Add examples to demonstrate TDMS logging and data plotting

Author: WayneDroid

examples/analog_in/voltage_acq_int_clk_plot_data.py

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+"""Example of generating visualizations for acquired data.
+
+This example demonstrates how to plot the acquired data.
+"""
+
+import matplotlib.pyplot as plt
+
+import nidaqmx
+from nidaqmx.constants import READ_ALL_AVAILABLE, AcquisitionType
+
+with nidaqmx.Task() as task:
+    task.ai_channels.add_ai_voltage_chan("Dev1/ai0")
+    task.timing.cfg_samp_clk_timing(1000.0, sample_mode=AcquisitionType.FINITE, samps_per_chan=50)
+
+    data = task.read(READ_ALL_AVAILABLE)
+
+    plt.plot(data)
+    plt.ylabel("Amplitude")
+    plt.title("Waveform")
+    plt.show()

examples/analog_in/voltage_acq_int_clk_tdms_logging.py

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+"""Example of logging acquired data to TDMS file and read back.
+
+This example demonstrates how to log the acquired data to a TDMS file
+and then read the data from the file.
+"""
+
+import os
+
+from nptdms import TdmsFile
+
+import nidaqmx
+from nidaqmx.constants import (
+    READ_ALL_AVAILABLE,
+    AcquisitionType,
+    LoggingMode,
+    LoggingOperation,
+)
+
+with nidaqmx.Task() as task:
+    task.ai_channels.add_ai_voltage_chan("Dev1/ai0")
+    task.timing.cfg_samp_clk_timing(1000.0, sample_mode=AcquisitionType.FINITE, samps_per_chan=10)
+    task._in_stream.configure_logging(
+        "TestData.tdms", LoggingMode.LOG_AND_READ, operation=LoggingOperation.CREATE_OR_REPLACE
+    )
+
+    task.read(READ_ALL_AVAILABLE)
+
+with TdmsFile.open("TestData.tdms") as tdms_file:
+    for group in tdms_file.groups():
+        for channel in group.channels():
+            data = channel[:]
+            print("Read data from TDMS file: [" + ", ".join(f"{value:f}" for value in data) + "]")
+
+if os.path.exists("TestData.tdms"):
+    os.remove("TestData.tdms")
+
+if os.path.exists("TestData.tdms_index"):
+    os.remove("TestData.tdms_index")