DeviceRead

DeviceRead[devobj]

reads a single default item from the open device corresponding to the specified DeviceObject.

DeviceRead["devclass"]

reads from the default device in the class "devclass".

DeviceRead[device,param]

reads the parameter param from the specified device.

DeviceRead[device,{param1,param2,}]

reads the list of parameters parami from the specified device.

Details

  • DeviceRead is a blocking function; when called, it communicates with the device and does not return until it has the data it needs.

Examples

open allclose all

Basic Examples  (2)

Open a demo device and read from it:

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Read a particular parameter:

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Read a parameter from a device of the "RandomSignalDemo" class:

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Read a list of parameters:

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Applications  (3)

See Also

DeviceReadList  DeviceReadLatest  DeviceReadBuffer  DeviceReadTimeSeries  DeviceStreams  DeviceExecute  DeviceExecuteAsynchronous

Tutorials

Introduced in 2014
(10.0)