made an utility function

1 files changed, 16 insertions, 0 deletions

diff --git a/qolab/hardware/scpi.py b/qolab/hardware/scpi.py
index 279ef24..71ab556 100644
--- a/qolab/hardware/scpi.py
+++ b/qolab/hardware/scpi.py
@@ -2,6 +2,22 @@
 provide basic class to operate SCPI capable instruments
 """
 
+import re
+
+def response2numStr(strIn, firstSeparator=None, unit=None):
+    # Often an instrument reply is in the form 'TDIV 2.00E-08S' (for example Siglent Scope)
+    # i.e. "<prefix><firstSeparator><numberString><unit>
+    # prefix='TDIV', firstSeparator=' ', numberString='2.00E-08', unit='S'
+    # this function parses the reply
+    spltStr = re.split(firstSeparator, strIn)
+    prefix = spltStr[0]
+    rstr = spltStr[1]
+    spltStr = re.split(unit, rstr)
+    numberString = spltStr[0]
+    unit = spltStr[1]
+    return (prefix, numberString, unit)
+
+
 class SCPIinstr:
     """ Basic class which support SCPI commands """
     """