71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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import pyvisa
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import time
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from pyvisa.constants import *
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class AFG3000():
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def __init__(self):
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self.rm = pyvisa.ResourceManager()
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def init(self):
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#importlib.reload(sys)
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res = self.rm.list_resources()
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return res;
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# self.mydev = self.rm.open_resource(res[0])
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# print(mydev.query("*OPT?"))
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def SetAmpl(self, ampl):
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#self.mydev.write("VOLTAGE:AMPLITUDE {0}".format(ampl)) #AFG3000
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self.mydev.write(":SOUR1:VOLT {0}".format(ampl))
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#self.mydev.write("*SAV 1")
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#self.mydev.write("*RCL 1")
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def SetFrequency(self, Fre):
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#self.mydev.write("FREQUENCY {0}".format(Fre)) #AFG3000
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#self.mydev.write("*SAV 1") #AFG3000
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self.mydev.write(":SOUR1:FREQ {0}".format(Fre)) # DG1002
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#self.mydev.write("*RCL 1")
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def Open(self):
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#return self.mydev.write("OUTPut1:STATe ON") #AFG3000
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return self.mydev.write(":OUTP1 ON")
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def Connect(self,dev):
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self.mydev = self.rm.open_resource(dev)
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def ConnectMultimeter(self,dev):
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self.multimeterdev = self.rm.open_resource(dev)
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self.multimeterdev.timeout = 10000
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def SetAC(self):
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#self.multimeterdev.write("CONF:VOLT:AC") # DG1002
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self.multimeterdev.write("*CLS")
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time.sleep(1)
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res = self.multimeterdev.query("MEAS:VOLT:AC? 1,2.0e-5") # DG1002
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#print(float(res))
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def measure(self):
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#print('==========measure=========')
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time.sleep(1)
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res = self.multimeterdev.query("MEAS:VOLT:AC? 1,2.0e-5")
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res = float(res)*1000
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#print(res)
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return float(res)
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def Close(self):
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#self.mydev.write("OUTPut1:STATe OFF") #AFG3000
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self.mydev.write(":OUTP1 OFF") # DG1002
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def query(self, Param):
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res = self.mydev.query(str(Param))
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res = float(res)
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return res
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