02:36.637 /dev/ttyUSB_A70449SI write 4
I1\r\n
2016/07/21 09:02:36.693 /dev/ttyUSB_A70449SI read 15
I1\r\n0.0000E-3\r\n
2016/07/21 09:02:36.892 /dev/ttyUSB_A70449SI write 4
U1\r\n
2016/07/21 09:02:36.947 /dev/ttyUSB_A70449SI read 7
U1\r\n0\r\n
2016/07/21 09:02:37.637 /dev/ttyUSB_A70449SI write 4
I1\r\n
2016/07/21 09:02:37.693 /dev/ttyUSB_A70449SI read 15
I1\r\n0.0000E-3\r\n
Suk Choi
Ph.D / Research Fellow
RI Beam Production Systems Team
Rare Isotope Science Project / Institute for Basic Science
70, Yuseong-daero 1689-gil,Yuseong-gu, Daejeon, Korea, 34047
Tel 042-878-8807 Fax 042-878-8899
E-mail [email protected]