Parameterizing an I/O interface for substantially writing unlimi

Details Parameterizing an I/O interface for substantially writing unlimi Parameterizing an I/O interface for substantially writing unlimi

1998-02-05

2000-11-07

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

711113, 712 1, 345115, G06F 1314

Patent

active

06145026&

ABSTRACT:
In a method and apparatus for data acquisition, parameterization of an interface is undertaken such that a substantially unlimited data stream is written into a buffer memory via an I/O interface, and such that at least one block of the data written into the buffer memory is written directly into a main memory of a processing computer via a DMA interface. The DMA quantity of the at least one data block written directly into the main memory is determined dependent on the data stream incoming at the I/O interface. As a result, both a continuous data stream with high data rate, as well as a small dataset of predetermined size, within a measurement can be read into the processing computer, respectively in real time.

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