Added Agilent 33600A Waveform Generator

Contains routines for WR 10MHz 1PPS setup and software triggered reset_n

Added Agilent 33600A Waveform Generator
Contains routines for WR 10MHz 1PPS setup and software triggered reset_n
18a5a2dc · Peter Jansweijer · c37d0e7b · 18a5a2dc
Commit 18a5a2dc authored Mar 16, 2023 by Peter Jansweijer
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Agilent_33600A.py sw/lib/Agilent_33600A.py +168 -0

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--- a/sw/lib/Agilent_33600A.py
+++ b/sw/lib/Agilent_33600A.py
+#!/usr/bin/python
+
+"""
+Agilent Waveform Generator 33600A remote control
+
+-------------------------------------------------------------------------------
+Copyright (C) 2023 Peter Jansweijer, 'stolen' from Tjeerd Pinkert and freely
+    adjusted
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+-------------------------------------------------------------------------------
+
+Usage:
+  Keysight_33600A.py <IP#>
+  Keysight_33600A.py -h | --help
+
+  IP          IP number of the Waveform Generator
+              (for example: 192.168.32.242 which is its DevNet IP number)
+
+Options:
+  -h --help   Show this screen.
+ 
+"""
+
+import os
+import sys
+import time
+import scipy
+import struct
+import datetime
+import pdb
+
+#TJP: installed from web python-vxi Alex
+import vxi11
+
+import matplotlib.pyplot as plt
+
+############################################################################
+
+
+############################################################################
+def wfg_wr_grandmaster(wfg):
+
+  """
+  Initialize the Wafeorm Generator for 10 MHz, 1 PPS White Rabbit Grand Master source
+
+  wfg      -- instance of python-vxi connected to the Waveform Generator
+  """
+
+  wfg =  vxi11.Instrument(args.wfg)    
+  #wfg =  vxi11.Instrument("192.168.32.234")
+  print(wfg.ask("*IDN?"))
+  print("WR Grand Master source: Ch1 = 10MHz, Ch2 = 1-PPS")
+  # Returns 'Agilent Technologies,33622A,MY53800427,A.01.10-2.25-03-64-02'
+
+  # Configure Channel 1 square 0V, 2V, 10MHz
+  # Amplitude: 2V, Offset 1V
+  #pdb.set_trace()
+  
+  wfg.write("SOURce1:FUNCtion SQU")
+  wfg.write("SOURce1:FREQuency 10 MHZ")
+  wfg.write("SOURce1:VOLTage +2.0")
+  wfg.write("SOURce1:VOLTage:OFFSet +1.0")
+  wfg.write("SOURce1:VOLTage:LIMit:LOW +0.0")
+  wfg.write("SOURce1:VOLTage:LIMit:HIGH +2.0")
+  wfg.write("SOURce1:VOLTage:LIMit:STATe ON")
+  wfg.write("OUTPut1 ON")
+
+  # Configure Channel 2 square 0V, 2V, 1 Hz
+  # Amplitude: 2V, Offset 1V
+  wfg.write("SOURce2:FUNCtion PULS")
+  wfg.write("SOURce2:PULSe:PERiod 1 s")
+  wfg.write("SOURce2:PULSe:WIDTh 100 ms")
+  wfg.write("SOURce2:VOLTage +2.0")
+  wfg.write("SOURce2:VOLTage:OFFSet +1.0")
+  wfg.write("SOURce2:VOLTage:LIMit:LOW +0.0")
+  wfg.write("SOURce2:VOLTage:LIMit:HIGH +2.0")
+  wfg.write("SOURce2:VOLTage:LIMit:STATe ON")
+  wfg.write("OUTPut2 ON")
+
+  return
+
+############################################################################
+def wfg_trigger_reset(wfg):
+
+  """
+  Initialize the Wafeorm Generator for triggering a reset by driving Channel
+  1 from 1.5 volt to 0 volt for 100 ms.
+  Note: Calling this function to prepare for a trigger via wfg.write("*TRG")
+  already generates a spurrious pulse...
+
+  wfg      -- instance of python-vxi connected to the Waveform Generator
+  """
+
+  wfg =  vxi11.Instrument(args.wfg)    
+  #wfg =  vxi11.Instrument("192.168.32.234")
+  print(wfg.ask("*IDN?"))
+  print("Reset triggered. Ch 1 pulled low for 100 ms")
+  # Returns 'Agilent Technologies,33622A,MY53800427,A.01.10-2.25-03-64-02'
+
+  # Configure Channel 1 square 0V, 1V5, 100 ms low
+  # 1 MOhm => Amplitude: 1V5 / 2, Offset 0V75 / 2
+  
+  wfg.write("SOURce1:FUNCtion PULS")
+  wfg.write("SOURce1:PULSe:PERiod 1 S")
+  wfg.write("SOURce1:PULSe:WIDTh 100 ms")
+  wfg.write("SOURce1:VOLTage +0.75")
+  wfg.write("SOURce1:VOLTage:OFFSet +0.375")
+  wfg.write("SOURce1:VOLTage:LIMit:LOW +0.0")
+  wfg.write("SOURce1:VOLTage:LIMit:HIGH +2.0")
+  wfg.write("SOURce1:VOLTage:LIMit:STATe ON")
+  wfg.write("TRIGger1:SOURce BUS")
+  wfg.write("SOURce1:BURST:NCYCles 1")
+  wfg.write("SOURce1:BURST:STATe ON")
+  wfg.write("OUTPut1:POLarity INVerted")
+  wfg.write("OUTPut1 ON")
+  #wfg.write("*TRG")
+  #pdb.set_trace()
+
+  # Configure Channel 2 square 0V, 2V, 1 Hz
+  # Amplitude: 2V, Offset 1V
+  wfg.write("OUTPut2 OFF")
+
+  return
+
+############################################################################
+##
+## If run from commandline, we can test the library
+##
+"""
+Usage:
+  Keysight_33600A.py <IP#>
+  Keysight_33600A.py -h | --help
+
+  IP          IP number of the Waveform Generator
+              (for example: 192.168.32.234 which is its DevNet IP number)
+
+Options:
+  -h --help   Show this screen.
+
+"""
+if __name__ == "__main__":
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument("wfg", help="IP-Number of the Waveform Generator")
+    args = parser.parse_args()
+    print ("Use Waveform Generator IP address: " + str(args.wfg))
+
+    wfg =  vxi11.Instrument(args.wfg)    
+    #wfg_wr_grandmaster(wfg)
+    wfg_trigger_reset(wfg)
+    pdb.set_trace()
+    wfg.write("*TRG")
+    
+
+
+    sys.exit()