In this paper a remote data acquisition system for Mössbauer Spectroscopy based on RT-Linux is presented. More precisely, a kernel module is in charge of collecting the data from the data acquisition card which is self-made based on ISA, sharing the data with the normal Linux process through the module of mbuff, carrying out the remote control and returning the results to the client by building a simple… and effectual communication model. It's a good sample to deal with the communication between the real time process and the normal process. This user application can access to this system by the browser, or Java program to implement the real time observation and control.

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