NIDAQDriver

class NIDAQDriver(device_id: str)

Bases: DAQDriverBase

NI-DAQmx DAQ driver.

Attributes

ai_channels	Frozen snapshot of configured AI channels, keyed by alias.
ai_hw_timing_config
ao_channels	Frozen snapshot of configured AO channels, keyed by alias.
ao_hw_timing_config
channels	Frozen snapshot of all configured AI/AO/DI/DO channels (excludes relays).
di_channels	Frozen snapshot of configured DI channels, keyed by alias.
di_hw_timing_config
do_channels	Frozen snapshot of configured DO channels, keyed by alias.
do_hw_timing_config
relay_channels	Frozen snapshot of configured relay channels, keyed by alias.
points_in_buffer

Methods

close	Close every DAQmx task this driver owns.
close_relay	Close the relay (connect the circuit).
configure_ai_channel	Deprecated: use configure_ai_voltage_channel.
configure_ai_current_channel	Configure an analog current input channel on the NI device.
configure_ai_hw_timing	Configure hardware timing for the specified channels.
configure_ai_thermocouple_channel	Configure a thermocouple input channel on the NI device; DAQmx reads cjc_temp in unit.
configure_ai_voltage_channel	Configure an analog voltage input channel on the NI device.
configure_ao_channel	Deprecated: use configure_ao_voltage_channel.
configure_ao_current_channel	Configure an analog current output channel on the NI device.
configure_ao_voltage_channel	Configure an analog voltage output channel on the NI device.
configure_di_line_channel	Parse DevN/portM/lineP, add as CHAN_PER_LINE to the shared DI line task, and register the line.
configure_di_port_channel	Parse DevN/portM, add as CHAN_FOR_ALL_LINES to a dedicated DI task, and register the port.
configure_do_line_channel	Parse DevN/portM/lineP, add as CHAN_PER_LINE to the shared DO line task, and register the line.
configure_do_port_channel	Parse DevN/portM, add as CHAN_FOR_ALL_LINES to a dedicated DO task, and register the port.
define_relay_channel	Build a RelayChannel for physical_channel (e.g. "3101" = slot 3 / channel 101).
fetch_analog	Block until samples_per_channel new AI samples are available, then return them.
get_actual_sample_rate	Actual hardware sample rate achieved after start().
open	NI-DAQmx has no explicit connect — verifies the device is present in niSystem.local().
open_relay	Open the relay (disconnect the circuit).
read_analog	Read from analog input channels.
read_digital_line	Sample a single DI line.
read_digital_port	Sample a DI port as one N-bit integer; bit i reflects line i.
start	Start the DAQ device for data acquisition.
stop	Stop the DAQ device.
write_analog_value	Write value to AO channel.
write_digital_line	Write to digital output channels.
write_digital_port	Drive a DO port as one N-bit integer; bit i controls line i.