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"""
by Rob Behary and Eugeniy Mikhailov 2024/06/17
"""
from qolab.hardware.scope import SDS1104X
from qolab.hardware.basic import BasicInstrument
import re
class SDS2304X(SDS1104X):
""" Siglent SDS2354x scope """
vertDivOnScreen = 8 # unlike SDS1104X, number of divisions matches what is seen on the screen
horizDivOnScreen = 10
def __init__(self, resource, *args, **kwds):
super().__init__(resource, *args, **kwds)
self.config['Device model'] = 'SDS2304X'
self.resource.read_termination='\n'
self.numberOfChannels = 4
self.maxRequiredPoints = 1000; # desired number of points per channel, can return twice more
@BasicInstrument.tsdb_append
def getTimePerDiv(self):
qstr = 'TDIV?'
rstr = self.query(qstr)
# Siglent claims that this model should have same commands as SDS1104X
# however response is different, for example we got '2.00E-08S' instead 'TDIV 2.00E-08S'
# expected reply to query: '2.00E-08S'
spltStr=re.split('S', rstr)
numberString = spltStr[0]
#prefix, numberString, unit = response2numStr(rstr, firstSeparator=None, unit='S')
return(float(numberString))
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