DAQmx_ReadCounterScalar


Reads a sample from a specified counter task.

Syntax

C++
Python
 
def DAQmx_ReadCounterScalar(
	state: DAQmx_ReadCounterScalarState,
	/,
	*,
	inDeviceID: str | None = None,
	inTaskID: int = 0,
	inTimeout: int | None = None
)
-> (
	outValue: float,
	outTaskID: int | None
)

Parameters

Name Type Default Description
Input will be modified ioState DAQmx_ReadCounterScalarState
Input value inDeviceID str | None None Device alias, product name or a serial number
Input value inTaskID int 0 ID of task to read sample from
Input value inTimeout int | None None Time (in milliseconds) to wait for the function to read sample
Output value outValue float Value read from task
Output value outTaskID int | None ID of a created task

Multithreaded environment

This function is not guaranteed to be thread-safe. When used in multithreaded environment, it has to be manually synchronized.