Skip to main content
daq_write_analog_sw_timed.py
"""Example: DAQ write analog SW timed."""

from instro.daq import InstroDAQ
from instro.daq.types import DAQVendor, Direction
from instro.lib.publishers.nominal_core import NominalCorePublisher

# Configuration: Choose your vendor.
VENDOR = DAQVendor.LABJACK_T_SERIES

# Vendor-specific configuration. Each vendor driver lives in its own package and
# owns its transport at construction time.
match VENDOR:
    case DAQVendor.LABJACK_T_SERIES:
        from instro.daq.drivers.labjack import LabJackTSeriesDriver

        CHANNEL_0 = "DAC0"
        CHANNEL_1 = "DAC1"
        driver = LabJackTSeriesDriver(device_id="440020473")  # LabJack serial number
    case DAQVendor.NI:
        from instro.daq.drivers.ni import NIDAQDriver

        CHANNEL_0 = "Dev1/ao0"
        CHANNEL_1 = "Dev1/ao1"
        driver = NIDAQDriver(device_id="Dev1")  # NI device name, as defined in MAX
    case DAQVendor.MCC:
        from instro.daq.drivers.mcc import MCCDriver

        CHANNEL_0 = "0"
        CHANNEL_1 = "1"
        driver = MCCDriver(
            device_id="344371:0"
        )  # MCC DAQ device ID, optionally suffixed with ":<board_number>" (default 0)

# Nominal Core dataset to send data to as the instrument is operated.
DATASET_RID = "<dataset_rid>"  # Replace with your dataset RID.

### Main code

daq = InstroDAQ(name="myDAQ", driver=driver)
daq.add_publisher(NominalCorePublisher(dataset_rid=DATASET_RID))

daq.open()

try:
    daq.configure_analog_channel(
        direction=Direction.OUTPUT, physical_channel=CHANNEL_0, alias=f"ao_0", range_min=0, range_max=5
    )
    daq.configure_analog_channel(
        direction=Direction.OUTPUT, physical_channel=CHANNEL_1, alias=f"ao_1", range_min=0, range_max=5
    )

    daq.write_analog_value("ao_0", 2.2)
    daq.write_analog_value("ao_1", 3.4)

finally:
    print("Closing DAQ")
    daq.close()