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Dilmi Wickramanayake
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removed function and simplified code
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‎examples/nidaqmx/nidaqmx_analog_output_voltage/nidaqmx_analog_output_voltage_panel.py‎

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"""Streamlit visualization script to display data acquired by nidaqmx_analog_output_voltage.py."""
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import extra_streamlit_components as stx # type: ignore[import-untyped]
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import streamlit as st
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from nidaqmx.constants import Edge
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from streamlit_echarts import st_echarts
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import nipanel
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from nipanel.controls import enum_selectbox
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st.set_page_config(page_title="Voltage - Continuous Output", page_icon="📈", layout="wide")
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st.title("Voltage - Continuous Output")
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panel = nipanel.get_streamlit_panel_accessor()
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left_col, right_col = st.columns(2)
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st.markdown(
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"""
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<style>
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div.stNumberInput {
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max-width: 190px !important;
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}
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div.stTextInput {
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max-width: 190px !important;
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}
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div[data-baseweb="select"] {
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width: 190px !important; /* Adjust the width as needed */
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}
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</style>
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<style>
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iframe[title="streamlit_echarts.st_echarts"]{ height: 400px; width:100%;}
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</style>
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""",
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unsafe_allow_html=True,
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)
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with left_col:
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with st.container(border=True):
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if panel.get_value("is_running", True):
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st.button("Stop", key="stop_button")
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elif not panel.get_value("is_running", True) and panel.get_value("daq_error", "") == "":
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run_button = st.button("Run", key="run_button")
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else:
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st.markdown(
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"""
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<style>
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button[data-testid="stBaseButton-secondary"] {
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display: none;
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}
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</style>
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""",
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unsafe_allow_html=True,
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)
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st.error(
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f"There was an error running the script. Fix the issue and re-run nidaqmx_analog_input_filtering.py \n\n {panel.get_value('daq_error', '')}"
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)
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st.title("Channel Settings")
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physical_channel = st.selectbox(
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options=panel.get_value("available_channel_names", ["Mod2/ai0"]),
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index=0,
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label="Physical Channels",
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disabled=panel.get_value("is_running", False),
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)
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panel.set_value("physical_channel", physical_channel)
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max_value_voltage = st.number_input(
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"Max Value",
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value=5.0,
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step=1.0,
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disabled=panel.get_value("is_running", False),
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key="max_value_voltage",
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)
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min_value_voltage = st.number_input(
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"Min Value",
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value=-5.0,
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step=1.0,
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disabled=panel.get_value("is_running", False),
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key="min_value_voltage",
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)
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st.title("Timing and Buffer Settings")
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source = st.selectbox(
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"Sample Clock Source",
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options=panel.get_value("available_trigger_sources", [""]),
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index=0,
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disabled=panel.get_value("is_running", False),
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)
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panel.set_value("source", source)
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st.number_input(
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"Sample Rate",
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value=1000.0,
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min_value=1.0,
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step=1.0,
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disabled=panel.get_value("is_running", False),
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key="rate",
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)
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st.number_input(
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"Number of Samples",
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value=1000,
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min_value=1,
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step=1,
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disabled=panel.get_value("is_running", False),
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key="total_samples",
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)
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st.number_input(
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"Actual Sample Rate",
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value=panel.get_value("actual_sample_rate", 1000.0),
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key="actual_sample_rate",
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step=1.0,
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disabled=True,
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)
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st.title("Waveform Settings")
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st.number_input(
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"Frequency",
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value=panel.get_value("frequency", 10.0),
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key="frequency",
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step=1.0,
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disabled=panel.get_value("is_running", False),
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)
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st.number_input(
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"Amplitude",
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value=panel.get_value("amplitude", 1.0),
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key="amplitude",
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step=1.0,
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disabled=panel.get_value("is_running", False),
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)
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st.selectbox(
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label="Wave Type",
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options=["Sine Wave", "Triangle Wave", "Square Wave"],
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key="wave_type",
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disabled=panel.get_value("is_running", False),
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)
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with right_col:
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with st.container(border=True):
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st.title("Trigger Settings")
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trigger_type = stx.tab_bar(
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data=[
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stx.TabBarItemData(id=1, title="No Trigger", description=""),
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stx.TabBarItemData(id=2, title="Digital Start", description=""),
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stx.TabBarItemData(id=3, title="Digital Pause", description=""),
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stx.TabBarItemData(id=4, title="Digital Reference", description=""),
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stx.TabBarItemData(id=5, title="Analog Start", description=""),
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stx.TabBarItemData(id=6, title="Analog Pause", description=""),
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stx.TabBarItemData(id=7, title="Analog Reference", description=""),
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],
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default=1,
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)
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panel.set_value("trigger_type", trigger_type)
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if trigger_type == "2":
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with st.container(border=True):
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source = st.selectbox(
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"Source:", options=panel.get_value("available_trigger_sources", [""])
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)
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panel.set_value("digital_source", source)
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enum_selectbox(
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panel,
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label="Edge",
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value=Edge.FALLING,
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disabled=panel.get_value("is_running", False),
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key="edge",
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)
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else:
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with st.container(border=True):
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st.write(
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"This trigger type is not supported in continuous sample timing. Refer to your device documentation for more information on which triggers are supported."
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)
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with st.container(border=True):
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acquired_data = panel.get_value("data", [0.0])
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sample_rate = panel.get_value("sample_rate", 1000.0)
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acquired_data_graph = {
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"animation": False,
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"tooltip": {"trigger": "axis"},
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"legend": {"data": ["Voltage (V)"]},
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"xAxis": {
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"type": "category",
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"data": [x / sample_rate for x in range(len(acquired_data))],
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"name": "Time",
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"nameLocation": "center",
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"nameGap": 40,
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},
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"yAxis": {
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"type": "value",
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"name": "Amplitude",
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"nameRotate": 90,
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"nameLocation": "center",
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"nameGap": 40,
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},
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"series": [
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{
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"name": "voltage_amplitude",
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"type": "line",
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"data": acquired_data,
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"emphasis": {"focus": "series"},
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"smooth": True,
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"seriesLayoutBy": "row",
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},
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],
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}
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st_echarts(options=acquired_data_graph, height="400px", key="graph", width="100%")

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