draft of Siglent sds800xhd scope

1 files changed, 69 insertions, 0 deletions

diff --git a/qolab/hardware/scope/sds800xhd.py b/qolab/hardware/scope/sds800xhd.py
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+++ b/qolab/hardware/scope/sds800xhd.py
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+"""
+Created by Eugeniy E. Mikhailov 2021/11/29
+"""
+
+from qolab.hardware.scope.sds1104x import SDS1104X
+from qolab.hardware.scope._basic import calcSparsingAndNumPoints
+from qolab.hardware.basic import BasicInstrument
+from qolab.hardware.scpi import response2numStr
+from qolab.data.trace import Trace
+import numpy as np
+import scipy.signal
+from pyvisa.constants import InterfaceType
+
+
+class SDS800XHD(SDS1104X):
+    """Siglent SDS800XHD scope"""
+
+    # SDS1104x has actually 8 divisions but its behave like it has 10,
+    # the grabbed trace has more points outside what is visible on the screen
+    vertDivOnScreen = 8
+    horizDivOnScreen = 10
+
+    def __init__(self, resource, *args, **kwds):
+        super().__init__(resource, *args, **kwds)
+        self.config["Device model"] = "SDS800XHD"
+        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)
+        # Careful! TDIV? is undocumented for SDS800XHD scope,
+        # the prescribe command is ":TIMebase:SCALe?".
+        # But "TDIV?"  works identical to SDS2304, i.e.
+        # 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'
+        prefix, numberString, unit = response2numStr(
+            rstr, firstSeparator=None, unit="S"
+        )
+        return float(numberString)
+
+
+if __name__ == "__main__":
+    import pyvisa
+
+    print("testing")
+    rm = pyvisa.ResourceManager()
+    print(rm.list_resources())
+    # instr = rm.open_resource("TCPIP::192.168.0.62::INSTR")
+    instr = rm.open_resource("USB0::62700::4119::SDS08A0X806445::0::INSTR")
+    scope = SDS800XHD(instr)
+    print(f"ID: {scope.idn}")
+    # print(f'Ch1 mean: {scope.mean(1)}')
+    print(f"Ch1 available points: {scope.getAvailableNumberOfPoints(1)}")
+    print(f"Sample Rate: {scope.getSampleRate()}")
+    print(f"Time per Div: {scope.getTimePerDiv()}")
+    print(f"Ch1 Volts per Div: {scope.getChanVoltsPerDiv(1)}")
+    print(f"Ch1 Voltage Offset: {scope.getChanVoltageOffset(1)}")
+    print("------ Header start -------------")
+    print(str.join("\n", scope.getHeader()))
+    print("------ Header ends  -------------")
+    # ch1 = scope.getTrace(1)
+    # traces = scope.getAllTraces()